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ENERGY SAVING IN EDIBLE OIL PROCESSING PLANTS, BY APPLICATION OF A TOTAL-ENERGY (TE) SYSTEM

Ziel



IT IS WELL KNOWN THAT IN PUBLIC ELECTRICITY GENERATION STATIONS ONLY 34 - 40 % OF THE TOTAL ENERGY INPUT IS CONVERTED INTO ELECTRICITY; 60 - 66 % OF THE ENERGY INPUT IS LOST AS HEAT. IN TOTAL ENERGY SYSTEMS ELECTRICITY IS PRODUCED IN SUCH A WAY THAT HEAT IS DISCHARGED AT A USEFUL TEMPERATURE, SO THAT IT MAY BE USED.

IN THE PAST THE APPLICATION OF TE-SYSTEMS WAS ONLY FEASIBLE FOR CAPACITIES OF AT LEAST 10 MW. RECENTLY, HOWEVER, RELIABLE SMALLER TE-UNITS, DRIVEN BY GAS OR DIESEL ENGINES, HAVE BECOME AVAILABLE AND THEIR APPLICATION IN SMALLER PLANTS IS NOW FEASIBLE.

TNO MADE A FEASIBILITY STUDY TO INVESTIGATE UNDER WHAT CONDITIONS ENERGY SAVING BY MEANS OF TE-SYSTEMS CAN BE IMPLEMENTED IN EDIBLE OIL PROCESSING PLANTS. EDIBLE OIL PROCESSING PLANTS - LIKE EXTRACTION PLANTS, REFINERIES, ETC. - UTILIZE, IN ADDITION TO ELECTRICITY, ENORMOUS QUANTITIES OF LOW PRESSURE STEAM (3 - 10 BAR). THIS MAKES THIS INDUSTRY AN INTERESTING CANDIDATE FOR THE APPLICATION OF A TOTAL ENERGY SYSTEM.

PROVIDED THAT THE ELECTRICITY SUPPLY AUTHORITIES ARE CO-OPERATIVE, THE INSTALLATION OF TOTAL ENERGY PACKAGES AT FACTORY SITES CAN BE COST-EFFECTIVE. IT IS NECESSARY TO IDENTIFY THE DEMAND FOR ELECTRICITY AND HEAT, AND TO QUANTIFY THE GRADE OF HEAT NEEDED AND THE FUEL AVAILABLE ON SITE BEFORE DECIDING ON THE TYPE OF SYSTEM TO BE ADOPTED, IF ANY.

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CIVO INSTITUTES TNO
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