secondary treatment उदाहरण वाक्य

Angioplasty or bypass surgery were often regarded as more costly, secondary treatment options, used only when drug therapies failed.
A similar problem occurs as BOD concentrations drop when low flow increases waste residence time within the secondary treatment bioreactor.
Foam separation has also been found to decrease the chemical oxygen demand when used as secondary treatment technique for wastewater.
These measurements allow engineers to adjust the flow rate of return sludge from the secondary clarifier into the secondary treatment reactor.
Sewage treatment systems experiencing holiday waste load fluctuations may provide alternative food to sustain secondary treatment ecosystems through periods of reduced use.

Due to the presence of subfoveal CNV some patients were given a secondary treatment, photodynamic therapy ( PDT ) for this condition.
Discharge of appropriate organic industrial wastes may be timed to sustain the secondary treatment ecosystem through periods of low residential waste flow.
It was built in 1963 as a primary treatment plant, it was then later uprated to secondary treatment between 1988 and 1993.
In sewage treatment plants, the majority of suspended solids and other contaminates are successfully removed after the primary and secondary treatment stages.
Modern treatment plants, usually using oxidation and / or chlorination in addition to primary and secondary treatment, were required to meet certain standards.