Jiangsu Hengfeng Fine Chemical Co., Ltd.

.gtr-container-p7q2r9 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 16px; box-sizing: border-box; max-width: 100%; overflow-wrap: break-word; word-break: normal; } .gtr-container-p7q2r9 p { font-size: 14px; margin-bottom: 1em; text-align: left !important; } .gtr-container-p7q2r9 strong { color: #5CAC5C; font-weight: bold; } .gtr-container-p7q2r9 .gtr-heading { font-size: 18px; font-weight: bold; margin-top: 1.5em; margin-bottom: 1em; color: #333; text-align: left; } .gtr-container-p7q2r9 ul, .gtr-container-p7q2r9 ol { list-style: none !important; margin: 0; padding: 0; margin-bottom: 1em; } .gtr-container-p7q2r9 li { font-size: 14px; margin-bottom: 0.5em; position: relative; padding-left: 20px; text-align: left; list-style: none !important; } .gtr-container-p7q2r9 ul li::before { content: "•" !important; color: #5CAC5C; position: absolute !important; left: 0 !important; font-size: 1.2em; line-height: 1; top: 0; } .gtr-container-p7q2r9 ol { counter-reset: list-item; } .gtr-container-p7q2r9 ol li::before { content: counter(list-item) "." !important; counter-increment: none; position: absolute !important; left: 0 !important; color: #5CAC5C; font-weight: bold; width: 1.5em; text-align: right; top: 0; } @media (min-width: 768px) { .gtr-container-p7q2r9 { padding: 24px; max-width: 960px; margin: 0 auto; } .gtr-container-p7q2r9 .gtr-heading { margin-top: 2em; margin-bottom: 1.2em; } } As the world grapples with escalating water scarcity and stringent environmental regulations, the polyacrylamide (PAM) industry stands at the forefront of sustainable solutions. Jiangsu Hengfeng Fine Chemical Co., Ltd., a premier manufacturer of high-quality PAM powder and emulsion, has emerged as a trailblazer by integrating cutting-edge AI technology with eco-friendly production practices—aligning with 2026’s top global trends in sustainability and digital transformation. The Global Context: Water Crisis & AI-Driven Innovation 2026 has witnessed a surge in Google searches for "sustainable water treatment", "AI in chemical manufacturing", and "green polymer solutions", reflecting urgent demand for technologies that balance industrial efficiency with environmental stewardship. The polyacrylamide market, projected to grow at a CAGR of 6.1% (2026–2028) to reach $17.1 billion, is driven by tightening EPA and EU wastewater standards, as well as the booming oil and gas sector’s need for enhanced oil recovery (EOR) solutions. Concurrently, Google’s 2026 I/O conference highlighted Gemini 3.5 AI models and "Agentic AI" as game-changers for industrial optimization—trends Hengfeng has strategically embraced. Hengfeng’s 25-Year Legacy: Quality Meets Innovation With 25 years of specialized experience, Jiangsu Hengfeng Fine Chemical has solidified its position as a trusted global supplier of PAM products, including: Anionic PAM Powder/Emulsion: Ideal for wastewater treatment, mining, and EOR. Cationic PAM Powder/Emulsion: Perfect for sludge dewatering and municipal water purification. Non-Ionic PAM: Used in paper manufacturing and soil stabilization. Unlike generic manufacturers, Hengfeng has invested heavily in AI-powered production lines that leverage real-time data analytics to optimize polymerization, reduce waste, and ensure consistent product quality—cutting production costs by 15–20% while minimizing carbon footprints. This digital transformation aligns with Google’s vision of AI-driven industrial efficiency, making Hengfeng a standout in the global PAM market. Sustainability at the Core: Green Chemistry for a Circular Economy In 2026, circular materials and biodegradable polymers dominate sustainability conversations, and Hengfeng is leading the charge in eco-friendly PAM production. The company’s state-of-the-art facility in Jiangsu adheres to ISO 14001 environmental standards and produces low-residual PAM (residual monomer

A textile dyeing factory located in Rayong experienced serious sludge dewatering problems in its plate-and-frame filter press system after expanding production capacity. The sludge generated from the DAF and physicochemical treatment systems contained high levels of surfactants, dye residues, and organic matter, resulting in poor dewatering performance. The plant faced high sludge moisture content, sticky sludge cakes, frequent filter cloth blockage, and unstable filter press operation. By introducing Hengfeng Nonionic 1185 and optimizing the sludge conditioning process, the factory successfully improved dewatering efficiency and stabilized long-term operation. Site Overview Industry: Textile dyeing & finishingLocation: RayongSludge treatment capacity: 70–90 tons/day (wet sludge) Sludge Characteristics · High organic and surfactant content · Strong viscosity and compressibility · Fine colloidal particles and fiber residues · Sludge concentration: 1.5–2.5% Dewatering System · Filter press units · Polymer prepared at 0.1% concentration · High-pressure mechanical filtration system Initial Issues Before optimization, the plant experienced: · Sludge cake moisture content of 82–85% · Sticky sludge cakes difficult to discharge · Filtration cycles exceeding 3–4 hours · Frequent filter cloth clogging · High polymer consumption with unstable performance · Sludge leakage between filter plates Frequent shutdowns for cleaning and maintenance reduced overall production efficiency. Problem Analysis After on-site inspection and sludge testing, Hengfeng’s technical team identified several key issues. 1. Weak Sludge Conditioning The previously used polymer produced loose flocs that collapsed easily under high-pressure squeezing, resulting in poor filtration permeability. 2. High Organic & Surfactant Interference Residual surfactants and organic matter increased sludge viscosity and water retention, making dewatering more difficult. 3. Improper Polymer Preparation Insufficient polymer aging time reduced molecular chain extension and weakened flocculation performance. 4. Excessive Shear Force Strong agitation after polymer addition damaged floc structure before entering the filter press. Technical Solution Optimized Polymer Selection Hengfeng recommended Nonionic Polyacrylamide 1185, featuring: · Strong adsorption and bridging capability · Excellent compatibility with textile sludge · Improved sludge cake permeability · Better resistance to pressure filtration shear The product significantly improved floc density and filtration performance. Process Optimization Polymer Preparation · Polymer concentration increased to 0.15% · Aging time extended to 60–90 minutes Dosage Optimization · Dosage adjusted to 4.0–5.0 kg/t DS · Fine-tuned according to cake dryness and filtrate clarity Mixing Optimization · Polymer injection point moved closer to the filter press feed tank · Mixing intensity reduced after polymer addition This preserved floc integrity and improved filtration efficiency. Equipment & Operation Optimization Hengfeng engineers also assisted in optimizing: · Feed pressure sequence · Filtration cycle timing · Plate squeezing pressure · Filter cloth cleaning frequency These adjustments reduced cloth blockage and improved continuous operation stability. Performance Results After optimization and continuous monitoring: · Sludge cake moisture decreased to 72–76% · Filtration cycle time shortened to 2–2.5 hours · Sludge cakes became firm and easy to discharge · Filtrate clarity improved significantly · Filter cloth clogging was greatly reduced · Polymer consumption decreased by 15–20% · Overall system achieved stable continuous operation The plant successfully reduced sludge disposal costs and maintenance downtime. Project Outcome Through optimized polymer selection, improved sludge conditioning, and standardized process control, Hengfeng successfully enhanced the performance of the plate-and-frame filter press system in textile sludge dewatering. This project demonstrated that efficient sludge dewatering depends not only on equipment, but also on proper polymer selection, dosing strategy, and operational optimization. Hengfeng Commitment At Jiangsu Hengfeng Fine Chemical Co., Ltd., we provide more than flocculants — We deliver complete sludge dewatering solutions supported by: · Advanced polymer technology · Site-specific product optimization · On-site technical support · Operator training · Long-term operational guidance With Hengfeng Nonionic 1185, textile sludge dewatering systems can achieve lower sludge moisture, higher filtration efficiency, and stable long-term operation.

A municipal wastewater treatment plant recently faced challenges in its sludge dewatering system, where belt filter press performance had declined, resulting in high sludge moisture, excessive polymer consumption, and unstable cake formation. By introducing Hengfeng Cationic 9802 and optimizing the conditioning process, the plant significantly improved dewatering efficiency, reduced operating costs, and achieved stable, continuous operation. Site Overview Industry: Municipal wastewater treatmentSludge type: Mixed primary and secondary (biological) sludgeTreatment capacity: 1,800–2,200 m³/day (sludge processing line) Sludge characteristics:High organic content, poor dewaterability, sludge concentration 0.8–1.2%, with high extracellular polymeric substances (EPS), making flocculation difficult. Dewatering system configuration: · Belt filter press units · Polymer prepared at 0.1% concentration · Gravity thickening + pressure zone dewatering   Initial Issues · Sludge cake moisture content remained high at 82–85%  · Filtrate turbidity was high, with visible solids carryover · Flocs were small and weak, breaking easily under shear · Polymer consumption was high, yet performance remained unstable · Belt blinding and clogging occurred frequently, increasing cleaning frequency   Problem Analysis After on-site evaluation, several key issues were identified: 1. Inadequate Polymer Performance The previously used flocculant had insufficient charge density and molecular weight, leading to poor charge neutralization and weak bridging ability. Flocs formed were loose and easily destroyed in the press zone. 2. Poor Sludge Conditioning The sludge was not fully conditioned before entering the belt press. Mixing intensity and reaction time were insufficient, resulting in incomplete floc formation. 3. High Organic Content Interference Municipal biological sludge contains high levels of EPS and organic matter, which increases viscosity and water retention, requiring stronger cationic polymers for effective dewatering. 4. Non-Standardized Operation Polymer preparation and dosing lacked consistency. Solution aging time was insufficient, and operators relied heavily on experience rather than structured control, leading to fluctuating performance.   Technical Solution Optimized Polymer Selection Hengfeng recommended Cationic Polyacrylamide 9802, featuring: · Optimized cationic charge density · High molecular weight for strong bridging · Excellent adaptability to biological sludge The product significantly improved floc size, density, and resistance to shear.   Process Optimization Polymer preparation: · Concentration increased to 0.15%  · Aging time extended to 45–60 minutes to ensure full dissolution Dosage control: · Adjusted to 4.0–5.5 kg/t DS (dry sludge)  · Fine-tuned based on cake dryness and filtrate clarity Mixing optimization: · Improved flocculation tank mixing to ensure sufficient reaction time · Reduced shear before entering the belt press   Equipment Operation Adjustment · Optimized belt speed and pressure distribution · Balanced gravity drainage and الضغط zones · Reduced over-squeezing, which previously caused floc breakage   Operator Training & Standardization Hengfeng technical team provided on-site guidance to: · Standardize polymer preparation procedures · Establish visual floc evaluation standards · Train operators to adjust dosage based on real-time performance · Implement routine monitoring and record-keeping This ensured stable and repeatable operation.   Performance Results After implementation and continuous monitoring: · Sludge cake moisture reduced to 75–78%  · Filtrate became clear, with significantly reduced suspended solids · Polymer consumption decreased by 15–20%  · Flocs became large, dense, and resistant to shear · Belt clogging was eliminated, reducing downtime and cleaning frequency · Overall system achieved stable, continuous operation   Project Outcome Through optimized polymer selection, improved sludge conditioning, and standardized operation, Hengfeng successfully enhanced belt filter press performance in municipal sludge dewatering. This case highlights that effective sludge dewatering depends not only on equipment, but also on selecting the right flocculant and implementing proper process control.