Waste activated sludge (WAS) conditioning is crucial for enhancing sludge dewaterability and effectively reducing the management cost. The feasibility of bio-enzymes with Fe2+-activated advanced oxidation processes (AOPs) for WAS conditioning was investigated in this study. Two representative bio-enzymes, α-amylase and neutral protease, and two typical AOPs, the Fenton system and Fe2+/Ca(ClO)2 system, were chosen. The medical dosages of AOPs were first optimized by single-factor experiments. On this basis, the dosages of bio-enzyme, ferrous ion, and oxidant were optimized using the response surface method (RSM). Results showed that neutral protease combined with the Fe2+/Ca(ClO)2 system performed better in CST and SRF reduction rates while reducing the medical dosages of AOPs. Under the optimal conditions of neutral protease dosage of 20.9 mg/g TSS, Fe2+ dosage of 0.64 mmol/g TSS, and Ca(ClO)2 dosage of 0.54 mmol/g TSS, the reduction in sludge CST and SRF reached 84.81 % and 94.06 %,
Louisville, Colorado (PRWEB) December 06, 2022 In concert with GivingTuesday and Colorado Gives Day, the Clear Comfort Cares Program is opening another
Louisville, Colorado (PRWEB) June 21, 2022 Today, Clear Comfort announced its largest expansion into multiple channel partnerships, further fueling the
TADEPALLIGUDEM : NIT Andhra Pradesh Researchers have developed a continuous reactor for the treatment of textile industrial effluent by nano coupled advanced oxidation process. The students have initiated this research towards the mission of Clean Wa