Determination of bod and cod pdf

Cod can be related empirically to biochemical oxygen demand. Biochemical oxygen demand bod bod is an empiric laboratory assay which measures the amount of organic matter contained in a water sample. Determination of bod and cod free download as word doc. Pdf determination of biochemical oxygen demand bod without. Biochemical oxygen demand bod and chemical oxygen demand pdf. Pdf the biochemical oxygen demand bod is one of the most widely used criteria. Determination of biological oxygen demand bod in waste. Determination of bod, cod, do and other physicochemical properties of sugar and cement industries. Pdf multivariate statistical analysis between cod and. Bod, chemical oxygen demand cod, total organic carbon. Determination of bod and cod chemical substances chemistry. The siphon hose must be made of surgical gum latex rubber, polypropylene or polyethylene to avoid introducing bod into the dilution water. Determination of biological oxygen demand bod in waste water determination of the biochemical oxygen demand bod in polluted waste water as a pollution indicator by incubating the bod bottles for five days at 20 degree c. The determination of wastewater quality set forth in environmental permits has been.

Correlation between biochemical oxygen demand and chemical. Pdf determination of bod, cod, do and other physico. Pdf determination of bod, cod, do and other physicochemical. Bod and cod in water are related to the organic part of wastewater, and. Cod determination takes less time than the biological oxygen demand test. Pdf methods for assessing biochemical oxygen demand bod.

Cod is recommended where the polluted water has toxicity and organic matter cant be determined by biological oxygen demand and useful in water effluent treatment plants. Cod chemical oxygen demand is the amount of oxygen required to degenerate all poution in a chemical way by adding oxidising agents and heating. Biochemical oxygen demand environmental protection agency. Bod and dissolved oxygen do sag curve samir kumar khanal, ph. Difference between bod and cod definition, test method. Estimation of biochemical oxygen demand based on dissolved.

Journal of chemistry oxygen demand cod, bod5 or dissolved organic carbon. Bod under certain conditions and by determining the cod, the information about the bod of. Bod primer page 4 of 61 biological background of all bodn determinations the primary difference between bodn determination and other measurements such as ph, conductivity, oxygen, cod, nitrate, etc. Multivariate statistical analysis between cod and bod of sugar mill effluent article pdf available january 2012 with 1,648 reads how we measure reads. Pdf wastewater was collected from the sugar and cement industrial area situated in north karnataka. In general with chemical destruction you can remove more polution than with the biological way. Each bod bottle is filled by slowly adding sufficient dilution water so that the stopper can be inserted without leaving an air bubble but not so much that there is overflow. The bod electrode method is suitable for determining the bod of water and wastewater.

Chemical oxygen demand for various wastewater treatment. Estimation of biological oxygen demand and chemical. Cod is estimated to be a more useful parameter than bod, but from a modeling standpoint, cod cannot differentiate between biodegradable and inert organic. Determination of bod, cod, do and other physicochemical properties of sugar and cement. Pdf biochemical oxygen demand bod is a generalized parameter.