Question

leahing/ landfills

Answer 1

Leachate are harmful undesirable matter from industrial wastes , a liquid composition that present as part of waste in a landfill which undergoes percholtionnwith the aid of rainwater and decomposition of organic material with the aid of bacteria and fungi.It can be used as renewable energy which buried under the soil,decomposes and produce gases such as methane.Landfill leachate varies based on waste and dissolved material.Landfill leachate contain dissolved organic material,inorganic macrocomponents, heavy metals and xenobiotic organic compounds. Soluble chemicals and minerals are drained away from soil with the help of percholating liquid such as rainwater. Leaching involves three steps. Contact , seperation and extraction.Health risks are their in the people living near landfills and may lead to allergic reaction and health hazard such as lung cancer.Leaching helps to prevent high concentration of hazardous ions,NO3 in  drinking water and high salinity.