Category Archives: Decanter centrifuge

GN Containerized Sludge Dewatering System for Overseas Sewage Treatment Project

As environmental standards tighten globally and wastewater treatment capacity expands at an unprecedented pace, effective sludge management has emerged as a decisive factor in the success of modern treatment facilities. For overseas projects—particularly those constrained by limited site space, underdeveloped infrastructure, or compressed delivery schedules—conventional fixed-installation equipment often falls short in terms of adaptability and deployment speed. Containerized sludge dewatering systems have therefore risen to prominence as the preferred answer to these challenges.

2026.05.08 Containerized Decanter Centrifuge Package


Core Equipment: GNLW364-VFD Decanter Centrifuge

2026.05.08 Sludge Dewatering Centrifuge

At the heart of this system sits the GNLW364-VFD Decanter Centrifuge, a purpose-built solid-liquid separation machine engineered for uninterrupted operation across fluctuating feed conditions. Its integrated Variable Frequency Drive (VFD) enables real-time adjustment of both bowl speed and differential speed, delivering peak separation performance regardless of sludge variability. This intelligent control translates directly into higher dewatering throughput, lower energy draw, and reduced long-term operating expenses.

Chemical Conditioning: 2000L Polymer Dosing Unit

Complementing the centrifuge is a 2,000-liter Polymer Dosing Unit, designed for accurate flocculant preparation and metered injection. Correct chemical conditioning is essential—it promotes robust floc formation, sharpens separation results, and drives down the moisture content of the final sludge cake. The dosing unit is built for dependable continuous service, with straightforward set-point adjustment and minimal maintenance demands.

Fully Containerized, Fully Integrated

All mechanical and process equipment is pre-installed inside two standard 20-foot shipping containers, creating a self-contained, weather-sealed, and transport-ready dewatering station. Key benefits include:

  • Rapid deployment — minimal on-site assembly required
  • Easy logistics — standard container dimensions fit global shipping routes
  • Weather resilience — fully enclosed structure protects sensitive components
  • Reduced civil works — no foundations or permanent buildings needed

These attributes make the system ideally suited for overseas installations where site preparation time and resources are scarce.

2026.05.08 Chemical Dosing Unit

System Integration: GN’s Differentiating Strength

What sets this project apart is GN’s end-to-end system integration philosophy. Rather than delivering isolated machines, GN engineers a complete, turnkey solution—combining mechanical separation, chemical dosing, piping networks, electrical controls, and process automation into one cohesive package. Every stage of the workflow—sludge reception, polymer conditioning, centrifugal dewatering, and cake discharge—is pre-designed, pre-assembled, and pre-tested to ensure seamless commissioning upon arrival at site.

The engineering team paid particular attention to interior layout optimization within the container footprint, balancing safe access for routine maintenance, logical material flow, and compact space utilization. A centralized electrical control and monitoring system allows operators to manage the entire process from a single interface, boosting reliability while cutting labor requirements.

Looking Ahead

This project exemplifies GN’s commitment to delivering more than equipment—it delivers complete, application-specific process solutions. The containerized sludge dewatering system embodies the future of wastewater treatment: compact, mobile, intelligent, and efficient.

As the global push for sustainable water and waste management intensifies, GN continues to invest in advanced separation technology and integrated engineering capabilities. Through ongoing innovation and real-world project experience, GN is dedicated to helping customers everywhere achieve sludge management that is smarter, more cost-effective, and kinder to the environment.

Big Bowl Decanter Centrifuge for Overseas Paper Mill Wastewater Treatment

With the continuous tightening of global environmental regulations and the growing emphasis on sustainable industrial production, wastewater treatment in the pulp and paper industry has become an increasingly important focus worldwide. Paper mills generate large volumes of high-strength wastewater containing fibers, suspended solids, organic matter, and residual chemicals from pulping and bleaching processes. Efficient solid-liquid separation is therefore essential for reducing environmental impact, improving water recycling efficiency, and lowering operating costs. Continue reading

Big Bowl Decanter Centrifuge for Overseas Paper Mill Wastewater Treatment

As global environmental regulations keep tightening and the call for sustainable industrial production grows louder, wastewater treatment in the pulp and paper industry has garnered worldwide attention. Paper mills produce substantial volumes of high-strength wastewater, which is laden with fibers, suspended solids, organic matter, and chemicals used in pulping and bleaching processes. To minimize environmental impact and enhance water recycling efficiency, efficient solid-liquid separation is of utmost importance.

2026.04.29 Sludge dewatering centrifuge

Sludge Dewatering Centrifuge: GN Separation’s Solution for Paper Mills

To tackle these challenges, GN Separation has successfully provided its cutting-edge Big Bowl Decanter Centrifuge, the GNLW554-VFD (featuring a 550 mm / 22-inch bowl diameter), for wastewater treatment applications in overseas paper mills. This equipment is engineered to deliver high-capacity, stable, and efficient separation performance, even under complex operating conditions.

The GNLW554-VFD decanter centrifuge stands out with its large 550 mm bowl diameter, which substantially boosts its processing capacity compared to traditional models. It is particularly well-suited for handling large volumes of industrial wastewater, making it an excellent choice for paper mill effluent treatment systems that demand continuous and reliable operation.

In paper mill settings, wastewater typically contains fine fibers, fillers like calcium carbonate and kaolin, and a high concentration of suspended solids. The centrifuge plays a pivotal role in separating these solids from the liquid phase, thereby alleviating the burden on downstream biological treatment systems and enhancing overall treatment efficiency. The separated solids can often be further processed or disposed of more cost-effectively, while the clarified liquid can be reused or safely discharged in accordance with environmental standards.

Paper Mill Wastewater Decanter Centrifuge: Advanced Features

The GNLW554-VFD model is equipped with a Variable Frequency Drive (VFD) control system, enabling flexible adjustment of bowl speed and the differential speed between the bowl and screw conveyor. This ensures optimal separation performance under varying feed conditions. Operators can easily fine-tune the operational parameters to strike the perfect balance between solids dryness and liquid clarity.

Moreover, the centrifuge is designed for robustness, capable of continuous 24-hour industrial operation. Its key components are crafted from wear-resistant materials to extend service life when handling abrasive slurry commonly found in paper mill wastewater. The compact structure also facilitates easier installation and maintenance, reducing overall operational costs for end users.

2026.04.29 Paper mill wastewater decanter centrifuge

Overseas customers in the paper industry are increasingly favoring mechanical dewatering solutions like decanter centrifuges due to their smaller footprint, reduced chemical consumption, and higher automation level compared to traditional sedimentation systems. The successful implementation of the GNLW554-VFD further underscores GN Separation’s ability to deliver reliable and efficient separation solutions for global environmental protection initiatives.

GN Separation remains committed to innovation in solid-liquid separation technology, serving a diverse range of industries including wastewater treatment, mining, oil & gas, and chemical processing. The deployment of the big bowl decanter centrifuge in overseas paper mill projects represents another significant stride in supporting global sustainable development and reducing industrial wastewater.

A conrner of GN decanter centrifuge workshop

GN Separation recently offered a glimpse into its modern manufacturing capabilities with a corner of its decanter centrifuge workshop, where precision engineering meets scalable production. The facility reflects the company’s ongoing commitment to delivering reliable and high-performance separation equipment to customers worldwide. Continue reading

GN will Show at IFAT Munich 2026 in Germany this May

Exhibition Name: IFAT Munich 2026
Exhibition Date: May 4 – May 7, 2026
Location: Munich Exhibition Center (Neue Messe München), Germany
GN Booth: Hall A1 – Booth 104I

IFAT Munich stands as the premier global event for environmental management solutions, drawing thousands of exhibitors and professional visitors from the water, wastewater, waste, and raw materials sectors. It serves as a pivotal gathering for engineers, contractors, municipal authorities, and industrial end users, all in search of cutting-edge technologies to tackle pressing global issues like wastewater treatment, sludge reduction, resource recovery, and sustainable development. For environmental sector companies, IFAT is more than just a product exhibition; it’s a strategic nexus for technology exchange and international collaboration.

At IFAT Munich 2026, GN will take center stage with its high-performance decanter centrifuge series, engineered for the efficient separation of sludge, slurry, and industrial wastewater. Decanter centrifuges are integral to modern sludge dewatering systems, offering continuous operation, high solids recovery rates, and consistent performance even under fluctuating feed conditions. GN’s centrifuges, featuring optimized bowl designs, advanced wear-resistant materials, and intelligent control systems, find extensive applications in municipal wastewater treatment plants, oil and gas drilling waste management, mining operations, and industrial process water treatment.

20260416 GN IFAT Munich 2024

Beyond decanter centrifuges, GN will also showcase integrated sludge dewatering solutions that seamlessly blend separation equipment with conveying and dosing systems. These integrated systems are crafted to enhance overall efficiency, slash operating costs, and minimize environmental footprints, empowering customers to achieve more sustainable and cost-effective operations.

Over the years, GN has consistently invested in research and development to elevate separation performance and equipment reliability. Its engineering team is dedicated to delivering practical solutions that cater to the evolving needs of global customers, especially in high-demand industries where efficiency and environmental compliance are paramount.

As environmental regulations tighten globally, the demand for advanced solid-liquid separation technology continues to surge. GN’s participation in IFAT Munich 2026 underscores its unwavering commitment to bolstering global sustainability initiatives and fostering deeper cooperation with international partners.

GN extends a warm invitation to industry professionals, partners, and visitors to visit Booth A1-104I at IFAT Munich 2026. Here, you can delve into innovative separation technologies and explore potential collaboration opportunities.

GN will Show at IFAT Munich 2026 in Germany this May

GN Separation is pleased to announce its participation in IFAT Munich 2026, one of the world’s leading trade fairs for water, sewage, waste, and raw materials management. The event will take place from May 4 to May 7, 2026, at the Neue Messe München exhibition center in Munich, Germany. Continue reading

GN Will Show at IE Expo China 2026 in Shanghai Shortly

  • Date: April 13 – 15, 2026
  • Location: Shanghai New International Expo Centre, Shanghai, China
  • Booth Number: W5 – D752026.04.07 GN at IE Expo W5 D76

2026.04.07: GN at IE Expo (Booth W5 – D76 Note – Actual Booth is W5 – D75)

During the exhibition, GN Separation will put its high – performance sludge dewatering centrifuges on display. These centrifuges are specifically engineered to perform efficient solid – liquid separation. They are designed with the aim of optimizing the dewatering process, cutting down on operational costs, and delivering reliable and eco – friendly solutions for both municipal and industrial wastewater treatment scenarios. Thanks to their proven performance and advanced engineering, GN’s centrifuges enable clients to obtain consistent results while also advancing their sustainability objectives.

2026.04.05 GN Sludge Dewatering Centrifuge Package

2026.04.05: GN Sludge Dewatering Centrifuge Package

Moreover, GN Separation will introduce its cutting – edge oil sludge treatment systems. These systems are customized for efficient oil recovery and the safe, compliant disposal of contaminated sludge originating from refineries, oil storage facilities, and various industrial sites. By integrating mechanical separation, chemical dosing, and optimized process design, these systems can maximize oil recovery rates while minimizing the environmental footprint. GN’s oil sludge treatment solutions are the perfect fit for industries in search of reliable, highly efficient, and cost – effective methods for managing oily waste.

2026.04.05: GN Oil Sludge Treatment System

2026.04.05 GN Oil Sludge Treatment System

Visitors to GN’s booth will get the chance to interact directly with the company’s seasoned technical team. They can discuss their project – specific requirements and delve into customized solutions tailored to their operations. GN Separation brings together years of experience in manufacturing and engineering, along with a strong dedication to innovation and top – notch service. This ensures that every solution provided can meet the diverse needs of clients around the globe.

As a well – established provider of separation and treatment technologies, GN Separation is constantly expanding its global footprint. It offers innovative equipment, professional support, and bespoke solutions to customers across a wide range of industries. The company eagerly anticipates welcoming all visitors to Booth W5 – D75 at IE Expo 2026 and sharing its latest technological advancements and project insights.

GN Will Show at IE Expo China 2026 in Shanghai Shortly

Event: 27th Shanghai International Environmental Expo (IE Expo 2026)
Date: April 13–15, 2026
Location: Shanghai New International Expo Centre, Shanghai, China
Booth: W5-D75

GN Separation is pleased to announce its participation in IE Expo 2026, one of Asia’s leading environmental industry exhibitions. At Booth W5-D75, GN will present its latest technologies and solutions for sludge treatment and oil sludge management. Continue reading

A batch of GN Mini Decanter Centrifuges Delivered for Mining Exploration in Europe

GN is pleased to announce the successful delivery of four sets of mini Decanter centrifuges for a mining exploration project in Europe. The project focuses on early-stage mineral exploration, where efficient solids control and a compact equipment footprint are critical to overall operational performance.

The mini Decanter centrifuges supplied for this project are specifically designed for applications with limited space and flexible deployment requirements. Compared with standard models, their compact design enables easier transportation, faster installation, and seamless integration into modular systems. This makes them particularly suitable for remote exploration sites, where both mobility and operational efficiency are essential.

In addition to their compact structure, the units are engineered with optimized bowl geometry and adjustable differential speed control, ensuring stable and reliable performance under varying working conditions. The Decanter centrifuges effectively reduce fine solids content in drilling fluids, contributing to improved fluid recycling efficiency and reduced overall operating costs.

Another key advantage of the mini centrifuge design is its energy-efficient operation. By combining precise separation performance with lower power consumption, the equipment helps operators achieve an optimal balance between efficiency and sustainability—an increasingly important consideration in modern mining operations.

Throughout the project, GN worked closely with the client to ensure the equipment met specific process requirements. From initial technical discussions through to final delivery, the focus remained on providing a practical, reliable, and tailored solution suited to on-site conditions.

The successful implementation of these four mini decanter centrifuges demonstrates GN’s capability to deliver customized solids control solutions for mining and exploration applications. GN will continue to develop efficient and adaptable equipment to meet the evolving needs of global customers operating in challenging environments.

GN Delivers 4 Sets of Mini Decanter Centrifuges for Mining Exploration in Europe

GN is delighted to announce the triumphant delivery of four sets of mini decanter centrifuges, which will provide support for a mining exploration project in Europe. This project centers on early-stage mineral exploration, where efficient solids control and a small equipment footprint are vital for the overall operational effectiveness.

Hydraulic Decanter Centrifuge

2026.03.25 Hydraulic decanter centrifuge

The mini decanter centrifuges provided for this project are specifically crafted for scenarios with space constraints and the need for flexible deployment. Their compact design sets them apart from standard models, facilitating easier transportation, rapid installation, and seamless integration into modular systems. This characteristic makes them an ideal choice for remote exploration sites where both mobility and efficiency hold equal significance.

Besides their compact size, these units are engineered with optimized bowl geometry and adjustable differential speed control. This enables them to maintain stable performance even under fluctuating working conditions. The centrifuges can effectively lower the fine solids content in the drilling fluid, thereby enhancing recycling efficiency and reducing overall operating costs.

Mining Exploration Decanter Centrifuge

2026.03.25 Mining exploration decanter centrifuge

Another notable benefit of the mini centrifuge design is its energy-efficient operation. By merging precise separation capabilities with reduced power consumption, the equipment assists operators in striking a balance between performance and sustainability—a factor that is becoming increasingly crucial in contemporary mining projects.

Throughout the project, GN collaborated closely with the client to ensure that the equipment met specific process requirements. From the initial technical discussions to the final delivery, the primary objective was to offer a practical and reliable solution tailored to the field conditions.

Diamond Core Drilling Centrifuge

2026.03.25 Diamond core drilling centrifuge

The successful deployment of these four mini decanter centrifuges showcases GN’s ability to deliver customized solids control solutions for mining and exploration applications. GN will persist in developing efficient and adaptable equipment to cater to the ever-changing needs of global customers operating in challenging environments.