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公路隧道的运营通风,除自然通风外,还必须进行机械通风。通风只能将隧道内的废气排出洞外,但却造成严重的大气污染,因此要通过净化和淡化来解决废气处理问题。通过易北河隧道的试验,证明隧道内的废气可通过生物法使之氧化,从而达到净化空气的目的,可望这是解决运营通风和保护环境的有效办法。
Ventilation and operation of road tunnels, in addition to natural ventilation, but also the mechanical ventilation. Ventilation can only exhaust the exhaust gas from the tunnel outside the tunnel, but it causes serious air pollution. Therefore, the problem of exhaust gas treatment should be solved through purification and desalination. Through the test of the Elbe Tunnel, it is proved that the exhaust gas in the tunnel can be oxidized by the biological method so as to purify the air. It is expected that this is an effective solution to ventilation and environmental protection.