polydadmac of FL4820 FL4653 FL4540 FL 4440 can be replaced by Chinafloc
FL4820 FL4653 FL4540 FL4440 are four kinds of polydadmac with different solid content and viscosity from 20%,35% to 40%.can be used for different water treatment and mineral processing.chinafloc--polydadmac can replace of them with better performance.
PolyDADMAC, short for Polydiallyldimethylammonium chloride, is a cationic polymer widely used in water treatment and mineral processing due
to its unique properties.
This highchargedensity polymer plays several critical roles in these fields, showcasing its versatility and effectiveness. Let's delve into its functions in water treatment and mineral processing in detail.
Water Treatment
Coagulation and Flocculation:
PolyDADMAC is primarily used as a coagulant and flocculant in water treatment processes.
It works by neutralizing the negatively charged particles (such as suspended solids, colloids, and organic matter) in water, promoting their
aggregation into larger particles or flocs.
This aggregation process is essential for the subsequent steps of sedimentation and filtration, as it makes the removal of contaminants more
efficient.
Turbidity Reduction:
By facilitating the aggregation of fine particles, PolyDADMAC significantly reduces water turbidity.
The reduction of turbidity is crucial for achieving clear water, which is a key quality parameter in drinking water treatment.
Enhancing Filtration Efficiency:
PolyDADMAC improves the efficiency of filtration processes by forming larger and more easily filterable flocs.
This enhances the performance of both sand filtration and membrane filtration systems.
Removal of Organic Matter:
PolyDADMAC is effective in removing dissolved organic matter, which is a precursor to disinfection byproducts in water treatment.
Its use reduces the formation of harmful byproducts like trihalomethanes (THMs) and haloacetic acids (HAAs) during chlorination.
Control of Algal Blooms:
It is used to control algal blooms in water bodies. By coagulating algae and facilitating their removal, PolyDADMAC helps in maintaining the
ecological balance and water quality.
Improving Disinfection:
By removing suspended solids and organic matter, PolyDADMAC enhances the effectiveness of disinfection processes.
Clearer water ensures better contact between the disinfectant and pathogens, leading to more effective disinfection.
Color Removal:
It is effective in removing color from water, especially in cases where the color is due to suspended particles or dissolved organic matter.
Sludge Dewatering:
In wastewater treatment, PolyDADMAC aids in sludge dewatering. By promoting the formation of larger flocs, it facilitates the separation of solids
from water in the sludge, making the dewatering process more efficient.
Mineral Processing
Flocculation in Mineral Extraction:
PolyDADMAC is used in the mining industry to facilitate the flocculation of fine mineral particles.
This is particularly important in the processing of ores where fine particles need to be aggregated for efficient separation.
Water Clarification:
In mineral processing plants, water clarity is essential for various processes. PolyDADMAC helps in clarifying process water by removing suspended
solids.
Filtration Aid in Mineral Concentrates:
It serves as a filtration aid in the dewatering of mineral concentrates. By forming larger particle aggregates, it allows for faster and more efficient
filtration.
Silica and Silicate Removal:
PolyDADMAC is effective in removing silica and silicate impurities from mineral ores. This is particularly important in industries where these
impurities can affect the quality of the final product.
Tailings Treatment:
It is used in the treatment of tailings in mining operations. By facilitating the aggregation and settling of fine particles, PolyDADMAC helps in the
efficient management of tailings.
pH Adjustment and Process Stabilization:
PolyDADMAC can be used to adjust the pH in mineral processing applications, contributing to the stabilization of the process environment.
Selective Flocculation:
Its ability to selectively flocculate certain mineral particles is exploited in mineral beneficiation processes. This selective flocculation aids in the
separation of desired minerals from the ore.
Reduction of Water Usage:
By improving the efficiency of the separation and filtration processes, PolyDADMAC contributes to reducing the overall water usage in mineral
processing plants.