本文選題：電滲析　切入點：蒸汽機械再壓縮　出處：《水處理技術(shù)》2016年12期

【摘要】：針對單一蒸汽機械再壓縮(MVR)技術(shù)處理阻燃劑化工廢水能耗相對較高的問題,采用電滲析(ED)耦合MVR技術(shù)的新型模式,對阻燃劑廢水進行深度脫鹽及脫COD處理的同時降低系統(tǒng)總能耗。電滲析階段考察不同的水回收率、不同電壓及不同流量下的廢水處理效果;最終階段采用MVR工藝處理電滲析濃室產(chǎn)水,并對過程能耗模擬分析。結(jié)果表明,當(dāng)電滲析采用恒壓為25 V、體積流量為15 L/h、電滲析水回收率為67%時,耦合工藝的總能耗與單一使用MVR相比降低了48.8%;同時整體工藝的水回收率提高至95%。
[Abstract]:Aiming at the problem of relatively high energy consumption in the treatment of flame-retardant chemical wastewater by single steam mechanical recompression (MVR) technology, a new model of MVR coupled with electrodialysis was adopted. The deep desalination and desalination of flame-retardant wastewater were carried out while the total energy consumption of the system was reduced. Different water recovery rates, different voltages and different flow rates were investigated in the electrodialysis stage. In the final stage, the MVR process was used to treat the water production in the electrodialysis concentrated chamber, and the energy consumption of the process was simulated. The results showed that when the constant pressure was 25 V, the volume flow rate was 15 L / h, and the recovery rate of the electrodialysis water was 67%, Compared with using MVR alone, the total energy consumption of the coupled process is reduced by 48.8%, and the water recovery rate of the whole process is increased to 95%.
【作者單位】： 中國海洋大學(xué)海洋化學(xué)理論與工程技術(shù)教育部重點實驗室;山東招遠第一中學(xué);
【基金】：國家科技支撐計劃(2015BAE06B03) 海洋公益性行業(yè)科研專項經(jīng)費項目(201405035) 河北省重大技術(shù)創(chuàng)新項目(12276702Z) 山東省“泰山學(xué)者”建設(shè)工程專項經(jīng)費
【分類號】：X78

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