GN Separation has announced the successful completion and delivery of a GNLS3661 Large Linear Vibrating Screen to a mining company in China. Now arriving at the customer’s mineral processing site and set for imminent commissioning, this project underscores GN’s growing capability in high-capacity wet screening technologies and its commitment to enhancing classification accuracy and operational stability for mining clients. Continue reading
Author Archives: admin
GN High Frequency Mining Vibrating Screen for Client in North America
GN Separation has successfully completed the production and shipment of a High Frequency Mining Vibrating Screen to a client in North America, reinforcing the company’s expanding footprint in the global mining sector.
Engineered for Fine Particle Performance
High frequency vibrating screens play a critical role in mineral processing — handling fine particle classification, dewatering, and material recovery. GN’s unit is purpose-built to outperform conventional screening equipment, delivering higher throughput with lower energy consumption and reduced maintenance demands.
The delivered screen features a compact, rugged structure optimized for continuous operation in harsh mining environments. Its high-frequency vibration system and refined deck design effectively separate fine particles while minimizing blinding and maximizing capacity — enabling operators to improve product quality and overall processing efficiency.
Why the Client Chose GN
The North American customer required equipment capable of processing fine mineral slurry with consistent output and minimal downtime. After a thorough supplier evaluation, GN was selected for its proven manufacturing standards, advanced engineering, and comprehensive technical support.
Key design advantages include:
| Feature | Benefit |
|---|---|
| High-quality materials & precision fabrication | Stable operation, extended service life |
| Modular screen panels | Quick replacement, simplified maintenance |
| Customizable configuration | Adapts to varying capacities, particle sizes & applications |
| Rigorous QC & testing before shipment | Reliable performance, full spec compliance |
Beyond Vibrating Screens
GN’s product portfolio spans decanter centrifuges, dewatering systems, slurry separation equipment, coarse screens, and complete process solutions. By integrating multiple technologies, GN helps customers optimize recovery rates, cut waste disposal costs, and strengthen environmental performance.
The equipment serves diverse mineral applications — iron ore, copper, gold, lithium, and industrial minerals — with solutions tailored to each project’s specific requirements.
Looking Ahead
This successful delivery underscores the growing international recognition of GN’s separation technologies. Backed by continuous R&D investment and a global service network, GN remains committed to delivering efficient, reliable, and cost-effective equipment that drives productivity while supporting sustainable mining practices worldwide.
GN Smart Control Launched for Industrial Automation and Intelligent Control Solutions
GN is pleased to announce the official launch of GN Smart Control, a new business division dedicated to industrial automation, electrical control systems, intelligent control technologies, and slurry pump solutions for global industrial customers. Continue reading
GN 14 Inch Sludge Dewatering Centrifuge Package for Southeast Asia Client
GN Separation has completed the manufacture and delivery of a 14-inch sludge dewatering centrifuge package for a client in Southeast Asia. The project underscores GN’s proven capability in delivering integrated solid-liquid separation solutions for both municipal and industrial wastewater treatment.
Meeting Tighter Environmental Standards
Across Southeast Asia, increasingly strict discharge regulations are driving wastewater treatment facilities to adopt more efficient and reliable technologies — particularly for handling complex sludge conditions. Removing fine and ultrafine suspended solids has emerged as a critical challenge in achieving stable effluent quality while keeping treatment costs under control.
Integrated Solution: Centrifuge + Chemical Dosing
GN supplied a complete sludge dewatering system built around a 14-inch high-speed decanter centrifuge, paired with a 1,000L polymer dosing unit. The design integrates chemical conditioning with centrifugal separation to treat difficult wastewater streams more effectively.
Conventional mechanical separation typically handles particles in the 2–5 micron range. By injecting polymer into the sludge stream, the dosing unit promotes aggregation of fine and ultrafine particles into larger flocs. These flocs are then efficiently captured under high centrifugal force inside the decanter — significantly boosting solid-liquid separation performance.
Key Benefits for the Customer
| Benefit | Detail |
|---|---|
| Finer particle removal | Polymer-enhanced flocculation captures particles below the conventional 2–5 micron threshold |
| Lower sludge moisture | Drier discharged cake reduces transport and disposal costs |
| Operational stability | Integrated skid-mounted design simplifies installation into existing systems |
| Regulatory compliance | Improved effluent quality supports stricter discharge standards |
Compact, Skid-Mounted, Ready to Deploy
The 14-inch decanter centrifuge targets small to medium-capacity sludge treatment applications, balancing separation efficiency, reliability, and energy consumption. Its compact skid-mounted configuration allows straightforward installation and easy integration with existing treatment infrastructure — making it suitable across a broad range of industrial settings.
Quality Assured Before Shipment
Prior to dispatch, the complete package underwent rigorous quality inspection and performance testing at GN’s manufacturing facility. Every component was verified against project specifications to ensure reliable commissioning and stable long-term operation at the customer site.
Strengthening GN’s Southeast Asia Presence
This successful delivery reinforces GN Separation’s growing footprint in the Southeast Asian market and demonstrates the company’s ability to provide tailored, integrated sludge dewatering systems that improve treatment efficiency, reduce operating costs, and support sustainable environmental performance.
Integrated Sludge Dewatering System for Southeast Asian Wastewater Treatment Project
GN Separation has successfully completed the manufacture and delivery of an integrated sludge dewatering system for a wastewater treatment project in Southeast Asia. Continue reading
One Batch of Screw Press and Chemical Dosing Unit for Overseas Customer
GN Separation has recently fulfilled a successful equipment delivery for an overseas client, covering a full set of sludge dewatering equipment and automatic chemical dosing units. The shipped equipment, including GN screw press sludge dewatering machines and matched chemical dosing systems, will be deployed to the client’s industrial sludge treatment project. It is expected to significantly boost sludge dewatering efficiency, optimize overall treatment processes, and cut long-term operational costs for the project.
GN Screw Press Sludge Dewatering Machine
The GN screw press sludge dewatering machine is a cost-effective, eco-friendly solution tailored for diversified sludge treatment scenarios. Adopting a mature screw extrusion solid-liquid separation principle, the equipment achieves continuous sludge thickening and deep dewatering through the powerful extrusion force generated by variable screw diameters and pitches, combined with the precise micro-gap filtration between fixed and moving rings.
Outperforming conventional sludge dewatering equipment, the GN screw press features low power consumption, fully automated operation, stable running performance, and simple daily maintenance. Its versatile adaptability enables wide application in municipal sewage treatment, industrial wastewater treatment, oily sludge disposal, food processing, chemical production and other industries.
The complete GN screw press dewatering system comprises 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 reuse or discharged up to standard, complying with diverse project environmental requirements.
Automatic Polymer Chemical Dosing Unit
Supporting the screw press dewatering system, GN Separation also delivered a customized automatic chemical dosing unit, which is professionally designed for continuous, efficient and stable polymer chemical preparation and dosing. The entire unit is constructed of high-quality stainless steel and adopts a three-chamber integrated structure, including independent preparation, curing and storage compartments to ensure graded and thorough chemical dissolution.
The unit features simple and intelligent operation. 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 full homogenization, then flows into the curing chamber for sufficient maturation to stabilize chemical activity, and finally transfers to the storage chamber. The well-prepared chemical solution can be automatically and quantitatively delivered to the dosing points via supporting dosing pumps.
This automated dosing system effectively reduces manual intervention and labor costs, improves the efficiency and accuracy of polymer preparation, and maintains consistent dosing stability throughout the sludge treatment process, laying a solid foundation for standardized and high-efficiency sludge dewatering.
GN’s Global Strength in Sludge Treatment Solutions
Boasting extensive practical experience in global sludge dewatering and solid-liquid separation projects, GN Separation has always adhered to reliable product quality, professional technical services and continuous technological innovation. The company’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 comprehensive strength in providing one-stop, customized sludge dewatering solutions for international projects. Moving forward, GN Separation will continue to deliver high-efficiency, durable and energy-saving separation equipment, empowering global environmental protection and industrial waste and wastewater treatment projects.
Drilling Fluids Solids Control Centrifuge Unit for overseas drilling company
Recently, GN Separation successfully completed the manufacturing and delivery of several drilling fluids solids control centrifuge units for an overseas drilling company. The supplied equipment will be used for mineral exploration core drilling projects, oil drilling operations, and HDD (Horizontal Directional Drilling) mud treatment applications. Continue reading
Over 10 Sets of GN Stack Vibrating Screens and Banana Screens Applied in Domestic Ilmenite Mine
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.
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.
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
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.
Introduction about the Scroll of Decanter Centrifuge
The scroll, also known as the screw conveyor, is one of the most critical internal components of a decanter centrifuge. Installed inside the rotating bowl, the scroll rotates at a differential speed relative to the bowl. Its primary function is to continuously transport separated solids toward the conical end of the bowl for discharge. Continue reading
GN Containerized Oily Sludge Treatment System Delivered to African Client
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.
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.
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
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.