1.產品簡介
根據(ju)濾(lv)料(liao)(liao)介質(zhi)有(you)所不同,用(yong)(yong)途與作用(yong)(yong)也各有(you)區別,一般有(you)石(shi)英砂(sha)(sha)、活(huo)性(xing)碳、錳砂(sha)(sha)、無煙煤等。濾(lv)料(liao)(liao)選(xuan)用(yong)(yong)石(shi)英砂(sha)(sha)又叫做石(shi)英砂(sha)(sha)過濾(lv)器(qi)(qi),濾(lv)料(liao)(liao)選(xuan)用(yong)(yong)無煙煤稱為(wei)(wei)無煙煤過濾(lv)器(qi)(qi),濾(lv)料(liao)(liao)選(xuan)用(yong)(yong)錳砂(sha)(sha)(除鐵(tie)、錳)稱為(wei)(wei)錳砂(sha)(sha)過濾(lv)器(qi)(qi),濾(lv)料(liao)(liao)選(xuan)用(yong)(yong)活(huo)性(xing)炭(tan)則成為(wei)(wei)活(huo)性(xing)炭(tan)過濾(lv)器(qi)(qi)。也可(ke)以組合(he)使(shi)用(yong)(yong)。錳砂(sha)(sha)過濾(lv)器(qi)(qi)的主要功能是清除懸浮物、機(ji)械雜質(zhi)、有(you)機(ji)物,降(jiang)低水(shui)的混(hun)濁度,吸附、去除水(shui)中的色素、余氯膠(jiao)體及(ji)(ji)鐵(tie)離子等,該(gai)機(ji)可(ke)根據(ju)過濾(lv)量而選(xuan)定規(gui)格的大小,使(shi)用(yong)(yong)及(ji)(ji)操(cao)作非(fei)常簡(jian)便(bian)。
鐵(tie)(tie)和(he)錳在地下(井)水中幾(ji)乎同時(shi)存(cun)在,水中含(han)(han)鐵(tie)(tie)量(liang)較高(gao)時(shi),水有(you)(you)(you)鐵(tie)(tie)腥味(wei),影響(xiang)水的(de)(de)口感,作(zuo)為造(zao)紙、紡織、印染、化工(gong)和(he)皮革精致等生(sheng)(sheng)產用(yong)水,會降低產品質量(liang),含(han)(han)鐵(tie)(tie)水可(ke)使(shi)生(sheng)(sheng)產用(yong)具發生(sheng)(sheng)銹(xiu)斑,洗滌(di)衣物會出現黃(huang)(huang)色(se)或棕黃(huang)(huang)色(se)斑漬(zi),鐵(tie)(tie)質沉淀物Fe2O3會滋長(chang)鐵(tie)(tie)細菌(jun),阻塞管道(dao),有(you)(you)(you)時(shi)會出現紅水。而(er)含(han)(han)錳量(liang)較高(gao)的(de)(de)水與含(han)(han)鐵(tie)(tie)量(liang)高(gao)的(de)(de)情況相類(lei)似,如使(shi)水有(you)(you)(you)色(se)、嗅、味(wei),損害紡織、造(zao)紙、釀造(zao)、食品等工(gong)業產品的(de)(de)質量(liang),家用(yong)器具會污染成棕色(se)或黑色(se),洗滌(di)衣物會有(you)(you)(you)微黑色(se)或淺灰色(se)斑漬(zi)。為此我國《生(sheng)(sheng)活飲用(yong)水衛(wei)生(sheng)(sheng)標(biao)準》(GB5749-85)規定(ding),鐵(tie)(tie)含(han)(han)量(liang)≤0.3㎎/L,錳含(han)(han)量(liang)≤0.1㎎/L,超(chao)過(guo)標(biao)準的(de)(de)原水須經除(chu)鐵(tie)(tie)除(chu)錳處理(li)。長(chang)時(shi)間(jian)飲用(yong)含(han)(han)鐵(tie)(tie)含(han)(han)錳量(liang)過(guo)高(gao)的(de)(de)水還會嚴重(zhong)影響(xiang)身體健康,對生(sheng)(sheng)產設(she)備腐蝕能力極(ji)強。
石(shi)英砂/錳(meng)砂過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)器(qi)是一種過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)器(qi)濾(lv)(lv)料(liao)采(cai)用(yong)(yong)(yong)石(shi)英砂或(huo)者錳(meng)砂作(zuo)為填料(liao)。有(you)(you)(you)利(li)于(yu)去(qu)除水(shui)(shui)中的(de)雜質(zhi)。其(qi)還(huan)有(you)(you)(you)過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)阻力(li)(li)小,比表面積大(da),耐酸堿性(xing)強(qiang)(qiang),抗污(wu)染性(xing)好等(deng)(deng)優(you)點(dian),石(shi)英砂/錳(meng)砂過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)器(qi)的(de)獨特優(you)點(dian)還(huan)在(zai)于(yu)通過(guo)(guo)(guo)(guo)(guo)優(you)化濾(lv)(lv)料(liao)和過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)器(qi)的(de)設(she)計(ji),實現了過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)器(qi)的(de)自適(shi)應(ying)運(yun)行,濾(lv)(lv)料(liao)對原水(shui)(shui)濃度(du)(du)、操作(zuo)條(tiao)件、預處置(zhi)工藝等(deng)(deng)具(ju)有(you)(you)(you)很(hen)強(qiang)(qiang)的(de)自適(shi)應(ying)性(xing),即在(zai)過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)時濾(lv)(lv)床自動形成上疏下密狀態,有(you)(you)(you)利(li)于(yu)在(zai)各種運(yun)行條(tiao)件下保證出水(shui)(shui)水(shui)(shui)質(zhi),反洗(xi)時濾(lv)(lv)料(liao)充分散開(kai),清(qing)洗(xi)效果(guo)好。砂過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)器(qi)可有(you)(you)(you)效去(qu)除水(shui)(shui)中的(de)懸浮物,并對水(shui)(shui)中的(de)膠體、鐵(tie)、有(you)(you)(you)機(ji)物、農藥、錳(meng)、細菌、病毒等(deng)(deng)污(wu)染物有(you)(you)(you)明顯的(de)去(qu)除作(zuo)用(yong)(yong)(yong)。并具(ju)有(you)(you)(you)過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)速度(du)(du)快、過(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)精度(du)(du)高、截污(wu)容量大(da)等(deng)(deng)優(you)點(dian)。主(zhu)要用(yong)(yong)(yong)于(yu)電力(li)(li)、電子、飲料(liao)、自來水(shui)(shui)、石(shi)油(you)、化工、冶金(jin)、紡織(zhi)、造紙、食品、游(you)泳(yong)池、市政(zheng)工程等(deng)(deng)各種工藝用(yong)(yong)(yong)水(shui)(shui)、生活(huo)用(yong)(yong)(yong)水(shui)(shui)、循環(huan)用(yong)(yong)(yong)水(shui)(shui)和廢(fei)水(shui)(shui)的(de)深度(du)(du)處置(zhi)領域。
2.處理方法
鐵錳(meng)(meng)含量過(guo)(guo)高的(de)(de)(de)(de)水一(yi)般都利用在催化(hua)劑(如錳(meng)(meng)砂(sha))的(de)(de)(de)(de)作(zuo)用下將溶(rong)解狀態的(de)(de)(de)(de)二價鐵或(huo)二價錳(meng)(meng)分別氧化(hua)成(cheng)不溶(rong)解的(de)(de)(de)(de)三價鐵或(huo)四價錳(meng)(meng)的(de)(de)(de)(de)化(hua)合物,利用錳(meng)(meng)砂(sha)過(guo)(guo)濾器(qi)的(de)(de)(de)(de)反沖洗功能達到去除凈(jing)化(hua)的(de)(de)(de)(de)目的(de)(de)(de)(de)。
4Fe2++O2+10H2O 4Fe(OH)3+8H
2Mn2++O2+2H2O 2MnO2+4H+
3.技術要求
用(yong)于地下水(shui)除(chu)(chu)鐵(tie)(tie)除(chu)(chu)錳(meng)(meng)(meng)的(de)(de)天(tian)(tian)然(ran)錳(meng)(meng)(meng)砂(sha),其(qi)錳(meng)(meng)(meng)的(de)(de)形態應以氧化錳(meng)(meng)(meng)為主。含(han)錳(meng)(meng)(meng)量(liang)(liang)(以MnO2計)不應小于35%的(de)(de)天(tian)(tian)然(ran)錳(meng)(meng)(meng)砂(sha)濾料(liao),既可用(yong)于地下水(shui)除(chu)(chu)鐵(tie)(tie),又可用(yong)于地下水(shui)除(chu)(chu)錳(meng)(meng)(meng);含(han)錳(meng)(meng)(meng)量(liang)(liang)為20%~30%的(de)(de)天(tian)(tian)然(ran)錳(meng)(meng)(meng)砂(sha)濾料(liao),只宜(yi)用(yong)于地下水(shui)除(chu)(chu)鐵(tie)(tie);含(han)錳(meng)(meng)(meng)量(liang)(liang)小于20%的(de)(de)錳(meng)(meng)(meng)礦砂(sha)則不宜(yi)采(cai)用(yong);宜(yi)優先(xian)采(cai)用(yong)經(jing)過科(ke)學試驗或(huo)生(sheng)產使用(yong)證明能獲得良好除(chu)(chu)鐵(tie)(tie)和除(chu)(chu)錳(meng)(meng)(meng)效果(guo)的(de)(de)天(tian)(tian)然(ran)錳(meng)(meng)(meng)砂(sha)品種作濾料(liao)。
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