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　　废水类型：食品加工废水

　　废水特性：食品(pin)(pin)(pin)(pin)加(jia)(jia)(jia)工(gong)(gong)(gong)废(fei)水(shui)(shui)(shui)(shui)(shui)包括谷类(lei)加(jia)(jia)(jia)工(gong)(gong)(gong)废(fei)水(shui)(shui)(shui)(shui)(shui)、饮料(liao)生产(chan)废(fei)水(shui)(shui)(shui)(shui)(shui)、水(shui)(shui)(shui)(shui)(shui)产(chan)品(pin)(pin)(pin)(pin)加(jia)(jia)(jia)工(gong)(gong)(gong)废(fei)水(shui)(shui)(shui)(shui)(shui)、肉类(lei)加(jia)(jia)(jia)工(gong)(gong)(gong)废(fei)水(shui)(shui)(shui)(shui)(shui)及酿酒工(gong)(gong)(gong)业(ye)(ye)废(fei)水(shui)(shui)(shui)(shui)(shui)等。由(you)于大(da)(da)多(duo)数(shu)的(de)食品(pin)(pin)(pin)(pin)工(gong)(gong)(gong)业(ye)(ye)在加(jia)(jia)(jia)工(gong)(gong)(gong)过程中需(xu)要(yao)大(da)(da)量用水(shui)(shui)(shui)(shui)(shui),所以食品(pin)(pin)(pin)(pin)加(jia)(jia)(jia)工(gong)(gong)(gong)废(fei)水(shui)(shui)(shui)(shui)(shui)排放的(de)废(fei)水(shui)(shui)(shui)(shui)(shui)量很大(da)(da),是(shi)我(wo)国(guo)水(shui)(shui)(shui)(shui)(shui)源污染大(da)(da)户之一(yi),食品(pin)(pin)(pin)(pin)加(jia)(jia)(jia)工(gong)(gong)(gong)废(fei)水(shui)(shui)(shui)(shui)(shui)COD排放量占(zhan)工(gong)(gong)(gong)业(ye)(ye)废(fei)水(shui)(shui)(shui)(shui)(shui)COD总排放量的(de)110/,居(ju)轻工(gong)(gong)(gong)业(ye)(ye)行业(ye)(ye)第(di)二位。食品(pin)(pin)(pin)(pin)加(jia)(jia)(jia)工(gong)(gong)(gong)的(de)主要(yao)原材料(liao)是(shi)农、渔、牧、林业(ye)(ye)产(chan)品(pin)(pin)(pin)(pin),来源十分广泛,且制品(pin)(pin)(pin)(pin)种类(lei)繁多(duo),所以其(qi)排出的(de)食品(pin)(pin)(pin)(pin)加(jia)(jia)(jia)工(gong)(gong)(gong)废(fei)水(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)质成分复杂,水(shui)(shui)(shui)(shui)(shui)质恶劣,若直接排人(ren)水(shui)(shui)(shui)(shui)(shui)体,对环(huan)境的(de)危害十分严重(zhong)。因此,处(chu)理好食品(pin)(pin)(pin)(pin)加(jia)(jia)(jia)工(gong)(gong)(gong)废(fei)水(shui)(shui)(shui)(shui)(shui)对于环(huan)境的(de)保护和人(ren)类(lei)的(de)健康具有重(zhong)要(yao)意义(yi)。

　　处理工艺说明：食(shi)品加工(gong)(gong)(gong)(gong)(gong)废(fei)水(shui)的(de)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)按作(zuo)用(yong)(yong)原理(li)(li)(li)(li)(li)(li)(li)可分为:物(wu)(wu)(wu)(wu)理(li)(li)(li)(li)(li)(li)(li)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)、化学(xue)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)和(he)生物(wu)(wu)(wu)(wu)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)。每一(yi)种方(fang)法(fa)(fa)(fa)(fa)又包括(kuo)多种工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)。物(wu)(wu)(wu)(wu)理(li)(li)(li)(li)(li)(li)(li)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)有(you)筛滤(lv)、撇除、调节(jie)、沉淀(dian)、气浮(fu)、过滤(lv)、微滤(lv)、离心分离等(deng),前五种工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)主(zhu)要(yao)用(yong)(yong)于预处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)或(huo)一(yi)级处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li),后三种工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)主(zhu)要(yao)用(yong)(yong)于深度(du)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li);化学(xue)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)有(you)中和(he)法(fa)(fa)(fa)(fa)、混凝(ning)法(fa)(fa)(fa)(fa)、电解法(fa)(fa)(fa)(fa)、氧化还(hai)原法(fa)(fa)(fa)(fa)、离子交换法(fa)(fa)(fa)(fa)、膜(mo)分离法(fa)(fa)(fa)(fa)等(deng);生物(wu)(wu)(wu)(wu)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)包括(kuo)好氧生物(wu)(wu)(wu)(wu)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)、厌氧生物(wu)(wu)(wu)(wu)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)、稳定塘工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)、土地处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)和(he)由上述工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)相结合(he)而(er)成的(de)综(zong)合(he)生物(wu)(wu)(wu)(wu)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)工(gong)(gong)(gong)(gong)(gong)艺(yi)(yi)。而(er)根(gen)据(ju)食(shi)品加工(gong)(gong)(gong)(gong)(gong)废(fei)水(shui)BOD、COD值高等(deng)特点,国(guo)内外广泛采用(yong)(yong)的(de)方(fang)法(fa)(fa)(fa)(fa)是生物(wu)(wu)(wu)(wu)处(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)法(fa)(fa)(fa)(fa)。