Improper Wastewater Management
Increasing anthropogenic and industrial activities with improper wastewater management strategies are the major causes of elevated levels of pollution in water bodies, a serious environmental challenge globally. The release of water loaded with organic compounds and inorganic chemicals such as phosphates and nitrates in water bodies, causes eutrophication. In the present scenario, algae seem to be the possible solution with various advantages and eco-friendly nature. Algae are photosynthetic organisms found in marine, brackish and freshwater environments. They are able to serve multiple roles, remediation of wastewater as well as generating biomass for biofuels production with concomitant carbon dioxide sequestration. In addition, wastewater …show more content…
This residual waste majorly comprises of solids with organic and inert in nature. Wastewater coming out of kitchen, bathroom, washing clothes etc. is known as grey water and from toilets is called as black water. The factors which contribute to variations in characteristics of domestic wastewater are daily per capita consumption of water, quality of water supply, condition and extent of sewerage system, and most important is habits/living standard of people. Composition of municipal sewage, which usually contains both domestic and industrial wastewater, may differ from place to place depending upon the type of industries and industrial establishment. Depending upon their origin, wastewater can be classified as sanitary, commercial, industrial and surface run …show more content…
These are mainly comprised of COD, BOD, heavy metals, chlorinated organic compounds, mineral oil, phenols, sulphates, mineral acids, salts etc. Broad classification of industrial effluents includes; a) inorganic industrial wastewater i. e. wastewater from steel or iron industry majorly constitutes settable metal particles which could be easily removed through sedimentation/gravimetric method. Wastewater recovered from Blast Furnace usually comprising of dissolved CO2, cyanides and compounds of alkali earth metal. Wastewater from rolling mills composed of mineral oil as a major portion. b) Organic industrial wastewater i. e. wastewater from organic industries comprising of high carbon compounds, metallic ions, charcoal, organic compounds such as steroids, fermentation waste, etc. Some of the common industries responsible for such waste products are pharmaceutical, fertilizer industry, food and beverages industries, leather and textile industries
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Explain The Principles Of Nutrition And Food Safety
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