A cewar bayanai, baturin maɓalli ɗaya zai iya gurɓata lita 600000 na ruwa, wanda mutum zai iya amfani da shi har tsawon rayuwarsa. Idan aka jefa wani yanki na baturi na 1 a cikin filin da ake noman amfanin gona, murabba'in mita 1 na filin da ke kewaye da wannan baturi na sharar gida zai zama bakararre. Me ya sa abin ya zama haka? Domin waɗannan batir ɗin sharar sun ƙunshi babban adadin ƙarfe masu nauyi. Misali: zinc, gubar, cadmium, mercury, da dai sauransu. Wadannan karafa masu nauyi suna kutsawa cikin ruwa kuma kifaye da amfanin gona suna shanye su. Idan mutane suka ci waɗannan gurɓataccen kifi, jatan lande da amfanin gona, za su sha wahala daga gubar Mercury da cututtuka na tsarin juyayi na tsakiya, tare da adadin mace-mace har zuwa 40%. An gano Cadmium azaman Carcinogen Class 1A.

Batirin sharar gida ya ƙunshi ƙarfe masu nauyi kamar su mercury, cadmium, manganese, da gubar. Lokacin da saman batura ya lalace saboda hasken rana da ruwan sama, kayan aikin ƙarfe masu nauyi a ciki zasu shiga cikin ƙasa da ruwan ƙasa. Idan mutane suka ci amfanin gona da ake nomawa a gurbatacciyar ƙasa ko kuma suka sha gurɓataccen ruwa, waɗannan ƙananan karafa masu guba za su shiga cikin jikin ɗan adam kuma sannu a hankali, suna yin babbar barazana ga lafiyar ɗan adam.

Bayan Mercury a cikin batir sharar gida ya cika, idan ya shiga cikin sel kwakwalwar dan adam, tsarin jijiya zai lalace sosai. Cadmium na iya haifar da lahani ga hanta da koda, kuma a lokuta masu tsanani, nakasar kashi. Wasu batura na sharar kuma sun ƙunshi acid da gubar ƙarfe mai nauyi, wanda zai iya haifar da gurɓataccen ƙasa da ruwa idan ya shiga cikin yanayi, a ƙarshe yana haifar da haɗari ga ɗan adam.
Hanyar maganin baturi

1. Rarrabewa
Dakatar da batirin sharar da aka sake yin fa'ida, cire harsashin zinc da baƙin ƙarfe na ƙasan baturin, fitar da hular tagulla da sandar graphite, sauran baƙin al'amarin shine cakuda Manganese dioxide da ammonium chloride da ake amfani da su azaman tushen baturi. Tattara abubuwan da ke sama daban kuma sarrafa su don samun wasu abubuwa masu amfani. Ana wanke sandar graphite, a bushe, sannan a yi amfani da ita azaman lantarki.

2. Zinc granulation
A wanke kwandon zinc da aka tsiri sannan a sanya shi cikin tukunyar simintin ƙarfe. Gasa shi don narkewa kuma a ci gaba da dumi har tsawon sa'o'i 2. Cire Layer na sama na datti, zuba shi don sanyaya, kuma a jefa shi a kan farantin karfe. Bayan ƙarfafawa, ana samun ƙwayoyin zinc.

3. Maimaita zanen tagulla
Bayan an daidaita hular tagulla, a wanke ta da ruwan zafi, sannan a ƙara wani adadin adadin 10% na sulfuric acid a tafasa na tsawon mintuna 30 don cire saman oxide Layer. Cire, wanke, kuma bushe don samun tsiri na jan karfe.

4. Mai da sinadarin ammonium chloride
Saka baƙar fata a cikin silinda, ƙara ruwan dumi 60oC kuma motsawa na tsawon awa 1 don narkar da duk ammonium chloride cikin ruwa. A bar shi ya tsaya cak, a tace, sannan a wanke ragowar tacewa sau biyu, sannan a karbo uwar giyar; Bayan uwar barasa ta zama Vacuum distillation har sai wani farin fim na crystal ya bayyana a saman, an sanyaya shi kuma a tace shi don samun lu'ulu'u na ammonium chloride, kuma ana sake yin amfani da giya.

5. Mai da manganese dioxide
A wanke ragowar tacewa da ruwa har sau uku, sai a tace shi, sai a zuba biredin tace a cikin tukunyar sai a sauke kadan carbon da sauran kwayoyin halitta, sai a zuba a cikin ruwa sai a juye shi sosai tsawon minti 30, sai a tace. bushe da kek ɗin tacewa a 100-110oC don samun baƙin ƙarfe manganese dioxide.

6. Ƙarfafawa, zurfafa binnewa, da adanawa a cikin nakiyoyin da aka yi watsi da su
Misali, wata masana'anta a kasar Faransa tana fitar da sinadarin nickel da cadmium daga cikinta, wadanda ake yin amfani da su wajen yin karfe, yayin da ake sake amfani da cadmium wajen samar da batura. Sauran batir ɗin sharar gabaɗaya ana kai su zuwa wuraren shara masu guba da haɗari na musamman, amma wannan aikin ba wai kawai tsadar kaya ba ne, har ma yana haifar da ɓarna, saboda har yanzu akwai abubuwa da yawa masu amfani waɗanda za a iya amfani da su azaman ɗanyen kaya.