http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Sameena Begum,Vijayalakshmi Arelli,Gangagni Rao Anupoju,Sridhar S,Suresh K. Bhargava,Nicky Eshtiaghi 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.90 No.-
Liquid–liquid extraction of volatile fatty acids (VFA) from landfill leachate (LL) as well as syntheticsolution (SS) whose concentration varied from 0.2 to 1 mol/L was investigated. The impact of extractantand feed VFA concentration on extraction efficiency (EE), distribution ratio (KD) and loading ratio (z) withthe help of statistical analysis and process optimization using response surface methodology ispresented. Physical extraction of VFA from SS using seven different diluents was performed to choose thebest diluent. Reactive extraction of VFA was investigated with 10–50% (v/v) trioctylamine (TOA) andtributylphosphate (TBP) as extractants in 1-Octanol. Reactive extraction of VFA results disclosedenhancement of EE due to the synergistic chemical interactions between extractant and diluent. Majorityof the acid extractant complexes formed were 1:1 with TBP while 1:1, 2:1 and 3:1 with TOA as verified byz > 0.5 The optimal extractant concentration for TOA and TBP was found to be 37.8% and 39.09% at a feedconcentration of 0.67 mol/L and 0.81 mol/L for SS respectively to achieve maximum EE of 91% while it was29.3% and 36.2% at 0.2 mol/L for LL to achieve EE of 52% and 57% correspondingly.