Environmental Pollution Control: Brick And Tile Mixed With Printing And Dyeing Sludge To Make Bricks

　　 Haimen City, Jiangsu Province recently tried brick and tile blending. printing and dyeing The method of sludge has made an economic and environmental pollution control way for printing and dyeing sludge.

In order to effectively strengthen the printing and dyeing sludge disposal work, Haimen City Environmental Protection Bureau actively explores suitable treatment methods for printing and dyeing enterprises in many areas, which not only ensure the safe disposal of printing and dyeing sludge, but also increase the economic burden of enterprises.

In the process of promoting the work, the environmental protection department and the brick and tile industry association have jointly screened 5 brick making enterprises with large scale of production, standardized management, strong technical force and stable quality control. Blending burning Printing and dyeing sludge to make bricks. There are 6 aspects of management requirements for brick and tile factories in spanportation, storage and blending of dyeing and finishing sludge. First, it is necessary to build standardized storage sites for sludge. Two, sludge spanport should not be allowed to use open shed vehicles. During the spanportation of sludge, measures should be taken to prevent leakage and spilling. Three, spanfer of sludge must be carried out when spanferring sludge. The joint order should be kept for at least two years. Four, without the permission of the environmental protection department, no printing and dyeing sludge should be piled up outside the factory or disposal site; five, establish a sludge management ledger system, and record the amount and source of sludge in real time. environmental protection Department. Six, it is not allowed to illegally handle other sludge and the sludge outside the city's area.

Since the test, the disposal method of the printing and dyeing sludge entrusted to the brick and tile factory is effective, and the preliminary economic and environmental benefits have been obtained.