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Polyacrylamide (PAM) is a cornerstone in modern water purification and wastewater treatment, renowned for its efficacy as a flocculant. Its ability to aggregate suspended particles and promote their removal is rooted in sophisticated polymer science. NINGBO INNO PHARMCHEM CO., LTD. is at the forefront of supplying high-quality PAM, and understanding its working mechanism is key to appreciating its value.
At its core, water often contains tiny suspended particles that are too small to settle out easily. These particles are typically stabilized by surface charges, which cause them to repel each other. PAM, as a high molecular weight polymer, intervenes in this process through two primary mechanisms: charge neutralization and adsorption bridging.
Charge Neutralization: PAM can possess a net charge (anionic, cationic, or non-ionic). When a charged PAM is introduced into the water, its oppositely charged functional groups neutralize the surface charges of the suspended particles. This reduction in electrostatic repulsion allows the particles to come closer together. For example, cationic PAM effectively neutralizes negatively charged colloidal particles commonly found in wastewater.
Adsorption Bridging: This is a crucial mechanism, especially for high molecular weight PAM, regardless of its charge. The long, flexible polymer chains of PAM can adsorb onto the surface of multiple suspended particles simultaneously. By acting as a physical bridge between these particles, PAM links them together, forming larger, more stable aggregates known as flocs. These flocs are much easier to separate from the water through sedimentation, flotation, or filtration.
The effectiveness of PAM is influenced by factors such as its molecular weight, charge density (for ionic PAMs), and the specific characteristics of the water being treated (e.g., pH, ionic strength, and the nature of suspended solids). Higher molecular weight generally leads to more effective bridging, while the appropriate charge is vital for efficient charge neutralization. NINGBO INNO PHARMCHEM CO., LTD. provides a range of PAM products with varying molecular weights and ionic properties to suit diverse water treatment challenges.
By understanding these scientific principles, it becomes clear why PAM is such a versatile and powerful tool in water purification. It's not just about adding a chemical; it's about employing advanced polymer science to achieve cleaner water efficiently and effectively. NINGBO INNO PHARMCHEM CO., LTD. is committed to supplying the PAM that powers these essential processes.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
