地面清洗污水怎么處理?
地(di)面(mian)清洗污水怎么處(chu)理?
【地面(mian)清(qing)洗污水的來源與(yu)特性】
在各類(lei)場(chang)所,如工(gong)廠(chang)車間(jian)(jian)、商業廣(guang)場(chang)、住宅小(xiao)區(qu)等,為(wei)(wei)了保持地(di)面清潔,常常需要進行(xing)地(di)面清洗工(gong)作。這些清洗過程中產生(sheng)(sheng)的污(wu)水(shui)(shui),來源(yuan)廣(guang)泛且(qie)成分復雜(za)(za)。工(gong)廠(chang)車間(jian)(jian)的地(di)面清洗污(wu)水(shui)(shui)可(ke)(ke)能(neng)含(han)有(you)油污(wu)、重金屬離子(zi)以及(ji)各類(lei)化學物(wu)(wu)質;商業廣(guang)場(chang)的污(wu)水(shui)(shui)則可(ke)(ke)能(neng)混有(you)食物(wu)(wu)殘(can)渣、灰塵(chen)、洗滌劑(ji)等;住宅小(xiao)區(qu)的清洗污(wu)水(shui)(shui)相對簡單,但也包含(han)泥沙、微生(sheng)(sheng)物(wu)(wu)等雜(za)(za)質。其特性(xing)表現(xian)(xian)為(wei)(wei)水(shui)(shui)質渾(hun)濁、懸(xuan)浮物(wu)(wu)含(han)量高,部分污(wu)水(shui)(shui)還可(ke)(ke)能(neng)呈現(xian)(xian)酸性(xing)或堿性(xing),并且(qie)化學需氧(yang)量(COD)和(he)生(sheng)(sheng)化需氧(yang)量(BOD)往往超出正常排放標準。
【處理地面清洗污水的常用方法(fa)】
物理處理法
沉淀(dian)是物理(li)處理(li)的(de)基礎步(bu)驟。通過(guo)設(she)置沉淀(dian)池,讓污(wu)(wu)水(shui)(shui)(shui)(shui)中(zhong)的(de)大顆粒懸(xuan)浮(fu)(fu)物在(zai)重力作用(yong)下沉降,去(qu)除大部分泥沙等不(bu)溶性物質。過(guo)濾則(ze)進一步(bu)細(xi)化處理(li),利用(yong)格柵、濾網等設(she)備(bei),攔(lan)截污(wu)(wu)水(shui)(shui)(shui)(shui)中(zhong)殘留的(de)細(xi)小顆粒,使水(shui)(shui)(shui)(shui)質初步(bu)得到凈(jing)化。對(dui)于含有油污(wu)(wu)的(de)污(wu)(wu)水(shui)(shui)(shui)(shui),還可采用(yong)氣(qi)浮(fu)(fu)法,向污(wu)(wu)水(shui)(shui)(shui)(shui)中(zhong)通入空氣(qi),使油滴等懸(xuan)浮(fu)(fu)物附著在(zai)氣(qi)泡(pao)上,浮(fu)(fu)至(zhi)水(shui)(shui)(shui)(shui)面從而(er)被分離(li)去(qu)除。
化學處理法
中(zhong)(zhong)和(he)(he)是(shi)調(diao)節污水(shui)酸堿度的(de)關鍵手段。當(dang)污水(shui)呈酸性(xing)時(shi),加(jia)(jia)入適(shi)(shi)量堿性(xing)物(wu)質,如石灰、氫氧化鈉等;若污水(shui)為堿性(xing),則投加(jia)(jia)酸性(xing)物(wu)質進(jin)行中(zhong)(zhong)和(he)(he),確保污水(shui) pH 值達到(dao)適(shi)(shi)宜后續處理的(de)范圍。混凝沉淀也是(shi)常用化學方法,向污水(shui)中(zhong)(zhong)添加(jia)(jia)混凝劑(ji),如聚合氯化鋁(lv)等,使污水(shui)中(zhong)(zhong)的(de)膠體(ti)顆粒和(he)(he)微小(xiao)懸(xuan)浮物(wu)凝聚成較大(da)絮體(ti),然后通過沉淀去除,有效(xiao)降(jiang)低(di)污水(shui)中(zhong)(zhong)的(de)懸(xuan)浮物(wu)和(he)(he)部分(fen)有機物(wu)含(han)量。
生物(wu)處理法(fa)
生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)處(chu)理利用微(wei)(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)的(de)(de)代謝作(zuo)用分(fen)解污水中(zhong)(zhong)的(de)(de)有(you)機(ji)污染物(wu)(wu)(wu)(wu)(wu)。活性污泥法是較為常見的(de)(de)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)處(chu)理工藝,在曝(pu)氣池中(zhong)(zhong),活性污泥中(zhong)(zhong)的(de)(de)微(wei)(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)大量(liang)繁殖,它們將污水中(zhong)(zhong)的(de)(de)有(you)機(ji)物(wu)(wu)(wu)(wu)(wu)作(zuo)為營養(yang)物(wu)(wu)(wu)(wu)(wu)質進(jin)行分(fen)解轉化,最(zui)終(zhong)生(sheng)(sheng)(sheng)成二氧化碳(tan)和(he)水等無害物(wu)(wu)(wu)(wu)(wu)質。生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜法同(tong)樣(yang)效果(guo)顯著(zhu),微(wei)(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)附著(zhu)在填(tian)料表(biao)面形成生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜,污水流經生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜時(shi),其(qi)中(zhong)(zhong)的(de)(de)有(you)機(ji)物(wu)(wu)(wu)(wu)(wu)被微(wei)(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)降解,從而(er)實現凈化目的(de)(de)。
【地(di)面清洗污水處理的重要意(yi)義】
妥(tuo)善處(chu)理地(di)面清(qing)洗(xi)污(wu)水(shui),對于環境保護(hu)和(he)(he)資源利用(yong)意(yi)義重大(da)。從環保角度(du)看(kan),未經處(chu)理的污(wu)水(shui)直接排放,會污(wu)染土壤、地(di)表水(shui)和(he)(he)地(di)下(xia)水(shui),破壞生態平(ping)衡,影響動(dong)植物(wu)生長和(he)(he)人(ren)類健(jian)康。而通(tong)過有效處(chu)理,可大(da)大(da)減少(shao)污(wu)染物(wu)排放,保護(hu)生態環境。在資源利用(yong)方面,處(chu)理后的中水(shui)可回用(yong)于地(di)面清(qing)洗(xi)、綠(lv)化灌溉等,實(shi)現水(shui)資源的循環利用(yong),緩(huan)解水(shui)資源短缺壓(ya)力,降低用(yong)水(shui)成本,促進可持續發展(zhan)。
山東中泰環(huan)(huan)保專注于(yu)污(wu)水(shui)處(chu)理領域,在地(di)面(mian)清(qing)(qing)洗(xi)污(wu)水(shui)處(chu)理方(fang)面(mian)經驗豐富(fu)。公司匯聚行業頂尖技術人才(cai),配備先進的污(wu)水(shui)處(chu)理設(she)備,能(neng)夠依據(ju)不同污(wu)水(shui)特(te)性,量身定制科學有效的處(chu)理方(fang)案。多(duo)年來,憑借卓越的處(chu)理效果和(he)優質(zhi)的服務,贏得(de)眾多(duo)客戶信賴,是您(nin)解決(jue)地(di)面(mian)清(qing)(qing)洗(xi)污(wu)水(shui)問(wen)題(ti)的可靠伙伴,攜(xie)手共創(chuang)綠色清(qing)(qing)潔(jie)的美(mei)好環(huan)(huan)境。