Garbage Disposal

source：http://www.almutawa.com.sa/Contracting.html

Garbage disposal is to quickly remove, harmlessly treat and then reasonably use garbage. The garbage disposal method is widely used in sanitary landfill, high temperature composting and incineration. The purpose of garbage disposal is reduction, harmlessness and resource.
Due to the complexity of the components of urban waste and the level of economic development, energy structure, natural conditions and traditional habits, different areas often use different approach to garbage disposal. It is difficult to have a unified standard, but reduction, harmlessness and resource are always regarded as waste treatment goals. Overall, the world garbage treatment has the following trend: First, due to the limited energy and land resources in the industrial developed countries, the proportion of incineration gradually increased; Second, as an approach to final disposal of waste, landfill has been always occupying a large proportion of garbage disposal approaches in the world; Third, most agricultural developing countries adopt high temperature composting as their major garbage disposal method; Finally, there are also some new technologies, such as thermal solution, reclamation and heap mountain landscape, but most of them are still in development.

source：http://benedictfamily.org

Refuse classification is the very first step of garbage disposal. According to the different processing methods, the cost of different garbage disposal approaches are different, usually from hundreds to thousands of dollars a ton. Currently, Australia and Japan are two model countries of garbage classification popularization. Other countries are still in progress or even just started.