Fight the Haze

Fight the Haze

This year, China’s central and eastern regions of North China, Huanghuai, JAC, Jiangnan persistent fog and haze, and more heavily polluted. Thus, the Environmental Protection Department recently issued an urgent circular calling for “an outstanding job of industrial smoke dust, construction dust, volatile organic compounds and vehicle exhaust pollution control work.” A comprehensive, three-dimensional dogged campaign PM2.5 in the country started.
As the world’s manufacturing superpower China, industrial smoke dust and coal combustion has become one of the four culprits haze formation. Is there a reliable and efficient solution to eliminate PM2.5 industrial emissions?
Tang Dongsheng Shanghai Environmental Protection Industry Association, the Secretary-General told reporters: “At present, industrial smoke dust control, they use a dust bag made of conventional materials, it solves the problem of pollution of larger particles, but less than or equal to 2.5 diameter micron ultrafine particles, which kind of bag is also powerless. China should vigorously develop and promote the use of PM2.5 dust can absorb new material, such as PTFE microporous films or other polymer film. ”
In fact, some enterprises in the field of applied environmental polytetrafluoroethylene membrane has been developed. Before the Spring Festival, the reporter learned from the Zhengzhou Toper Environmental Protection Co.,Ltd by the company successfully developed China’s first polytetrafluoroethylene (PTFE) microporous film filter (ePTFE) US authorities by the ETS testing for PM2.5 of filtration efficiency up to 99.9995% of the PM0.3 filtration efficiency of 99.95%. The products are exported to foreign countries, only a few in the country to be applied.
Reporters also learned that among the hundred of China’s environmental protection industry, environmental companies Hailing the bridge in the 1990s, independent research and PTFE fiber production technology and to achieve industrialization, until 2011 had formed PTFE long and short fiber all 10 production lines, total capacity of over 600 tons scale. Recently the company has invented a uniform three-dimensional processing PTFE film technology, based on a multiple PTFE resin mixed, multi-step pressure, multi-channel stretching process, to capture the microporous film production process control and non-uniform thickness and other technical puzzle, to produce media with ePTFE. Scientific and technical personnel will be 100% PTFE filaments with different fineness of fabric 100% PTFE staple fiber needle felting with ePTFE membrane pressing compound, obtained high-strength gradient coating pure PTFE filter material, the move to achieve a domestic pure PTFE coating technology breakthroughs.
Through industrial applications, the new film dust bag filter material made compared with traditional materials, long at 260 ℃ high temperature, acid and alkali resistance, oxidation resistance, but also has excellent flame retardant compartment heat resistance and insulation properties, low running resistance, easy cleaning, dust almost zero emissions, long service life, overall performance reached the international advanced level. Rare is that, compared with similar foreign products, the price advantage is obvious. In 2011, the material was included in the Ministry of Industry, Science and Technology jointly issued “The state encourages the development of major environmental technology equipment catalog,” was identified as the state’s key environmental protection practical technology China Environmental Protection Industry Association; 2012, special poly bag filter tetrafluoroethylene membrane filter media projects have been awarded China Machinery Industry Science and Technology Award Award.
Up to now, PTFE membrane filter media has been applied in respect dust steel, cement, power plants, chemical industry, waste incineration, mining and other industries. In the chemical industry, for example, in addition to the recycling factory chimney particles, it can be used in titanium dioxide, gypsum, iron oxide pigments and other products of micronized mucosa and recycling systems.
According to the US consulting firm Market report predicts that in 2015 China will have 100 million square meters in the media market. But why PTFE membrane filter media “wall flower wall incense”, particularly domestic SMEs rarely cares? Higher prices is a major factor, as Our production of PTFE membrane filter media is not covered in the media than the average 20 yuan more expensive, companies are reluctant to bear the increased application of this part of the environmental costs per square meter.
On this basis, if all industrial enterprises were using a new type of dust removal equipment, the scale of production of these high-performance membrane materials will greatly increase, the price will come down naturally in the country to form a multi-win-win cooperation for the benefit of the people situation. “