Used vertical stainless steel mixing tank with total volume 2900 l. Tank has internal diameter 138 cm x length of straight side of wall 196 cm. Flat bottom with side wall discharge outlet, equipped with manually operated valve. Top welded, equipped with manway with lid, diameter 40 cm. Tank is equipped with two paddle agitator, driven by gearbox and el motor with power 1 kW. Tank is mounted on three stainless steel legs.