Solid waste means any garbage, refuse, residual, sludge from sewage, waste from factories, mills, commercial processes and other discarded materials from different sources. We can spot piles of waste rotting away everywhere we go, they rot and leave behind toxic discharge and foul smell. They don’t destroy our landscapes, ruin our rivers, lakes, and other water bodies. Landfills are used to obscure this waste, but for how long can you bury the waste by digging holes in the ground? It takes lots of area for creating one landfill and people have to evacuate the surrounding area because of the health hazards. With incalculable metric tonnes of solid waste being produced each day it is logically impossible to create landfills incessantly or we will no longer have land to live.Clean village is no longer true because trash has overcome the rural-urban divide very successfully.
Solid Waste Management reduces or eliminates the adverse impact on the environment & human health.
A number of processes are involved in effectively managing waste. These include monitoring, collecting, transporting, processing, recycling, and disposal. The quantum of waste generated varies mainly due to different lifestyles, which is directly proportional to the socio-economic status of the urban population.
Some treatments of solid waste include Thermal treatment where the waste is incarcerated and converted into carbon dioxide, water vapor, and ash. Also labeled Waste to Energy (WtE) method, it is a means of recovering energy from the waste.
Another process is Pyrolysis where the waste is treated in the absence of oxygen and in deficiency of air. Biological treatment methods: This involves using microorganisms to decompose the biodegradable components of waste. Landfills and open dumping are also practiced on a wide scale which involves dumping waste in open areas and landfills are big craters that are filled with waste and covered.
However, an effective method for waste treatment is 3Rs which are ( reduce, reuse, recycle) and also other eco-friendly methods that are being created with the advancement of technology.