Blue Flower

GN Separation has recently fulfilled a full equipment delivery for an overseas client, covering high-performance sludge dewatering machines and automatic chemical dosing units. Tailored for industrial sludge treatment projects, the delivered equipment is designed to significantly boost sludge dewatering efficiency, cut overall operational costs, and deliver stable, eco-friendly wastewater and sludge treatment outcomes.
2025.05.28 Sludge Dewatering Screw Press

GN Screw Press Sludge Dewatering Machine

The GN screw press sludge dewatering machine is a cost-effective, eco-centric solution for diversified sludge treatment scenarios. It operates on the mature screw extrusion principle to achieve high-precision solid-liquid separation. By leveraging the powerful squeezing force generated by variable screw diameter and pitch, combined with the micro gaps between fixed and moving ring groups, the equipment enables continuous sludge thickening and deep dewatering in a single process.
Outperforming conventional sludge dewatering equipment, the GN screw press features low energy consumption, fully automated operation, stable long-term performance, and simple daily maintenance. Its versatile adaptability allows wide application in municipal sewage treatment, industrial wastewater treatment, oil sludge disposal, food processing, chemical production and other industrial sectors.
The complete GN screw press dewatering system is composed of a full-automatic control cabinet, flocculation conditioning tank, integrated sludge thickening and dewatering unit, and filtrate collection tank. Equipped with advanced intelligent control technology, the system supports automatic flocculant preparation and uninterrupted continuous dewatering operation. The treated filtrate can be either recycled for on-site reuse or discharged compliantly in accordance with project and environmental standards.

 Automatic Polymer Chemical Dosing Unit

2025.05.26 Polymer Dosing Unit

Matched with the screw press dewatering system, GN’s self-developed au
tomatic chemical dosing unit was also included in this shipment, serving as a core supporting facility for continuous, standardized polymer chemical preparation and dosing. The entire unit adopts stainless steel construction for corrosion resistance and long service life, with an integrated three-chamber structure covering solution preparation, curing and storage stages.
The unit features simple operation and full-process automation. On-site operators only need to add dry powder chemicals to the preparation tank and start the system. The chemical-water mixture first enters the stirring and dissolving chamber for uniform and thorough mixing. It then flows into the curing chamber for sufficient maturation and homogenization, before transferring to the storage chamber. The fully prepared chemical solution can be automatically and accurately delivered to dosing points via supporting dosing pumps.
This intelligent dosing system effectively reduces manual intervention and human error, improves the efficiency and consistency of chemical preparation, and ensures stable and reliable dosing accuracy throughout the sludge dewatering process, optimizing the overall treatment effect.

GN’s Global Capability for Customized Sludge Treatment Solutions

Boasting extensive project experience in global sludge dewatering and solid-liquid separation fields, GN Separation has always adhered to strict quality standards and continuous technological innovation. Backed by reliable equipment performance, professional customized solutions and comprehensive after-sales technical support, GN’s separation equipment has been exported to numerous countries and regions worldwide, winning wide recognition from global clients.
This successful overseas delivery further validates GN Separation’s strong comprehensive strength in delivering one-stop, full-set sludge dewatering solutions for international projects. Moving forward, GN Separation will continue to focus on technological iteration and product upgrading, providing more efficient, energy-saving and reliable separation equipment for global environmental protection and industrial waste and sludge treatment projects.

GN Separation has recently completed the delivery of over 10 sets of vibrating screening units for a domestic ilmenite mining operation. The order includes GN Stack Vibrating Screens as well as large-scale Banana Vibrating Screens, reinforcing GN's proven manufacturing strength and technical expertise in fine mineral processing and screening technology.


GN Stack Vibrating Screen — Precision Wet Screening & Dewatering

The GN Stack Vibrating Screen is engineered for wet screening, classification, and dewatering of fine-grained materials across mineral processing, coal preparation, and related industries. Depending on site-specific needs, the machine can be configured with 2 to 5 screen decks, delivering highly adaptable solutions for diverse operating conditions.

2026.05.21 ilmenite mine application vibrating screen

As a wholly self-developed GN product, the Stack Screen operates on a two-degree-of-freedom resonance principle. A single vibration source equipped with dual vibration motors drives the entire machine in a linear motion pattern.

Compared with traditional screening equipment, the GN Stack Vibrating Screen stands out for its distinctive vibration mode, superior screening efficiency, energy-saving performance, and high throughput capacity. Built with advanced engineering, the machine features a streamlined structure and dependable operation — positioning it among the most sophisticated fine-material screening solutions available today. Additionally, the screen is fitted with premium polyurethane screen panels that deliver outstanding wear resistance, extended service life, and reduced maintenance expenses.


GN Banana Vibrating Screen — High-Efficiency Coarse & Medium Particle Screening

For the coarse and medium particle screening stages of the project, GN supplied large Banana Vibrating Screens. Each unit comprises a box-type vibration exciter, screen box, vibration-damping springs, support frame, and driving system. The linear vibration trajectory ensures smooth material transport and consistently high screening performance.

2026.05.21 high frequency fine sizer screen

The Banana Screen features a multi-stage broken-line screen surface with progressively changing angles. The steeper inclination at the feed end accelerates material movement and enables rapid stratification — ideal for screening easily separable particles. As the angle gradually decreases toward the discharge end, the material flow slows, increasing the probability of successful screening and markedly boosting overall efficiency.


Proven Capability, Global Reach

2026.05.21 Banana Vibrating Screen GN factory test running

Backed by reliable product quality and deep expertise in mining and mineral separation, GN continues to deliver professional screening and separation solutions to customers worldwide. The successful commissioning of more than 10 sets of GN vibrating screens at this domestic ilmenite mine further validates GN's ability to manage large-scale mineral processing projects and provide equipment solutions that are efficient, stable, and cost-effective.

GN Separation is pleased to announce the successful delivery of a fully integrated, containerized oily sludge treatment system to a client based in Africa. This turnkey solution delivers efficient, safe, and environmentally responsible treatment of oily sludge, addressing the complex demands of industrial and oilfield operations across the region.2026.05.13 GN Oil Sludge Treatment


A Fully Integrated, Multi-Module System

The GN containerized system combines several purpose-built modules—including a pre-mixing tank, vibrating screen, three-phase decanter centrifuge, and chemical dosing unit—into one compact, mobile platform. Each module is precisely engineered to manage a specific stage of the treatment process, ensuring seamless and high-performance operation from start to finish.

The system employs a chemical-assisted mechanical separation process to fully treat oily sludge. Sludge is first heated and conditioned in the pre-mixing tank, then coarse solids are removed through the vibrating screen. The conditioned material is subsequently fed into the three-phase decanter centrifuge, where dewatering and precise oil-water-solid separation take place. Strategic chemical dosing further boosts oil recovery rates, ensuring that all treated output meets stringent discharge and environmental compliance standards.

2026.05.13 GN Decanter Centrifuge


Built for Diverse Sludge Types

GN's containerized solution is well-suited for a wide range of oily sludge, including refinery sludge, drilling waste, oil tank cleaning residues, and other industrial byproducts. By integrating chemical hot washing with advanced mechanical separation, the system achieves maximum oil recovery while significantly reducing waste volume—delivering a dependable and cost-effective answer for clients around the globe.

As a leading manufacturer of turnkey oily sludge treatment systems, GN specializes in customized solutions designed around the unique properties of each client's sludge. Our expert team performs in-depth analysis of sludge composition and operational needs, empowering clients to reach peak treatment performance and operational efficiency.


Compact, Mobile, and Ready for Deployment

2026.05.13 GN Oil sludge Treatment Plant

Engineered for easy transport, fast setup, and a minimal on-site footprint, GN's containerized system is an ideal fit for remote or logistically challenging project sites. This latest delivery to our African partner reflects GN's ongoing dedication to innovation, sustainability, and excellence in oily sludge management.

With GN's containerized oily sludge treatment system, clients gain access to dependable oil recovery, environmentally compliant disposal, and streamlined operations—all from a single, fully integrated solution.

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

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.

2026.05.08 Sludge Dewatering Centrifuge

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.

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.

2026.05.08 Chemical Dosing Unit

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.

 
 

As the global mining industry continues its upward trajectory, overseas customers are on a relentless quest for screening solutions that combine reliability with efficiency. These solutions must not only sustain stable production but also optimize operational costs. In a recent development, GN Separation has risen to the occasion by successfully supplying its GN Stack Vibrating Screen to an overseas mining plant, significantly enhancing the customer's screening performance and overall operational efficiency.

2026.04.23 Stack Vibrating Screen

Unveiling the Stack Vibrating Screen

The GN Stack Vibrating Screen, a proud innovation of GN, exemplifies the company's unwavering commitment to innovation and practical engineering. Its distinctive vibration design and compact structure endow it with high screening efficiency and consistent performance, making it a trustworthy ally for customers navigating challenging operational environments. The screen's proficiency in handling fine materials enables mining plants to achieve precise classification, thereby optimizing downstream processing.

Since its installation in the overseas project, the GN Stack Vibrating Screen has consistently delivered outstanding performance. The customer has experienced a notable boost in processing capacity and smoother operations, leading to reduced downtime and heightened overall productivity. Moreover, the screen's energy-efficient design has played a pivotal role in lowering operating costs, a critical factor for the long-term viability of the project.

One of the standout features of the GN Stack Vibrating Screen is its utilization of polyurethane screen panels. These panels boast a high opening rate and extended service life, minimizing the need for frequent replacements and maintenance. This translates to significant time and cost savings for the customer, especially in overseas mining operations where maintenance efficiency is paramount to daily production.

The Stack Sizer Advantage

GN Separation's commitment to customer satisfaction extends far beyond the mere provision of equipment. The company offers professional technical support and prompt service to ensure seamless project execution. From the initial equipment selection phase to commissioning, GN collaborates closely with customers to deliver bespoke solutions that cater to their unique needs. This customer-centric approach has garnered widespread acclaim from clients across diverse regions.

The successful implementation of the GN Stack Vibrating Screen in the overseas mining plant is a testament to GN's prowess in supporting international projects with reliable products and dependable service. It also underscores GN's burgeoning presence in the global mining market.

2026.04.23 Stack Sizer

Looking ahead, GN Separation is poised to further solidify its global partnerships. The company will continue to offer efficient and practical solutions, empowering customers to enhance their performance and achieve sustainable growth in their operations. With GN Stack Vibrating Screen leading the charge, the future of mining looks brighter than ever.

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.