Many developing countries are encouraging for the installation of biogas plants to meet out the demand of fuel. India is one of the pioneer countries in biogas technology. U.P. Government in the years 1957 and 1960 established a permanent station named 'Gobar gas Research Station' at Ajitmal in Etawah district. There are many other institutions where research and development programmes [...]
In this article we will discuss about some examples of leaching. 1. Copper Leaching: Copper leaching is practical, feasible and in use throughout the world for many years. In this process, the leaching solution contains sulphate and iron carries the microbial nutrients in and dissolved copper out. The copper containing solution is precipitated. About 5-6% of the world copper production [...]
In some countries (particularly in third world) wastes (solid as well as liquid) are the major source of pollution due to generation in large quantities, and pose environmental problems. Wastes generated after biogas production in the form of slurry, used as compost for agricultural fields. The human and animal excreta are used for biogas production. The 'Integrated Health and Energy [...]