Guangming Jiang

TL;DR: This study presents a novel pretreatment strategy based on free nitrous acid (FNA or HNO2) to enhance methane production from WAS, and indicated increased hydrolysis rate and methane potential were related to an increase in rapidly biodegradable substrates, which increased with increased FNA dose, while the slowly biodegradation substrates remained relatively static.

TL;DR: The FNA-based strategy for establishing the nitrite pathway substantially improved total nitrogen removal, and did not increase N2O emission or deteriorate sludge settleability.

TL;DR: The recovery of biofilm activities in anaerobic reactors after being exposed to FNA resembled the regrowth of residual sulfate-reducing bacteria and methanogens, further confirming the biocidal effects of FNA on microorganisms in biofilms.

TL;DR: Surveillance of wastewater from large transport vessels with their own sanitation systems has potential as a complementary data source to prioritize clinical testing and contact tracing among disembarking passengers and must be further optimized to maximize detection sensitivity.

TL;DR: A conceptual sulfur transformation model was established to characterize predominant sulfur transformations in rising main sewers receiving nitrate dosage and implied that S(0) was an important intermediate during anoxic and anaerobic sulfur transformation.