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Vipeakanna Posted 12 years ago
Grammar

Coal gangue crusher leads the field of development of new building materials protection

Coal mining is the process of solid waste and emissions from coal washing process , its main ingredient is Al2O3, SiO2, also contains varying amounts of Fe2O3, CaO, MgO, Na2O and so on. China's annual coal waste emissions accounted to 10-15% of coal production. During the " Eleventh Five-Year ", due to vigorously develop the circular economy, an important measure which China 's coal industry , a large number of recycling coal gangue, coal gangue is already present on the market a new type of environmentally friendly building materials.
Gangue do with replacing clay building bricks significantly reduce its costs , without watering before drywall and painting, which saves water and labor costs, due to the high hardness , loss in transit is also lower than the clay . More importantly , with the gangue instead of clay building bricks made , not only can reduce the gangue large accumulation of waste on land and water pollution caused by system resources , turning waste into treasure, made a lot of demand on the market more than the clay brick hard refractory bricks used in construction , and this can save land resources used clay brick , is the country, important projects benefit the development of circular economy .
  
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