Menene Sharar Abinci ga Tasirin Muhalli

Rukunin zubar da shara na dafa abinci suna ƙara nauyin iskar carbon da ke isa wurin sarrafa ruwa, wanda hakan ke ƙara yawan iskar oxygen.Metcalf da Eddy sun ƙididdige wannan tasirin a matsayin 0.04 fam (18 g) na buƙatun oxygen na biochemical ga kowane mutum a kowace rana inda ake amfani da masu zubar da ruwa. Mai zubar da ciki ya yi kyau game da canjin yanayi, acidification, da amfani da makamashi, ya ba da gudummawa ga eutrophication da yuwuwar guba.

Wannan na iya haifar da ƙarin farashi don makamashin da ake buƙata don samar da iskar oxygen a cikin ayyuka na biyu.Duk da haka, idan an kula da maganin sharar gida da kyau, ƙwayar carbon da ke cikin abinci na iya taimakawa wajen ci gaba da bazuwar ƙwayoyin cuta, saboda carbon na iya zama rashin ƙarfi a cikin wannan tsari.Wannan ƙãra carbon yana aiki azaman mai rahusa kuma ci gaba da tushen carbon wanda ya zama dole don kawar da sinadarai na halitta.

Ɗayan sakamako shine mafi girman adadin dattin datti daga tsarin sharar ruwa.A cewar wani bincike da aka yi a cibiyar kula da ruwan sha ta East Bay Municipal Municipal Utility da EPA ke bayarwa, sharar abinci na samar da iskar gas sau uku idan aka kwatanta da najasa na karamar hukuma.Darajar iskar gas da ake samarwa daga narkar da sharar abinci na anaerobic ya bayyana ya zarce farashin sarrafa sharar abinci da zubar da ragowar biosolids (dangane da shawarar filin jirgin sama na LAX don karkatar da ton 8,000 na sharar abinci a shekara).

A cikin wani binciken da aka yi a masana'antar kula da najasa ta Hyperion a Los Angeles, amfani da mai zubar da ruwa ya nuna ƙarancin tasiri ga jimillar samfuran biosolids daga jiyya na najasa da kuma ƙarancin tasiri akan hanyoyin sarrafa kamar yadda babban lalata daskararru (VSD) daga sharar abinci ke haifar da ƙarancin ƙarancin abinci. adadin daskararru a cikin saura.

Yawan amfani da wutar lantarki shine 500–1,500 W, kwatankwacin ƙarfe na lantarki, amma na ɗan gajeren lokaci, jimlar kusan 3–4 kWh na wutar lantarki a kowane gida a kowace shekara.] Amfanin ruwa na yau da kullun ya bambanta, amma yawanci galan US L) na ruwa ga kowane mutum a rana, kwatankwacin ƙarin zubar da bayan gida.Ɗaya daga cikin binciken da aka yi na waɗannan sassan sarrafa abinci ya sami ɗan ƙaruwar amfani da ruwan gida.