several tanks this assures that the temperatures are raised to the desired level the outlet stream is tested in all points in time by a viscosity meter 96 two parallel tanks are included at 22 and 98 by appropriate switching they can handle flow on a continuous basis or by alternating thereby operating in a batch basis a representative dual centrifuge system is set forth in co pending patent application ser no 060 046 which was filed on apr 14 1998 that disclosure is incorporated by reference that disclosure is directed to a dual stage centrifuge system it has the advantage of being a skid mounted structure hence while heavy on the one hand it is nevertheless portable because the size readily adapts to a flat bed skid which is easily moved just as the equipment shown in fig6 is large but portable in the context both the centrifuges and the membrane separator tube assembly mounted on the truck in fig2 are movable just as readily all this equipment can be fixed otherwise the equipment can be located at a central collection point within trucking range of several plants the plant liquor from several plants can be trucked to that location for treatment reclamation and ultimate return of the starch components one important aspect to the present disclosure is the relative ease of adjustment of the set points at which separation is accomplished in general terms this is accomplished for each of the two centrifuges and the membrane nevertheless the set points for separation.