Because of its high moisture content, dyeing sludge brings great challenges to the subsequent treatment and disposal of sludge. The use of sludge enhancer is an effective method to reduce the moisture content of sludge and save the cost of sludge disposal. Here's a closer look at the process:
First, the mechanism of action of sludge synergists
Sludge enhancer is a kind of chemical agent which can change the surface structure of sludge, reduce the solid surface load of sludge, reduce the specific surface area of sludge and destroy the structure of bacteria. Its main components include inorganic compounds, sludge surface structure modifier, degreaser, wall breaking agent, sludge surface treatment agent, sludge stripping agent and so on. Together, these ingredients can significantly improve the dewatering performance of the sludge and make the water in the sludge easier to separate.
Second, the effect of reducing the moisture content of sludge
High efficiency dehydration: sludge enhancer can significantly reduce the moisture content of printing and dyeing sludge. By reacting with the substances in the sludge, the cell structure and colloidal stability in the sludge are destroyed, so that the adsorptive water and capillary water in the sludge are easier to remove. In general, after the use of sludge synergists, the moisture content of the sludge can be reduced from more than 90% to 40%-60%, or even lower.
Improve the quality of mud cake: the sludge treated by the sludge synergist will form a thicker and more uniform mud cake during the press filtration process, avoiding the problem of "thin" and "runny" mud cake in the traditional method. This facilitates subsequent sludge treatment and disposal.
Third, save sludge disposal costs
Reduced transportation and disposal costs: As the water content of the sludge is significantly reduced, the volume and weight of the sludge are also reduced. This can not only reduce the energy consumption and cost during the sludge transportation process, but also reduce the load and expense of the sludge disposal site.
Improve the value of resource utilization: After reducing the moisture content of the sludge, the organic matter and other useful components in the sludge are better retained and enriched. This provides better conditions for the subsequent resource utilization of sludge (such as brick making, composting, etc.), thus improving the economic value of sludge.
Prolong the service life of the equipment: The use of sludge synergists can reduce the corrosion and wear of the dewatering equipment, and reduce the maintenance and replacement costs of the equipment. At the same time, due to the improvement of dehydration efficiency, the operation cycle of the equipment is also extended accordingly.
4. Application suggestions
Select the right sludge enhancer: According to the characteristics of printing and dyeing sludge and treatment requirements, choose the right sludge enhancer. Pay attention to the selection of reliable quality, effective products to ensure the treatment effect.
Optimization of treatment process: combined with the use of sludge enhancer, optimization of sludge treatment process. For example, the pretreatment process of sludge can be adjusted, and the appropriate dewatering equipment and parameters can be selected to further improve the dewatering efficiency and effect of sludge.
Strengthen management and monitoring: Strengthen management and monitoring in the sludge treatment process. The moisture content of sludge, mud cake quality and other indicators are regularly tested and analyzed, and the treatment plan and equipment parameters are timely adjusted to ensure the stability and reliability of the sludge treatment effect. In summary, it is an effective sludge treatment method to use sludge enhancer to reduce sludge moisture content. This method can significantly reduce the moisture content of sludge, improve the quality of sludge cake, save the cost of sludge disposal and promote the resource utilization of sludge.