Research
A Laboratory Scale Prodution Method of Raw Manganese (II) Sulphate from Waste used Alkaline Batteries
This experimental project deals with the laboratory scale production method of raw manganese (II) sulphate from waste used alkaline batteries. The Batteries have wide range of applications which includes automobile, household, industrial, electronics, mobile gadgets etc. There are many types of Batteries like alkaline battery, zinc carbon battery, lead acid battery, nickel cadmium battery, lithium battery etc. In UAE, millions of products using the lead acid batteries and alkaline batteries. The batteries are exhausted, after many recharge cycles. These waste used batteries are disposed to atmosphere and makes many environmental pollutions. This experimental research project explains how to synthesis Manganese (II) sulphate from these waste batteries by simple method in lab scale with step by step. Because, MnSO 4 has lots of uses and can be produced from these waste batteries. It is one of the great business idea for Chemical Engineers in the present and future UAE industrial sectors.
Study on Enzyme Activity in the Production and Optimization of High Temperature Alkaline I-Amylase Enzyme by Bacillus Lichenoformis using Low Cost Medium Derived from Agricultural Byproducts
Production of α-amylase enzyme by Bacillus Lichenoformis using stirred tank fermentor (BIOSTAT – E) was carried out. The strain was obtained from National Chemical Laboratory, Pune, India. Corn starch is used as the substrate. The enzyme production was studied by changing the various parameters like temperature, pH, rpm and substrate concentration. The enzyme activity shows maximum at a temperature of 350C – 370C, pH 8 and 300 rpm. The maximum enzyme production was achieved, for 1% concentration of cornstarch at 35.60C and pH 9 using the fermentation medium contains yeast extract and peptone and the enzyme activity was found to be 55.93 DUN/ml. Since the cost of yeast extract and peptone is very high, so the further work was done using some low cost carbon and nitrogen sources like defatted cotton seed, defatted soya flour and mustard seed which are extracted from agricultural byproducts. The enzyme activity for using the low cost medium was found to be nearly triple such as 121.49 DUN/ml. The enzyme production reaches the steady phase at 24 hours. So it is highly recommended that using the low cost medium for the α-amylase enzyme gives better biomass cell concentration and enzyme activity as well.
Study on Cell Concentration in the Production and Optimization of High Temperature Alkaline I-Amylase Enzyme by Bacillus Lichenoformis using Low Cost Medium Derived from Agricultural by products
Production of α-amylase enzyme by Bacillus Lichenoformis using stirred tank fermentor (BIOSTAT – E) was carried out. The strain was obtained from National Chemical Laboratory, Pune, India. Corn starch is used as the substrate. The enzyme production was studied by changing the various parameters like temperature, pH, rpm and substrate concentration. The biomass cell concentration shows maximum at a temperature of 350C – 370C, pH 8 and 300 rpm. The maximum enzyme production was achieved, for 1% concentration of cornstarch at 350C and pH 8 using the fermentation medium contains yeast extract and peptone and the cell concentration was found to be 2.882 gm dry weight/lit. Since the cost of yeast extract and peptone is very high, so the further work was done using some low cost carbon and nitrogen sources like defatted cotton seed, defatted soya flour and mustard seed which are extracted from agricultural byproducts.
Nitrification of Fish Processing Waste Water using Mixed Cultures of Nitrosomonas and Nitrobactor for Ammonia Degradation (Phase-I)
The present study aims at nitrification of fish processing wastewater using mixed cultures of nitrifying bacteria, Nitrosomonas and Nitrobactor. Parameter optimization of the process is done by using Response Surface Methodology (RSM). Central-Composite design is used to optimize the various parameters for nitrifying cultures. The process parameters namely, the pH, temperature, microbial load and effluent concentration are optimized. Optimized values are obtained from the second order polynomial equation that resulted from the Central-Composite design. The physical - chemical characteristics of fish processing wastewater are presented. Their values show the alkaline nature and high levels of COD and BOD values. The capability of the various models, namely, Logistic, Monod, Herbert, Shehata & Marr, Tessier and Haldane models in representing the batch kinetic data of the present work are reported for mixed nitrifying cultures, while Logistic model is best suited in describing the nitrification of the fish processing waste water. Experimental data collected in a Rotating Biological Contactor using mixed culture, operated on a batch basis for twenty two days with an average organic loading rate of 150 mg/L of ammonia at 20 rpm are reported for every twenty four hours. The future research is proposed for the nitrification of waste water using isolated nitrifying organism from soil for ammonia degradation.
Prediction of Volumetric and Viscometric Properties of Acetophenone a Ethylchloroacetate Binary Mixture At 303K & 323K with Different Model Analysis
In this present investigation the volumetric properties and viscosity of the acetophenone ethylchloroacetate liquid binary mixture were determined. The properties were found as a function of mole fraction and at a temperature of 303 K and 323 K. The excess molar volumes and ultrasonic velocity are also determined. It is used to predict the intermolecular […]
