超声
脂肪酶
水解
酶水解
废水
超声波
产量(工程)
化学
色谱法
倾析
生物柴油
声化学
催化作用
酶
制浆造纸工业
材料科学
废物管理
有机化学
复合材料
工程类
物理
声学
作者
Tejal V. Adulkar,Virendra K. Rathod
标识
DOI:10.1016/j.ultsonch.2013.11.017
摘要
This paper illustrates the application of ultrasound in a dairy waste water treatment for the removal of fat using enzyme as a catalyst. Lipase Z was used to perform the enzymatic pre-hydrolysis of a synthetic dairy wastewater containing around 2000 mg/L of fat content coupled with ultrasound irradiation. Different process parameters like effect of enzyme loading, temperature, ultrasound power, frequency, duty cycle and speed of agitation are optimized. The maximum hydrolysis of 78% is achieved at 0.2% enzyme loading (w/v), 30 °C temperature, 165 W of ultrasonication power at 25 kHz and 66% duty cycle. It was observed that the enzymatic pre-hydrolysis under the influence of ultrasound drastically reduces the reaction time from 24 h to 40 min as compared to conventional stirring with improved yield.
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