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Membrane bioreactors are combinations of membrane processes like microfiltration or ultrafiltration with a biological wastewater treatment process, the activated sludge process. These technologies are now widely used for municipal and industrial wastewater treatment. [ 1] The two basic membrane bioreactor configurations are the submerged ...
A rotating biological contactor is a type of secondary (biological) treatment process. It consists of a series of closely spaced, parallel discs mounted on a rotating shaft which is supported just above the surface of the wastewater. Microorganisms grow on the surface of the discs where biological degradation of the wastewater pollutants takes ...
Moving bed biofilm reactor. Moving bed biofilm reactor ( MBBR) is a type of wastewater treatment process that was first invented by Professor Hallvard Ødegaard at Norwegian University of Science and Technology in the late 1980s. [ 1] The process takes place in an aeration tank with plastic carriers that a biofilm can grow on.
August 11, 2024 at 11:07 AM. Scams asking people for personal information to fix their voter registration are rising. Bloomberg Creative/Getty Images. Officials are warning about voter ...
Wireless identity theft is a relatively new technique for gathering individuals' personal information from RF-enabled cards carried on a person in their access control, credit, debit, or government issued identification cards. [ 6] Each of these cards carry a radio frequency identification chip which responds to certain radio frequencies.
The FBI Internet Crime Complaint Center (IC3) received more than 101,000 reports of scams and fraud against people ages 60 and older in 2023, causing seniors to lose over $3.4 billion. And those ...
Wiz CEO Assaf Rappaport said the company would now focus on an initial public offering, as it had planned earlier, and aims to achieve an annual recurring revenue of $1 billion. "Saying no to such ...
Decentralized wastewater systems (also referred to as decentralized wastewater treatment systems) convey, treat and dispose or reuse wastewater from small and low-density communities, buildings and dwellings in remote areas, individual public or private properties. [ 1] Wastewater flow is generated when appropriate water supply is available ...