Cod Analyzer - Portable Microprocessor Based Instrument For Rapid Measurement Of Chemical Oxygen Demand In Effluent Water, Reduces Analysis Time And Chemical Usage

Chemical Oxygen Demand
(COD) is a term used to measure the quality of effluent water. It is
a measure of water pollution resulting from organic matter and is
being extensively used by industry to test their waste water before
releasing it to the environment.

Though there are many
chemical methods of analysis for this purpose, they are both time
consuming and require quite a large amount of sample &
correspondingly large amount of reagent chemicals most of which are
highly toxic and carcinogenic.

In view of the stringent
pollution control norms there is an urgent need for a fast and cost
effective analytical instrument to keep track of the effluent water
at different stages of its treatment process. To meet this demand by
chemical industry, United Phosphorus Ltd. has come out with a
portable and microprocessor based instrument for the measurement of
COD in effluent water. The instrument cuts down the analysis time
from the present four to five hours to less than two hours. It
requires ten times less sample and correspondingly less amount of
chemical reagents cutting down the cost of analysis by ten times. The
instrument is based on non-dispersive absorption spectrometry and is
moderately priced and is being marketed by United Phosphorus Ltd.