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Modified Biological Treatment of Spent Caustic Effluent from Liquefied Petroleum Gas Plants
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2019-12-10 , DOI: 10.1002/ceat.201900368 Seyed Reza Hashemi 1 , Amir Heydarinasab 1 , Mohammad Ali Amoozegar 2
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2019-12-10 , DOI: 10.1002/ceat.201900368 Seyed Reza Hashemi 1 , Amir Heydarinasab 1 , Mohammad Ali Amoozegar 2
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Spent sulfidic caustic, which is difficult to treat and to dispose of due to its noxious properties, can be regenerated employing a new method, which is a combination of chemical, physical, and microbiological processes. After simple physical separation, advanced neutralization is applied to clarify and deodorize the caustic, resulting in a quality sufficient for microbial polishing. Based on the analysis results of the waste, this process would be highly economical and safe, as the product may be used in liquefied petroleum gas treatment units, depending on the concentration of the regenerated caustic and inclusion of the original catalyst. With this method, in addition to waste prevention, a considerable amount of caustic and catalyst can be saved.
中文翻译：
液化石油气厂废苛性碱废水的改良生物处理
由于其有害的特性而难以处理和处置的废硫化碱可以使用一种新方法进行再生，该方法是化学，物理和微生物过程的组合。简单的物理分离后，进行高级中和以使苛性碱澄清和除臭，从而产生足以进行微生物抛光的质量。根据废物的分析结果，此过程将非常经济和安全，因为根据再生苛性碱的浓度和原始催化剂的含量，该产品可用于液化石油气处理装置。使用这种方法，除了可以防止浪费外，还可以节省大量的苛性碱和催化剂。
更新日期：2019-12-10
中文翻译：
液化石油气厂废苛性碱废水的改良生物处理
由于其有害的特性而难以处理和处置的废硫化碱可以使用一种新方法进行再生，该方法是化学，物理和微生物过程的组合。简单的物理分离后，进行高级中和以使苛性碱澄清和除臭，从而产生足以进行微生物抛光的质量。根据废物的分析结果，此过程将非常经济和安全，因为根据再生苛性碱的浓度和原始催化剂的含量，该产品可用于液化石油气处理装置。使用这种方法，除了可以防止浪费外，还可以节省大量的苛性碱和催化剂。
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