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Supercritical Water Oxidation C.I. Disperse Red 60 Dyeing Wastewater Using Transpiring Water Reactor

机译:超临界水氧化C.I.用透水反应器分散红60染料废水。

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C.I. Disperse red 60 dyeing wastewater was treated by supercritical water oxidation in a transpiring water reactor (TWR). Experiments were performed at 25Mpa, 653-733K with oxidant dosage ratio changing from 0.6 to 2.0. COD, TOC, TN and color removal efficiency higher than 98.6%, 97.4%, 83% and 99.8% were achieved. The decomposition efficiency was increased with reaction temperature and oxidant dosage. GC and MS analysis for effluents indicated that several organic compounds I.e. phenol, isoquinoline, 1-indanone, 1,2-benzenedicarboxylic acid, 2,5-dimethylacetophenone and benzenecarboxylic acid were the main oxidation intermediates. The SEM photos of ceramic tube indicated that ceramic tube was corroded and plugged evidently. However, the reactor pressure vessel was not corroded. TWR reactor had a good performance against corrosion in treating C.I. Disperse red 60 dyeing wastewater.
机译:C.I.分散的红60染色废水在超临界水反应器(TWR)中通过超临界水氧化处理。实验在25Mpa,653-733K的条件下进行,氧化剂的剂量比从0.6变为2.0。 COD,TOC,TN和脱色效率均高于98.6%,97.4%,83%和99.8%。分解效率随反应温度和氧化剂用量的增加而增加。废水的GC和MS分析表明,几种有机化合物即苯酚,异喹啉,1-茚满酮,1,2-苯二甲酸,2,5-二甲基苯乙酮和苯甲酸是主要的氧化中间体。陶瓷管的SEM照片表明陶瓷管被腐蚀和堵塞。但是,反应堆压力容器没有被腐蚀。 TWR反应器在处理C.I.分散红色60印染废水。

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