生(sheng)活污(wu)水(shui)(shui)處(chu)(chu)理設備(bei)(bei)(bei)去除有機污(wu)染物(wu)及氨氮(dan),主要(yao)依賴于(yu)設備(bei)(bei)(bei)中(zhong)的(de)(de)AO生(sheng)物(wu)處(chu)(chu)理工(gong)藝,下面小編(bian)為大家(jia)介(jie)紹一下生(sheng)活污(wu)水(shui)(shui)處(chu)(chu)理設備(bei)(bei)(bei)的(de)(de)工(gong)作原(yuan)理,希望(wang)對大家(jia)有所幫助:
生活污(wu)水(shui)處理設備的工作原(yuan)理是在(zai)(zai)(zai)A級(ji),由于污(wu)水(shui)有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)濃(nong)度很高(gao),微(wei)生物(wu)(wu)(wu)(wu)處于缺氧(yang)(yang)(yang)(yang)狀態,此時(shi)微(wei)生物(wu)(wu)(wu)(wu)為(wei)兼性微(wei)生物(wu)(wu)(wu)(wu),所以A級(ji)池(chi)(chi)不(bu)僅(jin)具(ju)有(you)一(yi)定的有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)去除(chu)功能,減(jian)輕后續(xu)好(hao)氧(yang)(yang)(yang)(yang)池(chi)(chi)的有(you)機(ji)(ji)負荷(he),有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)濃(nong)度降低,但仍有(you)一(yi)定量的有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)及較高(gao)NH3-N存(cun)(cun)在(zai)(zai)(zai)。為(wei)了使有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)得到進(jin)一(yi)步氧(yang)(yang)(yang)(yang)化(hua)(hua)分(fen)(fen)解,同時(shi)在(zai)(zai)(zai)碳(tan)化(hua)(hua)作用下硝(xiao)化(hua)(hua)作用能順利進(jin)行,在(zai)(zai)(zai)O級(ji)設置(zhi)有(you)機(ji)(ji)負荷(he)較低的好(hao)氧(yang)(yang)(yang)(yang)生物(wu)(wu)(wu)(wu)接(jie)觸氧(yang)(yang)(yang)(yang)化(hua)(hua)池(chi)(chi)。在(zai)(zai)(zai)O級(ji)池(chi)(chi)中(zhong)主要存(cun)(cun)在(zai)(zai)(zai)好(hao)氧(yang)(yang)(yang)(yang)微(wei)生物(wu)(wu)(wu)(wu)及自氧(yang)(yang)(yang)(yang)型細菌(jun)(硝(xiao)化(hua)(hua)菌(jun))。其中(zhong)好(hao)氧(yang)(yang)(yang)(yang)微(wei)生物(wu)(wu)(wu)(wu)將有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)分(fen)(fen)解成(cheng)CO2和(he)H2O;自養型細菌(jun)(硝(xiao)化(hua)(hua)菌(jun))利用有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)分(fen)(fen)解產生的無機(ji)(ji)碳(tan)或空氣中(zhong)的CO2作為(wei)營養源,將污(wu)水(shui)中(zhong)的NH3-N轉化(hua)(hua)成(cheng)NO-2-N、NO-3-N,O級(ji)池(chi)(chi)的出水(shui)部(bu)分(fen)(fen)回流(liu)到A級(ji)池(chi)(chi),為(wei)A級(ji)池(chi)(chi)提供(gong)電子接(jie)受體,通過(guo)反硝(xiao)化(hua)(hua)作用消(xiao)除(chu)氮(dan)污(wu)染。
生活污水處(chu)理設備(bei)具有投(tou)資少,效果好(hao),運行無需能源(yuan)支持(chi)等特點,得到了廣泛應用,成(cheng)效較為顯著。
農(nong)村(cun)和城(cheng)市生(sheng)(sheng)活不一樣(yang)(yang),農(nong)村(cun)農(nong)民(min)居住集中程度不及(ji)城(cheng)市,生(sheng)(sheng)活污(wu)水產生(sheng)(sheng)強度低于城(cheng)市,村(cun)鄉(xiang)財力(li)單薄、農(nong)民(min)收入(ru)低下,應當鼓勵采用經濟、簡易、有效、盡可能與當地農(nong)業(ye)生(sheng)(sheng)產相結(jie)合的多(duo)樣(yang)(yang)化(hua)生(sheng)(sheng)活污(wu)水處(chu)理技術,實(shi)現污(wu)水的無害化(hua)處(chu)理和資源化(hua)利(li)用。那么,生(sheng)(sheng)活污(wu)水處(chu)理設(she)備對農(nong)村(cun)污(wu)水處(chu)理效果(guo)如(ru)何(he)呢?下面就來為大家來介紹一下。
有動力地(di)埋式一(yi)體(ti)化(hua)處理(li)技術按(an)工(gong)藝可分(fen)(fen)(fen)為(wei)生物接觸氧(yang)(yang)化(hua)法、SBR、A/O及A2/O等(deng)。常用的A/O處理(li)技術的原(yuan)理(li)是,在缺氧(yang)(yang)池(chi)中微生物將(jiang)污(wu)水中的硝(xiao)酸鹽氮(dan)和(he)亞硝(xiao)酸鹽氮(dan)還原(yuan)成氣態氮(dan)逸出(chu),同時(shi)將(jiang)難降解(jie)大分(fen)(fen)(fen)子有機(ji)(ji)物分(fen)(fen)(fen)解(jie)為(wei)小分(fen)(fen)(fen)子易降解(jie)物質,具有脫氮(dan)、水解(jie)和(he)降解(jie)部分(fen)(fen)(fen)有機(ji)(ji)物的作用;在好(hao)氧(yang)(yang)池(chi)中,大部分(fen)(fen)(fen)有機(ji)(ji)物被(bei)微生物處理(li),并進(jin)入二沉(chen)池(chi)進(jin)行泥水分(fen)(fen)(fen)離(li),經消毒后排出(chu)。
A/O工藝在脫硝的同時(shi)降解(jie)有機物,使(shi)需氧(yang)量大(da)大(da)減少,是(shi)節能型的生(sheng)物處理技(ji)術(shu)。為了維持(chi)較高的硝化率,反應停(ting)留時(shi)間比(bi)普通活性(xing)污(wu)(wu)泥法長,污(wu)(wu)泥沉(chen)降性(xing)能好(hao),污(wu)(wu)泥增長率低,剩(sheng)余污(wu)(wu)泥量少,沉(chen)降性(xing)能好(hao)。
系列污水(shui)處理設(she)備(bei)去(qu)(qu)除有機污染物(wu)(wu)及氨氮主要依賴于(yu)設(she)備(bei)中(zhong)的AO生物(wu)(wu)處理工(gong)(gong)藝。其(qi)中(zhong)工(gong)(gong)作原(yuan)理是(shi)在A級,由于(yu)污水(shui)有機物(wu)(wu)濃度很高,微生物(wu)(wu)處于(yu)缺(que)氧狀態,此時微生物(wu)(wu)為兼(jian)性微生物(wu)(wu),所(suo)以(yi)A級池(chi)不僅具有一定(ding)的有機物(wu)(wu)去(qu)(qu)除功(gong)能,減輕(qing)后續好氧池(chi)的有機負(fu)荷,有機物(wu)(wu)濃度降低,但仍有一定(ding)量的有機物(wu)(wu)及較高NH3-N存在。
生活污(wu)水(shui)處理設備的工作原(yuan)理是在(zai)(zai)(zai)A級(ji),由于污(wu)水(shui)有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)濃(nong)度很高(gao),微(wei)生物(wu)(wu)(wu)(wu)處于缺氧(yang)(yang)(yang)(yang)狀態,此時(shi)微(wei)生物(wu)(wu)(wu)(wu)為(wei)兼性微(wei)生物(wu)(wu)(wu)(wu),所以A級(ji)池(chi)(chi)不(bu)僅(jin)具(ju)有(you)一(yi)定的有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)去除(chu)功能,減(jian)輕后續(xu)好(hao)氧(yang)(yang)(yang)(yang)池(chi)(chi)的有(you)機(ji)(ji)負荷(he),有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)濃(nong)度降低,但仍有(you)一(yi)定量的有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)及較高(gao)NH3-N存(cun)(cun)在(zai)(zai)(zai)。為(wei)了使有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)得到進(jin)一(yi)步氧(yang)(yang)(yang)(yang)化(hua)(hua)分(fen)(fen)解,同時(shi)在(zai)(zai)(zai)碳(tan)化(hua)(hua)作用下硝(xiao)化(hua)(hua)作用能順利進(jin)行,在(zai)(zai)(zai)O級(ji)設置(zhi)有(you)機(ji)(ji)負荷(he)較低的好(hao)氧(yang)(yang)(yang)(yang)生物(wu)(wu)(wu)(wu)接(jie)觸氧(yang)(yang)(yang)(yang)化(hua)(hua)池(chi)(chi)。在(zai)(zai)(zai)O級(ji)池(chi)(chi)中(zhong)主要存(cun)(cun)在(zai)(zai)(zai)好(hao)氧(yang)(yang)(yang)(yang)微(wei)生物(wu)(wu)(wu)(wu)及自氧(yang)(yang)(yang)(yang)型細菌(jun)(硝(xiao)化(hua)(hua)菌(jun))。其中(zhong)好(hao)氧(yang)(yang)(yang)(yang)微(wei)生物(wu)(wu)(wu)(wu)將有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)分(fen)(fen)解成(cheng)CO2和(he)H2O;自養型細菌(jun)(硝(xiao)化(hua)(hua)菌(jun))利用有(you)機(ji)(ji)物(wu)(wu)(wu)(wu)分(fen)(fen)解產生的無機(ji)(ji)碳(tan)或空氣中(zhong)的CO2作為(wei)營養源,將污(wu)水(shui)中(zhong)的NH3-N轉化(hua)(hua)成(cheng)NO-2-N、NO-3-N,O級(ji)池(chi)(chi)的出水(shui)部(bu)分(fen)(fen)回流(liu)到A級(ji)池(chi)(chi),為(wei)A級(ji)池(chi)(chi)提供(gong)電子接(jie)受體,通過(guo)反硝(xiao)化(hua)(hua)作用消(xiao)除(chu)氮(dan)污(wu)染。
生活污水處(chu)理設備(bei)具有投(tou)資少,效果好(hao),運行無需能源(yuan)支持(chi)等特點,得到了廣泛應用,成(cheng)效較為顯著。
農(nong)村(cun)和城(cheng)市生(sheng)(sheng)活不一樣(yang)(yang),農(nong)村(cun)農(nong)民(min)居住集中程度不及(ji)城(cheng)市,生(sheng)(sheng)活污(wu)水產生(sheng)(sheng)強度低于城(cheng)市,村(cun)鄉(xiang)財力(li)單薄、農(nong)民(min)收入(ru)低下,應當鼓勵采用經濟、簡易、有效、盡可能與當地農(nong)業(ye)生(sheng)(sheng)產相結(jie)合的多(duo)樣(yang)(yang)化(hua)生(sheng)(sheng)活污(wu)水處(chu)理技術,實(shi)現污(wu)水的無害化(hua)處(chu)理和資源化(hua)利(li)用。那么,生(sheng)(sheng)活污(wu)水處(chu)理設(she)備對農(nong)村(cun)污(wu)水處(chu)理效果(guo)如(ru)何(he)呢?下面就來為大家來介紹一下。
有動力地(di)埋式一(yi)體(ti)化(hua)處理(li)技術按(an)工(gong)藝可分(fen)(fen)(fen)為(wei)生物接觸氧(yang)(yang)化(hua)法、SBR、A/O及A2/O等(deng)。常用的A/O處理(li)技術的原(yuan)理(li)是,在缺氧(yang)(yang)池(chi)中微生物將(jiang)污(wu)水中的硝(xiao)酸鹽氮(dan)和(he)亞硝(xiao)酸鹽氮(dan)還原(yuan)成氣態氮(dan)逸出(chu),同時(shi)將(jiang)難降解(jie)大分(fen)(fen)(fen)子有機(ji)(ji)物分(fen)(fen)(fen)解(jie)為(wei)小分(fen)(fen)(fen)子易降解(jie)物質,具有脫氮(dan)、水解(jie)和(he)降解(jie)部分(fen)(fen)(fen)有機(ji)(ji)物的作用;在好(hao)氧(yang)(yang)池(chi)中,大部分(fen)(fen)(fen)有機(ji)(ji)物被(bei)微生物處理(li),并進(jin)入二沉(chen)池(chi)進(jin)行泥水分(fen)(fen)(fen)離(li),經消毒后排出(chu)。
A/O工藝在脫硝的同時(shi)降解(jie)有機物,使(shi)需氧(yang)量大(da)大(da)減少,是(shi)節能型的生(sheng)物處理技(ji)術(shu)。為了維持(chi)較高的硝化率,反應停(ting)留時(shi)間比(bi)普通活性(xing)污(wu)(wu)泥法長,污(wu)(wu)泥沉(chen)降性(xing)能好(hao),污(wu)(wu)泥增長率低,剩(sheng)余污(wu)(wu)泥量少,沉(chen)降性(xing)能好(hao)。
系列污水(shui)處理設(she)備(bei)去(qu)(qu)除有機污染物(wu)(wu)及氨氮主要依賴于(yu)設(she)備(bei)中(zhong)的AO生物(wu)(wu)處理工(gong)(gong)藝。其(qi)中(zhong)工(gong)(gong)作原(yuan)理是(shi)在A級,由于(yu)污水(shui)有機物(wu)(wu)濃度很高,微生物(wu)(wu)處于(yu)缺(que)氧狀態,此時微生物(wu)(wu)為兼(jian)性微生物(wu)(wu),所(suo)以(yi)A級池(chi)不僅具有一定(ding)的有機物(wu)(wu)去(qu)(qu)除功(gong)能,減輕(qing)后續好氧池(chi)的有機負(fu)荷,有機物(wu)(wu)濃度降低,但仍有一定(ding)量的有機物(wu)(wu)及較高NH3-N存在。