Ana iya raba rigakafin gurɓatawa da kuma kula da shi a tsarin yin takardar bayan gida zuwa rukuni biyu: maganin da ke kare muhalli a cikin shuka da kuma maganin ruwan sharar gida a wajen wurin.
Maganin da ke cikin shuka
Ya haɗa da: ① ƙarfafa shiri (ƙura, laka, barewa, ƙura, da sauransu), amfani da mai tattara ƙurar fim na ruwa, rage gurɓatar ƙura a wurin shiryawa, tattara sharar gida, dawo da makamashin zafi, kamar amfani da haushi, guntun itace, tukunyar girki; ② kiyaye ruwa, sake amfani da ruwan fari, sau da yawa sake amfani da ruwa; ③ don inganta fitar da ruwan baƙar fata na girki, ƙarfafa sarrafa sashin wankewa na kanti don ƙara yawan sassan, rage adadin ruwan baƙar fata na girki tare da cire ɓawon daga wankin, da kuma amfani da ingantaccen dawo da ruwan sharar girki na sinadarai da fasahar makamashin zafi, kamar dawo da alkali, da sauran amfani mai cikakken amfani da ruwan sharar gida. Kuma yi amfani da cikakken dawo da ruwan sharar girki na sinadarai da fasahar makamashin zafi, kamar dawo da alkali, da kuma sauran amfani mai cikakken amfani da fasahar ruwa mai sharar gida; ④ chlorine dioxide ko oxy-alkali bleaching, ko hydrogen peroxide bleaching, don rage ruwan sharar gida lignin chloride, chlorophenol da sauran hayaki mai guba; ⑤ dattin condensate da aka tsarkake ta hanyar fitar da tururi don sake amfani da shi don rage fitar da ruwa mai gurbata muhalli na sulfur da abubuwa masu narkewa; ⑥ tarin ruwan baƙar fata mai zubar da ruwa, ruwan kore, farin ruwa, tare da sarrafa kwamfuta ta lantarki don auna yawansa, ana mayar da shi ta atomatik zuwa bugun tanki mai dacewa, don rage hayaki; ⑦ dawo da zaruruwa da suka ɓace, rage abubuwan da ke cikin daskararru da aka dakatar a cikin ruwan shara; ⑧ don inganta dawo da sabulun turpentine sulfate, rage fitar da abubuwa masu guba; ⑨ magance sharar gida mai ƙarfi, amfani da konewa don dawo da zafi, amfani da shi sosai da kuma cike ramin nau'ikan magani guda uku; ⑩ maganin ƙura, ana iya amfani da shi wajen cire ƙurar lantarki, cire ƙurar ruwa da raba iska da sauran kayan aiki; sarrafa gurɓataccen iska Mai raba iska da sauran kayan aiki; maganin gurɓataccen iska, tattara iskar gas mai wari a kowane bita, gami da iskar gas mai wari da tururin ruwa mai datti ya ɗaga, bayan sanyaya, bushewa, hana fashewa da sauran matakan, an aika shi zuwa tukunyar jirgi, tanda mai dawo da alkali ko maganin ƙonewa na kiln lemun tsami; Maganin hayaniya, ɗauki matakan kawar da girgiza, rufewar sauti da kuma canzawa zuwa kayan aiki masu ƙarancin hayaniya.
Maganin ruwan shara a wajen masana'antar
Ana kula da ruwan shara daga jimillar magudanar ruwa ta dukkan shuka a matakin farko ko na biyu kafin a fitar da shi zuwa cikin ruwa, ko kuma a yi amfani da ruwan shara don ban ruwa sannan a yi amfani da ƙasa da tsire-tsire don tsarkake ruwan shara. Maganin farko galibi yana cire abubuwan da aka dakatar, tare da hanyoyi kamar su narkewa da tacewa da kuma flotation na iska. Tsire-tsire daban-daban suna ƙara flocculants a cikin ruwan shara don cire wasu daga cikin abubuwan da ke narkewa na colloidal, kamar lignin da pigments. Maganin farko na gaba ɗaya na iya cire 80 ~ 90% SS da 20% BOD5. magani na biyu don maganin biochemical, galibi don cire BOD5. China ta yi amfani da wasu tsire-tsire a wannan hanyar, suna ƙidaya tafkunan oxidation, biofilters, bio-turntable da sludge da aka kunna (gami da shaye-shaye da sake farfaɗowa, hanzarta iska, hulɗa da iskar shaka). Maganin sakandare na gaba ɗaya na iya cire 60 ~ 95% BOD5. ƙasashe masu ci gaba a masana'antu, akwai tsire-tsire daban-daban don maganin cire launi da tsarkakewa na ruwa mai tsafta, don isa matakin ruwan sha, amma farashin yana da tsada.
Takardar bayan gida ta Yashi kashi 100% ba ta amfani da takin zamani da magungunan kashe kwari. Duk tsarin yana amfani da fasahar cire tarkace da hana bleaching don tabbatar da cewa babu wani abu mai guba da cutarwa kamar sinadarai, magungunan kashe kwari, ƙarfe mai nauyi, da sauransu. Hukumar gwaji ta duniya SGS ta gwada shi kuma ba ta ƙunshi abubuwa masu guba da cutarwa da kuma abubuwan da ke haifar da cutar kansa ba. Amfani da shi ya fi aminci kuma masu amfani sun fi samun tabbaci.
Lokacin Saƙo: Agusta-13-2024
