Tag: synthetic fibres and plastics

Activated sludge is about $97$% water. Sludge is the waste material produced by humans left during sewage treatment. Activated sludge process is the process of treatment of sewage and industrial waste. 

Incineration: A high temperature of above 1273K is required to convert the industrial, household and biological waste along with plentiful of oxygen supply into gases. Waste is converted into Carbon-dioxide and water 

Plasma is primarily an electrically charged or highly ionised gas. it produces temperature of $13000^0F$.
Waste molecular bonds are broken and the disposal provides renewable energy in plasma gasification.

Dumping or landfill focuses attention on burying the waste in the land. Dumping of waste is good for the soil as it contains compounds of nitrogen and phosphorous which acts as fertilizers.

Composting is a easy and natural bio-degradation process that takes organic matter i.e remains of plants, gardens and kitchen waste that turn into nutrient-rich food for the plants. it is usually used for organic farming by allowing the organic materials to sit in one place for months until microbes decompose it 

Recycling is a practice that refers to the collection and reuse of waste materials. The materials from which the items are made can be reprocessed into new products.
All the above are examples of Recycling.

Weeding is an important control method practiced in many crops. The removal of weeds is useful because these unwanted plants compete with the crop for space, water and nutrients.

Over the years, there have been various solutions proposed – diversion, burning, etc.; however, nothing to date has proven to be a truly effective or environmentally responsible solution to the burgeoning global landfill problem.