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Acasă Business Depozitarea carbonului in tuburi gigantice pe fundul marii, o noua propunere pentru combaterea incalzirii globale

Depozitarea carbonului in tuburi gigantice pe fundul marii, o noua propunere pentru combaterea incalzirii globale

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Depozitarea carbonului pe fundul marii. Aceasta este o noua propunere care vine din partea unui expert canadian in captarea si sechestrarea carbonului, David Keith, informeaza Earth Times.

Acesta propune ca emisiile de gaze cu efect de sera sa fie inmagazinate pe fundul marii in tuburi gigantice din plastic cu o lungime de cativa kilometrii si cu diametrul a doua terenuri de fotbal.

Keith, directorul de cercetare al sistemelor energetice din cadrul Universitatii Institutului pentru energie, mediu si economie sustenabile Calgary din Canada recunoaste ca ideea este un pic ciudata la prima vedere..

„Dar privind indeaproape, planul ar putea fi realizat avand in vedere progresele tehnologiei din ziua de azi”, a declarat Keith, in cadrul unei conferinte de presa, inaintea prezentarii proiectului sau.

Keith a studiat posibilitatea functionarii ideii sale, care a fost mai intai propusa cu cativa ani inainte de Michael Pilson, un oceanograf din cadrul Universitatii Rhode Island din Statele Unite. Expertul canadian a calculat faptul ca sacii de depozitare a carbonului ar putea fi fabricati din plastic uzual pentru mai putin de 4 centi pe tona de carbon. Fiecare sac ar trebui sa sustina o greutate de 160 de milioane de tone de dioxid de carbon lichid, filtrat din statii energetice si alte surse industriale si trecut in stare lichida. Asta ar inseamna aproximativ 2 zile de emisii de gaze cu efect de sera in intreaga lume. Lichidul ar putea fi transportat prin intermediul conductelor.

Cel mai bun spatiu de depozitare a acestor saci ar fi in gropile abisale ale oceanelor adanci. Sacii ar sta scufundati datorita presiunii ridicate a apei adanci si a temperaturilor scazute, a calculat Keith.

Cea mai mare cheltuiala ar reprezenta-o captarea si transportul dioxidului de carbon. „Daca am putea reduce aceste cheltuieli, depozitarea in oceane ar putea fi o optiune de avut in vedere pentru reducerea emisiilor de gaze cu efect de sera”, a mai adaugat el.