ISO 14404-4:2020 鉄鋼生産からの二酸化炭素排出強度の計算方法—パート4：ISO14404シリーズを使用するためのガイダンス | ページ 6

3.1.1

排出源

鉄鋼製品の製造時にCO ₂を排出する工程

注記 1: CO ₂排出源には、直接、上流、クレジットの 3 つのカテゴリがあります。この文書の対象となる排出源の例は、 直接的な CO ₂排出 (3.1.2) 、 上流の CO ₂排出 (3.1.3) および クレジット CO ₂排出 (3.1.4) に示されています。

[出典: ISO 14404-1:2013, 2.1.1]

3.1.2

_CO2の直接排出

境界 内での鉄鋼生産活動からの CO ₂排出 ( co )

注記 1:直接 CO ₂排出は、ISO 14064-1 で「直接 GHG 排出」に分類されます。

[出典: ISO 14404-1:2013, 2.1.2]

3.1.3

上流の_CO2排出量

外部委託された鉄鋼生産活動に関連する サイト境界外の輸入材料からの CO2 排出量 (3.10.3) _、co輸入 電力 (3.6.1) および 蒸気 (3.6.2) から サイト境界線 (3.10.3 ) への CO2 排出量。

注記 1:今期の輸入原材料からの CO ₂排出量は、ISO coで「その他の間接 GHG 排出量」に分類されています。

注記 2:この項の輸入 電力 (3.6.1) および 蒸気 (3.6.2) からの CO ₂排出量は、ISO coでは「エネルギー間接 GHG 排出量」に分類されています。

[出典: ISO 14404-1:2013, 2.1.3, 修正 —境界(3.10.2) がサイト境界(3.10.3) に変更]

3.1.4

クレジット CO ₂排出量

輸出された材料と 電力（3.6.1） or 蒸気（3.6.2） co相当する CO ₂排出量

注記 1:クレジット CO ₂排出量は、ISO 14064-1 で「直接的な GHG 排出量」に分類されています。

[出典: ISO 14404-1:2013, 2.1.4]

3.2.1

natural gas

mixture of gaseous hydrocarbons, primarily methane, naturally occurring in the earth and used principally as a fuel

[SOURCE: ISO 14404-1:2013, 2.2.1]

3.2.2

coke oven gas

COG

gas recovered from coke (3.4.6) oven

[SOURCE: ISO 14404-1:2013, 2.2.2]

3.2.3

blast furnace gas

BFG

gas recovered from blast furnace

[SOURCE: ISO 14404-1:2013, 2.2.3]

3.2.4

BOF gas

LDG

gas recovered from basic oxygen furnace (Linz Donawitz converter)

Note 1 to entry: BOF: basic oxygen furnace

[SOURCE: ISO 14404-1:2013, 2.2.4]

3.2.5

town gas

fuel gas manufactured for domestic and industrial use

[SOURCE: ISO 14404-2:2013, 2.2.2]

3.2.6

COREX gas

gas recovered from COREX

3.2.7

other gas

gas other than natural gas (3.2.1) , coke oven gas (3.2.2) , blast furnace gas (3.2.3) , BOF gas (3.2.4) , town gas (3.2.5) , and COREX gas (3.2.6)

3.3.1

heavy oil

No. 4 to No.6 fuel oil defined by ASTM

Note 1 to entry: ASTM: American Society for Testing and Materials

[SOURCE: ISO 14404-1:2013, 2.3.1]

3.3.2

light oil

No. 2 to No.3 fuel oil defined by ASTM

[SOURCE: ISO 14404-1:2013, 2.3.2]

3.3.3

kerosene

paraffin (oil)

[SOURCE: ISO 14404-1:2013, 2.3.3]

3.3.4

LPG

liquefied petroleum gas

[SOURCE: ISO 14404-1:2013, 2.3.4]

3.4.1

coking coal

coal for making coke (3.4.6) , including anthracite

[SOURCE: ISO 14404-1:2013, 2.4.1]

3.4.2

BF injection coal

pulverized coal injection (PCI) coal, including anthracite

Note 1 to entry: BF: blast furnace

[SOURCE: ISO 14404-1:2013, 2.4.2]

3.4.3

sinter coal

BOF coal

coal for sinter (3.7.2) /BOF, including anthracite

[SOURCE: ISO 14404-1:2013, 2.4.3]

3.4.4

EAF coal

coal used for an electric arc furnace (EAF) (3.10.5) , including anthracite

[SOURCE: ISO 14404-2:2013, 2.4.1, modified — “EAF” is changed to “electric arc furnace (EAF)”. Note 1 to entry is deleted.]

3.4.5

steam coal

boiler coal for producing electricity (3.6.1) and steam (3.6.2) , including anthracite

[SOURCE: ISO 14404-1:2013, 2.4.4]

3.4.6

coke

solid carbonaceous material

[SOURCE: ISO 14404-1:2013, 2.4.5]

3.4.7

charcoal

devolatilized or coked carbon neutral materials

[SOURCE: ISO 14404-1:2013, 2.4.6]

3.4.8

SR/DRI coal

coal used for smelting reduction (SR, including COREX)/ direct reduction iron (DRI), including anthracite

[SOURCE: ISO 14404-2:2013, 2.4.5, modified — Note 1 to entry is integrated into the definition]

3.4.9

other coal

coal other than steam coal (3.4.5) , coking coal (3.4.1) , BF injection coal (3.4.2) , sinter coal (3.4.3) , EAF coal (3.4.4) , coke (3.4.6) , charcoal (3.4.7) and SR/DRI coal (3.4.8)

3.5.1

limestone

calcium carbonate

CaCO₃

[SOURCE: ISO 14404-1:2013, 2.5.1]

3.5.2

burnt lime

CaO

[SOURCE: ISO 14404-1:2013, 2.5.2]

3.5.3

crude dolomite

calcium magnesium carbonate

CaMg(CO₃)₂

[SOURCE: ISO 14404-1:2013, 2.5.3]

3.5.4

burnt dolomite

CaMgO₂

[SOURCE: ISO 14404-1:2013, 2.5.4]

3.5.5

electric arc furnace graphite electrodes

EAF graphite electrodes

net use of EAF (3.10.5) graphite electrodes or attrition loss

[SOURCE: ISO 14404-2:2013, 2.5.5]

3.5.6

nitrogen

N₂

inert gas separated from air at an oxygen plant (3.10.8) , imported from/exported to outside the boundary (3.10.2)

[SOURCE: ISO 14404-1:2013, 2.5.5, modified — the definition is simplified]

3.5.7

argon

ar

inert gas separated from air at an oxygen plant (3.10.8) , imported from/exported to outside the boundary (3.10.2)

[SOURCE: ISO 14404-1:2013, 2.5.6, modified — the definition is simplified]

3.5.8

oxygen

O₂

gas separated from air at an oxygen plant (3.10.8) , imported from/exported to outside the boundary (3.10.2)

[SOURCE: ISO 14404-1:2013, 2.5.7, modified — the definition is simplified]

3.6.1

electricity

electrical energy imported from/exported to outside the boundary (3.10.2)

[SOURCE: ISO 14404-1:2013, 2.6.1, modified — the definition is simplified]

3.6.2

steam

pressurized water vapour imported from/exported to outside the boundary (3.10.2)

[SOURCE: ISO 14404-1:2013, 2.6.2]

3.7.1

pellets

agglomerated spherical iron ore calcinated by rotary kiln

[SOURCE: ISO 14404-1:2013, 2.7.1]

3.7.2

sinter

bulk iron ore sintered by baking mixture of fine iron ore, coke (3.4.6) breeze and pulverized lime

[SOURCE: ISO 14404-1:2013, 2.7.2]

3.7.3

hot metal

intermediate liquid iron products containing 30 g/kg to 50 g/kg by mass carbon produced by smelting iron ore with equipment such as blast furnace

[SOURCE: ISO 14404-1:2013, 2.7.3, modified — “3 %, 5 %” is replaced with “30 g/kg, 50 g/kg”]

3.7.4

cold iron

solidified hot metal (3.7.3) as an intermediate solid iron product

[SOURCE: ISO 14404-1:2013, 2.7.4]

3.7.5

scrap

used steel available for reprocessing

[SOURCE: ISO 14404-2:2013, 2.7.4]

3.7.6

gas-based DRI

direct reduced iron (DRI) reduced by a reducing gas such as reformed natural gas (3.2.1)

[SOURCE: ISO 14404-1:2013, 2.7.5]

3.7.7

coal-based DRI

direct reduced iron (DRI) reduced by coal

[SOURCE: ISO 14404-1:2013, 2.7.6]

3.8.1

ferro-nickel

alloy of iron and nickel

[SOURCE: ISO 14404-1:2013, 2.8.1]

3.8.2

ferro-chromium

alloy of iron and chromium

[SOURCE: ISO 14404-1:2013, 2.8.2]

3.8.3

ferro-molybdenum

alloy of iron and molybdenum

[SOURCE: ISO 14404-1:2013, 2.8.3]

3.9.1

co₂ for external use

co₂ exported to outside the boundary (3.10.2)

[SOURCE: ISO 14404-1:2013, 2.9.1]

3.9.2

coal tar

by-products of the carbonization of coal to coke (3.4.6) , containing complex and variable mixtures of phenols and polycyclic aromatic hydrocarbons

[SOURCE: ISO 14404-1:2013, 2.9.2]

3.9.3

coal light oil

benzole

light oil (3.3.2) recovered by COG (3.2.2) purification, consisting mainly of benzene, toluene and xylene (BTX)

[SOURCE: ISO 14404-1:2013, 2.9.3, modified — “COG gas” is changed to “COG”]

3.9.4

BF slag to cement

blast furnace slag supplied to cement industry

[SOURCE: ISO 14404-1:2013, 2.9.4]

3.9.5

BOF slag to cement

BOF slag supplied to cement industry

[SOURCE: ISO 14404-1:2013, 2.9.5]

3.10.1

other emission source

other related emission sources (3.1.1) such as plastics, scraps (3.7.5) , desulfurization additives, alloys, fluxes for secondary metallurgy, dust, sludge, etc.

[SOURCE: ISO 14404-1:2013, 2.10.1]

3.10.2

boundary

limit of activity used to calculate CO₂ emissions intensity for steel production activities

Note 1 to entry: boundary (3.10.2) may be different from the site boundary (3.10.3)

[SOURCE: ISO 14404-1:2013, 2.10.2, modified — Note 1 and 2 to entry is deleted, and new Note 1 to entry is added]

3.10.3

site boundary

boundary (3.10.2) defined by the target steel production site for the calculation of CO₂ emission and intensity

3.10.4

process route

route of steel production defined by the combination of iron source and steel making process

3.10.5

EAF

electric arc furnace

furnace that melts and refines iron-bearing material into steel

[SOURCE: ISO 14404-2:2013, 2.10.2.1]

3.10.6

casting

pouring steel directly from a ladle through a tundish into a mould shaped to form billets, blooms or slabs, or pouring steel from a ladle into a mould shaped to form ingots

[SOURCE: ISO 14404-1:2013, 2.10.2.3]

3.10.7

lime kiln

kiln used to produce burnt lime (3.5.2) by the calcination of limestone (3.5.1)

[SOURCE: ISO 14404-1:2013, 2.10.2.6]

3.10.8

oxygen plant

cryogenic air separator to produce high-purity oxygen (3.5.8)

[SOURCE: ISO 14404-1:2013, 2.10.2.8]

3.10.9

steam boiler

boiler for production of steam (3.6.2)

[SOURCE: ISO 14404-1:2013, 2.10.2.9]

3.10.10

power plant

plant that generates electricity (3.6.1)

[SOURCE: ISO 14404-1:2013, 2.10.2.10]

3.10.11

RHF

reheating furnace

heating furnace used in hot rolling (3.10.12) mills to heat the steel stock (billets, blooms or slabs)

3.10.12

hot rolling

rolling at elevated temperature

[SOURCE: ISO 14404-1:2013, 2.10.2.11]

3.10.13

cold rolling

rolling at room temperature

[SOURCE: ISO 14404-1:2013, 2.10.2.12]

3.10.14

coating

covering steel with another material (tin, chrome, zinc, etc.), primarily for corrosion resistance

Note 1 to entry: Coating materials may include tin, chrome, zinc, etc.

[SOURCE: ISO 14404-1:2013, 2.10.2.13]