Effective treatment of residue of acrylic acid production using a fluid bed/fixed bed system with low energy consumption.

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ID: 67526
2019
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Ranked #7 of 24 articles by views in Water environment research : a research publication of the Water Environment Federation

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Abstract
In order to effectively deal with large amounts of complex organic pollutants in the harmful distillation residues with low energy consumption, a novel two-stage fluid bed/fixed bed system was designed to catalyze oxidation of acrylic acid production residue. The effects of fluid bed temperature, gaseous hourly space velocity (GHSV), and oxygen excess rate on the purification of acrylic acid production residue in the two-stage fluid bed/fixed bed system were studied to prove the feasibility of the method. The chemical oxygen demand (COD) of the discharged liquid was less than 100 mg/L, and the volatile organic compounds (VOCs) of the discharged gas amounted to less than 10 mg/m with a fluid bed temperature of 380°C, emulsified residue's GHSV of 0.28 L/(kg ·h), and O excessive rate of more than 4.32. The result of techno-economics indicate the feasibility of the long-term operation of process. Results further illustrate the advantages of the proposed two-stage fluid bed/fixed bed system, which can treat acrylic acid production residue with high efficiency (COD < 100 mg/L, VOCs < 10 mg/m ) and low energy consumption (~ 24,856 kw·h/ton) in the chemical industry.
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liu2019effectivewater Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Liu, Biming;ZhiyingLiu, ;Xu, Yanhua;Sun, Yongjun;Yu, Yang;Zheng, Huaili;
Journal Water environment research : a research publication of the Water Environment Federation
Year 2019
DOI
10.1002/wer.1278
URL
Keywords
acrylic acid fixed-bed fluid-bed residue

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