What is a leachate quizlet?
leachate. a liquid that has passed through compacted solid waste in a landfill. it forms when water seeps down through a landfill and collects dissolved chemicals from decomposing garbage. source deduction.
What is leachate and why is it a concern quizlet?
Leachate refers to rainwater contaminated as it percolates through the solid waste of a landfill. When rainfall filters through landfills, it leaches toxic materials. Contaminated leachate can seep from the bottom of landfills and because of this, contaminated groundwater is a problem at some landfills.
What is leachate in solid waste management?
Definition. Leachate – formed when rain water filters through wastes placed in a landfill. When this liquid comes in contact with buried wastes, it leaches, or draws out, chemicals or constituents from those wastes.
What is the liner system?
Liner system . Liner system means a system of leachate collection and liner layers comprised of natural or synthetic materials installed between the subgrade and the waste for the purpose of containing the waste and collecting and removing leachate.
What is the difference between photodegradable and green plastic?
photodegradable plastic uses sunlight to degrade, while green plastic relies on soil bacteria in order to degrade.
What is leachate Mcq?
Answer: A liquid that has passed through com-seeps solid waste in a landfill.
Do you think leachate is harmful Why?
When landfill waste degrades and rain rinses the resulting products out,leachate is formed. The black liquid contains organic and inorganic chemicals, heavy metals as well as pathogens; it can pollute the groundwater and therefore represents a health risk.
What is leachate how it is formed?
Leachate? “The liquid formed when rain water filters through wastes placed in a landfill. When this liquid comes in contact with buried wastes, it leaches, or draws out, chemicals or constituents from those wastes”.
What is leachate and why is it a concern?
Leachate is normally a potentially highly polluting liquid because it contains high concentrations of dissolved and suspended organic matter, inorganic chemicals, and heavy metals18,20 as well as having both a high chemical oxygen demand (COD) and a high biological oxygen demand (BOD).
What is leachate and how is it controlled in a landfill?
Leachate can be controlled in lined landfills with leachate collection and storage systems. These systems typically include provisions for the drainage of leachate within the landfill and pumping the leachate to storage tanks. The stored leachate can then be trucked or pumped to a wastewater treatment plant.