Ozone treatment for biorefractory COD removal

2001 ◽  
Vol 43 (2) ◽  
pp. 197-204 ◽  
Author(s):  
S. Baig ◽  
P. A. Liechti

A two case study of industrial wastewater treatment is reported in order to prove the suitability of ozonation for biorefractory COD removal. The ozone application as an end treatment is shown to provide an excellent oxidation yield of organic matter in a landfill leachate. The combination of ozonation and fixed bed biofilm process appears quite effective for the post-treatment of two biological effluents from paper industry.

2021 ◽  
Vol 405 ◽  
pp. 126696
Author(s):  
Bing Wu ◽  
Rudraksha D. Majumdar ◽  
Daniel H. Lysak ◽  
Rajshree Ghosh Biswas ◽  
Maryam Tabatabaei-Anaraki ◽  
...  

2014 ◽  
Vol 1010-1012 ◽  
pp. 472-477 ◽  
Author(s):  
Zhe Wang ◽  
Wen Yu Zhao ◽  
Li Wei Xu ◽  
Qi Mu

Effluent of aniline wastewater treatment from a company was isolated and fractionated by resin adsorption method into six different fractions. These fractions are operationally categorized as hydrophobic acids (HOA), hydrophobic bases (HOB), hydrophobic neutrals (HON), hydrophilic acids (HIA), hydrophilic bases (HIB) and hydrophilic neutrals (HIN). The dissolved organic carbon (DOC), ultraviolet-visible (UV) and genotoxicity of each fractions were determined. The results showed that hydrophobic matter is the main fractions of DOC and makes the main contributions to the genotoxicity of effluent of aniline wastewater treatment.


Author(s):  
Elisangela Watthier ◽  
Cristiane L. Andreani ◽  
Douglas G. B. Torres ◽  
Osvaldo Kuczman ◽  
Maria H. F. Tavares ◽  
...  

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