離子除臭新風系統 離子洗滌復合除臭工藝
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人氣:2124 發布時間:2020-04-19 12:52 關鍵詞:離子除臭新風系統 離子洗滌復合除臭工藝 產品型號: 應用領域:大氣控制 產品價格: |
生物除臭設備技術說明
生物滴濾塔的基本原理是:惡臭氣體被生物填料上的水溶液吸收,然后在此生物膜上進行的好氧反應,使惡臭氣體得到降解和分解;此技術的核心是,培養高效的除臭菌種和合理的設備結構。
生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)法(fa)(fa)是目前研究(jiu)多(duo)、技術成熟(shu),在(zai)實際中也常(chang)用(yong)(yong)(yong)的(de)(de)(de)(de)一(yi)種處理惡(e)臭氣(qi)(qi)體(ti)的(de)(de)(de)(de)方(fang)法(fa)(fa)。其(qi)處理流程(cheng)是含惡(e)臭物(wu)(wu)(wu)(wu)(wu)質的(de)(de)(de)(de)氣(qi)(qi)體(ti)經(jing)(jing)過(guo)(guo)去(qu)塵增濕或(huo)降溫等(deng)預處理工藝(yi)后,從濾床底(di)部由(you)下往上(shang)穿過(guo)(guo)濾床,通(tong)(tong)過(guo)(guo)濾層(ceng)時(shi)(shi)惡(e)臭物(wu)(wu)(wu)(wu)(wu)質從氣(qi)(qi)相(xiang)轉移至(zhi)水-微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)混合(he)相(xiang)(生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)層(ceng)),由(you)附著生(sheng)(sheng)(sheng)長(chang)(chang)在(zai)濾料上(shang)的(de)(de)(de)(de)微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)(de)代(dai)謝(xie)作(zuo)用(yong)(yong)(yong)而被分解掉。這一(yi)方(fang)法(fa)(fa)主要(yao)是利(li)(li)(li)用(yong)(yong)(yong)微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)(de)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)化(hua)學(xue)(xue)作(zuo)用(yong)(yong)(yong),使(shi)污(wu)(wu)染物(wu)(wu)(wu)(wu)(wu)分解,轉化(hua)為(wei)(wei)無害的(de)(de)(de)(de)物(wu)(wu)(wu)(wu)(wu)質。微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)利(li)(li)(li)用(yong)(yong)(yong)有機物(wu)(wu)(wu)(wu)(wu)作(zuo)為(wei)(wei)其(qi)生(sheng)(sheng)(sheng)長(chang)(chang)繁殖所(suo)需的(de)(de)(de)(de)基質,通(tong)(tong)過(guo)(guo)不同(tong)(tong)(tong)的(de)(de)(de)(de)轉化(hua)途徑將(jiang)大分子或(huo)結構復(fu)雜的(de)(de)(de)(de)有機物(wu)(wu)(wu)(wu)(wu)經(jing)(jing)異化(hua)作(zuo)用(yong)(yong)(yong),氧化(hua)分解為(wei)(wei)簡(jian)單的(de)(de)(de)(de)水、二(er)氧化(hua)碳等(deng)無機物(wu)(wu)(wu)(wu)(wu),同(tong)(tong)(tong)時(shi)(shi)經(jing)(jing)同(tong)(tong)(tong)化(hua)作(zuo)用(yong)(yong)(yong)并利(li)(li)(li)用(yong)(yong)(yong)異化(hua)作(zuo)用(yong)(yong)(yong)過(guo)(guo)程(cheng)中所(suo)產生(sheng)(sheng)(sheng)的(de)(de)(de)(de)能量,使(shi)微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)(de)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)體(ti)得到增長(chang)(chang)繁殖,為(wei)(wei)進一(yi)步發(fa)揮其(qi)對有機物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)(de)處理能力創(chuang)造(zao)有利(li)(li)(li)的(de)(de)(de)(de)條(tiao)件(jian)。污(wu)(wu)染物(wu)(wu)(wu)(wu)(wu)去(qu)除的(de)(de)(de)(de)實質是有機物(wu)(wu)(wu)(wu)(wu)作(zuo)為(wei)(wei)營養(yang)物(wu)(wu)(wu)(wu)(wu)質被微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)吸(xi)收、代(dai)謝(xie)及利(li)(li)(li)用(yong)(yong)(yong)。這一(yi)過(guo)(guo)程(cheng)是物(wu)(wu)(wu)(wu)(wu)理、化(hua)學(xue)(xue)、物(wu)(wu)(wu)(wu)(wu)理化(hua)學(xue)(xue)以及生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)化(hua)學(xue)(xue)所(suo)組(zu)成的(de)(de)(de)(de)一(yi)個復(fu)雜過(guo)(guo)程(cheng)。可(ke)簡(jian)化(hua)為(wei)(wei)如下表達式:
惡臭物質+ O2微生物 細胞代謝物+ CO2+ HO2
惡(e)臭污(wu)染物(wu)的轉化過(guo)程如下圖所示:
惡臭氣體成分不同,其分解產物不同,不同種類的微生物,分解代謝的產物也不一樣。對于不含氮的有機物質如苯酚、羧酸、甲醛等,其超終產物為二氧化碳和水;對于硫類惡臭成分,在好氧條件下被氧化分解為硫酸根離子和硫;對于像胺類這樣的含氮惡臭物質經氨化作用放出NH3,NH3可被亞硝化細菌氧化為亞硝酸根離子,在進一步被硝化細菌氧化為硝酸根離子。
整個(ge)生物噴(pen)淋降解除臭過(guo)程可(ke)以(yi)用下式示意圖(tu)表示:
RH+RSH+O2+微生物→CO2+S+SO4+細胞代謝物