This week, GN Separation successfully completed the assembly of a batch of GNLW364 decanter centrifuges, which will soon be delivered to an overseas pharmaceutical client for deployment in their wastewater treatment facilities.
The Role of Decanter Centrifuges in Pharmaceutical Wastewater Treatment
Pharmaceutical manufacturing generates complex wastewater streams that may contain organic compounds, solvents, heavy metals, and biological contaminants. Decanter centrifuges provide a robust and efficient solution by using high centrifugal force to continuously separate solids from liquids. Their ability to handle a wide range of particle sizes, solids concentrations, and fluid viscosities makes them particularly well-suited for pharmaceutical wastewater applications.
Beyond achieving reliable separation performance, decanter centrifuges help reduce sludge volume, recover reusable water, and support resource recovery—contributing to circular economy practices within the pharmaceutical industry.
Key Features of GN’s GNLW364 Decanter Centrifuges
1. Duplex Stainless Steel 2205 for Superior Durability
The bowl and screw conveyor of the GNLW364 are made from duplex stainless steel 2205, a material known for its excellent corrosion resistance and mechanical strength. GN employs centrifugal casting to ensure uniform density and eliminate internal defects, resulting in stable, vibration-free operation even at high rotational speeds.
2. Tungsten Carbide Wear Protection
To maximize service life, the screw conveyor blades are protected with tungsten carbide tiles and a spray-welded coating. As one of the hardest engineering materials, tungsten carbide provides outstanding resistance to abrasion caused by solids such as sand, silica, and undissolved chemicals, significantly reducing maintenance frequency and lifecycle cost.
3. Triple VFD Control for Adaptive Operation
Pharmaceutical wastewater characteristics can vary greatly. GN’s triple VFD control system allows operators to independently adjust bowl speed, differential speed, and feed pump rate to suit changing process conditions. This real-time adaptability ensures optimal separation performance for both high-solids sludge and low-turbidity effluent.
Supporting Sustainable Pharmaceutical Manufacturing
Through advanced materials, robust wear protection, and intelligent control systems, GN Separation’s decanter centrifuges deliver a reliable and cost-effective solution for the pharmaceutical sector’s evolving environmental and regulatory demands. As the industry accelerates its sustainability initiatives, GN Separation remains a trusted partner in building cleaner, more efficient wastewater treatment processes.