Last reviewed on 12-01-2023

Documentation of California's Greenhouse Gas Inventory (2023 Edition - Last updated on 12-1-2023)

♦ Category: Energy

IPCC: 1A1b - Fuel Combustion Activities - Energy Industries - Petroleum Refining
Sector: Industrial : Petroleum Refining and Hydrogen Production

♦ Activity: Fuel combustion - Catalyst coke

♦ Greenhouse gas: Carbon dioxide ( CO2 )

► Year 2001 —

● Greenhouse gas emission estimate —

Amount: 5,542,231 tonnes of CO2 Emitted (5,542,231 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CO2 emission]
Reference: IPCC (2006). 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programme, Eggleston H.S., Buendia L., Miwa K., Ngara T., and Tanabe K. (eds). Volume 2, Chapter 2: Stationary Combustion. Published: IGES, Japan. http://www.ipcc-nggip.iges.or.jp/public/2006gl/pdf/2_Volume2/V2_2_Ch2_Stationary_Combustion.pdf

● Activity level used in calculations —

Activity: Fuel combustion = 2,190,093 ton of Catalyst coke
Basis: Data
Reference: Schremp, G. (2008). Data request (data from the Petroleum Industry Information Reporting Act [PIIRA] M-13 Survey Form) between CARB and Gordon Schremp of the California Energy Commission. Summer 2008.

● Parameters and Constants used in calculations —

Parameter: CO2 emission factor = 0.102 g / btu
Reference: CARB Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 (§§98.30 to 98.38). Available online at: https://www.arb.ca.gov/cc/reporting/ghg-rep/regulation/subpart_c_rule_part98.pdf
Parameter: Heat content = 24,800,000 btu / ton
Reference: CARB Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 (§§98.30 to 98.38). Available online at: https://www.arb.ca.gov/cc/reporting/ghg-rep/regulation/subpart_c_rule_part98.pdf

● Greenhouse gas emitted per unit activity (derived from values listed above) —

Amount: 2,530,592 g (i.e. 2.53 tonnes) of CO2 per ton of Catalyst coke