The MRV problem in the generation of Lancan tail gas is prominent, and the selection of emission factors is difficult. Northern Shaanxi is rich in semi coke, which is also called semi coke. While producing semi coke, it is rich in coal tar and semi coke tail gas. Their physical and chemical properties are essentially different from coke. Such semi coke production enterprises have practical problems involving many recycling industries and weak measurement and detection foundation. For example, the use of coke and coke oven gas emission factors recommended by the guidelines in the accounting of semi coke tail gas power generation will bring 200% emission error, May I ask how to select the emission factors for blue charcoal and blue charcoal exhaust gas?

 

Quota allocation issue: The carbon emission intensity of power supply for 23 gas power plants in Shaanxi ranges from 0.9 to 2.5 tCO2/MWh, while the national "Guidelines for Quota Allocation Methods in the Power Industry" (discussion draft) for gas units (9F level) is 0.398 tCO2/MWh, and for coal-fired high-pressure units below 300 MW is 0.902 tCO2/MWh. Therefore, it can be seen that if such gas power plants adopt the national quota allocation benchmark, there will be a quota gap of 200%. We hope that the country can determine the benchmark value based on the characteristics of such typical gas power plants.

 

For power generation enterprises, gas power plants refer to enterprises that burn natural gas for power generation. For self owned power plants with a power generation capacity of over 6000kW that meet the requirements of the "Notice on Further Standardizing the Submission of Submissions to the National Carbon Emission Trading Market to be included in the List", relevant emission related data needs to be submitted.

 

Enterprises can detect the low calorific value of blue charcoal, referring to the carbon content per unit calorific value of fuel varieties with similar low calorific values.

 

The issue of quota allocation is not discussed on this platform, but when setting benchmarks, the actual data submitted by the enterprise will be considered.

 

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