Comparing membrane and spacer biofouling by Gram-negative Pseudomonas aeruginosa and Gram-positive Anoxybacillus sp. in forward osmosis

Biofouling
Anne BoglerEdo Bar-Zeev

Abstract

Bacteria of different Gram-types have inherently different outer cell structures, influencing cell surface properties and bacterial attachment. Dynamic biofouling experiments were conducted over four days in a bench-scale forward osmosis (FO) system with Gram-negative Pseudomonas aeruginosa or Gram-positive Anoxybacillus sp. Biofouling resulted in ∼10% decline in FO permeate water flux and was found to be significant for Anoxybacillus sp. but not for P. aeruginosa. Additionally, a stronger permeate water flux decline for P. aeruginosa in experiments with a superhydrophilic feed spacer demonstrated that mitigation methods require testing with different bacterial Gram-types. It was found that although permeate water flux decline can be affected by bacterial Gram-type the stable performance under enhanced biofouling conditions highlights the potential of FO for wastewater reclamation.

References

Jun 18, 2003·Proceedings of the National Academy of Sciences of the United States of America·Daniel J WozniakMatthew R Parsek
Jan 14, 2004·Environmental Science & Technology·Eric M V Hoek, Menachem Elimelech
Oct 22, 2008·Water Research·J S VrouwenvelderM C M van Loosdrecht
Dec 9, 2008·Water Research·J S VrouwenvelderM C M van Loosdrecht
Feb 6, 2009·Environmental Science & Technology·Robert L McGinnis, Menachem Elimelech
Aug 15, 2009·Chembiochem : a European Journal of Chemical Biology·Justin J Richards, Christian Melander
Jan 26, 2010·Chemical Reviews·D Rana, T Matsuura
Jun 25, 2010·Journal of Industrial Microbiology & Biotechnology·J S PalmerJ D Brooks
May 23, 2012·Proceedings of the National Academy of Sciences of the United States of America·Edo Bar-ZeevTom Berman
Apr 15, 2014·Water Research·R Valladares LinaresJ S Vrouwenvelder
Apr 26, 2014·Water Research·Kerusha LutchmiahE R Cornelissen
Sep 10, 2014·Water Research·R Valladares LinaresJ S Vrouwenvelder
Oct 9, 2014·Environmental Science & Technology·Katherine R ZodrowMenachem Elimelech
Dec 17, 2014·Environmental Science & Technology·Edo Bar-ZeevMenachem Elimelech
Oct 2, 2015·Environmental Science & Technology·Edo Bar-ZeevMenachem Elimelech
Oct 5, 2016·Water Research·Szilárd S BucsCristian Picioreanu

❮ Previous
Next ❯

Methods Mentioned

BETA
flow cytometry
Protein Assay
infrared spectroscopy

Software Mentioned

ImageJ
XLSTAT Add - In
MATLAB®

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

© 2022 Meta ULC. All rights reserved