Patent fuel and similar solid fuels manufactured from hard coal
- Lifecycle status
- Candidate
- Content maturity
- Authored methodology
- Current version
- No published versionLast updated
- Readiness
- Review required
Methodology and translation states come from the source record; publishing this website does not change their review status.
Content languages
Status, classification and source details
Readiness
- Warnings methodology_not_reviewed Authored methodology is candidate guidance and still requires methodology review.
Classification mapping
Source
1. Scope and Applicability
This PCR covers foreground data packages for patent fuel and similar solid fuels manufactured by formulation and shaping of hard-coal fines. Patent fuel means binder-agglomerated hard-coal fuel, not a legal patent claim. Brown-coal and peat briquettes, wood charcoal, coke and semi-coke have distinct boundaries. Coal rank, binder, moisture, forming and curing route materially affect collection requirements; brown-coal or charcoal energy intensities cannot be transferred without evidence. unsd-cpc-3-structure-2025; unsd-energy-questionnaire-2024.
2. Product Category Identity
| Field | Value |
|---|---|
| canonical_pcr_id | pcr.ores-and-minerals-electricity-gas-and-water.coal-and-peat.patent-fuel-and-similar-solid-fuels-manufactured-from-hard-coal |
| classification_refs | CPC 3.0:11020 |
| covered_products | Patent fuel and similar shaped hard-coal solid fuels; bituminous and anthracite formulations |
| excluded_products | Unshaped raw coal; brown-coal or peat briquettes; wood charcoal; coke and semi-coke; standard-coal equivalents |
| representative_product | Accepted hard-coal briquette fuel at factory gate |
| production_route | Feed receipt and size preparation; binder preparation and mixing; pressure forming; drying or curing when needed; screening and internal recycle; storage and dispatch packaging |
| market_state | Solid shaped fuel, as-produced moisture, bulk or declared packaging state |
3. Reference Flow
| Field | Value |
|---|---|
| What | Provide combustible manufactured hard-coal fuel accepted at the factory gate |
| How much | 1 kg reference flow |
| How well | Declare coal rank, formulation, moisture, ash, sulfur and as-produced net calorific value; accepted to the declared sales specification |
| How long or cycle | One factory-gate production delivery; subsequent combustion heat service is outside the declaration |
| reference_flow_link | finished_fuel |
| Field | Value |
|---|---|
| Reference amount | 1 |
| Reference product flow | Hard-coal briquette fuel |
| Reference flow property | Mass 93a60a56-a3c8-11da-a746-0800200b9a66 |
| Reference unit group | Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66 |
| Reference unit | kg |
| Required qualifiers | Coal rank; hard-coal origin; individual binder/additive masses; curing route; moisture; net calorific value and basis; ash and sulfur; size and strength specification; packaging; site and year |
Record every qualifier in the data package. Net reference product mass includes product moisture and binder, excludes packaging, and must not be replaced by standard-coal equivalent.
4. Measurement and Unit Rules
| rule_id | Applies to | Required property | Required unit | Rule |
|---|---|---|---|---|
| reference_mass | reference product | Mass | kg | Weigh net fuel mass as produced; every inventory row uses the same denominator per 1 kg reference flow. Use cp_output. |
| moisture_basis | coal feed and finished fuel | Mass | kg | Record wet-basis moisture separately. Dry mass equals wet mass multiplied by one minus the wet-basis moisture fraction; retain original wet mass. |
| carrier_units | electricity_input; dryer_gas; steam_input | Energy; Volume; Mass | MJ; m3; kg | Convert electricity using 1 kWh = 3.6 MJ. Declare natural-gas meter temperature and pressure. Record steam mass; do not treat it directly as delivered heat energy. |
5. System Boundary
Boundary Abstraction
| Field | Value |
|---|---|
| declared_starting_condition | Received hard-coal feed of declared rank, moisture and particle size plus separately supplied binders |
| starting_condition_role | Foreground modelling entry, not an upstream burden exclusion |
| product_classification_scope | Patent fuel and similar hard-coal manufactured solid fuels; CPC 3.0:11020 |
| recursive_input_rule | Record externally purchased same-category recycled briquettes as a separate supplier input linked to upstream data. Internal fines and broken-briquette recycle is a loop, not a new external input, output or credit. |
| upstream_dataset_requirement | Link applicable upstream datasets for coal extraction, beneficiation and delivery to site, binder, packaging and utilities; disclose missing coverage. |
| disclosure | Feed origin; received state; recycle flows; route and pollution control; upstream links; gate boundary and exceptions |
| rule_id | applies_to | rule | source_ids |
|---|---|---|---|
| boundary_manufacture | manufacture | Include actual feed preparation, mixing, forming, conditioning, internal handling, losses and pollution control from receipt through the product gate. Drying and binder requirements depend on coal characteristics; do not assume a universal route. | epa-coal-conversion-1979 |
| boundary_upstream | foreground data package | Represent upstream supplies with linked datasets; received feed is not burden-free. Document delivery links. Post-gate distribution, combustion and packaging disposal belong to separately declared downstream scenarios. | |
| boundary_inventory | manufacture | Record all actual external exchanges within the declared collection boundary. For other binders, fuels or packaging actually used, add specific atomic rows and collection records; never use category rows or assumed zeros. Capital-equipment construction is outside this operating package and must be disclosed. |
6. Process Inventory Structure
Process Map
| process_id | process_name | inclusion | inclusion_condition | role | quantitative_reference |
|---|---|---|---|---|---|
| manufacture | Manufactured hard-coal fuel production | required | All covered products | foreground_production | 1 kg reference flow |
Receipt, mixing, forming, conditioning, screening and packaging form one integrated foreground process with a common gate-output denominator; retain unit-operation measurements when available. The EPA report supports process identification only, not a current industry consumption range. Card inclusion conditions determine applicability; absence requires evidence.
Process: Manufactured hard-coal fuel production (manufacture)
Inputs
Product flows
Bituminous hard-coal feed (bituminous_feed)
When bituminous hard coal is used; supplier rank and fines size must be declared.
-
Selected flow: hard coal
a2bec48b-8347-4582-8cca-fa9d09ce0ac1 -
Flow property / unit: Mass / kg
-
Amount rule: Collect the measured exchange per 1 kg reference flow using cp_material; retain campaign totals and net output weighing records.
-
Value mode: Foreground record (
foreground_record) -
Specificity: Site-specific (
site_specific) -
Normalization basis: per 1 kg reference flow
-
Basis kind: Reference flow (
reference_flow) -
Evidence kind: Collected record (
collected_record) -
Collection protocol:
cp_material -
Inclusion condition: When bituminous hard coal is used; supplier rank and fines size must be declared.
-
Sources:
epa-coal-conversion-1979
Anthracite feed (anthracite_feed)
When anthracite is used, including blends with bituminous coal; do not duplicate the same feed mass.
-
Selected flow: hard coal, anthracite
9ff1d63b-2eab-4f82-969a-71dd1474f0f1 -
Flow property / unit: Mass / kg
-
Amount rule: Collect the measured exchange per 1 kg reference flow using cp_material; retain campaign totals and net output weighing records.
-
Value mode: Foreground record (
foreground_record) -
Specificity: Site-specific (
site_specific) -
Normalization basis: per 1 kg reference flow
-
Basis kind: Reference flow (
reference_flow) -
Evidence kind: Collected record (
collected_record) -
Collection protocol:
cp_material -
Inclusion condition: When anthracite is used, including blends with bituminous coal; do not duplicate the same feed mass.
-
Sources:
epa-coal-conversion-1979
Coal-tar pitch binder (pitch_binder)
When coal-tar pitch is added as binder; not petroleum asphalt.
-
Selected flow: Coal-tar pitch
-
Flow property / unit: Mass / kg
-
Amount rule: Collect the measured exchange per 1 kg reference flow using cp_material; retain campaign totals and net output weighing records.
-
Value mode: Foreground record (
foreground_record) -
Specificity: Site-specific (
site_specific) -
Normalization basis: per 1 kg reference flow
-
Basis kind: Reference flow (
reference_flow) -
Evidence kind: Collected record (
collected_record) -
Collection protocol:
cp_material -
Inclusion condition: When coal-tar pitch is added as binder; not petroleum asphalt.
-
Sources:
epa-coal-conversion-1979
Starch binder solids (starch_binder)
When neat starch is used as binder; record any water separately.
-
Selected flow: Starch
e5842f16-31b3-4ea4-b16a-f7b06beeb6c3 -
Flow property / unit: Mass / kg
-
Amount rule: Collect the measured exchange per 1 kg reference flow using cp_material; retain campaign totals and net output weighing records.
-
Value mode: Foreground record (
foreground_record) -
Specificity: Site-specific (
site_specific) -
Normalization basis: per 1 kg reference flow
-
Basis kind: Reference flow (
reference_flow) -
Evidence kind: Collected record (
collected_record) -
Collection protocol:
cp_material -
Inclusion condition: When neat starch is used as binder; record any water separately.
-
Sources:
epa-coal-conversion-1979
Purchased tap water (mixing_water)
When tap water crosses the site boundary for mixing, cleaning or dust suppression; internal recirculation is not a new input.
- Selected flow: Tap water
d1e0e36c-07f0-4a75-bdcb-efb5d9e2ac36 - Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_material; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_material - Inclusion condition: When tap water crosses the site boundary for mixing, cleaning or dust suppression; internal recirculation is not a new input.
Manufacturing electricity (electricity_input)
Include metered electricity for size preparation, mixing, pressing, conditioning, handling and pollution control.
- Selected flow: Alternating current
0e0b235d-9043-11d3-b2c8-0080c8941b49 - Flow property / unit: Energy / MJ
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_energy; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_energy - Inclusion condition: Include metered electricity for size preparation, mixing, pressing, conditioning, handling and pollution control.
Purchased steam (steam_input)
When industrial steam is purchased for binder heating or drying; declare steam conditions and condensate return.
- Selected flow: Industrial steam
ea4e839d-d854-4a7a-a362-b4ccb8dc61ff - Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_energy; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_energy - Inclusion condition: When industrial steam is purchased for binder heating or drying; declare steam conditions and condensate return.
Natural gas for on-site heating (dryer_gas)
When natural gas is burned on site; separate it from coal incorporated into the finished fuel.
- Selected flow: Pipeline-quality natural gas
7766e51e-0b64-4fbb-89cb-489c33293137 - Flow property / unit: Volume / m3
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_energy; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_energy - Inclusion condition: When natural gas is burned on site; separate it from coal incorporated into the finished fuel.
Polyethylene film packaging (pe_film)
When polyethylene film is used for dispatch packaging; exclude packaging from the reference product mass.
- Selected flow: Polyethylene film
- Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_material; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_material - Inclusion condition: When polyethylene film is used for dispatch packaging; exclude packaging from the reference product mass.
Outputs
Product flows
Saleable hard-coal manufactured fuel (finished_fuel)
Always include accepted net fuel output at the factory gate; retain as-produced moisture.
- Selected flow: Hard-coal briquette fuel
- Flow property / unit: Mass / kg
- Amount rule: 1 kg
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_output - Inclusion condition: Always include accepted net fuel output at the factory gate; retain as-produced moisture.
Waste flows
Collected coal dust sent for disposal (coal_dust_disposal)
When collected coal dust leaves the site as waste; internally recycled fines are not an external waste output.
- Selected flow: Collected coal dust for disposal
- Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_waste; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_waste - Inclusion condition: When collected coal dust leaves the site as waste; internally recycled fines are not an external waste output.
Briquetting process wastewater sent for treatment (process_wastewater)
When a distinct process wastewater stream is transferred to treatment; record its composition and treatment destination.
- Selected flow: Coal-briquetting process wastewater
- Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_waste; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_waste - Inclusion condition: When a distinct process wastewater stream is transferred to treatment; record its composition and treatment destination.
Elementary flows
Fossil carbon dioxide to air (fossil_co2)
When fossil fuel is burned within the manufacturing boundary; exclude later combustion of the saleable product.
- Selected flow: carbon dioxide (fossil)
08a91e70-3ddc-11dd-923d-0050c2490048 - Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_air; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_air - Inclusion condition: When fossil fuel is burned within the manufacturing boundary; exclude later combustion of the saleable product.
Fossil carbon monoxide to air (fossil_co)
When on-site fossil combustion emits carbon monoxide to outdoor air.
- Selected flow: carbon monoxide (fossil)
08a91e70-3ddc-11dd-924e-0050c2490048 - Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_air; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_air - Inclusion condition: When on-site fossil combustion emits carbon monoxide to outdoor air.
Nitrogen dioxide to air (nitrogen_dioxide)
When nitrogen dioxide is emitted to outdoor air; a NOx-as-NO2 total is not a measured NO2 species amount.
- Selected flow: Nitrogen dioxide to air
- Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_air; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_air - Inclusion condition: When nitrogen dioxide is emitted to outdoor air; a NOx-as-NO2 total is not a measured NO2 species amount.
Sulfur dioxide to air (sulfur_dioxide)
When sulfur dioxide is emitted to outdoor air from on-site heating or conditioning.
- Selected flow: Sulfur dioxide to air
- Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_air; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_air - Inclusion condition: When sulfur dioxide is emitted to outdoor air from on-site heating or conditioning.
Total particulate dust to air (particulate_air)
When stack or fugitive particulate dust is emitted; report total particulate without pretending a PM10 size cut.
- Selected flow: Particulate matter, particle size unspecified
0ce3dedb-caca-407b-a856-a90470eb8ec0 - Flow property / unit: Mass / kg
- Amount rule: Collect the measured exchange per 1 kg reference flow using cp_air; retain campaign totals and net output weighing records.
- Value mode: Foreground record (
foreground_record) - Specificity: Site-specific (
site_specific) - Normalization basis: per 1 kg reference flow
- Basis kind: Reference flow (
reference_flow) - Evidence kind: Collected record (
collected_record) - Collection protocol:
cp_air - Inclusion condition: When stack or fugitive particulate dust is emitted; report total particulate without pretending a PM10 size cut.
7. Allocation and Co-product Handling
| rule_id | applies_to | rule | source_ids |
|---|---|---|---|
| allocation_subdivide | manufacture | Separate formulations using distinct campaigns, unit-operation measurements and operating time. Partition shared electricity with measured operating time and power; disclose and test alternatives when causality is not demonstrated. | |
| allocation_grade | saleable_outputs | For multiple grades of the same fuel from one indivisible campaign, partition joint operating burdens by actual net saleable mass; disclose calorific differences and energy-allocation sensitivity. | |
| allocation_recycle | internal_fines | Internal fines receive no avoided-burden credit; their rehandling and repressing energy remains included. Link waste treatment; declare product or waste status for any sold by-product and prevent duplicate credits. |
8. Foreground Data Collection, Calculation, and Quality Rules
Data Collection Protocols
| protocol_id | process_id | flow_role | record_type | raw_fields | collection_method | unit | frequency | temporal_coverage | site_scope | aggregation_rule | quality_evidence |
|---|---|---|---|---|---|---|---|---|---|---|---|
| cp_output | manufacture | finished_fuel | weighing | campaign; net finished mass; tare; moisture; ash; sulfur; NCV; acceptance | Weigh accepted fuel on calibrated scales excluding packaging; test representative same-campaign samples and record methods | kg | batch and shift | declared complete campaign including downtime and start-up | same plant and formulation | per 1 kg reference flow | calibration; weigh tickets; assay and acceptance records |
| cp_material | manufacture | material_inputs | weighing | individual flow; supplier; receipts and stock; dosing; moisture; recipe; packaging mass | Reconcile each material using weighing, dosing and opening/closing stock; volume-to-mass conversion requires measured density; divide campaign totals by same-period cp_output net finished mass to obtain the per-kg intensity. | kg | batch and campaign boundaries | same period as cp_output | manufacturing boundary | per 1 kg reference flow | weigh/supplier tickets; stock ledger; dosing; calibration |
| cp_energy | manufacture | electricity_input; steam_input; dryer_gas | metering | meter start/end; steam pressure/temperature; gas temperature/pressure; same-period output; shared-load drivers | Meter electricity, steam and gas separately; convert electricity to MJ; reconcile purchase records and shared-load partition; divide campaign totals by same-period cp_output net finished mass to obtain the per-kg intensity. | MJ; kg; m3 | shift and campaign | same period as cp_output | manufacturing and pollution-control equipment | per 1 kg reference flow | calibration; invoices; operating time and partition evidence |
| cp_waste | manufacture | coal_dust_disposal; process_wastewater | waste_transfer | individual waste mass; moisture/composition; destination; recycle amount; transfer records | Weigh coal dust and wastewater separately; reconcile transfer and recycle ledgers; wastewater volume conversion requires measured density; divide campaign totals by same-period cp_output net finished mass to obtain the per-kg intensity. | kg | each transfer | same period as cp_output | site exports | per 1 kg reference flow | transfer records; water assay; destination; recycle ledger |
| cp_air | manufacture | fossil_co2; fossil_co; nitrogen_dioxide; sulfur_dioxide; particulate_air | emission_measurement | species; release point; concentration; gas volume; hours; method; fuel carbon; fossil fraction; particle size; captured mass | Prefer monitoring; integrate species concentration times gas volume on matching temperature/pressure basis. CO2 may use a measured fuel-carbon balance with oxidation and non-CO2 carbon flows. Without a method or representative sample, do not enter zero; divide campaign totals by same-period cp_output net finished mass to obtain the per-kg intensity. | kg | representative modes and full operating duration | same period as cp_output | site stack and fugitive releases | per 1 kg reference flow | monitoring; calibration; carbon balance; mode representativeness; detection limits |
Calculation Rules
| rule_id | Applies to | Formula or rule | Inputs | Output | source_ids |
|---|---|---|---|---|---|
| campaign_intensity | all inventory rows | Divide each campaign exchange total by same-period accepted net finished fuel mass; finished product row is fixed to 1 kg. | cp_output; cp_material; cp_energy; cp_waste; cp_air | exchange amount per 1 kg reference flow | |
| moisture_conversion | bituminous_feed; anthracite_feed; finished_fuel | Dry mass equals wet mass times one minus wet-basis moisture fraction; diagnostic balance only, not a replacement gate denominator. | cp_output; cp_material | diagnostic dry mass |
Data Quality Requirements
| requirement_id | Applies to | Requirement | Evidence |
|---|---|---|---|
| dq_formulation | manufacture | Declare coal rank, all actual binders/additives, formulation, route and controls; illustrative rows do not replace the actual recipe. | recipe ledger and supplier specification |
| dq_representative | all inventory rows | Collect all operating modes, losses and recycle for the same period; disclose gaps and substitutions; distinguish missing from zero. | raw records and completeness ledger |
| dq_energy | finished_fuel | Distinguish wet/dry and gross/net calorific bases; declare measured as-produced NCV per kg gate mass; embodied fuel energy is not manufacturing energy input. | same-batch tests and method disclosure |
9. Validation Rules
| rule_id | applies_to | rule | source_ids |
|---|---|---|---|
| validate_identity | finished_fuel | Confirm manufactured hard-coal fuel and all qualifiers; reference amount and output row both equal 1 kg; packaging is outside the denominator. | unsd-energy-questionnaire-2024 |
| validate_balance | manufacture | Reconcile coal, binder, water, net product, recycle and exports; disclose moisture evaporation, stock change and balance residual; interpret with instrument uncertainty rather than an invented tolerance. | |
| validate_atomic | all inventory rows | Each row represents one exchange or species; check unit, applicability, destination and evidence. Do not treat NOx-as-NO2 totals as NO2 or sum total particulate with its size fractions. | |
| validate_normalization | all inventory rows | Check same period, formulation and per 1 kg reference flow denominator. Exclude later product combustion; do not repeat upstream purchased-steam combustion emissions on site. |
10. Published Dataset Profile
| Field | Value |
|---|---|
| dataset_role | Manufacturing foreground data package |
| downstream_use | secondary_dataset; background_dataset |
| allowed_use | Supply processes for declared hard-coal fuel formulation and gate state, linked into later life-cycle models |
| excluded_use | Unqualified heat-service equivalence, comparison across coal rank or binder, and brown-coal, charcoal or coke substitution |
| required_metadata | Site; year; coal rank; formulation; moisture/NCV basis; boundary; collection period; allocation; upstream and treatment links |
| required_quality_disclosure | Missing exchanges and identities; estimates; monitoring representativeness; uncertainty; balance residual; absence evidence |
| update_trigger | Change in feed, recipe, equipment, heating source, controls or sales-moisture specification |
11. Data Sources
| Source id | Type | Reference | Used for |
|---|---|---|---|
| unsd-cpc-3-structure-2025 | official_guidance | UNSD, Central Product Classification Version 3.0 Structure, 30 June 2025. https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Structure_30Jun2025.csv ; rows 432-444; retrieved 2026-09-30 | Classification identity and neighbouring categories |
| unsd-energy-questionnaire-2024 | official_guidance | UNSD, Guidelines for the 2022 Annual Questionnaire on Energy Statistics, May 2024, page 8. https://unstats.un.org/unsd/energy/energy-questionnaire-guidelines.pdf ; retrieved 2026-09-30 | Patent-fuel definition and brown-coal, peat and coke exclusions; semantic basis for professional Chinese title |
| epa-coal-conversion-1979 | official_guidance | US EPA, Coal Conversion Control Technology, Volume II: Gaseous Emissions; Solid Wastes, EPA-600/7-79-228b, October 1979, printed page 813. https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=9101FVE8.TXT ; retrieved 2026-09-30 | Forming, binder, fines recycle and conditional drying process identification; historical discussion is not a current range |
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System boundary rules · 3
| Rule ID | Applies to | Rule | Source IDs |
|---|---|---|---|
boundary_manufacture | manufacture | Include actual feed preparation, mixing, forming, conditioning, internal handling, losses and pollution control from receipt through the product gate. Drying and binder requirements depend on coal characteristics; do not assume a universal route. | epa-coal-conversion-1979 |
boundary_upstream | foreground data package | Represent upstream supplies with linked datasets; received feed is not burden-free. Document delivery links. Post-gate distribution, combustion and packaging disposal belong to separately declared downstream scenarios. | |
boundary_inventory | manufacture | Record all actual external exchanges within the declared collection boundary. For other binders, fuels or packaging actually used, add specific atomic rows and collection records; never use category rows or assumed zeros. Capital-equipment construction is outside this operating package and must be disclosed. |
Allocation rules · 3
| Rule ID | Applies to | Rule | Source IDs |
|---|---|---|---|
allocation_subdivide | manufacture | Separate formulations using distinct campaigns, unit-operation measurements and operating time. Partition shared electricity with measured operating time and power; disclose and test alternatives when causality is not demonstrated. | |
allocation_grade | saleable_outputs | For multiple grades of the same fuel from one indivisible campaign, partition joint operating burdens by actual net saleable mass; disclose calorific differences and energy-allocation sensitivity. | |
allocation_recycle | internal_fines | Internal fines receive no avoided-burden credit; their rehandling and repressing energy remains included. Link waste treatment; declare product or waste status for any sold by-product and prevent duplicate credits. |
Validation rules · 4
| Rule ID | Applies to | Rule | Source IDs |
|---|---|---|---|
validate_identity | finished_fuel | Confirm manufactured hard-coal fuel and all qualifiers; reference amount and output row both equal 1 kg; packaging is outside the denominator. | unsd-energy-questionnaire-2024 |
validate_balance | manufacture | Reconcile coal, binder, water, net product, recycle and exports; disclose moisture evaporation, stock change and balance residual; interpret with instrument uncertainty rather than an invented tolerance. | |
validate_atomic | all inventory rows | Each row represents one exchange or species; check unit, applicability, destination and evidence. Do not treat NOx-as-NO2 totals as NO2 or sum total particulate with its size fractions. | |
validate_normalization | all inventory rows | Check same period, formulation and per 1 kg reference flow denominator. Exclude later product combustion; do not repeat upstream purchased-steam combustion emissions on site. |
Processes and inputs/outputs · 1
| Process ID | Process name | Input flows | Output flows |
|---|---|---|---|
manufacture | Manufactured hard-coal fuel production | 9 | 8 |
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