Solution of floc texture frivolous in water treatment process
Release time: 2024-05-16
Reasonable choice of flocculant: according to the water quality characteristics and processing requirements, select the appropriate flocculant.
In view of the problem of floc texture frivolous, the following solutions can be taken:
1. Adjust the type and dosage of flocculant and coagulant aid
Reasonable choice of flocculant: according to the water quality characteristics and processing requirements, select the appropriate flocculant. Different types of flocculants have different effects on charge neutralization and bridging of colloidal particles in water, and better flocculants need to be determined through experiments.
Control dosage: appropriate amount of flocculant, to avoid excessive or insufficient. Excessive dosing may lead to loose flocs, floating; insufficient may not effectively neutralize the charge, affecting the formation of flocs.
Use of coagulant aid: If necessary, a small amount of coagulant aid (such as polyacrylamide, etc.) can be added to enhance the sedimentation performance of the flocs. Coagulant aids can accelerate the formation and settling rate of flocs.
2. Optimization of water treatment process
Adjust the pH value: according to the water quality, by adding acid and alkali regulator to control the pH value in the appropriate range, to ensure that the flocculant can fully play a role.
Control the water temperature: where possible, adjust the water temperature to improve the flocculation effect. Too high or too low a water temperature may affect the effectiveness of the flocculant and the rate of chemical reaction.
Pretreatment: For wastewater containing a large amount of suspended solids, organic matter or grease, pretreatment (such as precipitation, air flotation, etc.) can be used to reduce its concentration and complexity, which is conducive to the subsequent flocculation process.
3. Improve hydraulic conditions
Adjust the stirring speed: reasonable control of the stirring speed, to avoid too high or too low stirring intensity on the floc damage or influence.
Optimize the design of sedimentation tank: to ensure that the water flow speed of sedimentation tank is uniform and stable, and to avoid local water flow too fast or too slow to cause flocs to float up.
Strengthen ventilation and aeration: increase ventilation holes or adjust aeration methods when appropriate to promote gas discharge and floc settlement.
4. Adopt combined process
Joint use of multiple flocculants: According to the water quality characteristics, it can be tried to use multiple flocculants in combination to enhance the flocculation effect.
Combined with other treatment processes: such as the flocculation process and air flotation, filtration and other processes combined to form a comprehensive treatment system to further improve the water treatment effect.
In summary, to solve the problem of floc texture frivolous need to consider a number of factors, and take appropriate measures to optimize the treatment process and parameters. Through reasonable adjustment and management, the flocculation effect and water treatment quality can be effectively improved.
Focus on water treatment, only for the health of the world! henan elfolk chemical co., ltd. is a professional engaged in polymer flocculant research and development, production and sales of enterprises. The main products are "Green Water Clean" brand polyaluminium chloride, polyferric sulfate and other water purifying agents. With an annual output of 10,000 tons, the products are exported to all parts of the country and actively explore the international market. The company will continue to uphold the "integrity, innovation, win-win" business philosophy, to provide customers with quality products and services, to make due contributions to society.
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