真人做人爱试看一

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          Sludge becomes a kind of clean energy

          Author: Taida machine       Release time:2016-08-19
          Reading guidance:If cities use sludge to make bio gas. Bio gas produced from sludge can almost meet the whole cities demand for cars. Bio gas mentioned above belongs to a kind of clean energy. We are in a situation whe
              If cities use sludge to make bio gas. Bio gas produced from sludge can almost meet the whole cities demand for cars. Bio gas mentioned above belongs to a kind of clean energy. We are in a situation where we lack of traditional energy both in the future and present. Therefore, the development of this kind of energy is very important. At present, Sweden has bio energy (bio gas) the set of mature technology, operation process is: from the city sewage discharge, through the city drainage pipeline to collect dirt, connect the xylem terminal by the sewage treatment station (Sailaimo) Company in water treatment system. After dehydration treatment, by the world's leading IVL (Swedish Institute of Environmental Science) technology will contain energy mud anaerobic digestion technology, through the efficient fermentation. Then by Mar Berg, the pressure of fuel gas purification, processing more than 98% purity. The final product can be put into the charging facilities, filling work with CNG natural gas as automobile. Basically can burn natural gas vehicles can this kind of bio gas combustion.
             Bus developed by Scania, in the combustion of this fuel gas more efficient. Ordinary vehicles 100 kilometers to 50 cubic meters of gas, Scania as long as about 40 cubic meters. At the same time to ensure that the maintenance and low maintenance cost. Actually, similar to the sludge solution scheme of energy, traffic, in Stockholm, Sweden, has been running for nearly 30 years, the earliest in the 80s of the last century has begun. At present, the Swedish capital public transport has basic bid farewell to the fossil energy. The Stockholm city has 100 million people, owns 13 buses. After the use of the entire system, reduce the 90% of the total carbon emissions.
             A year ago, xylem (Sailaimo) company, IVL (Swedish Institute of Environmental Science), malberg (Malmberg) Company and Scania this several in the field of modern bio gas application has a rich experience in the application of the Swedish enterprises and institutions, formed a joint group, through the cooperation with the Chinese side, to provide solutions for efficient and economical. Sweden's environment minister Lena leaves, Zhao Yingmin, director general of the Ministry of environmental protection science and technology standards division attended the signing ceremony.
             The program is combined with the rich experience of the whole bio gas industry chain in Sweden and the successful case of many cities.
            Swedish information technology and energy minister Anna - Karin Hart and recently emphasized, Switzerland and China in green energy and renewable energy cooperation has the very strong complementary sex, their experience in the related field is from each other and learn from each other.
          It is understood, Swedish national energy system in the existing a 51 percent renewable energy, is expected by 2050 can build a "carbon neutral" society. At the same time, the Swedish government is developing policies, to ensure that by 2030, all vehicles no longer need fossil fuels to drive.  
          Relevant data show that the current China waste water treatment plant sludge stabilization treatment facilities account for less than 25 percent of the total, which good treatment process and facilities more than 10%. This means China every year 100 trillion kwh of renewable energy is not used. In addition, using most of waste water sludge landfill approach not only occupy a lot of land resources and great risk of secondary pollution. Sludge contains large amounts of organic matter and nutrients and energy. According to the dual pressure of China is facing the energy shortage and environmental deterioration, wastewater sludge energy use to create a society of sustainable development will be of great significance. Through the sludge increased thick / anaerobic fermentation / dehydration process can make its stability and reduce the total amount of sludge, also can produce high value of green biomass energy of the bio gas. If the remaining after treatment sludge no toxic residues, also can be used as green agricultural fertilizer.
             In fact, biological gas can to replace natural gas as a vehicle fuel. This will be reduced by up to 90% of the carbon dioxide emissions, and effectively reduce the particulate matter and nitrogen oxide emissions. Attract more people to take the public transport system is another to promote sustainable development of urban public transport, the methods of reducing emissions and road congestion.
             In accordance with the per person per day 30 km of travel demand. Urban sludge generated every day can support the public transportation. Every city every day, hundreds of thousands of cubic mud produced. Originally, these must have to deal with. Treatment to produce energy, by-products can also generate fertilizer, to enter the market. The whole scheme is can achieve the economic equilibrium of a system, enhance environmental protection, reducing carbon emissions, high pollution control costs and promote employment, these are solutions involved.
              Of course, from the economic considerations, not all places are suitable for this kind of promotion solutions. For some natural gas origin, if the purchase of natural gas is very cheap, so per cubic 4-5 yuan biological gas applications cannot be extended. And in some cities is supposed to be to buy gas. At the same time their city in mud treatment also produced gas energy, then Municipal Corporation will not spend huge amounts of fuel costs. Municipal funding mud treatment, and save the energy and feedback municipal, if possible, a small amount of government subsidies, the chain is can be up and running. 

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          真人做人爱试看一

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