Tag Archives: pH

Utilization of Diluted Distillery Spentwash as Liquid Fertilizer for Enhancing Soil Fertility (Published)

India is a major producer and consumer of sugar in the world. Effluent originating from distilleries known as spentwash. The aqueous distillery effluent, spentwash is a dark brown highly organic effluent. It is one of the most complex, troublesome and strongest organic effluent. A huge amount of spent wash has been produced by the distilleries in India whose disposal into water bodies or land causes a number of environmental problems. Now-a-days emphasis is laid on waste minimization and revenue generation through byproduct recovery. The distillery spentwash can be utilized in agriculture for irrigation purposes, as fertilizer, a source of renewable energy and as manure. Hence a laboratory study was conducted at Department of Agronomy, Annamalai University to know the quality (pH and EC) of effluents for the purpose of proper treatment and dilution of effluent before discharge into water or field. The various dilutions of spentwash and water was taken in a ratio of 1:0, 1:10, 1:20, 1:30, 1:40, 1:50. The pH and EC were analyzed using pH meter and electrical conductivity meter. The dilution of spentwash and water at a ratio of 1:0 (untreated) showed a pH of 4.2 and EC of 38 dS m-1 which indicated as acidic in nature. A ratio of 1:50 showed pH of 7.57 and EC of 33.45 dS m-1 which is neutral and it is used in agriculture as fertigation and also served as fertilizers without any adverse effects.

Keywords: Distillery Spentwash, Electrical Conductivity (EC), Fertigation and Eco-Friendly, Water Dilution, pH

Experimental Analysis of Chemical De-Emulsification Using Polymerization and Sulfonation Methods on Niger Delta Crude Oil (Published)

This technical paper evaluates the effects of salt concentrations and PH on water separation efficiency. The laboratory measurements were carried out on chemical de-emulsification using polymerization and sulfonation methods on the Niger Delta crude oil. Chemical de-emulsification was then carried out at the temperature of 65OC, using different salt concentrations for 120 minutes.  And the results depicts that water separation increases with decrease in salt concentration but increases with the PH of the solution. Also, Heavy Alkyl Benzene Sulfonated (HAS) and Linear Alkyl Benzene Sulfonated (LAS)  gave 90% and 88.3% of water separation respectively. PPA prepared by polymerization gave 75%. This shows that HAS is the best followed by LAS while PPA is the least in terms of water separation efficiency

Keywords: De-emulsification, Polymerization, Salt Concentrations, Separation Efficiency, Sulfonation., pH

EFFECT OF CARBON TO NITROGEN RATIO ON BIOGAS PRODUCTION (Published)

Various parameters such as concentration of slurry, pH, moisture, total solids, temperature, and C/N ratio are among the main parameters affecting biogas production. The carbon and nitrogen contents of various biogas feedstocks were determined using standard methods and the volume of biogas produced by the substrates were measured using the graduated gas cylinder. The results show that carbon to nitrogen ratio affects the volume of the generated biogas. The production of biogas depends to a large extent, on the choice of feedstock and its carbon to nitrogen ratio.

Keywords: Biogas, C/N ratio, Concentration, Feedstocks, Temperature, pH

Effect of Carbon to Nitrogen Ratio on Biogas Production (Published)

Various parameters such as concentration of slurry, pH, moisture, total solids, temperature, C/N ratio are among the main parameters affecting biogas production. The carbon and nitrogen contents of various biogas feedstocks were determined using standard methods and the volume of biogas produced by the substrates were measured using the graduated gas cylinder. The results show that carbon to nitrogen ratio affects the volume of the generated biogas. The production of biogas depends to a large extent, on the choice of feedstock and its carbon to nitrogen ratio.

Keywords: Biogas, C/N ratio, Concentration, Feedstocks, Temperature, pH