Ground water samples collected from different locations in and around Varahanathi River in Periyakulam district were analyzed for physico-chemical parameters such as temperature, Total hardness, P H , TDS (Total Dissolved Solids), Electrical conductivity, Calcium (Ca), Magnesium (Mg),Sodium(Na),Potassium(K)andChloride(Cl). Based on the multitudinous experimental results, it is arrived the conclusion that the adjoining ground water sources are terribly affected and the water becomes very salty with very high TDS and it is unfit for drinking purpose and some suitable treatments are necessary so as to keep the values of some parameters among fascinating limits of BIS standards for drinking water. Hence the polluted water is suggested to treatment process. The water treatment may carried initially by using RO system and later it will be treated by suitable modern methods like solar treatment, electro dialysis process, etc
Biochemical Methane Potential (BMP) analysis provides a measure of the anaerobic biodegradability of a given substrate. BMP test is also used to evaluate the potential biogas (methane) production between various Co-digestion substrates. This test is also used to determine the amount of organic carbon in a given material that can be an aerobically converted to methane-Biogas. Studies were carried out for the production of biogas from the leather solid waste. Co-digestion (simultaneous digestion of two or more substrates) studies were carried out in batch reactor using the fleshing (a solid waste generated during the processing of raw hides or skins into finished leather) along with the fruit and vegetable waste at mesophilic condition 35 0 C). The anaerobic methanogenic seed sludge prepared separately followed by standard BMP test, which was used as the seed inoculums. Recent research on this topic is reviewed in this current paper.
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