Biological significance of water
Some biological importance of water are; 1. Water as Biological solvent: Water is excellent solvent for polar substances. These includes ionic substances like salts, which […]
water microbiology
Sewage treatment; Process of wastewater treatment
Wastewater treatment The purpose of waste water treatment is to remove contaminant from water so that the treated water can meet the acceptable quality standard. […]
Wastewater; Industrial effluent and domestic sewage
Wastewater There are two broad categories of waste water on the basis of their origin. They includes sewage and industrial effluent. Sewage is waste water […]
Bacteriological water analysis
Method of water sample examination Microbiological or bacteriological analysis of water is performed in 2 steps: Step I: Water sample collection: Collection of water sample […]
Physical, chemical and Biological characteristics of sewage
Characteristics of sewage I. Physical characteristics of sewage: 1. Temperature: Temperature of sewage depends upon season. However temperature is slightly higher than that of ground […]
Most probable number (MPN) method for counting coliform
Most probable number (MPN) method for counting coliform MPN method utilizes 3 set method or 4 set method for counting coliform in water. However three […]
Steps of water purification process
Steps of water purification process Detail step and methods of water treatment depends on nature of raw water and required standard of water quality. General […]
Eutrophication: undesirable effects and control measures
Eutrophication: undesirable effects and control measures Enrichment of water system with plant nutrients such as nitrate and phosphate is known as eutrophication. The word eutrophication […]
Water quality criteria/ Parameter of water quality
Water quality criteria/ Parameter of water quality Quality of water is determined by its physical, chemical and biological parameters. I. Physical parameters of water quality […]
Chemical parameters of water quality/ Chemical characteristics of water
Chemical parameters of water quality/ Chemical characteristics of water These are some chemical aspects of water quality that helps to determine whether water is polluted […]