水處理中 微電解法應用于染料有機物脫色
發布(bu)日期:2022/12/26 21:44:44 瀏覽量(liang):1956次
重慶恒諾水處理設備有限公司從事水處理事業十一年,已成為純水、超純水設備,實驗室超純水設備,工業電子級超純水設備,實驗室綜合廢水系統,礦用超純水處理設備的專業生產(chan)廠家,以(yi)客戶(hu)需(xu)求為中心,致力于為客戶(hu)創造價值,提供最(zui)優質最(zui)實惠的水處理解決(jue)方(fang)案(an),天分(fen)享:
水處理中 微電解法應(ying)用于染料(liao)有機物脫色
染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)工業是(shi)國民經濟中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)重(zhong)要(yao)行業,其(qi)產品的(de)(de)(de)(de)(de)應用(yong)主要(yao)是(shi)在(zai)(zai)(zai)紡織品、皮革、食(shi)品涂(tu)料(liao)(liao)、油墨及橡膠等(deng)領(ling)域(yu)。染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)是(shi)指(zhi)能(neng)(neng)(neng)使纖(xian)維獲得色(se)澤(ze)的(de)(de)(de)(de)(de)物質,是(shi)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)廢(fei)水中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)主要(yao)污染(ran)(ran)(ran)(ran)(ran)(ran)(ran)物,帶有(you)(you)(you)各(ge)類(lei)顯色(se)基(ji)團(tuan)(tuan)(如(ru)-N=N一(yi)、一(yi)N=O等(deng))和(he)部(bu)分(fen)(fen)極性(xing)(xing)(xing)基(ji)團(tuan)(tuan)(如(ru)一(yi)SONa、 -OH、-NH,等(deng)),成(cheng)(cheng)分(fen)(fen)復雜,大(da)(da)(da)多(duo)數是(shi)以(yi)芳(fang)(fang)烴和(he)雜環為母體,屬較(jiao)(jiao)難降(jiang)解的(de)(de)(de)(de)(de)有(you)(you)(you)機污染(ran)(ran)(ran)(ran)(ran)(ran)(ran)物,也(ye)是(shi)我國各(ge)大(da)(da)(da)水域(yu)的(de)(de)(de)(de)(de)重(zhong)要(yao)污染(ran)(ran)(ran)(ran)(ran)(ran)(ran)源。目前對染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)的(de)(de)(de)(de)(de)主要(yao)分(fen)(fen)類(lei)方法(fa)有(you)(you)(you)2種,即按化(hua)(hua)學結(jie)(jie)構分(fen)(fen)類(lei)和(he)按應用(yong)類(lei)型分(fen)(fen)類(lei)。活性(xing)(xing)(xing)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)也(ye)稱反應性(xing)(xing)(xing)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao),分(fen)(fen)子(zi)中(zhong)(zhong)(zhong)含有(you)(you)(you)化(hua)(hua)學性(xing)(xing)(xing)活潑的(de)(de)(de)(de)(de)基(ji)團(tuan)(tuan),能(neng)(neng)(neng)在(zai)(zai)(zai)水溶(rong)(rong)液中(zhong)(zhong)(zhong)與棉(mian)、毛等(deng)纖(xian)維反應形(xing)(xing)成(cheng)(cheng)共價鍵,具(ju)有(you)(you)(you)較(jiao)(jiao)高(gao)的(de)(de)(de)(de)(de)耐(nai)洗度。酸(suan)性(xing)(xing)(xing)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)是(shi)一(yi)類(lei)在(zai)(zai)(zai)酸(suan)性(xing)(xing)(xing)介質中(zhong)(zhong)(zhong)進行染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)的(de)(de)(de)(de)(de)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao),大(da)(da)(da)多(duo)數含有(you)(you)(you)磺酸(suan)鈉(na)鹽,能(neng)(neng)(neng)溶(rong)(rong)于(yu)(yu)水,色(se)澤(ze)鮮艷、色(se)譜齊全。酸(suan)性(xing)(xing)(xing)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)按其(qi)化(hua)(hua)學結(jie)(jie)構和(he)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)條(tiao)件的(de)(de)(de)(de)(de)不同,分(fen)(fen)為強(qiang)酸(suan)性(xing)(xing)(xing)、弱酸(suan)性(xing)(xing)(xing)、酸(suan)性(xing)(xing)(xing)媒介和(he)酸(suan)性(xing)(xing)(xing)絡合染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(又稱中(zhong)(zhong)(zhong)性(xing)(xing)(xing)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao))等(deng):陽(yang)離(li)(li)子(zi)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)的(de)(de)(de)(de)(de)色(se)素(su)離(li)(li)子(zi)帶正電荷,與C廠、Ac等(deng)陰離(li)(li)子(zi)生成(cheng)(cheng)鹽,其(qi)陽(yang)離(li)(li)子(zi)部(bu)分(fen)(fen)重(zhong)量(liang)很小(xiao),在(zai)(zai)(zai)水中(zhong)(zhong)(zhong)以(yi)離(li)(li)子(zi)形(xing)(xing)式存在(zai)(zai)(zai);中(zhong)(zhong)(zhong)性(xing)(xing)(xing)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)是(shi)一(yi)種金屬絡合染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao),染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)配體與金屬如(ru)鉻、鈷等(deng)絡合形(xing)(xing)成(cheng)(cheng):直接(jie)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)一(yi)般為雙偶氮或(huo)三(san)偶氮染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao),分(fen)(fen)子(zi)量(liang)較(jiao)(jiao)大(da)(da)(da),分(fen)(fen)子(zi)中(zhong)(zhong)(zhong)一(yi)般有(you)(you)(you)多(duo)個-SO3H等(deng)親水基(ji)團(tuan)(tuan),水溶(rong)(rong)性(xing)(xing)(xing)好。直接(jie)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)分(fen)(fen)子(zi)結(jie)(jie)構一(yi)般呈直線展(zhan)開(kai),同時具(ju)有(you)(you)(you)芳(fang)(fang)環同平面的(de)(de)(de)(de)(de)結(jie)(jie)構特征。由于(yu)(yu)這一(yi)結(jie)(jie)構特點,直接(jie)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)在(zai)(zai)(zai)水中(zhong)(zhong)(zhong)具(ju)有(you)(you)(you)較(jiao)(jiao)大(da)(da)(da)的(de)(de)(de)(de)(de)聚集傾向,易締合成(cheng)(cheng)大(da)(da)(da)分(fen)(fen)子(zi)集團(tuan)(tuan)。由于(yu)(yu)締合作用(yong),直接(jie)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)以(yi)較(jiao)(jiao)大(da)(da)(da)顆粒分(fen)(fen)散在(zai)(zai)(zai)水中(zhong)(zhong)(zhong)形(xing)(xing)成(cheng)(cheng)膠體,容易通過化(hua)(hua)學混凝作用(yong)去除(chu)。
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