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Performance Comparison of Polyacrylamide (PAM) in Wastewater Treatment and Sludge Dewatering: 4 Typical Case Studies

Release:2026-05-07 (0)

Inwastewater treatmentet procedentibus pinguibusPolyacrylamide(PAM) plays a critical role as a flocculant. Its dissolution efficiency, flocculation performance, and compatibility with dewatering equipment directly determine treatment effectiveness and effluent quality. However, improper product selection or operation often leads to poor results.

Performance Comparison of Polyacrylamide (PAM) in Wastewater Treatment and Sludge Dewatering

This article presents four real-world comparison cases, highlighting the huge differences between poor performance and correct performance, along with professional solutions fromHenan SeccoEnvironmental Technology Co., Ltd.

Case 1: PAM Mixing & Dissolution – Flocs vs. Uniform Solution

Facilitate pauper:

A manufacturer added PAM into a mixing tank but observed many insoluble, transparent “fish eyes” (PAM agglomerates). This is not only wastes chemicals but also clogs pumps and filters, seriously affecting subsequent treatment.

Correct Performance (Secco Solution):

Using Secco's high-purity anionic/cationic PAM, combined with standardized mixing and dosing, the polymer dissolves completely into a uniform, transparent solution – no lumps. Chemical utilization approaches 100%, laying a solid foundation for efficient flocculation.

Key technical point: PAM must be fully dissolved to maximize its bridging effect. Secco's PAM features uniform molecular weight distribution, rapid dissolution, and effectively avoids “fish eyes”.

Case 2: Sand Washing Wastewater Flocculation & Sedimentation – Turbid vs. Crystal Clear

Facilitate pauper:

Lavantia harena parasta PAM utilizat, resultat in small, slow-settling flores. The supernatant remained turbid, making re-use or discharge impossible. Fine harena etiam fugit aqua inundantia.

Correct Performance (Secco Solution):

Secco's customized high-molecular-weight anionic PAM for the sand washing wastewater producit large, fast setting flocks. Post sedimentationem supernatant is clar est, cum solidis (SS) suspensis removus > 95%. Aqua munda repleta in produkciju potest.

Captione imaginis: Sinstra – turbida, aqua grisa; Right – crystal clear water.

Case 3: Belt Filter Press Sludge Dewatering – Wet, Diluted Sludge vs. Dry Cake

Facilitate pauper:

Medicina wastewater pharmationis inferiora PAM utilizata ante imprensationem filtram cineres. The sludge flocks were loose, and after pressing the moisture content exceeded 85% – the sludge was still wet and runny, causing leakage during transport and high disposal costs.

Correct Performance (Secco Solution):

Secco's high-performance cationic PAM producit densas flores resistentes. After pressing, the sludge cake moisture content drops to 65–75%, forming cohesive, non-free water cakes. Discharge is smooth, significantly reducing transport and incineration/landfill costs.

Captione imaginis: Sinstra – humida, dilutera pigra; - Right – dry, firm cake.

Case 4: Filter Press Sludge Dewatering – Sticky, Wet Cake vs. Dry, Easy-to-Release Cake

Facilitate pauper:

Fabrica regula PAM in pulso filtro usata est. The sludge cake moisture content remained > 80%, et libus ad filtram pulsavit. Manual scraping frequenter erat, et vita vestimentorum brevissima erat.

Correct Performance (Secco Solution):

Secco's special cationic PAM, tailored for organic sludge conditioning, reduces cake moisture content to below 60% after pressing. Libum difficile est, facile automaticamente separat a filtrato vestimento, et interiora purificationis vestibus amplius tribus.

Captione imaginis: Sinstra – sticky, dripping libo; Right – dry, cracked cake that falls off naturally.

Why Choose Henan Secco Environmental Technology Co., Ltd.?

Professional R&D D & Facilitate: Plus 10 annos focus on polyacrylamide (PAM), polyaluminum chloride (PAC) and other water treatment chemicals. Product range includes anionic, cationic, non-ionic, and amphoteric series.

Customized formula for each client: Precise product selection based on your wastewater characteristics and equipment (belt press, filter press, centrifuge, etc.). Examinationes laboratorii liberis et pilot probationes.

Performance guarantee: No dissolution lumps, fast flocculation, dry sludge cake, crystal clear effluent – or your money back.

Stable supply: Annual production capacity of tens of thousands of tons, strictly meeting GB/T 17514-2017 or equivalent international standards.

Get Your Custom Dewatering Solution Today

Si facitis problemas, sicut humiliatio libi magni, fluctus turbidis, aut solitudo chemicalis, kontactate nos in exemplis liberis et laboratoriis testibus. Henan Secco – converting every drop of muddy water into a resource.


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