Purificación de biogás procedente de lodos de palma aceitera con monoetanolamina (MEA) y Ácido acético (ÁAC)

IF 0.1 Q4 BIOLOGY

Ciencia Amazonica Pub Date : 2020-08-31 DOI:10.22386/ca.v8i1.278

Grober Panduro-Pisco, Edgar Juan Días Zuñiga, Sayuri Julissa Herrera Challco, Rosmery Elizabeth Amalia Noriega Silva

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Abstract

Biogas, considered as an alternative for the use of fossil fuels, has carbon dioxide (CO2) and hydrogen sulfide (H2S) as impurities and it must be purified to obtain biomethane with more than 90% methane (CH4) content and to be used as domestic fuel and automotive. Therefore, it has been proposed to purify the biogas from oil palm sludge (Elaeis guineensis) using chemical components: monoethanolamine (MEA) and acetic acid (AAC), T0 as control treatment and T0ꞌ in concentrations of 30, 50, 70%; the mixture of both (MEC and AAC) in treatments T1 30% MEA and 70% ÁAC, T2 50% MEA and 50% ÁAC and T3 70% MEA and 30% ÁAC. The results show 31% CO2, 47 ppm H2S and 69% CH4 concentrations for T0 and 44% CO2, 55 ppm H2S and 56% CH4 concentrations for T0ꞌ; from the mixtures, the best result was obtained with T1 25% CO2, 40 ppm H2S, 75% CH4 and 7145 kcal; in conclusion, the registered CH4 percentage (75%) does not allow to obtain biomethane because it requires 90 95% CH4, although that biogas has high quality and it can be used for cooking or for motor fuel.

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用单乙醇胺（MEA）和乙酸（AAAC）净化油棕污泥中的沼气

沼气被认为是化石燃料的替代品，其杂质为二氧化碳（CO2）和硫化氢（H2S），必须对其进行纯化，以获得甲烷（CH4）含量超过90%的生物甲烷，并用作家用燃料和汽车。因此，有人提出用化学成分：单乙醇胺（MEA）和乙酸（AAC），T0作为对照处理，T0ꞌ 浓度分别为30%、50%、70%；在处理T1 30%MEA和70%ÁAC、T2 50%MEA和50%ÁAC以及T3 70%MEA和30%ÁAC中两者（MEC和AAC）的混合物。结果显示T0的31%CO2、47ppm H2S和69%CH4浓度以及T0的44%CO2、55ppm H2S和56%CH4浓度ꞌ; 从混合物中，用25%的CO2、40ppm的H2S、75%的CH4和7145kcal的T1获得最佳结果；总之，登记的CH4百分比（75%）不允许获得生物甲烷气，因为它需要90-95%的CH4，尽管这种沼气质量很高，可以用于烹饪或汽车燃料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Ciencia Amazonica BIOLOGY-

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