食(shi)品(pin)(pin)加(jia)工(gong)廢(fei)水(shui)原料(liao)(liao)清洗工(gong)段(duan)，大(da)量(liang)砂土雜(za)物(wu)、葉、皮(pi)、鱗、肉、羽、毛(mao)等(deng)進(jin)入(ru)(ru)廢(fei)水(shui)中，使廢(fei)水(shui)中含大(da)量(liang)懸浮物(wu);生產工(gong)段(duan)，原料(liao)(liao)中很多成(cheng)分(fen)在加(jia)工(gong)過程中不能(neng)全部利(li)用，未利(li)用部分(fen)進(jin)入(ru)(ru)廢(fei)水(shui)，使廢(fei)水(shui)含大(da)量(liang)有機物(wu);成(cheng)形工(gong)段(duan)，為(wei)增(zeng)加(jia)食(shi)品(pin)(pin)色(se)、香、味，延(yan)長(chang)保(bao)存期，使用了(le)各種食(shi)品(pin)(pin)添加(jia)劑，一部分(fen)流(liu)失進(jin)入(ru)(ru)廢(fei)水(shui)，使廢(fei)水(shui)化學成(cheng)分(fen)復雜(za)。

　　食(shi)品(pin)加工(gong)廢水處理工(gong)藝(yi)流程

　　食(shi)品加工(gong)(gong)(gong)(gong)廢水的處(chu)(chu)理(li)(li)預處(chu)(chu)理(li)(li)部(bu)分(fen)主(zhu)要包(bao)括(kuo)：粗(細)格柵、沉砂池(chi)、隔油池(chi)、氣浮池(chi)、集水池(chi)、調節池(chi)和(he)初沉池(chi)等。生(sheng)化處(chu)(chu)理(li)(li)部(bu)分(fen)主(zhu)要包(bao)括(kuo)厭(yan)氧處(chu)(chu)理(li)(li)和(he)好氧處(chu)(chu)理(li)(li)。一般(ban)采用的厭(yan)氧工(gong)(gong)(gong)(gong)藝為UASB和(he)水解酸化;好氧工(gong)(gong)(gong)(gong)藝一般(ban)采用SBR工(gong)(gong)(gong)(gong)藝和(he)生(sheng)物接觸(chu)氧化技術，有條件時亦可采用膜生(sheng)物反(fan)應器工(gong)(gong)(gong)(gong)藝。