Dipalit

Utilization of natural substances as sedimentation aids for clarifying effluents in the textile industry long predates written history. The first specific mention of lime and aluminus earth for this purpose appeared in the latter part of the first century AD. Use of such aids in large industrial plants appears to have started in the first part of the nineteenth century. In 1951, ushered a new era in solid liquid separations by chemical reagents. They were the first of a wide range of flocculants tailored to meet many needs such as clarification of water, treatment of municipal sewage and industrial wastes, textile, pulp and paper mills effluents etc.