The Larox DS Series filter is a totally enclosed design of vertical automatic pressure filter that utilizes a special polypropylene plate design to enable filtration of difficult materials in a contained cleanable environment. Each chamber has a filtrate collector plate on both the upper and lower side, each covered with a section of the endless filter cloth. This ensures double sided (DS) filtration as the filter cake forms on both the upper and lower sides of the chamber as the slurry is fed into each filter chamber. After successful filtration, the cake washing and subsequent squeezing and blowing can be configured to provide the optimum product. Several different washing options are available with the DS Series including slurry channel washing (via the slurry feed line), corner channel washing (from top of the cake down and across) and counter-flow washing (from the bottom of the cake up and across). The high squeezing pressures used after washing lead to lower residual moistures compared to other filtration processes. When combined with high pressure blowing of air or nitrogen through the cake during the squeezing step, the residual moisture can be reduced even further.
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