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THE CONDITION OF AERATION TANK DURING STABILISATIONĭ. The objective was achieved within 120 days. The condition of Aeration chamber with respect to foam formation is shown below. Initially it took very longer period for acclimation of the bacteria and then gradually load reduction started taking place. We diluted the raw efDluent with 50% fresh water and our product NatureVel®-MB.We started slow feeding of the premix, while observing the behaviour of added culture.Ĭ. The total waste generation from the process was 2000lit per day at the time we took over the plant. Thus, the right environment was created for proper maintenance of aerobic condition.ī. As per our calculations the air volume was less and air distribution system was not proper. Ensure proper reduction of load in the plant within the existing plant with minor changes. INITIAL CONDITION OF THE PLANT WITHOUT ANY BACTERIAL GROWTHĪ. The management tried their level best to commission the plant, but were unable to maintain proper biological system.įinally, they requested Clover to take up the challenge of managing the complicated waste water with the help of our ‘Engineered Bio-Solutions’. The plant was running with no appreciable load reduction. The initial BOD and COD values were 25,000 ppm and 11,000ppm respectively. Ester, Low molecular weight polymer of the ester.Hence the following chemicals are present in the efDluent water during the whole process and have very strong chemical odour and hard to break down. After completion of esteri Dication process, polymerisation takes place by applying vacuum through the column condenser at more or less 200☌. During esteri Dication reaction water is collected from the reaction vessel by column condensation which is mainly theef Dluent water. The basic reaction process is esteriDication between Diacid (PTA, IPA or TMA) with Diols (NPG, MEG, MPD or TMP) followed by polymerisation of the ester. Glycols (viz., Neo pentyl Glycol, Mono Ethylene Glycol, Mono Propylene Diol, Trimethylol Propane etc.).The Company is manufacturing polyester resin and the raw materials used for production of polyester resin are as follows: RATIONAL: The plant has a capacity of only 6 m 3/day consisting of Premix tank, three stage aeration and three stage Settler followed by Filtration System.