Introduction
Emission of the toxic substance by industries is common all over the world. Toxic substances are emitted daily by industries and anthropogenic activities. Toxic substances are categorized into three categories namely organic, inorganic and metallic compounds. Examples of organic, inorganic and metallic compounds are methane, sulfate and mercury respectively. There have been reports of these substances having negative effects on the environment. Substances like methane are responsible for increased atmospheric temperature. Sulfates affect soil. Sulfates combine with atmospheric water to form acid water. Acid water has a negative effect of soil and microorganism living in it. Mercury, on the other ...