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| Carbon emission calculation and carbon emission reduction analysis of edible oil refinery |
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| DOI： |
| KeyWord:edible oil refining carbon emission |
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| Hits: 1985 |
| Download times: 1963 |
| Abstract: |
| In order to provide a reference for edible oil refinery to reduce carbon emission, the carbon emission of edible oil refinery was accounted by emission factor method with 500 t/d edible oil refining as an example, and the carbon emission of each section of edible oil refining was analyzed and carbon emission reduction measures were proposed. The results showed that the total carbon dioxide emission was 0.060 962 t per 1 t crude oil, of which the carbon dioxide emission from natural gas combustion, diesel combustion, wastewater treatment and net purchase of electricity were 0.018 163, 0.009 288, 0.010 735 t and 0.022 776 t per 1 t crude oil, respectively. In the edible oil refining process, the deodorization section has the highest carbon dioxide emission of 0.024 852 t, followed by the degumming and alkali refining section, and the bleaching section has the lowest carbon dioxide emission. Based on the sources of carbon emissions, carbon emissions of the edible oil refinery can be reduced by improving the production process, using clean energy and recycling heat. |
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