Tare da ci gaba da haɓaka matakin rayuwa na mutane, buƙatun abinci suna ƙaruwa, wanda ya haifar da haɓaka yawan samar da wasu kamfanonin abinci, a lokacin sarrafa samar da abinci ya bayyana fitar da ruwan datti, waɗannan ruwan datti suna gudana cikin kogin ya haifar da gurɓataccen ruwa, wanda ya shafi yanayin rayuwa na mutane sosai. Yana da mahimmanci kayan aikin tsaftacewar ruwa na abinci don canza wannan yanayin.

1, abinci masana'antu albarkatun kasa da yawa, kayayyaki iri-iri da yawa, fitar da sharar ruwa yawan ruwa, ingancin ruwa bambanci sosai. Manyan gurɓataccen abubuwa a cikin ruwan sharar gida sune (1) abubuwa masu ƙarfi a cikin ruwan sharar gida, kamar ganyen ganye, fatar 'ya'yan itace, nama mai karya, gashin tsuntsaye da sauransu; (2) Abubuwan da aka dakatar a cikin ruwan sharar gida sune mai, furotin, starch, colloidal abubuwa da sauransu; (3) acid, alkali, gishiri, sukari, da dai sauransu da aka narke a cikin ruwan sharar gida: (4) lakar da sauran kayan kwayoyin halitta da kuma sauransu; (5) kwayoyin cuta da sauransu. Ruwan sharar gida na masana'antar abinci yana da halaye masu yawa na kayan kwayoyin halitta da masu dakatarwa, masu lalacewa, kuma gabaɗaya ba su da babban guba. Hasararsa ta fi yawa ita ce samar da wadataccen abinci mai gina jiki na ruwa, wanda ya haifar da mutuwar dabbobin ruwa da kifi, wanda ya haifar da kwayoyin halitta da ke ƙarƙashin ruwa don samar da ƙanshi, lalata ingancin ruwa, gurbatar da muhalli.

2, kayan aikin sarrafa ruwa na abinci:

Tsarin kula da ruwa na datti kamar yadda ke ƙasa: Grid → daidaitawa tafkin → ɗaga famfo → Air floating → A / O tuntuɓar biochemical tafkin → biyu sinking tafkin → kashewa fitarwa mud concentrated tafkin → Wan-type tacewa → fitarwa (sama ruwa, tacewa baya zuwa famfo dakin daidaitawa tafkin) wasu ruwa sassi: hadaddun ruwa da kansa gudana a cikin grid, manyan granules karfi da kuma m abubuwa da aka toshe, fitar da ruwa a cikin daidaitawa tafkin, wasu ruwa ta hanyar yawan ruwa ingancin daidaitawa da pre-exposure gas bayan, da famfo da aka ɗaga zuwa mai insulation precipitation tafkin, cire dakatarwa halin man fetur bayan shiga air floating tsarin cire emulsion halin man fetur bayan shiga hadaddun A / O biochemical reaction tafkin, gudanar da oxygen-aerobic biochemical magani, kammala nitration denitrification Karkashin aerobic yana lalata kayan kwayoyin halitta a ƙarƙashin haɗin gwiwar laka mai aiki da ke dakatar da girma da kuma biofilm da ke haɗuwa da girma. Bayan an cire sauran dakatarwa ta hanyar ruwa, an fitar da shi zuwa cibiyar bututun birni ta hanyar UV.
Lamu sashi: biyu sinking dakin lamu sashi ya koma zuwa hadaddun halitta reaction tsarin, da sauran lamu tare da lamu samar da man fetur sedimentation dakin ya gudana da kansa zuwa lamu concentrated dakin don concentrated magani, shiga lamu dehydrator bushewa, bushewa lamu a kai a kai tsaftace fitarwa.