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A biofilm is a syntrophic community of microorganisms in which cells stick to each other and often also to a surface. [2] [3] These adherent cells become embedded within a slimy extracellular matrix that is composed of extracellular polymeric substances (EPSs).
Biofilms can consist of a multitude of bacteria, fungi, and algae which are able to absorb, immobilize, and degrade many common pollutants found in wastewater.By harnessing a natural phenomenon, biofilm-mediated remediation is an environmentally friendly method for environmental cleanup. [3]
In 1996 the national profile of the CBE and biofilm research was on the rise. Numerous scientific and mass media publications began to address biofilm technology in earnest. An article in the September 1996 issue of Science, entitled "Biofilms Invade Microbiology" featured the work and history of the Center for Biofilm Engineering. [4]
Herc Rentals is an equipment rental company, owned by Herc Holdings. It was formerly a subsidiary of The Hertz Corporation before being spun-off as a separate company in 2016. The company provides rentals of heavy equipment , [ 3 ] tools, power generators and pumps, [ 4 ] as well as sales of used equipment.
Biofilms, which are biological growths that become attached to the discs, assimilate the organic materials (measured as BOD5) in the wastewater. Aeration is provided by the rotating action, which exposes the media to the air after contacting them with the wastewater, facilitating the degradation of the pollutants being removed.
EPS is found in the matrix of other microbial biofilms such as microalgal biofilms. The formation of biofilm and structure of EPS share a lot of similarities with bacterial ones. The formation of biofilm starts with reversible absorption of floating cells to the surface. Followed by production of EPS, the adsorption will get irreversible.
Thermo Fisher Scientific's previous headquarters in Waltham, Massachusetts Thermo Fisher Scientific office in Canada. Thermo Fisher Scientific Inc. is an American life, science and clinical research company.
United Rentals, Inc. is an American equipment rental company, with about 16 percent of the North American market share as of 2022. [4] It owns the largest rental fleet in the world with approximately 4,700 classes of equipment totaling about $19.3 billion in original equipment cost (OEC) as of 2022. [5]
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