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Fate of proteins of waste activated sludge during thermal alkali pretreatment in terms of sludge protein recovery

Xiaoli Song, Zhenghua Shi, Xiufen Li, Xinhua Wang, Yueping Ren

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1114-7

Abstract:

Maillard reaction between reducing sugars and amides happened during pretreatment.

Over 90 min of TAH at the optimal condition, 67.59% sludge proteins was solubilized.

15.84% soluble proteins broke down to materials with small molecular weight.

Keywords: Sludge flocs     Microbial cells     Hydrolysate     Protein breakdown     Melanoidin    

Title Author Date Type Operation

Fate of proteins of waste activated sludge during thermal alkali pretreatment in terms of sludge protein recovery

Xiaoli Song, Zhenghua Shi, Xiufen Li, Xinhua Wang, Yueping Ren

Journal Article