The Necessity of Develop Circular Economy

At the monent, with the accelerated process of urbanization, the construction waste also follow, the number of construction waste in China has accounted for 30% to 40% of the total municipal waste. Recycling rates in many cities in China has reached about 80%, such as: Hong Kong, Taiwan is not backward, which reaches 50%, and most cities in China, construction waste recovery rate of about 5%, this form is not optimistic. Most of our construction waste is not subject to any treatment construction units will be shipped to the suburbs or rural areas, to be stored in the open air or landfill processing, consume large amounts of land acquisition costs, construction trash funding, at the same time, removed and stacked Yisa and dust, gray sand flying and other issues in the process has caused serious environmental pollution. Construction waste resource utilization direction of development is the cause of our construction waste.

With the continuous improvement of the life, in order to live better, "low-carbon, environmental protection" these words have been deeply integrated into our lives," circular economy "does not fall, it will be more profound enjoys popular support. "Circular economy", proposed in the 1960s by the U.S. economist, in the system of the people, natural resources and science and technology, in the investment of resources, production, consumption and its waste products ( such as the waste produced by the impact breaker) in linear growth in the economy of the traditional dependence on resource consumption, into economic development rely on eco-resources cycle. The circular economy traditional resources → → waste emissions "open loop economic system into a the economic resources → → Waste → recycling" closed loop system, to change the traditional way of thinking, ways of production and life way. Rational use of resources and environmental protection, and gradually achieve "zero emissions" or "micro-emissions. It requires the whole community to take advantage of favorable resources, vigorously develop the circular economy, and enhance the awareness of environmental protection, promote resource consumption reduction, and repeated use, waste treatment and recycling these measures which are useful to the enviroment .

According to the various situation in our country, in the light of the foreign views , we need to resource utilize the construction waste in line with the local conditions through scientific methods and rigorous management systems,  thus both  solving the environmental problems,and creating social wealth, that is the so-called "kill two birds with one stone", only in this way,  our construction waste disposal work can set foot on the road of economic recycle development.

 

original link: http://1605175092kara.blog.com/

Mobile crusher : http://www.mine-crusher.com/mobile-crusher.html
Rotary kiln : http://www.best-crushers.com/rotarykiln.htm

posted @ 2012-09-18 13:57  kara liu  阅读(154)  评论(0编辑  收藏  举报