Energetic Optimization of the Three‐Stage Gas Permeation Process for the Upgrading of Biogas,Chemical Engineering & Technology

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Energetic Optimization of the Three‐Stage Gas Permeation Process for the Upgrading of Biogas
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2019-11-04 , DOI: 10.1002/ceat.201900351
Jürgen Kube ₁

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The mass balances of countercurrent gas permeation modules for the separation of multicomponent gas mixtures are formulated as a boundary value problem, using the ideal gas law and isobaric isothermal stages. The balances are extended for the common three‐stage gas permeation process for the upgrading of biogas. The solution is calculated with MATLAB's BVP4C boundary value solver. The process is optimized by means of the FMINCON SQP‐algorithm towards lowest power consumption. Parameter variations are conducted, highlighting the impact of product and lean‐gas quality setpoints, biogas composition, membrane surface and selectivity, permeate compression, and choice of compressor model on the energetic optimum.

中文翻译：

沼气升级的三阶段气体渗透过程的能量优化

使用理想气体定律和等压等温阶段，将用于分离多组分气体混合物的逆流气体渗透模块的质量平衡表述为边界值问题。平衡被扩展为用于沼气升级的常见的三阶段气体渗透过程。该解决方案是使用MATLAB的BVP4C边界值求解器计算的。该过程通过FMINCON SQP算法进行了优化，以实现最低功耗。进行参数变化，突出显示产品和贫气质量设定点，沼气成分，膜表面和选择性，渗透物压缩以及压缩机模型选择对高能最佳方案的影响。

更新日期：2019-11-04

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