A greenhouse gas accounting method for a whole process of household garbage treatment

CN117852851BActive Publication Date: 2026-10-16CHINESE RES ACAD OF ENVIRONMENTAL SCI +1
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Patent Information

Application Number
CN202310920382.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-26
Publication Date
2026-10-16
Estimated Expiration
2043-07-26

AI Technical Summary

Technical Problem

然而,关于生活垃圾的温室气体排放主要集中于末端处置,缺乏系统性从垃圾投放、转运、处置建立指标体系及核算方法的研究,无法较为合理、准确的对生活垃圾温室气体排放量进行估计

Benefits of technology

[0030] This invention systematically studies the establishment of an indicator system and accounting method for waste disposal, transportation, and treatment, and provides a relatively reasonable and accurate estimate of greenhouse gas emissions from municipal solid waste.

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Abstract

The application discloses a kind of greenhouse gas accounting methods of domestic waste processing whole process, it is related to domestic waste greenhouse gas emission quantity technical field, comprising: determining the information of domestic waste processing whole process in target area, which includes the greenhouse gas emission quantity of garbage disposal stage, the greenhouse gas emission quantity of garbage transfer stage, the greenhouse gas emission quantity of garbage disposal stage, the greenhouse gas emission reduction quantity of garbage disposal stage, multiple garbage disposal methods and the proportion of each garbage disposal method in the domestic waste processing whole process in target area;Based on the information of domestic waste processing whole process in target area, the greenhouse gas emission quantity of carbon source element in target area and the carbon sink amount of carbon sink element in target area are accounted.The application can more reasonably and accurately estimate the greenhouse gas emission quantity of domestic waste.
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Description

Technical Field

[0001] This invention relates to the field of greenhouse gas emissions from municipal solid waste, and in particular to a method for calculating greenhouse gas emissions throughout the entire process of municipal solid waste treatment. Background Technology

[0002] Greenhouse gas emissions are the processes by which human production and business activities release greenhouse gases into the environment. These gases mainly include carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride.

[0003] Greenhouse gas accounting methods are widely used in thermal power generation and industrial production. Currently, greenhouse gas emissions occur from municipal solid waste from its initial disposal to its final treatment. However, research on greenhouse gas emissions from municipal solid waste mainly focuses on final treatment, lacking systematic research on establishing indicator systems and accounting methods for waste disposal, transportation, and treatment. This makes it impossible to reasonably and accurately estimate the greenhouse gas emissions from municipal solid waste. Summary of the Invention

[0004] Therefore, the purpose of this invention is to provide a greenhouse gas accounting method for the entire process of municipal solid waste treatment, which can reasonably and accurately estimate the greenhouse gas emissions from municipal solid waste.

[0005] To achieve the above objectives, the present invention provides the following solution:

[0006] A method for greenhouse gas accounting throughout the entire process of municipal solid waste treatment includes:

[0007] Determine the complete process information of municipal solid waste treatment within the target area; the complete process information of municipal solid waste treatment within the target area includes greenhouse gas emissions during the waste disposal stage, greenhouse gas emissions during the waste transfer stage, greenhouse gas emissions during the waste treatment stage, greenhouse gas emission reductions during the waste treatment stage, various waste treatment methods, and the proportion of each of the aforementioned waste treatment methods;

[0008] The greenhouse gas emissions of carbon source elements and the carbon sink amount of carbon sink elements within the target area are calculated. The greenhouse gas emissions of carbon source elements within the target area are the sum of greenhouse gas emissions during the waste disposal stage, the waste transfer stage, and the waste treatment stage in the entire process of municipal solid waste treatment within the target area. The carbon sink amount of carbon sink elements within the target area is the greenhouse gas emission reduction during the waste treatment stage.

[0009] Alternatively, the formula for calculating greenhouse gas emissions during the waste disposal phase is:

[0010] E 投放 =∑E电力投放 +∑E 生活垃圾 ;

[0011] Among them, E 投放 Greenhouse gas emissions during the waste disposal phase; ∑E 电力投放 The greenhouse gas emissions generated by the use of electricity during waste disposal; ∑E 生活垃圾 This refers to the greenhouse gas emissions generated from the degradation of biodegradable organic carbon in household waste during the waste disposal process.

[0012] Alternatively, the formula for calculating greenhouse gas emissions during the waste transfer phase is:

[0013] E 转运 =∑E 用电系统 +∑E 热力转运 +∑E 能源消耗 +∑E 尾气净化 ;

[0014] ∑E 能源消耗 =∑E 装 / 卸载等待 i+∑E 排队进场i / 运输 i+∑E 行驶i ;

[0015] Among them, E 转运 Greenhouse gas emissions during the waste transfer phase; ∑E 用电系统 The greenhouse gas emissions generated by the use of electricity during waste transfer; ∑E 热力转运 The greenhouse gas emissions generated from the use of thermal energy during waste transfer; ∑E 能源消耗 This refers to the greenhouse gas emissions from the fossil fuel consumption of vehicles during waste transfer; ∑E 尾气净化 E represents the greenhouse gas emissions generated from the consumption of catalysts used in waste treatment during waste transfer. 装 / 卸载等待i E represents the greenhouse gas emissions from fossil fuel combustion produced by the i-type waste collection vehicle during the waste transfer loading / unloading process; 排队进场i / 运输i E represents the greenhouse gas emissions from fossil fuel combustion produced by the i-type collection vehicle during the queuing process for the four accounting units involved in the waste transfer phase or during transportation. 行驶i This represents the greenhouse gas emissions of the i-type collection vehicle during its operation in the waste transfer process.

[0016] Alternatively, the formula for calculating greenhouse gas emissions during the waste disposal stage is:

[0017] E 处置 =∑Bn+∑Sn+∑Fn+E T ;

[0018] Among them, E 处置∑Bn represents greenhouse gas emissions during the waste disposal phase; ∑Sn represents greenhouse gas emissions during the waste disposal phase's biochemical treatment process; ∑Fn represents greenhouse gas emissions during the waste disposal phase's leachate treatment process; and ∑Fn represents greenhouse gas emissions during the waste disposal phase's municipal solid waste incineration process. T This refers to the greenhouse gas emissions generated during the landfilling of municipal solid waste in the waste disposal phase.

[0019] Optionally, the formula for calculating greenhouse gas emissions from carbon source elements within the target area is:

[0020] E 总 =E 投放 +E 转运 +E 处置 ;

[0021] Among them, E 总 E represents the greenhouse gas emissions E during the waste disposal stage of the entire municipal solid waste treatment process within the target area. 投放 Greenhouse gas emissions during the waste transfer phase E 转运 Greenhouse gas emissions during waste disposal E 处置 The sum of.

[0022] Optionally, the calculation process for greenhouse gas emission reductions during the waste disposal stage is as follows: the amount of heat, electricity, and usable biogas generated during the municipal solid waste incineration power generation process is converted into standard coal equivalent, and the amount of greenhouse gases generated by the consumption of standard coal as energy is determined as the greenhouse gas emission reduction during the waste disposal stage.

[0023] Optionally, it also includes:

[0024] The greenhouse gas emission factor of municipal solid waste in the target area is calculated based on the greenhouse gas emissions of carbon source elements in the target area, the carbon sink amount of carbon sink elements in the target area, various waste treatment methods and the proportion of each waste treatment method.

[0025] Optionally, the formula for calculating the greenhouse gas emission factor at municipal solid waste in the target area is:

[0026] EF 区域 =(E 总 -E 减排 ) / M 总 ;

[0027] M 总 =∑M q ;

[0028] Among them, M 总 M represents the amount of municipal solid waste to be disposed of within the target area. q E represents the amount of municipal solid waste processed using the qth waste disposal method.总 E is the sum of greenhouse gas emissions during the waste disposal stage, the waste transfer stage, and the waste treatment stage throughout the entire process of municipal solid waste management within the target area; 减排 EF represents the total greenhouse gas emission reductions involved in the entire process of municipal solid waste treatment within the target area. 区域 Greenhouse gas emission factors for municipal solid waste disposal in the region.

[0029] According to specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0030] This invention systematically studies the establishment of an indicator system and accounting method for waste disposal, transportation, and treatment, and provides a relatively reasonable and accurate estimate of greenhouse gas emissions from municipal solid waste. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a flowchart illustrating a method for greenhouse gas accounting throughout the entire process of municipal solid waste treatment, provided as an embodiment of the present invention. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] like Figure 1 As shown, this embodiment of the invention provides a method for greenhouse gas accounting throughout the entire process of municipal solid waste treatment, including:

[0036] Step 100: Determine the full process information of municipal solid waste treatment within the target area; the full process information of municipal solid waste treatment within the target area includes the greenhouse gas emissions during the waste disposal stage, the greenhouse gas emissions during the waste transfer stage, the greenhouse gas emissions during the waste treatment stage, the greenhouse gas emission reduction during the waste treatment stage, various waste treatment methods, and the proportion of each of the aforementioned waste treatment methods.

[0037] Step 200: Calculate the greenhouse gas emissions of carbon source elements and the carbon sink amount of carbon sink elements within the target area; wherein, the greenhouse gas emissions of carbon source elements within the target area are the sum of greenhouse gas emissions during the waste disposal stage, the waste transfer stage, and the waste treatment stage involved in the entire process of municipal solid waste treatment within the target area; the carbon sink amount of carbon sink elements within the target area is the greenhouse gas emission reduction during the waste treatment stage.

[0038] In this embodiment of the invention, the formula for calculating greenhouse gas emissions during the waste disposal stage is as follows:

[0039] E 投放 =∑E 电力投放 +∑E 生活垃圾 ;

[0040] Among them, E 投放 Greenhouse gas emissions during the waste disposal phase; ∑E 电力投放 The greenhouse gas emissions generated by the use of electricity during waste disposal; ∑E 生活垃圾 This refers to the greenhouse gas emissions generated from the degradation of biodegradable organic carbon in household waste during the waste disposal process.

[0041] For example, the greenhouse gas emissions generated by the use of electricity during the garbage disposal process are the same as the greenhouse gas emissions generated by the use of all electrical-consuming equipment such as smart garbage bins, electronic scales, lights, and voice broadcasts.

[0042] Furthermore, the direct greenhouse gas emissions during the waste disposal stage are the greenhouse gas emissions generated from the degradation of biodegradable organic carbon in household waste during the waste disposal process; the indirect greenhouse gas emissions during the waste disposal stage are the greenhouse gas emissions generated from the use of electrical energy during the waste disposal process.

[0043] In this embodiment of the invention, the formula for calculating greenhouse gas emissions during the waste transfer stage is as follows:

[0044] E 转运 =∑E 用电系统 +∑E 热力转运 +∑E 能源消耗 +∑E 尾气净化 ;

[0045] ∑E能源消耗 =∑E 装 / 卸载等待 i+∑E 排队进场 i / 运输 i+∑E 行驶 i;

[0046] Among them, E 转运 Greenhouse gas emissions during the waste transfer phase; ∑E 用电系统 The greenhouse gas emissions generated by the use of electricity during waste transfer; ∑E 热力转运 The greenhouse gas emissions generated from the use of thermal energy during waste transfer; ∑E 能源消耗 This refers to the greenhouse gas emissions from the fossil fuel consumption of vehicles during waste transfer; ∑E 尾气净化 E represents the greenhouse gas emissions generated from the consumption of catalysts used in waste treatment during waste transfer. 装 / 卸载等待i E represents the greenhouse gas emissions from fossil fuel combustion produced by the i-type waste collection vehicle during the waste transfer loading / unloading process; 排队进场i / 运输i E represents the greenhouse gas emissions from fossil fuel combustion produced by the i-type collection vehicle during the queuing process for the four accounting units involved in the waste transfer phase or during transportation. 行驶i This represents the greenhouse gas emissions of the i-type collection vehicle during its operation in the waste transfer process.

[0047] Furthermore, the formula for calculating greenhouse gas emissions from fossil fuel consumption by vehicles during waste transfer is as follows:

[0048] ∑E 行驶i =∑K i (NCV i ×OC i ×C i ×10 -5 ×EF i +EF n ×GWP n ×10 -9 );

[0049] In the formula, E 行驶i This refers to the greenhouse gas emissions (NCV) from the combustion of fossil fuels by the i-type collection vehicle during the collection and transportation process of municipal solid waste, including the collection process at waste disposal points, the queuing process of the four accounting units, and the transportation process. The unit is kg. i This refers to the average lower heating value of fossil fuels used by the i-type collection vehicle during the garbage queuing and transportation process. The unit is GJ / t for solid or liquid fuels, and GJ / ×10⁻¹⁰ for gaseous fuels. 4 Nm 3 ;K i This refers to the mileage traveled by the i-type collection vehicle during transportation and queuing for entry, in km; OCi This refers to the fuel (gas) consumption per 100 kilometers for the i-type collection vehicle during the transportation and queuing process, expressed in L / 100km; C i This refers to the density of fossil fuels, measured in kg / L; EF i The carbon dioxide emission factor of the fossil fuel used by the i-th type of collection vehicle, expressed in tCO2 / GJ; EF n The emission factor is methane or nitrous oxide, expressed in mg CH4(N2O) / km; GWP n The global warming potentials for CH4 and N2O are 25 and 298, respectively.

[0050] The formula for calculating greenhouse gas emissions from the consumption of exhaust gas treatment catalysts (such as urea) during waste transfer is as follows:

[0051] E 尾气净化 =M×12 / 60×P×44 / 12;

[0052] In the formula, E 尾气净化 M represents the carbon dioxide emissions generated by the company's transfer vehicles using urea as an exhaust gas purifier during the accounting and reporting period (i.e., during waste transfer); M represents the mass of urea additives consumed by the catalytic converter during the accounting and reporting period; and P represents the mass ratio of urea in the urea additives during the accounting and reporting period.

[0053] ∑E 用电系统 This refers to the greenhouse gas emissions generated when all the electrical energy (such as deodorization, compression, and other electrical systems) of the transfer vehicles is used during the waste transfer process.

[0054] ∑E 用电系统 =∑(P 用电系统 j×T 用电系统 j×EF 电力 );

[0055] In the formula, ∑E 用电系统 This is to calculate the CO2 emissions generated by the electrical systems used at the municipal solid waste temporary storage / transfer station within the accounting unit, in kg; j includes electrical systems for compression, deodorization, weighing, and lighting; P 用电系统 j represents the power of the j-th electrical system at the municipal solid waste temporary storage point / transfer station within the accounting unit, in kW; EF 电力 The average CO2 emission factor for supplying electricity to the region's power grid, expressed in tCO2 / MWh. 用电系统 j represents the usage duration of the j-th power system at the temporary storage point / transfer station for domestic waste within the accounting unit.

[0056] ∑E 热力转运 Greenhouse gas emissions from the use of thermal energy (such as heat energy used for heating) by all transport vehicles during the waste transfer process; carbon dioxide emissions from heating.

[0057] ∑E 热力转运 =Maw×(Tw-20)×4.1816×10 -3 ×EF 热力 ;

[0058] In the formula, ∑E 热力转运 In the transfer station accounting unit, this represents the CO2 emissions implied by the net purchased heat supply system during use per ton of municipal solid waste, expressed in kg; Maw is the mass of hot water, expressed in tons; Tw is the temperature of the hot water, expressed in degrees Celsius; 4.1868 is the specific heat of water at normal temperature and pressure, expressed in kJ / (kg℃); N is the daily waste processing volume of the transfer station, expressed in tons; EF 热力 The CO2 emission factor for heating in this area is expressed in tCO2 / GJ. The CO2 emission factor for heating is temporarily set at 0.11tCO2 / GJ. Once the relevant government department releases official data, the official data should be adopted and kept updated.

[0059] Furthermore, the direct greenhouse gas emissions during the waste transfer phase include the greenhouse gas emissions from the consumption of fossil fuels by vehicles and the greenhouse gas emissions from the consumption of exhaust gas treatment catalysts during the waste transfer process; the indirect greenhouse gas emissions during the waste transfer phase include the greenhouse gas emissions from the use of electrical energy and the greenhouse gas emissions from the use of thermal energy during the waste transfer process.

[0060] In this embodiment of the invention, the formula for calculating greenhouse gas emissions during the waste disposal stage is as follows:

[0061] E 处置 =∑Bn+∑Sn+∑Fn+E T ;

[0062] Among them, E 处置 ∑Bn represents greenhouse gas emissions during the waste disposal phase; ∑Sn represents greenhouse gas emissions during the waste disposal phase's biochemical treatment process; ∑Fn represents greenhouse gas emissions during the waste disposal phase's leachate treatment process; and ∑Fn represents greenhouse gas emissions during the waste disposal phase's municipal solid waste incineration process. T The greenhouse gas emissions generated during the landfilling of municipal solid waste in the waste disposal phase are ∑Bn, ∑Sn, ∑Fn, and E. T All figures represent direct greenhouse gas emissions during the waste disposal phase.

[0063] Furthermore, the formula for calculating greenhouse gas emissions generated during the biochemical treatment of waste in the waste disposal stage is as follows:

[0064] ∑Bn=∑M k ×EF k -R;

[0065] Where n represents different greenhouse gases; M k The mass of organic waste treated for the kth type of biological treatment; EF k R represents the greenhouse gas emission factor corresponding to the kth type of biological treatment; R represents the total amount of CH4 recovered.

[0066] Furthermore, the greenhouse gas emissions generated during the leachate treatment process are calculated, specifically the N2O and CH4 emissions generated after achieving emission standards. The formula for calculating greenhouse gas emissions generated during the leachate treatment process in the waste disposal stage is as follows:

[0067] ∑Sn=E N2O +E CH4 ;

[0068] E N2O =N 渗滤液 ×EF 渗滤液 ×44 / 28;

[0069] E CH4 =∑ m [(TOW m -S m )×EF m -R m ];

[0070] Where: N 渗滤液 It refers to the nitrogen content in the leachate; EF 渗滤液 This is the emission coefficient of N2O in the discharged wastewater. TOW m It represents the total amount of degradable organic matter in the leachate; m represents the type of wastewater treatment plant; S m The organic components removed as sludge in the inventory year; EF m Rm is the leachate discharge factor; Rm is the amount of CH4 recovered.

[0071] In calculating the greenhouse gas emissions generated during the municipal solid waste incineration process, emissions are divided into CO2 emissions and other greenhouse gas emissions, which are then added together to obtain the total greenhouse gas emissions generated during the municipal solid waste incineration process. The formula for calculating the greenhouse gas emissions generated during the municipal solid waste incineration process in the waste disposal stage is as follows:

[0072] ∑Fn=E CO2 +E 其余 ;

[0073] E CO2 =∑ y (IW×CCW×FCF×η×44 / 12);

[0074] In the formula, IW is the amount of municipal solid waste incinerated; CCW is the carbon content ratio in municipal solid waste; FCF is the mineral carbon content ratio in municipal solid waste; η is the complete combustion efficiency of the incinerator; 44 / 12 is the conversion coefficient of carbon to CO2; and y is the greenhouse gas CO2.

[0075] The remaining greenhouse gas emissions E during the incineration of municipal solid waste 其余 The calculation formula is as follows:

[0076] E 其余 =∑ z (IW×EF z );

[0077] In the formula, z represents the types of greenhouse gases other than CO2; EF z The emission coefficient of the z-th type of greenhouse gas.

[0078] In calculating greenhouse gas emissions from municipal solid waste landfilling, two categories are considered: the amount of methane produced and the amount of methane treated by methods such as flaring. The formula for calculating greenhouse gas emissions from municipal solid waste landfilling during the waste disposal phase is as follows:

[0079] E CH4 =(SW) T ×SW F ×L0-R CH4 )×(1-OX);

[0080] L0 = MCF × DOC × DOC F ×F×16 / 12;

[0081] In the formula, E CH4 Naphthane emissions (tonnes); SW T Total urban domestic waste generation (in ten thousands); SW F L0 refers to the landfill disposal rate of municipal solid waste; L0 refers to the methane generation potential of landfills of various management types (10,000 tons of methane / 10,000 tons of municipal solid waste); R CH4 Methane recovery volume (10,000 tons / year); OX refers to oxidation factor; MCF refers to methane correction factor (ratio) in municipal solid waste landfills; DOC refers to biodegradable organic carbon (kg carbon / kg waste); DOC F The ratio refers to the proportion of decomposable DOC; F refers to the proportion of methane in landfill gas; 16 / 12 refers to the methane / carbon molecular weight ratio.

[0082] In this embodiment of the invention, the formula for calculating the greenhouse gas emissions of carbon source elements within the target area is as follows:

[0083] E 总 =E 投放 +E 转运 +E处置 ;

[0084] Among them, E 总 E represents the greenhouse gas emissions E during the waste disposal stage of the entire municipal solid waste treatment process within the target area. 投放 Greenhouse gas emissions during the waste transfer phase E 转运 Greenhouse gas emissions during waste disposal E 处置 The sum of.

[0085] In this embodiment of the invention, the calculation process for greenhouse gas emission reduction during the waste disposal stage is as follows: the amount of heat energy, electrical energy and usable biogas generated during the municipal solid waste incineration power generation process is converted into standard coal, and the amount of greenhouse gas generated by the consumption of standard coal as energy is determined as the greenhouse gas emission reduction during the waste disposal stage.

[0086] In this embodiment of the invention, the method further includes: calculating the greenhouse gas emission factor of municipal solid waste in the target area based on the greenhouse gas emissions of carbon source elements in the target area, the carbon sink amount of carbon sink elements in the target area, various waste treatment methods and the proportion of each waste treatment method.

[0087] The formula for calculating the greenhouse gas emission factor at municipal solid waste disposal sites within the target area is as follows:

[0088] EF 区域 =(E 总 -E 减排 ) / M 总 ;

[0089] M 总 =∑M q ;

[0090] Among them, M 总 M represents the amount of municipal solid waste to be disposed of within the target area. q E represents the amount of municipal solid waste processed using the qth waste disposal method. 总 E is the sum of greenhouse gas emissions during the waste disposal stage, the waste transfer stage, and the waste treatment stage throughout the entire process of municipal solid waste management within the target area; 减排 EF represents the total greenhouse gas emission reductions involved in the entire process of municipal solid waste treatment within the target area. 区域 Greenhouse gas emission factors for municipal solid waste disposal in the region.

[0091] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the systems disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the descriptions are relatively simple; relevant parts can be referred to the method section.

[0092] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A method for greenhouse gas accounting throughout the entire process of municipal solid waste treatment, characterized in that, include: Determine the complete process information for municipal solid waste disposal within the target area; The information on the entire process of municipal solid waste treatment in the target area includes greenhouse gas emissions during the waste disposal stage, greenhouse gas emissions during the waste transfer stage, greenhouse gas emissions during the waste treatment stage, greenhouse gas emission reductions during the waste treatment stage, various waste treatment methods, and the proportion of each of the aforementioned waste treatment methods. The formula for calculating greenhouse gas emissions during the waste disposal phase is as follows: AND 投放 =∑E 电力投放 +∑E 生活垃圾 ; Among them, E 投放 Greenhouse gas emissions during the waste disposal phase; ∑E 电力投放 The greenhouse gas emissions generated by the use of electricity during waste disposal; ∑E 生活垃圾 This refers to the greenhouse gas emissions generated from the degradation of biodegradable organic carbon in household waste during the waste disposal process. The formula for calculating greenhouse gas emissions during the waste transfer phase is as follows: AND 转运 =∑E 用电系统 +∑E 热力转运 +∑E 能源消耗 +∑E 尾气净化 ; ∑E 能源消耗 =∑E 装 / 卸载等待i +∑E 排队进场i / 运输i +∑E 行驶i ; Among them, E 转运 Greenhouse gas emissions during the waste transfer phase; ∑E 用电系统 The greenhouse gas emissions generated by the use of electricity during waste transfer; ∑E 热力转运 The greenhouse gas emissions generated from the use of thermal energy during waste transfer; ∑E 能源消耗 This refers to the greenhouse gas emissions from the fossil fuel consumption of vehicles during waste transfer; ∑E 尾气净化 E represents the greenhouse gas emissions generated from the consumption of catalysts used in waste treatment during waste transfer. 装 / 卸载等待i E represents the greenhouse gas emissions from fossil fuel combustion produced by the i-type waste collection vehicle during the waste transfer loading / unloading process; 排队进场i / 运输i E represents the greenhouse gas emissions from fossil fuel combustion produced by the i-type collection vehicle during the queuing process for the four accounting units involved in the waste transfer phase or during transportation. 行驶i This refers to the greenhouse gas emissions of the i-type collection vehicle during its operation in the waste transfer process. The greenhouse gas emissions of carbon source elements and the carbon sink amount of carbon sink elements within the target area are calculated. Specifically, the greenhouse gas emissions of carbon source elements within the target area are the sum of greenhouse gas emissions from the waste disposal stage, the waste transfer stage, and the waste treatment stage throughout the entire municipal solid waste treatment process within the target area. The carbon sink amount of carbon sink elements within the target area is the greenhouse gas emission reduction during the waste treatment stage. The calculation process for the greenhouse gas emission reduction during the waste treatment stage involves converting the heat, electricity, and usable biogas generated during the municipal solid waste incineration power generation process into standard coal equivalent, and determining the greenhouse gas emissions generated by consuming standard coal as energy as the greenhouse gas emission reduction during the waste treatment stage. Based on the greenhouse gas emissions of carbon source elements in the target area, the carbon sink amount of carbon sink elements in the target area, various waste treatment methods and the proportion of each waste treatment method, calculate the greenhouse gas emission factor of municipal solid waste in the target area. The formula for calculating the greenhouse gas emission factor of municipal solid waste in the target area is as follows: EF 区域 =(E 总 -E 减排 ) / M 总 ; M 总 =∑M q ; Among them, M 总 M represents the amount of municipal solid waste to be disposed of within the target area. q E represents the amount of municipal solid waste processed using the qth waste disposal method. 总 E is the sum of greenhouse gas emissions during the waste disposal stage, the waste transfer stage, and the waste treatment stage throughout the entire process of municipal solid waste management within the target area; 减排 This refers to the total greenhouse gas emission reductions involved in the entire process of municipal solid waste treatment within the target area. 区域 Greenhouse gas emission factors for municipal solid waste disposal in the region.

2. The greenhouse gas accounting method for the entire process of municipal solid waste treatment according to claim 1, characterized in that, The formula for calculating greenhouse gas emissions during the waste disposal phase is: AND 处置 =∑Bn+∑Sn+∑Fn+E T ; Among them, E 处置 ∑Bn represents greenhouse gas emissions during the waste disposal phase; ∑Sn represents greenhouse gas emissions during the waste disposal phase's biochemical treatment process; ∑Fn represents greenhouse gas emissions during the waste disposal phase's leachate treatment process; and ∑Fn represents greenhouse gas emissions during the waste disposal phase's municipal solid waste incineration process. T This refers to the greenhouse gas emissions generated during the landfilling of municipal solid waste in the waste disposal phase.

3. The greenhouse gas accounting method for the entire process of municipal solid waste treatment according to claim 1, characterized in that, The formula for calculating greenhouse gas emissions from carbon source elements within the target area is: AND 总 =E 投放 +E 转运 +E 处置 ; Among them, E 总 E represents the greenhouse gas emissions E during the waste disposal stage of the entire municipal solid waste treatment process within the target area. 投放 Greenhouse gas emissions during the waste transfer phase E 转运 Greenhouse gas emissions during waste disposal E 处置 The sum of.

Citation Information

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