Microbial Products of Activated Sludge in Biological Wastewater Treatment Systems: A Critical Review

2011 ◽  
Vol 42 (2) ◽  
pp. 187-223 ◽  
Author(s):  
BING-JIE NI ◽  
HAN-QING YU
Keyword(s):  
Wastewater Treatment ◽  
Activated Sludge ◽  
Critical Review ◽  
Biological Wastewater Treatment ◽  
Microbial Products ◽  
Wastewater Treatment Systems

Bacteriophage ecology in biological wastewater treatment systems

2021 ◽  
Author(s):  
Ruyin Liu ◽  
Zong Li ◽  
Ganghua Han ◽  
Shujuan Cun ◽  
Min Yang ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Biological Wastewater Treatment ◽  
Wastewater Treatment Systems

scholarly journals Unravelling diversity and metabolic potential of microbial consortia at each stage of leather sewage treatment

RSC Advances ◽  
2017 ◽  
Vol 7 (66) ◽  
pp. 41727-41737 ◽  
Author(s):  
Hebin Liang ◽  
Dongdong Ye ◽  
Lixin Luo
Keyword(s):  
Wastewater Treatment ◽  
Activated Sludge ◽  
Treatment Process ◽  
Sewage Treatment ◽  
Microbial Consortia ◽  
Biological Wastewater Treatment ◽  
Metabolic Potential ◽  
Ecological Functions ◽  
Wastewater Treatment Process ◽  
System P

Activated sludge is essential for the biological wastewater treatment process and the identification of active microbes enlarges awareness of their ecological functions in this system.

scholarly journals Comammox Functionality Identified in Diverse Engineered Biological Wastewater Treatment Systems

2018 ◽  
Vol 5 (2) ◽  
pp. 110-116 ◽  
Author(s):  
Medini K. Annavajhala ◽  
Vikram Kapoor ◽  
Jorge Santo-Domingo ◽  
Kartik Chandran
Keyword(s):  
Wastewater Treatment ◽  
Biological Wastewater Treatment ◽  
Wastewater Treatment Systems

A conceptual model describing macromolecule degradation by suspended cultures and biofilms

1998 ◽  
Vol 37 (4-5) ◽  
pp. 231-234 ◽  
Author(s):  
David R. Confer ◽  
Bruce E. Logan
Keyword(s):  
Wastewater Treatment ◽  
Bovine Serum Albumin ◽  
Hydrolytic Activity ◽  
Bulk Solution ◽  
Biological Wastewater Treatment ◽  
Limited Information ◽  
Fixed Film ◽  
Suspended Cultures ◽  
Macromolecule Degradation ◽  
Wastewater Treatment Systems

Macromolecular (> 1,000 daltons) compounds such as proteins and polysaccharides can constitute a significant portion of dissolved organic carbon (DOC) in wastewater, but limited information is available on how these compounds are degraded in suspended and fixed-film biological wastewater treatment systems. Bacteria cannot assimilate intact macromolecules but must first hydrolyze them to monomers or small oligomers. Here, we summarize experiments performed in our laboratory which indicate that the enzymes responsible for hydrolysis are primarily those that remain attached to the cell. In biofilm cultures fed macromolecular substrates, for example, no more than 8% of total hydrolytic activity was found to be located in the cell-free bulk solution. These and other experiments support a generalized mechanism for macromolecule degradation by biofilms that features cell-associated hydrolysis, followed by the release of hydrolytic fragments back into bulk solution. The extent of fragment release is larger for proteins (bovine serum albumin) than for carbohydrates (dextrans).

Emerging investigators series: revisiting greenhouse gas mitigation from conventional activated sludge and anaerobic-based wastewater treatment systems

2018 ◽  
Vol 4 (11) ◽  
pp. 1739-1758 ◽  
Author(s):  
Siming Chen ◽  
Moustapha Harb ◽  
Pooja Sinha ◽  
Adam L. Smith
Keyword(s):  
Wastewater Treatment ◽  
Activated Sludge ◽  
Greenhouse Gas ◽  
Anaerobic Treatment ◽  
Greenhouse Gas Mitigation ◽  
Formation Mechanisms ◽  
Conventional Activated Sludge ◽  
Wastewater Treatment Systems

Elucidation of N2O formation mechanisms in aerobic-based wastewater treatment is essential for effective greenhouse gas mitigation, whereas mainstream anaerobic treatment requires improved methane recoverability.

Sign in / Sign up

Export Citation Format

Share Document