地埋式醫療污水處理設備
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人氣:2834 發布時間:2013-11-11 10:07 產品型號: 應用領域:水處理 產品價格: |
目前(qian)國(guo)內外采用的污水(shui)處理工藝很(hen)多,其中主(zhu)要分為活性污泥(ni)法(fa)和生(sheng)物膜法(fa)兩(liang)種,我們(men)常見的普通曝(pu)氣法(fa)、氧化(hua)溝法(fa)、A/B法(fa)、A2/O法(fa)屬于前(qian)者(zhe),生(sheng)物轉盤(pan)、接觸氧化(hua)法(fa)屬于后者(zhe)。
地埋式醫療(liao)污(wu)(wu)(wu)水(shui)(shui)處理設備(bei)原理是在(zai)(zai)A級(ji),由于污(wu)(wu)(wu)水(shui)(shui)有(you)(you)(you)(you)(you)機(ji)物(wu)(wu)(wu)(wu)濃(nong)度(du)很高,微(wei)生(sheng)物(wu)(wu)(wu)(wu)處于缺氧(yang)(yang)狀態,此時微(wei)生(sheng)物(wu)(wu)(wu)(wu)為(wei)兼性(xing)微(wei)生(sheng)物(wu)(wu)(wu)(wu),它們將(jiang)污(wu)(wu)(wu)水(shui)(shui)中(zhong)的(de)(de)有(you)(you)(you)(you)(you)機(ji)氮(dan)(dan)轉(zhuan)化(hua)(hua)分(fen)解成NH3-N,同時利(li)(li)用(yong)(yong)有(you)(you)(you)(you)(you)機(ji)碳源作(zuo)(zuo)為(wei)電(dian)子(zi)供體(ti),將(jiang)NO2-N、NO3-N轉(zhuan)換(huan)成N2,而且(qie)還(huan)利(li)(li)用(yong)(yong)部(bu)分(fen)有(you)(you)(you)(you)(you)機(ji)碳源和NH3-N合成新的(de)(de)細胞物(wu)(wu)(wu)(wu)質。所(suo)以A級(ji)池不僅具有(you)(you)(you)(you)(you)一(yi)(yi)定的(de)(de)有(you)(you)(you)(you)(you)面(mian)物(wu)(wu)(wu)(wu)去除(chu)功能(neng),減輕后續好(hao)(hao)氧(yang)(yang)池的(de)(de)有(you)(you)(you)(you)(you)機(ji)負荷(he)。有(you)(you)(you)(you)(you)利(li)(li)于硝(xiao)化(hua)(hua)作(zuo)(zuo)用(yong)(yong)的(de)(de)進行(xing),而且(qie)依(yi)靠原水(shui)(shui)中(zhong)存(cun)在(zai)(zai)的(de)(de)較高濃(nong)度(du)有(you)(you)(you)(you)(you)機(ji)物(wu)(wu)(wu)(wu),完(wan)(wan)成反硝(xiao)化(hua)(hua)作(zuo)(zuo)用(yong)(yong),最終(zhong)(zhong)消除(chu)氮(dan)(dan)的(de)(de)富營(ying)養化(hua)(hua)污(wu)(wu)(wu)染。在(zai)(zai)O級(ji),由于有(you)(you)(you)(you)(you)機(ji)物(wu)(wu)(wu)(wu)濃(nong)度(du)已大(da)幅(fu)度(du)降(jiang)低,但污(wu)(wu)(wu)水(shui)(shui)處理設備(bei)仍有(you)(you)(you)(you)(you)一(yi)(yi)定量的(de)(de)有(you)(you)(you)(you)(you)機(ji)物(wu)(wu)(wu)(wu)及較高NH3-N存(cun)在(zai)(zai)。為(wei)了使(shi)有(you)(you)(you)(you)(you)機(ji)物(wu)(wu)(wu)(wu)得到進一(yi)(yi)步氧(yang)(yang)化(hua)(hua)分(fen)解,同時在(zai)(zai)碳化(hua)(hua)作(zuo)(zuo)用(yong)(yong)完(wan)(wan)成情(qing)況(kuang)下,硝(xiao)化(hua)(hua)作(zuo)(zuo)用(yong)(yong)能(neng)順(shun)利(li)(li)進行(xing)。在(zai)(zai)O級(ji)設置有(you)(you)(you)(you)(you)機(ji)負荷(he)較低的(de)(de)好(hao)(hao)氧(yang)(yang)生(sheng)物(wu)(wu)(wu)(wu)接(jie)觸氧(yang)(yang)化(hua)(hua)池。在(zai)(zai)O級(ji)池中(zhong)主(zhu)要存(cun)在(zai)(zai)好(hao)(hao)氧(yang)(yang)微(wei)生(sheng)物(wu)(wu)(wu)(wu)及自氧(yang)(yang)型細菌.其中(zhong)好(hao)(hao)氧(yang)(yang)微(wei)生(sheng)物(wu)(wu)(wu)(wu)將(jiang)有(you)(you)(you)(you)(you)機(ji)物(wu)(wu)(wu)(wu)分(fen)解成CO2和H2O;自氧(yang)(yang)弄細菌利(li)(li)用(yong)(yong)有(you)(you)(you)(you)(you)機(ji)物(wu)(wu)(wu)(wu)分(fen)解產生(sheng)的(de)(de)無(wu)機(ji)碳或空氣中(zhong)的(de)(de)CO2作(zuo)(zuo)為(wei)營(ying)養源,將(jiang)污(wu)(wu)(wu)水(shui)(shui)中(zhong)的(de)(de)NO2-N、NO3——NO級(ji)池的(de)(de)出水(shui)(shui)流到A級(ji)池。為(wei)A級(ji)池提供電(dian)子(zi)接(jie)受體(ti),通過反硝(xiao)化(hua)(hua)作(zuo)(zuo)用(yong)(yong)最終(zhong)(zhong)消除(chu)氮(dan)(dan)污(wu)(wu)(wu)染。