Sewage treatment plants are an important source of greenhouse gas emissions,and effective emission reduction technologies must be explored and applied to enhance the ability to reduce greenhouse gas emissions.Thoroughly analyzing the greenhouse gas emission characteristics of sewage treatment plants can help better apply emission reduction technologies.Direct and indirect emissions are the two main forms of greenhouse gas emissions from sewage treatment plants.Based on the sources of greenhouse gases from sewage treatment plants,taking a sewage treatment plant in Shandong province as an example,the direct and indirect emissions of greenhouse gases from 2018 to 2020 are calculated,then,according to the characteristics of greenhouse gas emissions from sewage treatment plants,the emission reduction measures for greenhouse gases from sewage treatment plants are analyzed.Overall,it is necessary to scientifically select sewage treatment processes,adjust process operating parameters reasonably,and effectively reduce greenhouse gas emissions.
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