Sludge Dewatering and Resource Recovery Solutions
For most sludge-treatment projects, the real objective is not simply to separate water from solids. Customers need stable equipment throughput, a manageable cake, clear separated water, lower hauling and disposal costs, and a process that can tolerate feed variation. GN New Chem combines sludge-conditioning chemicals, process know-how, GN separation equipment, and field services to improve the complete dewatering operation.
Typical Customer Challenges
- Fine or compressible solids that settle poorly and release water slowly.
- Weak flocs that break under pumps, mixers, centrifuge shear, or filter pressure.
- Low cake solids, cloudy centrate or filtrate, and high polymer consumption.
- Frequent process changes caused by variable sludge source, solids concentration, pH, or organic content.
GN Integrated Solution Approach
- Sludge sampling, characterization, and bench-scale polymer screening.
- Selection of coagulants, cationic or anionic flocculants, conditioning agents, pH modifiers, and supporting chemicals.
- Optimization of chemical preparation, dilution, dosing point, mixing energy, contact time, and equipment operating parameters.
- Integration with decanter centrifuges, filter presses, belt presses, screening equipment, conveying systems, and separated-water treatment units.
- On-site commissioning and performance tracking based on cake solids, centrate quality, throughput, chemical dosage, and total disposal cost.
Value to the Customer
- Higher cake dryness and reduced sludge hauling or disposal volume.
- Improved centrate or filtrate clarity and better downstream water-treatment performance.
- Higher equipment throughput and more stable operation.
- Lower total treatment cost through coordinated chemical and equipment optimization.
Typical Applications
Municipal sludge, industrial sludge, construction slurry, soil-washing sludge, dredging sludge, mineral-processing sludge, high-moisture solid waste, and other dewatering applications.
Send GN New Chem representative samples, available analysis data, current process information, equipment configuration, treatment targets, and operating constraints. Our team will review the application and propose a practical testing and evaluation plan covering chemicals, process conditions, equipment integration, and field implementation.