摘要(yao)(yao):本文介紹了生物滴(di)濾法在國內(nei)外的(de)研(yan)究(jiu)現狀(zhuang)及(ji)工(gong)程(cheng)應用效果(guo),總(zong)結了國內(nei)近年對(dui)生物滴(di)濾塔結構的(de)改進(jin)措(cuo)施(shi),討論了生物滴(di)濾塔幾個未來要(yao)(yao)解(jie)決的(de)問題。 

關鍵(jian)詞:大(da)氣污染控制,生物滴濾(lv)塔,塔體結構,有機廢氣

生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)法(fa)(fa)處理(li)廢(fei)氣是(shi)近年來發(fa)展起來的(de)(de)一(yi)種(zhong)(zhong)大(da)氣污(wu)染控制(zhi)技術(shu),具有設備(bei)簡單、運(yun)行(xing)費用(yong)(yong)低、較少二次(ci)污(wu)染等(deng)優點,是(shi)一(yi)項(xiang)經(jing)濟實用(yong)(yong)、具有環境友好性(xing)(xing)的(de)(de)技術(shu)。常用(yong)(yong)的(de)(de)廢(fei)氣生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)處理(li)方法(fa)(fa)包括生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)滴濾(lv)(lv)法(fa)(fa)、生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)過(guo)濾(lv)(lv)法(fa)(fa)和生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)洗滌法(fa)(fa),生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)滴濾(lv)(lv)法(fa)(fa)是(shi)介于生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)過(guo)濾(lv)(lv)法(fa)(fa)和生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)洗滌法(fa)(fa)之(zhi)間的(de)(de)處理(li)技術(shu)。生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)滴濾(lv)(lv)法(fa)(fa)的(de)(de)液相是(shi)流(liu)動(dong)或間歇(xie)流(liu)動(dong)的(de)(de),微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)群落(luo)則固定在過(guo)濾(lv)(lv)床層(ceng)上(shang),污(wu)染物(wu)(wu)(wu)(wu)(wu)的(de)(de)吸(xi)收(shou)和生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)降解(jie)同時發(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)在同一(yi)個反應裝置內(nei),常用(yong)(yong)設備(bei)為生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)滴濾(lv)(lv)塔(ta)。生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)滴濾(lv)(lv)塔(ta)體內(nei)填(tian)充惰(duo)性(xing)(xing)填(tian)料(liao)(liao),在塔(ta)體內(nei)接種(zhong)(zhong)微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu),通過(guo)控制(zhi)合適的(de)(de)條(tiao)件,在填(tian)料(liao)(liao)上(shang)進行(xing)掛膜,生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜覆蓋在惰(duo)性(xing)(xing)材料(liao)(liao)的(de)(de)表(biao)面,通過(guo)循(xun)環系統在填(tian)料(liao)(liao)上(shang)連(lian)續噴(pen)灑含有微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)新陳(chen)代謝所需的(de)(de)營養物(wu)(wu)(wu)(wu)(wu)質的(de)(de)溶液。廢(fei)氣通過(guo)塔(ta)體填(tian)料(liao)(liao)時,廢(fei)氣中的(de)(de)污(wu)染物(wu)(wu)(wu)(wu)(wu)被微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)降解(jie)。

1、生物(wu)滴濾(lv)塔(ta)應用研究現狀

1.1國外研(yan)究現狀

Van Durme等采用生物滴濾法處理含臭氣體,廢氣中H2S濃度為100ppm時,去除效率最大達到98%,最大去除負荷為75.8g·m-3·d-1,廢氣流量對去除率有一定影響。Huub H.J采用生物滴濾器處理H2S和VOCS的混合氣體,研究了pH值對去除的影響,結果表明pH值為較低值4.5的生物滴濾器.....

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