activated sludge in a sentence
Examples
- After a public enquiry held at Manchester Town Hall on 23 August 1955, plans for the second Activated Sludge plant were finally approved.
- The total sludge production consists of the sum of primary sludge from the primary sedimentation tanks as well as waste activated sludge from the bioreactors.
- One disadvantage of using fine bubble diffusers in activated sludge tanks is the tendency of floc ( particle ) clogging the small air release holes.
- A second Activated Sludge plant was built between 1955 and 1966, and the control system on the first was upgraded between 1970 and 1973.
- High rate aerobic treatment processes like activated sludge plants, trickling filters, rotating discs, submerged aerated filters or membrane bioreactor plants require less space.
- Believing that the sludge had been activated ( in a similar manner to activated carbon ) the process was named " activated sludge ".
- PSM is stable in the atmosphere, but biodegradable in compost, wet soil, fresh water, seawater, and activated sludge where microorganisms exist.
- The plant was used in 1952 to test diffused aeration technology and a diffused-air activated sludge purification system has been in continuous use since.
- In 1960, the design of the Activated Sludge plant was changed to use the'Simplex'system rather than the bio-aeration process.
- A variant of the activated sludge process is the Nereda process where aerobic granular sludge is developed by applying specific process conditions that favour slow growing organisms.