四川养殖场污水处理公司与您介绍畜禽养殖不同污(wu)水处理工艺:
目前国(guo)内用于处理畜(chu)禽养殖(zhi)场(chang)废水(shui)的(de)厌(yan)氧(yang)工艺很多,其中较为常用的(de)有以下(xia)几种:厌(yan)氧(yang)滤器(qi)(qi)(qi)(AF)、上流式厌(yan)氧(yang)污(wu)泥床(UASB)、复(fu)合厌(yan)氧(yang)反(fan)应(ying)器(qi)(qi)(qi)(UASB+AF)、两段(duan)厌(yan)氧(yang)消化法和(he)升流式污(wu)泥床反(fan)应(ying)器(qi)(qi)(qi)(USR)等(deng)。
污水(shui)(shui)(shui)一级(ji)(ji)处(chu)(chu)理(li)为(wei)预处(chu)(chu)理(li),二级(ji)(ji)处(chu)(chu)理(li)为(wei)主体(ti),处(chu)(chu)理(li)后(hou)的污水(shui)(shui)(shui)一般能(neng)达到(dao)排(pai)放标准(zhun)。三级(ji)(ji)处(chu)(chu)理(li)为(wei)深度处(chu)(chu)理(li),出水(shui)(shui)(shui)水(shui)(shui)(shui)质(zhi)较好,甚(shen)至能(neng)达到(dao)饮用水(shui)(shui)(shui)质(zhi)标准(zhun),但处(chu)(chu)理(li)费用高,除(chu)在(zai)(zai)一些极(ji)度缺水(shui)(shui)(shui)的国家(jia)和地区外,应用较少。目前我国许多城(cheng)市正在(zai)(zai)筹建(jian)和扩建(jian)污水(shui)(shui)(shui)二级(ji)(ji)处(chu)(chu)理(li)厂,以解决日益严重(zhong)的水(shui)(shui)(shui)污染问题。
物理处理法:
通过(guo)物理(li)(li)作用分(fen)离、回收废水中不溶解的(de)呈悬浮状态的(de)污染(ran)物(包括油膜和(he)油珠)的(de)废水处理(li)(li)法,可分(fen)为重力分(fen)离法、离心分(fen)离法和(he)筛滤截留法等。以热交换原(yuan)理(li)(li)为基础的(de)处理(li)(li)法也属于(yu)物理(li)(li)处理(li)(li)法。
化(hua)学处理法:
通过化(hua)(hua)(hua)学(xue)反应(ying)和传质(zhi)作(zuo)(zuo)用来(lai)分离(li)、去除(chu)废(fei)水(shui)中(zhong)呈溶解、胶体状态的污染物或将其转化(hua)(hua)(hua)为(wei)无害(hai)物质(zhi)的废(fei)水(shui)处理法(fa)。在化(hua)(hua)(hua)学(xue)处理法(fa)中(zhong),以投(tou)加药剂产生化(hua)(hua)(hua)学(xue)反应(ying)为(wei)基(ji)础(chu)的处理单(dan)(dan)(dan)元(yuan)是:混凝、中(zhong)和、氧化(hua)(hua)(hua)还原等;而以传质(zhi)作(zuo)(zuo)用为(wei)基(ji)础(chu)的处理单(dan)(dan)(dan)元(yuan)则有(you):萃取、汽(qi)提(ti)、吹脱(tuo)、吸(xi)附、离(li)子交换以及电渗析(xi)和反渗透等。后两种处理单(dan)(dan)(dan)元(yuan)又合称为(wei)膜分离(li)技术。其中(zhong)运用传质(zhi)作(zuo)(zuo)用的处理单(dan)(dan)(dan)元(yuan)既具有(you)化(hua)(hua)(hua)学(xue)作(zuo)(zuo)用,又有(you)与(yu)之相关(guan)的物理作(zuo)(zuo)用,所以也可(ke)从化(hua)(hua)(hua)学(xue)处理法(fa)中(zhong)分出来(lai),成为(wei)另一类处理方法(fa),称为(wei)物理化(hua)(hua)(hua)学(xue)法(fa)。生活污水(shui)处理
生物处理(li)法:
通(tong)过微生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)的(de)代谢作(zuo)用(yong),使废(fei)水中(zhong)呈溶液、胶体以(yi)及微细悬浮(fu)状(zhuang)态的(de)有机污(wu)(wu)染物(wu)(wu)(wu)(wu)(wu),转(zhuan)化(hua)(hua)为稳定、无(wu)害的(de)物(wu)(wu)(wu)(wu)(wu)质的(de)废(fei)水处(chu)理(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)。根据作(zuo)用(yong)微生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)的(de)不同,生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)处(chu)理(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)又(you)可(ke)分(fen)(fen)为需氧(yang)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)处(chu)理(li)(li)(li)(li)(li)和(he)厌氧(yang)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)处(chu)理(li)(li)(li)(li)(li)两(liang)种类型。废(fei)水生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)处(chu)理(li)(li)(li)(li)(li)广泛使用(yong)的(de)是需氧(yang)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)处(chu)理(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa),按传(chuan)统,需氧(yang)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)处(chu)理(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)又(you)分(fen)(fen)为活性污(wu)(wu)泥法(fa)(fa)(fa)(fa)和(he)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜法(fa)(fa)(fa)(fa)两(liang)类。活性污(wu)(wu)泥法(fa)(fa)(fa)(fa)本(ben)身就是一种处(chu)理(li)(li)(li)(li)(li)单元,它有多种运行(xing)方式。属于(yu)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜法(fa)(fa)(fa)(fa)的(de)处(chu)理(li)(li)(li)(li)(li)设备有生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)滤池(chi)、生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)转(zhuan)盘(pan)、生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)接(jie)触(chu)氧(yang)化(hua)(hua)池(chi)以(yi)及生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)流化(hua)(hua)床(chuang)等。生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)氧(yang)化(hua)(hua)塘法(fa)(fa)(fa)(fa)又(you)称自然生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)处(chu)理(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)。厌氧(yang)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)处(chu)理(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa),又(you)名(ming)生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)还(hai)原处(chu)理(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa),主要用(yong)于(yu)处(chu)理(li)(li)(li)(li)(li)高浓度有机废(fei)水和(he)污(wu)(wu)泥。使用(yong)的(de)处(chu)理(li)(li)(li)(li)(li)设备主要为消化(hua)(hua)池(chi)。
生物接触(chu)氧化(hua)法:
用(yong)(yong)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)接(jie)(jie)(jie)(jie)触(chu)氧(yang)化法处(chu)(chu)理废水(shui)(shui)(shui)(shui)(shui),即用(yong)(yong)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)接(jie)(jie)(jie)(jie)触(chu)氧(yang)化工艺在生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)反应(ying)池(chi)(chi)内充填(tian)(tian)填(tian)(tian)料(liao),已经(jing)充氧(yang)的(de)(de)污(wu)水(shui)(shui)(shui)(shui)(shui)浸(jin)没(mei)全部填(tian)(tian)料(liao),并(bing)以一定的(de)(de)流(liu)速流(liu)经(jing)填(tian)(tian)料(liao)。在填(tian)(tian)料(liao)上(shang)布满生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜(mo),污(wu)水(shui)(shui)(shui)(shui)(shui)与生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜(mo)广泛接(jie)(jie)(jie)(jie)触(chu),在生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜(mo)上(shang)微(wei)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)的(de)(de)新陈代(dai)谢的(de)(de)作(zuo)用(yong)(yong)下,污(wu)水(shui)(shui)(shui)(shui)(shui)中有机(ji)污(wu)染物(wu)(wu)(wu)(wu)(wu)得(de)到去(qu)除,污(wu)水(shui)(shui)(shui)(shui)(shui)得(de)到净化。后,处(chu)(chu)理过的(de)(de)废水(shui)(shui)(shui)(shui)(shui)排入生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)接(jie)(jie)(jie)(jie)触(chu)氧(yang)化处(chu)(chu)理系统与生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)(shui)(shui)(shui)混合后进(jin)行(xing)处(chu)(chu)理,氯消毒后达标排放。生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)接(jie)(jie)(jie)(jie)触(chu)氧(yang)化法是一种(zhong)(zhong)介于(yu)活性污(wu)泥法与生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)滤池(chi)(chi)之间的(de)(de)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)膜(mo)法工艺,其特点是在池(chi)(chi)内设置(zhi)填(tian)(tian)料(liao),池(chi)(chi)底曝(pu)气对污(wu)水(shui)(shui)(shui)(shui)(shui)进(jin)行(xing)充氧(yang),并(bing)使池(chi)(chi)体内污(wu)水(shui)(shui)(shui)(shui)(shui)处(chu)(chu)于(yu)流(liu)动状(zhuang)态,以**污(wu)水(shui)(shui)(shui)(shui)(shui)同浸(jin)没(mei)在污(wu)水(shui)(shui)(shui)(shui)(shui)中的(de)(de)填(tian)(tian)料(liao)充分接(jie)(jie)(jie)(jie)触(chu),避免(mian)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)接(jie)(jie)(jie)(jie)触(chu)氧(yang)化池(chi)(chi)中存在污(wu)水(shui)(shui)(shui)(shui)(shui)与填(tian)(tian)料(liao)接(jie)(jie)(jie)(jie)触(chu)不均的(de)(de)缺陷,这(zhei)种(zhong)(zhong)曝(pu)气装置(zhi)称谓鼓风(feng)曝(pu)气。