Compost from Municipal Solid Wastes as a Source of Biochar for CO2 Capture,Chemical Engineering & Technology

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Compost from Municipal Solid Wastes as a Source of Biochar for CO2 Capture
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-03-27 , DOI: 10.1002/ceat.201900108
Mohsen Karimi _{1,

2} , Jose L. Diaz de Tuesta _{1,

2} , Carmem N. d. P. Gonçalves ₂ , Helder T. Gomes _{1,

2} , Alírio E. Rodrigues ₁ , José A. C. Silva _{1,

2}

Affiliation

Increasing greenhouse gas emissions contributing to the global climate change are a major concern of environmental protection. Developing adsorbents from low‐cost and renewable resources is an attractive strategy. On the other hand, the high capacity of production rates of municipal solid waste, besides high methane emissions, is the origin of some eco‐systemic challenges. The combination of the two environmental problems is considered by introducing the compost from a mechanical biological treatment of municipal solid wastes as a low‐cost source of adsorbent for CO₂ capture. The obtained compost was thermally and chemically activated and the CO₂ adsorption capacities of prepared samples were evaluated. Samples prepared sequentially with sulfuric acid and heated at 800 °C and vice versa, respectively, had the highest uptake capacities and were comparable with commercial adsorbents.

中文翻译：

来自城市固体废物的堆肥作为二氧化碳捕获的生物炭来源

导致全球气候变化的温室气体排放量增加是环境保护的主要关注点。利用低成本和可再生资源开发吸附剂是一种有吸引力的策略。另一方面，除了甲烷排放量高以外，城市固体废物的高生产率也是一些生态系统挑战的根源。通过引入对城市固体废物进行机械生物处理得到的堆肥，将其作为CO ₂捕集吸附剂的低成本来源，从而考虑到了两个环境问题的结合。将获得的堆肥进行热化学活化，并去除CO ₂评价制备的样品的吸附能力。依次用硫酸制备并分别在800°C加热的样品，反之亦然，具有最高的吸收容量，可与商业吸附剂相媲美。

更新日期：2020-03-27

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