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Biodisel este la fel ca motorina,dar in primul rand mai ieftin



In ultimii ani, biodiselul a devenit intr-un cuvant pe buzele ecologistilor europeni, un carburant des regasit in rezervoarele tractoarelor din agricultura, S-a dovedit un excelent inlocuitor al motorinei. Uleiul de rapita este supus suplimentar unui proces chimic pentru a afi utilizat fara probleme ca orice motor diesel – camioane, tractoare, combine, automobile etc. In Braila, uleiul de rapita nerafinat se foloseste din 2003 . De cativa ani, mai intai prin Ardeal, apoi prin sud si sud-est, ideea de inlocuire a motorinei clasice, devenita din ce in ce mai scumpa, cu motorina verde, a prins si in Romania. In judetul Braila metoda este utilizata din 2003, tractoare care folosesc ulei de rapita in loc de motorina existand de pe atunci in mai multe mari firme brailene. Una dintre ele este cea a presedintelui Asociatiei Producatorilor Agricoli, Costica Macelaru. In ferma de la Liscoteanca, el a incercat prima data un amestec de 20% ulei si 80% motorina, apoi, in cateva luni, a ajuns la 100% ulei. De regula, insa, utilizeaza un amestec de 80% ulei si 20% motorina. Metoda a fost pusa in practica pe trei tractoare romnesti9 U 650, si pe trei combine rusesti NIVA. "Pe utilaje performante nu am avut curaj, pentru ca am folosit doar ulei de rapiat brut, fara a fi supus procesului chimic care ii creste considerabil calitatea. Dar la cat de vechi erau tractoarelke, nici nu era nevoie de mai mult. Nu am facut nici o modificare la motor", a povestit Macelaru. Uleiul l-a achizitionat de la fabrica "Ulvex" din Tandarei. Biocombustibilul este la fel de bun ca motorina Conform explicatiilor fermierului, in timpul procesului de extragere a uleiului din samanta de rapita se remarca distinct trei faze de productie : presarea, degumarearea si rafinarea. Uleiul folosit de acelaru este preluat dupa degumare, adica un ulei nerafinat. Costa cu aproximativ 7.000–8.000 lei/litru mai putin decat motorina. Statistica arata ca, producerea unui litru de ulei de rapita costa mai mult decdat obtinerea unui litru de motorina. Pretul de valorificare este insa mai mic in cazul biocombustibililui, deoarece nu este accizat. "Nu am semnalat nicio diferenta incomportamentul utilajelor, nicio reactie. Au fost la fel de fiabile, la fel de puternice. Consumul chiar a fost sensibil mai mic decat in cazul motorinei. Exista insa o mare problema. Utilizarea uleiului de rapita a creat revolta in randul tractoristilor si combinelor din ferma, pentru ca in urma procesului de ardere, tot campul a fost impanzit de un puternic miros de gogosi sau cartofi prajiti, in functie de cum poftea fiecare", a spus in gluma Macelaru. Am facut economie de aproape 1 milion de lei/ha Ideea de umplere a rezervoarelor tractorului cu ulei i-au dat-o soferii veniti de la «Ulvex» sa preia recolta de rapita din ferma. I-am auzit pe soferii care au venit sa preia productia ca ei folosesc pe masini ulei de rapita. Am discutat cu unul din e, mi-a adus la inceput o cantitate mai mica, am aprobat si apoi m-am aprovizionat constant , direct de la fabrica. Tractoarele pe care am folosit eu uleiul au un consum la hectar, pentru efectuarea intregului set tehnologic de lucrari, de cca 100 litrii de motorina. La ulei, consumul a fost sensibil mai mic, iar la o diferenta de ptret de aproape 8.000 lei/litru am obtinut o economie din lucrarile mecanice de aproape 1 milion de lei la hectar" a precizat presedintele APA. Fermierul, un viitor producator de carburanti Daca in urmatorii ani se va pastra tendinta de inlocuire a motorinei cu biocombustibil, Romania va putea deveniun important pion in ceea ce priveste asigurarea materiei prime, rapita. Tocmai de aceea, inca din aceasta vara, reprezentanti ai mai multor fabrici de biocombustibil din Comunitatea Europeana au organizat intalniri cu marii cultivatori de rapita din judetul Braila, si au devenit cu oferte de finantare a culturii. "Uleiul de rapita e combustibilul viitorului. Deja se produce la scara industriala, iar Romania poate deveni unul din principalii furnizori de materie prima din Europa", a incheiat Macelaru Din informatiile pe care le detinem, in judet mai exista fermieri care utilizeaza biocombustibil la Oprisenesti, Viziru, Insuratei si Chiscani. Cati LUPASCU

Data adaugarii: 03.11.2006 Sursa Profitul Agricol
   
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