But in develop, ing countries like India, the municipal wastes are kept in certain dump land sites. The solid urban waste is commonly known as refuse. academic writing help learn higher Digested sewage sludge heavy application of manure to soil, causes chronic salt hazards to plants. The term solid waste sometimes includes liquid wastes also. For example, during mining of metal ores, huge quantities of earthen materials, rocks and other wastes are created.
When a healthy person comes in contact with infected soil, the virus enters into the body through macerated skin or mucous membrane to cause leptospirosis. Also, these may be bio-degradable or non-bio-degradable. best website to get essays for you Drop files here or. The accumulated radioactive wastes enter into food chain by coming into aquatic system and finally enter into living organisms.
A well-engineered landfill is lined by some non-porous barrier of clay, granite or any synthetic source. The soil is residence of a number of bacteria, fungi, algae, protozoans, actinomycetes, nematodes, rotifiers etc. help on writing a personal statement graduate Many pesticides and herbicides are applied by aerosol spray and find their way into the soil. A number of useful products can be obtained from the solid wastes. Burning of biogases provide a lot of thermal energy which may be used in a number of ways to solve acute energy crisis of modern society.
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These chemicals may have significant effects on plants and animals, causing a disruption in species composition of communities. The dumping of waste including building materials sludge, dead animal skeleton and thrown away garbage at public places causes a lot of problems in daily life. Now let us discuss the effect of land pollutants from different sources on man, animal and vegetation. Huge quantities of unwanted material cause serious disposal problems. Many pesticides and herbicides are applied by aerosol spray and find their way into the soil.
The furnace heats the boilers and the steam evolved is sold to industry for running turbines to produce electricity. Since radioactive wastes are produced in huge quantities and these have high activation energies, these cause a number of hazards to public health system. Waste products in natural system are broken by decomposers and converted to a form to be used by other organisms in the eco-system.
When vegetables contaminated with 0. Depending upon the nature of solid wastes, these are divided in to the following categories: The production of biogas from cow dung, Cattle dung and numerous organic wastes is done by the action of large varieties of micro-organisms in a synchoronised manner in a biogas unit. The industries like textiles, paints, dyes, soap and synthetic detergents, tanneries, drugs, batteries, cement, asbestos, rubber, petroleum, paper and pulp, sugar, steel, electroplating and metal industries release harmful effluents in soil and water creating hazards in living world. The accumulated radioactive wastes enter into food chain by coming into aquatic system and finally enter into living organisms.
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Introduction of radioactive substances into human body through food causes diseases of digestive track. The solid wastes containing vegetables, plant leaves, animal and human wastes etc. research paper buy vera The collection and clearance of municipal wastes from various collection sites are not performed regularly in most of the cities. In addition to farm wastes, use of excessive fertilizers, pesticides, herbicides, weedicides and soil conditioning agents, induces land pollution to a greater extent. Some industrial wastes also contain pathogenic bacteria, which cause significant health hazards.
More satisfactory is controlled tipping or the sanitary landfill, which is recently adopted in Delhi for solid waste disposal. Certain fungi and actinomycetes present in soil cause most serious subcutaneous and systemic mycoses. expert assignment writing engineering The presence of excess of MPK fertilizers declines protein contents of corn, maize, gram and wheat crops and also favours the degradation of carbohydrates and proteins. Also, these may be bio-degradable or non-bio-degradable.
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USA alone produces about 18 million tonnes of agricultural wastes every year. Thus huge quantity of waste mining materials is created which not only occupy valuable land surface but also create nuisance due to the presence of toxic chemicals. Such type of mixing, damages crop and decreases crop production and soil fertility. According to Berry , improper disposal of solid wastes create conditions for a wide range of diseases such as cholera, typhoid, hepatitis, conjunctivitis, entamoebiasis, poliomyelitis, round worms, hook worms, and many more. The production of biogas from cow dung, Cattle dung and numerous organic wastes is done by the action of large varieties of micro-organisms in a synchoronised manner in a biogas unit.
The main constituent of biogas is methane which can be used for energy production. More number of transfer stations may be constructed at different place of a city so that the waste could be taken away to the nearest stations for ultimate disposal after cramming. Urban wastes include both commercial and domestic wastes consisting of dried sludge of sewage. A sanitary land fill provide a safe and effective means of waste disposal.
One limitation of this method is that it causes environmental air pollution which can be avoided by suitable air pollution control technique. These chemicals may have significant effects on plants and animals, causing a disruption in species composition of communities. However, rapid urbanization, agricultural modernization and industrialization have resulted in a number of complex inorganic and organic byproducts which are non-biodegradable or persistent resulting in the disruption of natural eco-system.