Question

solid waste management ir bioremediation

Answer 1

Bioremediation is a process used to treat contaminated media, including water, soil and subsurface material, by altering environmental conditions to stimulate growth of microorganisms and degrade the target pollutants. In many cases, bioremediation is less expensive and more sustainable than other remediation alternatives.Biological treatment is a similar approach used to treat wastes including wastewater, industrial waste and solid waste.
Most bioremediation processes involves oxidation-reduction reactions where either an electron acceptor (commonly oxygen) is added to stimulate oxidation of a reduced pollutant (e.g. hydrocarbons) or an electron donor (commonly an organic substrate) is added to reduce oxidized pollutants (nitrate, perchlorate, oxidized metals, chlorinated solvents, explosives and propellants). In both these approaches, additional nutrients, vitamins, minerals, and pH buffers may be added to optimize conditions for the microorganisms. In some cases, specialized microbial cultures are added (bioaugmentation) to further enhance biodegradation. Some examples of bioremediation related technologies are phytoremediation, mycoremediation, bioventing, bioleaching, landfarming, bioreactor, composting, bioaugmentation, rhizofiltration, and biostimulation.
Bioremediation is an alternative way to manage or to degrade the waste. It is eco-friendly and much cost effective as compared to other traditional technique such as incineration. The main purpose of this paper is to pay more attention towards bioremediation. This paper outlines the different processes of bioremediation, their limitation and the process to remove different heavy metals, and other waste which is harmful to human beings. When metals are treated with microbes it get accumulated or attached on microbial membrane. And after that it can be extract from microbes through cell fragmentation.

Answer 2

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Bioremediation means to use a biological remedy to reduce or clean up contamination.

Microbes are often used to remedy environmental problems found in soil, water and sediments.