6 days ago · Water Technology provides water treatment professionals with news and information on industrial water and wastewater management topics including treatment, monitoring, storage, disposal and reuse.

Oct 1, 2013 · As mentioned, there are two commonly used process-loading ranges for operating activated-sludge systems. A "conventional-rate" process involves 5 to 15 days residence time, while an "extended aeration-rate" process has a slower, or lower, residence time of between 20 to 40 days residence time.

Sep 30, 2016 · BOD5. High effluent BOD5 concentrations can point to many issues such as an incomplete wastewater treatment because of organic overloading, low oxygen concentration and low hydraulic detention time.

Feb 27, 2015 · In wastewater treatment, ultrafiltration (UF) devices are used to recycle and reuse water that contains virtually no physical solids. Ultrafiltration definition, applications and industries using these process units are covered below.

Oct 13, 2010 · The pump motor cycles too often. Frequent cycling can shorten the lifespan of a pump. Because waterlogged tanks can contain stagnant water, there can be unsatisfactory coliform samples or taste and odor complaints.

Feb 6, 2024 · In the face of escalating environmental challenges and the surging demand for water resources, industrial wastewater treatment solutions stand at the forefront of global priorities. As the world grapples with population growth, urbanization and industrial expansion, the strain on water supplies intensifies, posing a threat to …

Dec 16, 2024 · The mass transfer device efficiency in this system is significantly lower than a typical distillation column because of the physical properties of water, the large relative volatility between water and Benzene, the low concentrations of Benzene in the column and a very high liquid-to-vapor ratio.

Jun 16, 2021 · Input from Other Experts . Input from the operation team, maintenance team, commissioning team and other major stakeholders is imperative. Often operators will ask for a specific filter/screen/strainer system in the inlet of a major unit, …

Apr 21, 2021 · The large valve-like discs mean that solids and rags can be handled without loss of pumping action. These discs have large seating areas that provide for low internal velocities, extending the pump wear life on abrasive sludges and slurries.

Oct 8, 2014 · In order to get the most accurate results, samples need to be collected properly. While every lab may have their own set of sampling standard operating procedures (SOP), there are some common best practices for collecting samples.