4.7 Article

Enhanced short chain fatty acids production from anaerobic fermentation of primary sludge using free ammonia pretreatment

Related references

Note: Only part of the references are listed.
Article Agricultural Engineering

Freezing-low temperature treatment facilitates short-chain fatty acids production from waste activated sludge with short-term fermentation

Zhang-Wei He et al.

Summary: This study proposed a novel and high-efficiency strategy, freezing followed by low-temperature thermal treatment, to significantly promote short-chain fatty acids (SCFAs) production from waste activated sludge. The maximal production of SCFAs was achieved with a shortened retention time, and the potential carbon source recovery was increased compared to traditional freezing/thawing treatment. Additionally, the strategy accelerated the solubilization and hydrolysis steps of the sludge and enriched acid-producing microorganisms.

BIORESOURCE TECHNOLOGY (2022)

Article Green & Sustainable Science & Technology

Free ammonia pretreatment assists potassium ferrate to enhance the production of short-chain fatty acids from waste activated sludge: Performance, mechanisms and applications

Jiamin Zhang et al.

Summary: The novel pretreatment method using potassium ferrate (PF) combined with free ammonia (FA) was found to enhance the disintegration of waste activated sludge (WAS) and the accumulation of short-chain fatty acids (SCFAs). This pretreatment condition not only promoted the disintegration of WAS and enhanced the biodegradability of fermentation broth, but also significantly reduced the populations of fecal coliforms in WAS.

JOURNAL OF CLEANER PRODUCTION (2021)

Article Agricultural Engineering

Enzymatic pre-treatment for enhancement of primary sludge fermentation

Gholamreza Bahreini et al.

BIORESOURCE TECHNOLOGY (2020)

Review Environmental Sciences

The roles of free ammonia (FA) in biological wastewater treatment processes: A review

Yiwen Liu et al.

ENVIRONMENT INTERNATIONAL (2019)

Article Chemistry, Multidisciplinary

Free Ammonia-Based Pretreatment Promotes Short-Chain Fatty Acid Production from Waste Activated Sludge

Chang Zhang et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

Article Chemistry, Multidisciplinary

Clarifying the Role of Free Ammonia in the Production of Short-Chain Fatty Acids from Waste Activated Sludge Anaerobic Fermentation

Jianwei Zhao et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

Article Engineering, Environmental

Volatile Fatty Acid Accumulation by Alkaline Control Strategy in Anaerobic Fermentation of Primary Sludge

Xiaoling Li et al.

ENVIRONMENTAL ENGINEERING SCIENCE (2017)

Article Biotechnology & Applied Microbiology

A novel free ammonia based pretreatment technology to enhance anaerobic methane production from primary sludge

Wei Wei et al.

BIOTECHNOLOGY AND BIOENGINEERING (2017)

Review Biotechnology & Applied Microbiology

Enhanced biological phosphorus removal with different carbon sources

Nan Shen et al.

APPLIED MICROBIOLOGY AND BIOTECHNOLOGY (2016)

Article Engineering, Environmental

Effect of free nitrous acid pre-treatment on primary sludge biodegradability and its implications

Tingting Zhang et al.

CHEMICAL ENGINEERING JOURNAL (2016)

Review Environmental Sciences

Current status of urban wastewater treatment plants in China

Q. H. Zhang et al.

ENVIRONMENT INTERNATIONAL (2016)

Review Biotechnology & Applied Microbiology

Minimization of excess sludge production by in-situ activated sludge treatment processes - A comprehensive review

Wan-Qian Guo et al.

BIOTECHNOLOGY ADVANCES (2013)

Article Engineering, Environmental

Free Nitrous Acid (FNA)-Based Pretreatment Enhances Methane Production from Waste Activated Sludge

Qilin Wang et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2013)

Article Agricultural Engineering

Optimized alkaline pretreatment of sludge before anaerobic digestion

Huan Li et al.

BIORESOURCE TECHNOLOGY (2012)

Article Environmental Sciences

VFA generation from waste activated sludge: Effect of temperature and mixing

Q. Yuan et al.

CHEMOSPHERE (2011)

Article Biotechnology & Applied Microbiology

Effect of free ammonia nitrogen on the methanogenic activity of swine wastewater

Marisol Belmonte et al.

ELECTRONIC JOURNAL OF BIOTECHNOLOGY (2011)

Article Engineering, Environmental

Alkaline fermentation of primary sludge for short-chain fatty acids accumulation and mechanism

Haiyan Wu et al.

CHEMICAL ENGINEERING JOURNAL (2010)

Article Engineering, Environmental

Improved bioproduction of short-chain fatty acids (SCFAs) from excess sludge under alkaline conditions

HY Yuan et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2006)

Article Engineering, Environmental

Fluorescence excitation - Emission matrix regional integration to quantify spectra for dissolved organic matter

W Chen et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2003)

Review Biotechnology & Applied Microbiology

Metabolic regulation of fermentation processes

S Sanchez et al.

ENZYME AND MICROBIAL TECHNOLOGY (2002)