Tenders are invited for Supply, Demonstration And Commissioning Of Digital Chemical Oxygen Demand
High phosphorus and chemical oxygen demand
(COD) levels in rivers, which are the main source of drinking water for the Korean population, are further contributing to the demand for water purifiers.
The effect of WASRA System was evaluated through four parameters which are Chemical Oxygen Demand
(COD), Biochemical Oxygen Demand
(BOD), manganese and ferum.
As it has a high chemical oxygen demand
, it is considered a major pollution problem for the dairy industry.
According to Ravinder Kaur, project director at IARI, the mechanism cleans the waste water by 99 per cent, biological oxygen demand
( BOD) by 87 per cent, nitrates by 95 per cent, sulphates by 90 per cent and heavy metals like iron by 99 per cent, chromium by 85 per cent and lead by about 81 per cent.
He said that a flying bumblebee has an oxygen demand
roughly 15 to 20 times that of an elite athlete, yet in their experiments they meet this demand in spite of a greatly reduced supply.
Domtar failed to adhere to the regulatory limits for biochemical oxygen demand
(BOD) and thereby deposited effluent that was deleterious to fish, contrary to the Fisheries Act.
Suspended sediment (SS) and chemical oxygen demand
(COD) parameters were found higher during the wet season.
At full operation, the new polypropylene media will host the microorganisms that, in stage one, remove carbonaceous material such as COD and BOD (chemical oxygen demand
and biochemical oxygen demand
PetroChina and Sinopec failed to meet targets for reducing "chemical oxygen demand
," a measure of pollutants released into rivers and other bodies of water, the Ministry of the Environment announced.
The finished MBBR systems will reduce biochemical oxygen demand
(BOD) and nitrification.
Hyperpermeable rigid lens materials have been available for many years and silicone hydrogel lenses appear to more than meet the corneal oxygen demand