biological oxygen demand


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Related to biological oxygen demand: Dissolved Oxygen

biological oxygen demand

[¦bī·ə¦läj·ə·kəl ′äk·sə·jən di′mand]
(microbiology)
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5 Alkalinity (mg/l) 2,000 Total hardness (mg/l) 440 Calcium (mg/l) 380 Magnesium (mg/l) 280 Chlorides (mg/l) 7,384 Dissolved oxygen (mg/l) Nil Biological oxygen demand (mg/l) 8,410 Total solids (mg/l) 88,610 Total dissolved solids (mg/l) 67,285 Table 2: Physicochemical characteristics of different day of partially treated distillery leachate.
1) Wastewater is collected from PMs 1 and 2 in a reactor vessel where organic contaminants (measured as biological oxygen demand over a 5-day period, or BO[D.
In all estuaries, the biological oxygen demand (BOD) is an important part of the ecosystem.
It will also aid in the reduction of biological oxygen demand by adding air, and help reduce our total suspended solids by removing some of the heavier materials from out effluent.
a $36-million secondary effluent treatment system which treats effluents from the kraft and thermomechanical pulp pump mills, reducing biological oxygen demand, chlorinated organics and toxicity in the Kaministiquia River
Water and wastewater treatment plants can more efficiently control pH, biological oxygen demand (BOD), dissolved organics and odors with high-performance, environmentally-friendly gas injection systems from Linde North America, featured at WEFTEC 2012 in New Orleans, October 1-3.
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.
Analytical instrument vendors at the show exhibited a fairly narrow range of technologies, focused on molecular spectroscopy and, especially, electrochemical techniques including dissolved oxygen meters, biological oxygen demand and chemical oxygen demand analyzers, nutrient analyzers (nitrates, nitrites and ammonia), total organic carbon analyzers (TOC), pH and ion selective meters and electrodes, conductivity and resistivity meters, and assorted portable and fixed gas analyzers devoted to worker safety.

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