Compared with mechanical sand reclamation processes, the FSP course of is gentler to the material. Binders are eradicated with out damaging the grains, and the tactic is just about dust-free. The fine-grain fraction of the reclaimed sand is decrease than 0.3% %, in response to FSP, which suggests there’ll seemingly be no further costs for dumping spent sand.
The sand is not dried with heated air; barely, water is remodeled from liquid to gasoline using energy recovered from the condensation stage. Mud particles are eradicated in a patented fluid-bed cooling separator.
Course of water is dealt with and maintained in a closed circuit. One metric ton of sand generates merely 12 liters of wastewater, which represents the one freshwater requirement. Because of the distillate is completely demineralized, it is greater suited to washing the sand than modern water.
Moreover, all through the distillation course of, condensation energy is recovered. Virtually all (95%) of the ability required for evaporation is recovered from condensation.
In line with FSP, its patented course of moreover might be utilized as a moist conditioning methodology for diverse forms of bulk provides.
As of late 2022 FSP reported it plans in order so as to add a thermal treatment stage to the pilot plant in Stuttgart, a course of that moreover will set new energy-efficiency necessities, in response to the developer.
Typical thermal and combined mechanical-thermal reclamation processes devour 22-30 m³ of gasoline per metric ton of sand reclaimed, the FSP experience reduces gasoline consumption to 13-16 m³ of gasoline/mt. Accordingly, foundries with sand processing fees of about 6 mt/hour might receive annual gasoline monetary financial savings estimated at € 240,000 euros (about $256,000.)
FSP claims to be the first producer of reclamation instruments that moreover gives contract reclamation suppliers. Beneath service contracts, the company processes used sand of varied origins in its private reclamation facilities, typically located near the purchasers or in some situations on the foundries’ premises. In each case, FSP GmbH is the operator of the reclamation plant.
“With our course of, foundries can save a number of energy and make their sand reclamation operations just about carbon-neutral on account of FSP generates the necessary energy itself by cogeneration backed with photovoltaics,” Zimmermann concluded.