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袁彧, 刘研萍, 陆文静, 马宗虎, 李超. 规模化沼气工程消化效率及碳减排核算[J]. 环境工程学报, 2019, 13(1): 204-212. doi: 10.12030/j.cjee.201805147
引用本文: 袁彧, 刘研萍, 陆文静, 马宗虎, 李超. 规模化沼气工程消化效率及碳减排核算[J]. 环境工程学报, 2019, 13(1): 204-212. doi: 10.12030/j.cjee.201805147
shu
YUAN Yu, LIU Yanping, LU Wenjing, MA Zonghu, LI Chao. Digestion efficiency and carbon emission reduction accounting for large-scale biogas projects[J]. Chinese Journal of Environmental Engineering, 2019, 13(1): 204-212. doi: 10.12030/j.cjee.201805147
Citation: YUAN Yu, LIU Yanping, LU Wenjing, MA Zonghu, LI Chao. Digestion efficiency and carbon emission reduction accounting for large-scale biogas projects[J]. Chinese Journal of Environmental Engineering, 2019, 13(1): 204-212. doi: 10.12030/j.cjee.201805147
shu

规模化沼气工程消化效率及碳减排核算

  • 1.

    北京化工大学化学工程学院，北京 100029

  • 2.

    碧普华瑞环境技术北京有限公司，北京 100012

  • 3.

    清华大学环境学院，北京 100084

  • 4.

    中国华电科工集团有限公司，北京 100160

  • 基金项目:

    国家科技支撑计划(2014BAC24B01)

    北京市科技新星计划(Z181100006218056)

Digestion efficiency and carbon emission reduction accounting for large-scale biogas projects

  • 1.

    College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China

  • 2.

    Nova Skantek Beijing Co.Ltd., Beijing 100012, China

  • 3.

    School of Environment, Tsinghua University, Beijing 100084, China

  • 4.

    China Huadian Engineering Co.Ltd., Beijing 100160, China

  • Fund Project:

  • 摘要: 规模化沼气工程的产气核算尚无明确标准和评价方法，已严重影响政府补贴政策的落实，并一定程度上加大了沼气工程的运营压力。以山东民和沼气工程为案例，对原料及各级反应罐消化液的理化性质和产甲烷潜力进行了研究，提出了基于产甲烷潜力变化率的物料生物降解性变化率(biochemical degradation rate, BDR)间接核算法。该方法可对规模化大型沼气工程的沼气产量及碳减排进行核算。结果显示，基于BDR法核算的沼气产量与实际上报的沼气产量相差2.3%，碳减排量与监测报告中的数值相差6.3%。BDR法不仅能够准确地对沼气工程的产气量及碳减排进行核算，同时也可为产气的测量、报告与核证提供数据基础。该方法可满足当前沼气转型升级建设实行先建后补的政策投资需求。
    Abstract: A growth in investment of large-scale biogas plants therefore creates a need for gas verification methodology, as the government and investors need confidence in utilization efficiency. This paper is a case study of Minhe biogas plant in Shandong province. Aimed to find a suitable methodology for biogas production evaluation, the characteristics and methane potential of feedstock and digestive liquid from both primary digestion tank and secondary digestion tank were investigated. An indirect methodology based on then change rate of methane potential degradation was proposed to account the biochemical degradation rate (BDR) of materials, and then verify gas production and carbon emission reduction. The results showed that the verified biogas production based on BDR method was 2.3% deviation from the monitoring report. The difference of carbon emission amount between BRD estimation and the monitoring report was 6.3%. The verification method that based on BDR could not only accurately account the gas production and carbon emission reduction of biogas engineering, but also provide data support on testing gas production amount, and subsequent reporting and certification. This method could meet the investment requirement of the ‘first building-then subsidy’ policy for current biogas transformation and upgrading.
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  • 刊出日期:  2019-01-08
袁彧, 刘研萍, 陆文静, 马宗虎, 李超. 规模化沼气工程消化效率及碳减排核算[J]. 环境工程学报, 2019, 13(1): 204-212. doi: 10.12030/j.cjee.201805147
引用本文: 袁彧, 刘研萍, 陆文静, 马宗虎, 李超. 规模化沼气工程消化效率及碳减排核算[J]. 环境工程学报, 2019, 13(1): 204-212. doi: 10.12030/j.cjee.201805147
shu
YUAN Yu, LIU Yanping, LU Wenjing, MA Zonghu, LI Chao. Digestion efficiency and carbon emission reduction accounting for large-scale biogas projects[J]. Chinese Journal of Environmental Engineering, 2019, 13(1): 204-212. doi: 10.12030/j.cjee.201805147
Citation: YUAN Yu, LIU Yanping, LU Wenjing, MA Zonghu, LI Chao. Digestion efficiency and carbon emission reduction accounting for large-scale biogas projects[J]. Chinese Journal of Environmental Engineering, 2019, 13(1): 204-212. doi: 10.12030/j.cjee.201805147
shu

规模化沼气工程消化效率及碳减排核算

  • 1. 北京化工大学化学工程学院，北京 100029
  • 2. 碧普华瑞环境技术北京有限公司，北京 100012
  • 3. 清华大学环境学院，北京 100084
  • 4. 中国华电科工集团有限公司，北京 100160
基金项目:

国家科技支撑计划(2014BAC24B01)

北京市科技新星计划(Z181100006218056)

摘要: 规模化沼气工程的产气核算尚无明确标准和评价方法，已严重影响政府补贴政策的落实，并一定程度上加大了沼气工程的运营压力。以山东民和沼气工程为案例，对原料及各级反应罐消化液的理化性质和产甲烷潜力进行了研究，提出了基于产甲烷潜力变化率的物料生物降解性变化率(biochemical degradation rate, BDR)间接核算法。该方法可对规模化大型沼气工程的沼气产量及碳减排进行核算。结果显示，基于BDR法核算的沼气产量与实际上报的沼气产量相差2.3%，碳减排量与监测报告中的数值相差6.3%。BDR法不仅能够准确地对沼气工程的产气量及碳减排进行核算，同时也可为产气的测量、报告与核证提供数据基础。该方法可满足当前沼气转型升级建设实行先建后补的政策投资需求。

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