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富氢合成气的生产来自于太阳能干燥污水污泥的气化和热解：实验和模拟研究。

Hydrogen-Rich Syngas Production from Gasification and Pyrolysis of Solar Dried Sewage Sludge: Experimental and Modeling Investigations.

机构信息

Laboratory of Wind Energy Control and Waste Energy Recovery (LMEEVED), Research and Technology Centre of Energy (CRTEn), Borj-Cedria Technopark, BP 95, 2050 Hammam-Lif, Tunisia.

Department of Geology, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia.

出版信息

Biomed Res Int. 2017;2017:7831470. doi: 10.1155/2017/7831470. Epub 2017 Aug 9.

DOI:10.1155/2017/7831470
PMID:28856162
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5569640/
Abstract

Solar dried sewage sludge (SS) conversion by pyrolysis and gasification processes has been performed, separately, using two laboratory-scale reactors, a fixed-bed pyrolyzer and a downdraft gasifier, to produce mainly hydrogen-rich syngas. Prior to SS conversion, solar drying has been conducted in order to reduce moisture content (up to 10%). SS characterization reveals that these biosolids could be appropriate materials for gaseous products production. The released gases from SS pyrolysis and gasification present relatively high heating values (up to 9.96 MJ/kg for pyrolysis and 8.02  9.96 MJ/kg for gasification) due to their high contents of H (up to 11 and 7 wt%, resp.) and CH (up to 17 and 5 wt%, resp.). The yields of combustible gases (H and CH) show further increase with pyrolysis. Stoichiometric models of both pyrolysis and gasification reactions were determined based on the global biomass formula, CHONS, in order to assist in the products yields optimization.

摘要

已分别使用两个实验室规模的反应器，即固定床热解器和下吸式气化炉，对太阳能干燥的污水污泥 (SS) 进行热解和气化转化，以主要生产富含氢气的合成气。在 SS 转化之前，进行了太阳能干燥以降低水分含量（最高可达 10%）。SS 的特性表明，这些生物固体可能是生产气态产品的合适材料。由于 SS 热解和气化释放的气体中 H（高达 11 和 7wt%，分别）和 CH（高达 17 和 5wt%，分别）含量较高，因此其热值相对较高（分别高达 9.96 MJ/kg 和 8.02 至 9.96 MJ/kg）。可燃气体（H 和 CH）的产率随热解进一步增加。基于全球生物质公式 CHONS，确定了热解和气化反应的化学计量模型，以协助优化产物产率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/e53f9802fca7/BMRI2017-7831470.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/e3ca941b241b/BMRI2017-7831470.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/68c8b17593f3/BMRI2017-7831470.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/a69ae11b532d/BMRI2017-7831470.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/2a4fc466004a/BMRI2017-7831470.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/2632dda21b6d/BMRI2017-7831470.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/e53f9802fca7/BMRI2017-7831470.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/e3ca941b241b/BMRI2017-7831470.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/68c8b17593f3/BMRI2017-7831470.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/a69ae11b532d/BMRI2017-7831470.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/2a4fc466004a/BMRI2017-7831470.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/2632dda21b6d/BMRI2017-7831470.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2b7/5569640/e53f9802fca7/BMRI2017-7831470.006.jpg

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