火山巖生物濾料
火(huo)山(shan)(shan)巖生(sheng)(sheng)物(wu)(wu)(wu)濾料(liao)經過(guo)選(xuan)礦(kuang)、破(po)碎、篩分(fen)、研磨等(deng)一系列工藝(yi)(yi)加(jia)工而成的粒狀濾料(liao),其(qi)主要成分(fen)為(wei)硅、鋁、鈣、鈉、鎂、鈦、錳、鐵、鎳(nie)、鈷(gu)和鉬等(deng)幾十(shi)種礦(kuang)物(wu)(wu)(wu)質和微量元素,表現(xian)為(wei)接近圓顆(ke)粒,顏色(se)為(wei)紅黑(hei)褐色(se),多孔(kong)質輕,顆(ke)粒粒徑可根據不同(tong)要求(qiu)生(sheng)(sheng)產(chan)。高(gao)效掛膜(mo)輕質濾料(liao)在(zai)物(wu)(wu)(wu)理(li)(li)(li)微觀結構方面表現(xian)為(wei)表面粗糙多微孔(kong),這些特點特別適合于微生(sheng)(sheng)物(wu)(wu)(wu)在(zai)其(qi)表面生(sheng)(sheng)長(chang)、繁殖,形成生(sheng)(sheng)物(wu)(wu)(wu)膜(mo)。火(huo)山(shan)(shan)巖濾料(liao)使曝氣生(sheng)(sheng)物(wu)(wu)(wu)濾池不僅能處理(li)(li)(li)市政污水(shui),以及可生(sheng)(sheng)化的有機工業廢水(shui)、生(sheng)(sheng)活(huo)(huo)排水(shui)、微污染水(shui)源水(shui)等(deng),也可在(zai)給水(shui)處理(li)(li)(li)中取代石英砂、活(huo)(huo)性炭、無煙煤等(deng)用(yong)(yong)(yong)作過(guo)濾介質,同(tong)時還可對已經過(guo)污水(shui)處理(li)(li)(li)廠二級(ji)處理(li)(li)(li)工藝(yi)(yi)后的尾水(shui)做深度處理(li)(li)(li),其(qi)處理(li)(li)(li)出水(shui)達到回用(yong)(yong)(yong)水(shui)標準后可作中水(shui)回用(yong)(yong)(yong)。
火山(shan)巖生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)濾(lv)料(liao)在化(hua)學微(wei)觀結構方面表(biao)(biao)現為:1、微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)化(hua)學穩(wen)定(ding)性(xing):火山(shan)巖生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)濾(lv)料(liao)抗腐蝕,具有(you)惰性(xing),在環境中不(bu)參與(yu)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)膜的(de)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)化(hua)學反應。 2、表(biao)(biao)面電性(xing)與(yu)親水性(xing):火山(shan)巖生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)濾(lv)料(liao)表(biao)(biao)面帶有(you)正電荷,有(you)利(li)于微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)固(gu)(gu)著(zhu)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)長,親水性(xing)強,附著(zhu)的(de)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)膜量多且速(su)度快(kuai)。 3、對(dui)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)膜活性(xing)的(de)影響(xiang)方面:作(zuo)為生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)膜載體(ti),火山(shan)巖生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)濾(lv)料(liao)對(dui)所固(gu)(gu)定(ding)的(de)微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)無害、無抑制性(xing)作(zuo)用,實(shi)踐(jian)證明不(bu)影響(xiang)微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)的(de)活性(xing)。
一、火山(shan)巖生物(wu)濾料的物(wu)理特性(xing):
1、外觀形狀(zhuang):無尖粒狀(zhuang),對水(shui)流阻力小,不易(yi)堵(du)塞,布水(shui)布氣均勻;表面粗糙,掛膜速度快(kuai),反(fan)沖洗時微(wei)生物膜不易(yi)脫(tuo)落。
2、多孔(kong)性:火(huo)山(shan)巖是天然(ran)蜂窩(wo)多孔(kong),是菌膠團是佳的(de)生(sheng)長環(huan)境。
3、機械強(qiang)度(du):經(jing)國家質檢部(bu)門(men)為(wei)5.08Mpa,實踐證明可以耐得住不(bu)同強(qiang)度(du)的水力剪切作(zuo)用(yong),使用(yong)壽命遠(yuan)遠(yuan)長了其它濾料。
4、密度(du):密度(du)適中,反(fan)沖洗時容易懸浮且(qie)不跑料,可以(yi)節能降耗。
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