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            PTFE is a great contribution to the governance of PM2.5

            時間:2014-11-21 13:53:10   From:   View:6399

              Continued for a while before Beijing haze weather again let people feel the threat of PM2.5, vice minister of environmental protection wu xiaoqing said that this year's air pollution will be "a punch, use medicine", strengthen management, environmental protection bureau will issue a "fine particulate matter air pollution control technology policy", the technical guidance for PM2.5 management files.

              PM2.5 refers to the atmosphere diameter less than or equal to 2.5 micron particles, also known as can go directly to the alveoli. Although only little earth's atmospheric composition composition, but it has a important effect on visibility and air quality. PM2.5 particles is small, high quantity, toxic and harmful substances in the atmosphere for a long time, long transmission distance, so the impact on human health and atmospheric environment quality.

              Meteorological experts and medical experts believe that the ash haze weather fine particulate matter on human health is greater than the storm. Particles larger than 10 microns in diameter, will be blocked on the outside of the human nose. Particle size of 2.5 micron to 10 microns, can enter the upper respiratory tract, but some can be achieved by sputum eduction body outside, the harm to human health is relatively small; Fine particles less than 2.5 micron particles, the equivalent of a human hair 1/10 diameter size of inhaled human bronchial lung, interfere with the gas exchange, including asthma, bronchitis and cardiovascular disease, caused by other diseases. These particles can by bronchial and alveolar, harmful gas into the blood, heavy metal dissolve in the bloodstream, a greater harm to human body health. In the European Union, PM2.5 leads people to reduce the average life expectancy of 8.6 months. PM2.5 is also the carrier of bacteria and viruses, spread respiratory infectious diseases.

              Most of the industrial emissions PM2.5 particles, traditional membrane filtration PM2.5 effect is not ideal. A new generation of PTFE microporous membrane can effectively in PM2.5 emissions control of industrial production. PM2.5 filter can reach 99.9995%. PFTE will make a great contribution to governance of PM2.5.

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