Determining Conditions of Intermittently Fed Digesters from Biogas Production Rate Data,Chemical Engineering & Technology

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Determining Conditions of Intermittently Fed Digesters from Biogas Production Rate Data
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2019-10-28 , DOI: 10.1002/ceat.201900354
Robin Eccleston ₁ , Michael Bongards ₁

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As the contribution from renewable energy to the power grid increases, biogas plants could profit from on‐demand production. Flexible feeding can supplement gas storage for further benefits. Changing to flexible feeding introduces transient events to the feeding, and by monitoring the system response to the feeding transients it is possible to gain information about the system stability. Testing was performed at the laboratory and pilot scale to investigate the response characteristics. A statistical analysis was carried out to assess the response to feeding events and make an estimate of the system stability. This analysis was then used as the input to a proportional integral derivative controller for controlling the feeding rate for an anaerobic digestion model No. 1 simulation.

中文翻译：

从沼气生产率数据确定间歇喂食的消化器的条件

随着可再生能源对电网的贡献增加，沼气厂可以从按需生产中获利。灵活的进料可以补充气体存储，从而带来更多好处。更改为柔性馈电会在馈电中引入瞬态事件，并且通过监视系统对馈电瞬态的响应，就有可能获得有关系统稳定性的信息。测试是在实验室和中试规模下进行的，以调查响应特征。进行了统计分析，以评估对进料事件的响应并评估系统稳定性。然后将此分析用作比例积分微分控制器的输入，该控制器用于控制1号厌氧消化模型模拟的进料速度。

更新日期：2019-10-28

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