[HTML][HTML] Ultrasound-assisted biological conversion of biomass and waste materials to biofuels: A review

ZMA Bundhoo, R Mohee - Ultrasonics sonochemistry, 2018‏ - Elsevier
Ultrasound irradiation has been gaining increasing interests over the years to assist
biological conversion of lignocellulosic biomass and waste materials to biofuels. As such …

Sewage sludge treatment technology under the requirement of carbon neutrality: Recent progress and perspectives

C Zhang, X Yang, X Tan, C Wan, X Liu - Bioresource Technology, 2022‏ - Elsevier
In the context of climate policies that advocate carbon neutrality, carbon emission reduction
provides a new restriction in evaluating the waste activated sludge (WAS) treatment …

Revealing the intrinsic drawbacks of waste activated sludge for efficient anaerobic digestion and the potential mitigation strategies

R Xu, S Fang, L Zhang, X Cheng, W Huang… - Bioresource …, 2022‏ - Elsevier
Anaerobic digestion (AD) is an effective approach for waste activated sludge (WAS) disposal
with substantial recovery of valuable substrates. Previous studies have extensively explored …

Effects of dissolved oxygen on performance and microbial community structure in a micro-aerobic hydrolysis sludge in situ reduction process

T Niu, Z Zhou, X Shen, W Qiao, LM Jiang, W Pan… - Water Research, 2016‏ - Elsevier
A sludge process reduction activated sludge (SPRAS), with a sludge process reduction
module composed of a micro-aerobic tank and a settler positioned before conventional …

[HTML][HTML] Conditioning of sewage sludge via combined ultrasonication-flocculation-skeleton building to improve sludge dewaterability

C Zhu, P Zhang, H Wang, J Ye - Ultrasonics sonochemistry, 2018‏ - Elsevier
Strong water trap** ability of polyelectrolyte flocculated sludge and high compressibility of
sludge filter cake greatly hindered the further improvement of sludge dewaterability …

Phase separated pretreatment strategies for enhanced waste activated sludge disintegration in anaerobic digestion: An outlook and recent trends

VG Sharmila, G Kumar, P Sivashanmugham… - Bioresource …, 2022‏ - Elsevier
A significant ecological problem was developed on disposing the enormous amounts of
waste activated sludge (WAS) produced by traditional wastewater treatment. There have …

[HTML][HTML] Effect of citric acid induced deflocculation on the ultrasonic pretreatment efficiency of dairy waste activated sludge

T Gayathri, S Kavitha, SA Kumar, S Kaliappan… - Ultrasonics …, 2015‏ - Elsevier
In this investigation, the application of citric acid was explored for the removal of extracellular
polymeric substance (EPS) from waste activated sludge (WAS), followed by ultrasonic …

Combined thermo-chemo-sonic disintegration of waste activated sludge for biogas production

S Kavitha, RY Kannah, IT Yeom, KU Do… - Bioresource Technology, 2015‏ - Elsevier
In the present study, there was an investigation about the impact of a new combined thermo-
chemo-sonic disintegration of waste activated sludge (WAS) on biodegradability. The …

Effect of sulfate radical oxidation on disintegration of waste activated sludge

W Ren, Z Zhou, Y Zhu, LM Jiang, H Wei, T Niu… - International …, 2015‏ - Elsevier
The effects of sulfate radical oxidation pretreatment on the disintegration of waste activated
sludge were investigated at different dosages of peroxymonosulfate (PMS). Indicators for …

Ultrasound-intensified biodiesel production from algal biomass: a review

DS Patle, A Pandey, S Srivastava, AN Sawarkar… - Environmental …, 2021‏ - Springer
Energy needs and environmental concerns are leading to the search for alternative
renewable fuels such as biodiesel. Biodiesel from microalgae has recently gained attention …