Renewable energy can be defined as the energy obtained from natural sources or processes that are replenished continuously. Thus, renewable energy resources are not going to deplete after usage.
The water treatment process improves the quality of the water. Thus the treated water is more acceptable for some specific end uses such as drinking, irrigation, industrial water supply, or safe removal to the environment.
Heat exchangers are designed to exchange heat between two or more fluids. The heat transfer process can be liquid to liquid, liquid to gas or gas to gas. Depending on the type of heat exchanger, fluids may be separated or directly contacted.
Solid waste is the unwanted, discarded solid materials which arise from human or animal activities. Solid waste management is the process of collecting, transporting, and treating solid waste. This waste generates from industrial, commercial, or residential operations.