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    Longwan Syntheses New Weapon To Remove Odour, Seal Glass Cover And Suck Off Odor.

    2007/12/12 0:00:00 10294

    Synthetic Leather

    In the production workshop of Wenzhou artificial leather company, the pparent rectangular glass cover "surrounded" and lived in the "odour birthplace" - the synthetic leather coating stage, and the whole workshop did not smell like the past.

    The efforts of the synthetic leather industry, one of the three pillar industries in Longwan, has made a deep impression on the "ecological civilization in Wenzhou".

    "So the smell is really much less."

    Ye Zhi Sheng, the public, praised the sealing cover of the artificial leather company.

    Mr. Ye is a retired worker of Wenzhou Second Light Industrial Corporation. He has a personal understanding of the pollution of synthetic leather in the important industries of Wenzhou light industry. The former synthetic leather workshop has stink and many workers have occupational diseases.

    The foul smell along the Airport Avenue has also been the focus of environmental protection for the general public.

    The main source of this headache is the sporadic DMF (two methyl formamide) waste gas from the workshop.

    Nearly 90% of the odour comes from the DMF emissions from the synthetic leather solvent on the coated stage.

    With the sealing cover, the entire painting process is almost "isolated from the world". The volatile DMF will be sucked away directly from the exhaust device of the hood.

    So even now there is no smell in the workshop, let alone the airport road outside the factory and outside.

    Sun Jianfeng, general manager of Wenzhou artificial leather Co., Ltd. introduced that the sealing cover should be combined with other exhaust gas extraction devices in the workshop.

    While winning the clean environment, enterprises can also get economic benefits from these DMF emissions.

    Take the exhaust gas from the hood as an example, they will be sent to the DMF waste gas recovery tower for recycling.

    Standing on the 5 recycling towers outside the workshop of the artificial leather company, one of them is "ready" for the exhaust gas.

    Sun Jianfeng calculated a sum of money, just collecting the sporadic waste gas from the workshop which only accounts for a small share of the total exhaust gas. Every month, we can re create the DMF raw material worth 120 thousand yuan per month. "We have achieved" win-win "through environmental protection.

    According to Hu Yinzhong, deputy director of Longwan Environmental Protection Bureau, by the end of May this year, enterprises with PU synthetic leather production lines were all closed.

    There are 54 synthetic leather enterprises and more than 250 synthetic leather production lines in Longwan district. The improvement of each point of the DMF waste gas purification and recovery device brings obvious environmental benefits. The seal cover is like this, so is the "one line one tower" (that is, a dry production line corresponds to a recovery tower).

    At present, 162 DMF exhaust gas recovery towers have been built in the region, and the effective recovery rate of waste gas is over 97%.

    And the economic benefits gained by enterprises are even more substantial.

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