Biological nitrogen removal from sewage via anammox: recent advances
Biological nitrogen removal from sewage via anammox is a promising and feasible
technology to make sewage treatment energy-neutral or energy-positive. Good retention of …
technology to make sewage treatment energy-neutral or energy-positive. Good retention of …
Technologies for reducing sludge production in wastewater treatment plants: State of the art
This review presents the state-of-the-art sludge reduction technologies applied in both
wastewater and sludge treatment lines. They include chemical, mechanical, thermal …
wastewater and sludge treatment lines. They include chemical, mechanical, thermal …
Towards hydrogen production from waste activated sludge: Principles, challenges and perspectives
Hydrogen production from waste activated sludge (WAS) was widely considered and
intensively investigated as a promising technology to recover energy from wastewater …
intensively investigated as a promising technology to recover energy from wastewater …
[HTML][HTML] Challenges of suppressing nitrite-oxidizing bacteria in membrane aerated biofilm reactors by low dissolved oxygen control
Membrane aerated biofilm reactor (MABR) and shortcut nitrogen removal are two types of
solutions to reduce energy consumption in wastewater treatment, with the former improving …
solutions to reduce energy consumption in wastewater treatment, with the former improving …
Improving wastewater management using free nitrous acid (FNA)
Free nitrous acid (FNA), the protonated form of nitrite, has historically been an unwanted
substance in wastewater systems due to its inhibition on a wide range of microorganisms …
substance in wastewater systems due to its inhibition on a wide range of microorganisms …
Free nitrous acid (FNA)-based pretreatment enhances methane production from waste activated sludge
Anaerobic digestion of waste activated sludge (WAS) is currently enjoying renewed interest
due to the potential for methane production. However, methane production is often limited by …
due to the potential for methane production. However, methane production is often limited by …
Side-stream sludge treatment using free nitrous acid selectively eliminates nitrite oxidizing bacteria and achieves the nitrite pathway
Highlights•FNA inactivates NOB to a much larger extent than it does on AOB.•Sludge
treatment using FNA is effective in establishing the nitrite pathway.•Sludge treatment using …
treatment using FNA is effective in establishing the nitrite pathway.•Sludge treatment using …
Free nitrous acid pre-treatment of waste activated sludge enhances volatile solids destruction and improves sludge dewaterability in continuous anaerobic digestion
Previous work has demonstrated that pre-treatment of waste activated sludge (WAS) with
free nitrous acid (FNA ie HNO 2) enhances the biodegradability of WAS, identified by a 20 …
free nitrous acid (FNA ie HNO 2) enhances the biodegradability of WAS, identified by a 20 …
Free nitrous acid serving as a pretreatment method for alkaline fermentation to enhance short-chain fatty acid production from waste activated sludge
J Zhao, D Wang, X Li, Q Yang, H Chen, Y Zhong… - Water research, 2015 - Elsevier
Alkaline condition (especially pH 10) has been demonstrated to be a promising method for
short-chain fatty acid (SCFA) production from waste activated sludge anaerobic …
short-chain fatty acid (SCFA) production from waste activated sludge anaerobic …
Achieving stable nitritation for mainstream deammonification by combining free nitrous acid-based sludge treatment and oxygen limitation
Stable nitritation is a critical bottleneck for achieving autotrophic nitrogen removal using the
energy-saving mainstream deammonification process. Herein we report a new strategy to …
energy-saving mainstream deammonification process. Herein we report a new strategy to …