Kushandiswa kwemarara kwekugadzirwa kwesimba rinodzokororwa ndeimwe yenheyo dzekusimudzira kwakasimba nhasi. Imwe yeanonyanya kuvimbisa tekinoroji ndeyekugadzirwa kwe biogas, gasi rinogonekazve rinowanikwa kubva pakuvirisa kwe organic matter pasi peanaerobic mamiriro. Iyi nzira haingopi simba rakachena chete, asi inobatsirawo kuderedza kuwanda kwemarara anogadzirwa nemaindasitiri ezvekudya.
Muenzaniso wakanakisa weiyi tekinoroji ndiyo yekutyaira chirimwa chekuchenesa mvura yetsvina uye kugadzirwa kwebiogas kwakagadzirwa mukati meiyo HUPENYU WOGAnMBR chirongwa. Ichi chirongwa chine chinangwa chekugadzira biogas kubva mumaindasitiri organic tsvina, seaya anogadzirwa nekugadzirwa kwe macroquette echando uye fries fries.
Biogas inogadzirwa sei kubva mumarara echikafu?
Biogas inowanikwa kuburikidza nenzira inonzi anaerobic digestion, uko tupukanana tunoodza marara munzvimbo isina oxygen. Mumaindasitiri ezvekudya, marara aya akawanda uye anogona kusanganisira zvese kubva pakudya zvakasara kusvika kumafuta nemafuta anogadzirwa panguva yekugadziriswa.
Chigadzirwa chekuyedza chakagadzirwa muWOGAnMBR chirongwa chinoshandisa AnMBR tekinoroji (Anaerobic Bio Reactor Membrane), iyo inobvumira kurapwa kwakanaka kwemvura yakasviba yakatakurwa nezvinhu zvehupenyu. Iyo biogas inowanikwa kubva mukuita uku inogona kushandiswa sesosi yesimba kune maindasitiri zvirimwa pachazvo, kuderedza kutsamira kwavo pamafuta ezvicherwa.
Nyaya dzebudiriro muindasitiri yezvekudya
AnMBR tekinoroji yakashandiswa zvinobudirira mumaindasitiri akati wandei, senge fekitori yechikafu yakaomeswa nechando Eurofrits, iri muPozuelo de Alarcón (Madrid), uye pa matatano muBurgos. Makambani aya akakwanisa kutora mukana wemarara anogadzirwa mukugadzira kwavo kugadzira biogas iyo vanozoshandisa mukushandisa mukati mumafekitori avo.
Pamusoro pekudzikisa kugadzirwa kwematope uye kugadzira biogas, tekinoroji iyi inobvumirawo kusefa kwepamusoro kwemvura, iyo inogona kushandiswazve pakudiridza. Nenzira iyi, maindasitiri haangoderedzi mashandisiro aanoita zviwanikwa, asi zvakare anoderedza huwandu hwemarara hwaanogadzira.
Imwe nyaya yakakurumbira ndeye WELTEC Biopower, iyo yakagadzira chirimwa chebiogas kukambani yeFrance Altho, mbatatisi chip mugadziri. Muchirimwa ichi, marara ekugadzira uye marara kubva kumatanho ekugeza mbatatisi anoshandiswa kugadzira biomethane, inosvika kugadzirwa kwe200 cubic metres yebiomethane paawa, yakaenzana nekushandiswa kwesimba kweguta diki.
Kugoneka kwehunyanzvi uye kwehupfumi
Panyaya yeEurofrits neMatutano pilot plant, kugona kwehunyanzvi kwerudzi urwu rweprojekiti kwakaratidzwa nekusvika kusvika. 9.600 marita ebiogas pazuva ine methane mhando ye75%. Uyezve, iyo kuchinjika yeAnMBR tekinoroji inobvumira kuita kwayo muzvikamu zvakasiyana zveindasitiri yechikafu.
Izvo zvakasiyana-siyana zvetekinoroji yakakosha, sezvo chirimwa chimwe nechimwe chinogona kuchinjika zvichienderana nehunhu hwemvura uye organic mutoro wemarara anogadzirwa. Nenzira iyi, chero indasitiri yechikafu inogadzira tsvina yehupenyu inogona kubatsirwa kubva kune iyi tekinoroji, optimize mashandisirwo ezvigadzirwa uye kuderedza chizvarwa chemarara.
Companies like Cavendish Mapurazi, purosesa yembatatisi muCanada, zvakaratidzawo kuti kushandiswa kwemarara kunogona kuve nekukanganisa kukuru mukuderedza kuburitswa kwegasi rinopisa. Nekushandisa gwenya rebiogas, kambani iyi yakadzikisa kutsamira kwairi kuita mafuta efossil nezvikamu makumi matatu kubva muzana uye yakaderedza kuburitswa kwemafuta nematani 30 35.000 pagore.
Zvimwe zvinobatsira zvakatipoteredza
Kushandiswa kwebiogas kwete chete kune simba rakanakira, asiwo kunobatsira kune denderedzwa hupfumi nekuvhara kutenderera kwekugadzira uye kushandiswa mune imwe nzira inoshanda uye yakagadzikana. Semuenzaniso, tsvina yakasimba inokonzerwa neanaerobic digestion process inogona kushandiswa se fetiraiza zvemhando yepamusoro zvekurima, kudzorera kudya kuvhu.
Pamusoro pezvo, kudzikisa huwandu hwemarara anotumirwa kunoraswa kunoderedza kuburitswa kwemagasi egreenhouse akaita semethane, ayo anobatsira kudzikisira shanduko yemamiriro ekunze. Saizvozvo, sezvakaratidzwa mukurapwa kwemvura yakapfuura, mvura yakasefa inogona kushandiswazve mumaindasitiri, izvo zvinoderedza kudiwa kwemvura kumakambani.
Muchidimbu, mapurojekiti ekugadzira biogas kubva mumarara seaya anobva chips y macroquettes akaomeswa nechando Izvo zvinoratidza zvakajeka kuti indasitiri yezvekudya inogona kuve yakagadzikana uye yekuzvimirira, zvese zvine simba uye zvakatipoteredza. Kubatanidza rudzi urwu rwetekinoroji inhanho yakakosha kune ramangwana rine hushamwari hwezvakatipoteredza.