El biogas Isimba rinowanikwazve simba rinowanikwa kubva mukuora kwe organic matter mukuita kunonzi anaerobic digestion. Kuita uku kunoburitsa gasi rinoumbwa zvakanyanya nemethane (CH4) uye kabhoni dhaikisaidhi (CO2), iyo inogona kushandiswa sesimba rinobva. Biogas yakafanana negasi rechisikigo maererano nemaitiro ayo uye inogona kushandiswa mukugadzira magetsi, kugadzirwa kwemafuta kana sebiofuel.
Imwe yenzvimbo huru dzekugadzira biogas ndeye tsvina yemarara, semarara anobva kuzvipfuwo, kunyanya nguruve. Tsvina iyi inoendeswa kune biodigester kuburikidza nemapombi, uko inoora uye kugadzira biogas. Zvinofungidzirwa kuti munyika dzakaita seGermany, kune zvirimwa zvinodarika zviuru gumi zvebiogas nekuda kwekuvapo kwakasimba muindasitiri yezvipfuyo, ukuwo kuSpain, mukana wacho uchiri kusimukira.
Iyo biogas chirimwa muCampillos
La biogas chirimwa muCampillos, Málaga, ipurojekiti yakakosha mukushandurwa kwesimba kweAndalusia. Yakavhurwa muna Chikunguru 2016, chirimwa ichi chine simba rekurapa kusvika 60.000 matani e slurry pagore uye imwe organic tsvina. Simba rinogadzirwa rinoyevedza, rinosvika kupfuura 16 miriyoni kWh pagore, kubvumira makambani emunharaunda emabhizimisi ezvekurima kuti abatsirwe kubva kune yakavimbika uye yakagadzikana sosi yesimba.
Pakati pemakambani akabatana nechirimwa ichi, zvinotevera zvinomira pachena: PROCAVI, imwe yevagadziri vakuru veTurkey muEurope, uye GYPASA, kubva kuchikamu chenguruve. Uyezve, chirimwa chinoberekawo 10.000 matani emacompost pagore, iyo inoshandiswa sefetereza mukurima kwenzvimbo. Mupfudze uyu unovandudza kubereka kwevhu uye unobatsira kuderedza kudiwa kwefetereza yemakemikari, kusimudzira maitiro ekurima anoenderera mberi.
Zvakatipoteredza nemagariro evanhu
Kukanganisa kwezvakatipoteredza kwechirimwa kunoonekwa, sezvo kunobatsira zvakanyanya pakuderedzwa kwe Emissions yegreenhouse magasi. Inofungidzirwa kuti chirimwa chinoderedza zvinenge 13.000 matani eCO2 pagore, izvo zvakaenzana nekubvisa anopfuura 2.800 mota mumigwagwa. Uyezve, kurapa slurry kunodzivirira kusvibiswa kwemvura yepasi uye ivhu, dambudziko rakakura munzvimbo dzine zvipfuwo zvakawanda.
Mukutaura kwevanhu, nzvimbo yacho yakave nemigumisiro yakanaka kuburikidza nekugadzira basa remunharaunda mukugadzirisa tsvina nekugadzira simba. Uyezve, inopa muenzaniso wekutevera kune ramangwana agroindustrial biogas mapurojekiti muSpain. Chimiro cheCampillos chakaratidza kushanda kwayo kwehupfumi pasina kuenderana nerubatsiro rwehurumende, izvo zvinoratidzira kukosha kwekuzvimiririra musimba rinowanikwazve kunharaunda diki nemakambani.
Compost uye digestate kugadzira
Imwe yezvakanyanya kukosha byproducts yeanaerobic digestion process ndeye digestate, inova tsvina yakasimba inokonzerwa nekugadzirwa kwebiogas. Kugaya uku kwakapfuma mune zvinovaka muviri uye kunogona kushandurwa kuita organic fetereza inogona kushandiswazve mune zvekurima. Pachirimwa cheCampillos, anenge 10.000 matani emhando yepamusoro manyowa anogadzirwa gore negore.
Mupfudze unogadzirwa muno haungovandudze kunaka kwevhu chete asi unobatsirawo kuhupfumi hwedenderedzwa mudunhu. Izvi zvinoreva kuti hurongwa hwekugadzira hunovharwa nekushandisa marara yaimboonekwa semarara, yoashandura kuita zviwanikwa zvinobatsira kudzoreredza nekuvandudza ivhu rekurima.
Remangwana rebiogas muAndalusia
Andalusia ine mukana wakakura wekusimudzira zvirimwa zvitsva zvebiogas, kunyanya munzvimbo dzine huwandu hwezvipfuyo kana mapurazi ekurima. Parizvino, pane zvirongwa zvakawanda zviri kuitika, zvakaita se Bioreciric en Almería uye zvimwe zvinomera zvinomera mumapurovhinzi akaita seSeville neGranada.
Andalusia inotarisirwa kuve mutungamiri wenyika mukugadzira biogas. Muenzaniso wakajeka ndeye biomethane plant project in Andalusian matsime, Seville, iyo inoronga kugadzira 84,9GWh resimba pagore, rinokwana kugovera misha 22.500 XNUMX, uye anopfuura 9.500 toni ye CO2 inodziviswa.
Kuvandudzwa kwezvidyarwa zveagro-industrial biogas mudunhu hakungobatsiri chete mukuderedza kabhoni, asi zvakare kuchasimudzira kusikwa kwemabasa egirinhi uye kukurudzira kuzvigutsa kwesimba. Mapurojekiti senge ari muCampillos anomiririra danho rakakosha kune remangwana rakagadzikana reAndalusia nenyika yese.