Equipment facilitates separation of suspensions by sedimentation in transparent sedimentation tank. It consists of tank with pump to prepare and deliver a suspension comprising water and precipitated calcium carbonate, bypass to tumble and homogenise the suspension. Mixing of the suspension with fresh water in sedimentation tank inlet zone. Flow Adjustment of mixture of fresh water and suspension is done by valves.. Determination of solid concentrations at sedimentation tank inlet and outlet by Imhoff cones.