In the field of sludge treatment, the selection of dewatering agents is of vital importance, as it directly affects the efficiency and cost of sludge treatment as well as the feasibility of subsequent disposal. There are numerous brands of sludge dewatering agents on the market. How can one select the most suitable agent for municipal and industrial sludge dewatering from such a wide range of choices? This article will provide you with a detailed analysis and particularly recommend sludge enhancers.
I. Classification and Characteristics of Sludge Dewatering Chemicals
Sludge dewatering agents are mainly divided into two categories: inorganic agents and organic agents. Inorganic agents such as polyaluminium chloride, polymeric ferric sulfate and ferrous sulfate are widely used in the field of sludge dewatering due to their low cost, large dosage and remarkable effect. However, inorganic agents also have some drawbacks, such as excessive dosage leading to an increase in the volume of the filter cake and potential corrosion of equipment.
Organic agents are represented by polyacrylamide, including anionic, cationic and nonionic types, and are selected and used according to the different properties of the sludge. Organic agents do not cause equipment corrosion or other phenomena during use, nor do they contain chloride ions or calcium ions, which is conducive to the subsequent resource utilization treatment of sludge. However, traditional organic agents may have limited effects when treating some complex sludges.
Ii. Sludge Enhancer: The Outstanding Choice
Among the numerous sludge dewatering agents, sludge enhancers stand out with their unique advantages and have become the ideal choice for municipal and industrial sludge dewatering.
1. Efficient deep dehydration
Sludge enhancers can alter the surface structure of sludge, reduce the solid surface load and specific surface area of sludge, and destroy the structure of bacteria, thereby achieving deep dewatering of sludge. When used in combination with the plate and frame filter press, the moisture content of sludge can be reduced from over 90% to 40%-60%, fully achieving sludge reduction.
2. The dosage of the reagent is small and the cost is low
Compared with traditional sludge dewatering agents, sludge enhancers require less dosage and have a lower cost. This not only reduces the operating costs of enterprises, but also improves processing efficiency.
3. It does not corrode the equipment and extends its service life
The sludge enhancer does not contain chloride ions or calcium ions and will not cause corrosion to the equipment, thereby extending the service life of the equipment and reducing the equipment replacement and maintenance costs of enterprises.
4. Environmentally friendly and conducive to subsequent disposal
Sludge treated with sludge enhancers is more conducive to subsequent resource utilization, such as incineration, brick-making, composting, etc. Meanwhile, it will not cause secondary pollution and meets environmental protection requirements.
5. Wide applicability
Sludge enhancers are widely applicable to the dewatering and disposal of sludge in various industries such as daily life, printing and dyeing, papermaking, electroplating, chemical engineering, and leather. Whether it is municipal sewage treatment plants or industrial wastewater treatment facilities, there can be application Spaces for sludge enhancers.
When faced with a wide variety of sludge dewatering agents on the market, it is crucial to choose the appropriate ones for municipal and industrial sludge dewatering. Sludge enhancers have become leaders in the field of sludge dewatering due to their advantages such as high efficiency and deep dewatering, low dosage of chemicals, low cost, no corrosion to equipment, environmental friendliness and wide applicability.