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GN Separation to Participate in AsiaWater 2026 in Malaysia

GN Separation is thrilled to announce its upcoming participation in AsiaWater 2026, a highly influential international exhibition focused on water and wastewater treatment in the Asia – Pacific region. Here are the key details of the event:

Exhibition Name: AsiaWater 2026
Date: April 7 – 9, 2026
Venue: Kuala Lumpur Convention Centre, Malaysia
GN Separation Booth: Hall 6, Booth B602

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AsiaWater serves as a top – tier platform that unites global industry leaders, technology suppliers, and environmental experts. Its primary aim is to delve into innovations in water, wastewater, and resource management. The exhibition is a showcase for the latest technologies, equipment, and solutions in the environmental field, offering a rare chance to engage with key decision – makers and industry specialists.

At AsiaWater 2026, GN Separation will present its cutting – edge solutions for solid – liquid separation and conveying, with a particular emphasis on its expertise in sludge dewatering and oily sludge treatment. GN Separation has developed a range of separation and conveying equipment to cater to the needs of customers in the environmental protection industry. These products combine innovative technology with reliable performance and are extensively used in wastewater treatment, environmental management, and various industrial applications.

Comprehensive Dredge Sludge Dewatering Solutions

GN Separation offers a full – fledged set of dredge sludge dewatering solutions. This integrated system includes dewatering decanter centrifuges, dewatering screw presses, chemical dosing systems, as well as coarse and fine shakers, desanders, and desilters. It provides a complete solid – liquid separation process, ensuring high separation efficiency and precise chemical dosing that is customized according to the characteristics of the sludge. The separated solids can be safely repurposed, for instance, as construction materials, while the clarified water can be discharged back into rivers or lakes, meeting environmental compliance standards. Moreover, GN’s dewatering solutions are fully customizable to meet different operational requirements. By offering a turnkey solution, GN guarantees reliable operation, optimized separation performance, and simplified on – site management for dredging and wastewater projects.

Integrated Oily Sludge Treatment Systems

In addition, GN Separation provides comprehensive oily sludge treatment systems that are capable of performing complete hot washing and mechanical – chemical separation. These systems manage the entire process of oily sludge material extraction, heating and conditioning, coarse particle screening, sludge dewatering, and oil – water – solid three – phase separation. Through chemical – assisted hot washing and mechanical separation, oil is effectively removed from the sludge, the sludge is dehydrated, and oil and water are separated. These systems find wide applications in oil refineries, drilling operations, oil tank cleaning, and industrial oily sludge management. As a manufacturer of integrated oily sludge systems, GN Separation offers customized solutions based on a specific analysis of customers’ oily sludge.

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We cordially invite all industry professionals, engineers, and environmental solution providers to visit GN Separation at Hall 6, Booth B602 during AsiaWater 2026. Come and explore our innovative separation and conveying solutions!

GN 3 Mud Systems & 40 Pumps Shipped for HDD

GN Solids Control is thrilled to announce a major supply to the Horizontal Directional Drilling (HDD) industry: three complete GNMS – 1000 Mud Recycling Systems and forty high – wear – resistant slurry pumps have been successfully dispatched to a major client. This large – scale order clearly demonstrates our ability to provide comprehensive, integrated solutions that significantly boost operational efficiency and reliability in trenchless drilling projects.

Main Elements of the Shipment

Three Sets of GNMS – 1000 Mud Recycling Systems

Each GNMS – 1000 Mud Recycling System is a fully – integrated, self – sufficient unit crafted for maximum efficiency. It incorporates a shale shaker, mud cleaner, mud tank, slurry pumps, and mud agitators into one cohesive package. This all – inclusive design not only offers thorough drilling fluid purification and mixing but also provides sufficient storage capacity. It is specifically engineered to handle the rigorous demands of complex and high – volume HDD operations, ensuring optimal fluid performance throughout the entire project.

 

Forty Units of Submersible Slurry Pumps

These forty slurry pumps, which complement the mud systems, are constructed to withstand harsh conditions. Equipped with high – chrome alloy pump casings and impellers, they are designed for excellent abrasion resistance and an extended service life. Their sturdy, low – maintenance construction makes them perfect for the continuous transfer of drilling fluid from mud pits in HDD applications. This helps prevent costly disruptions and ensures smooth project execution.

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This shipment is a prime example of GN Solids Control’s dedication to delivering end – to – end drilling fluid management solutions. Our services cover everything from precise solids separation and cleaning to reliable fluid transfer. By providing such integrated packages, we assist our clients in reducing overall operational costs, minimizing downtime, and greatly enhancing project reliability.

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We take great pride in contributing to the success of major HDD projects around the globe and are committed to continuously developing equipment that can meet the ever – changing challenges of the trenchless technology industry.

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GN 2025- Stay Together, Power the Future

In the midst of the swift transformation of the global economy and technological landscape, GN has consistently navigated forward through innovation and quality, solidifying its global strategic footprint and maintaining its leadership in the development of solid-liquid separation technology and equipment. By 2025, with firm steps, we have made remarkable strides across global markets and various core industries, embarking on a new journey with our partners, “Staying Together” to “Power the Future.”

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1. A Global Network, Harnessing Worldwide Talent

GN has established a significant strategic presence worldwide. Within China, we have five key strategic locations: our headquarters in Yutian, along with branches in Langfang, Tangshan, Tianjin, and Shanghai. Our modern 80,000-square-meter headquarters in Yutian, Tangshan, serves as the cornerstone for over 350 GN team members and the bedrock of our confidence in serving the global market. Langfang Plant No. 1, a testament to a decade of dedication and memories, completed its mission successfully in 2023. GN Plant No. 2, our screen manufacturing hub and domestic office, now carries the torch forward into a promising future. Overseas, our three subsidiaries—GN America, GN Australia, and GN Middle East—are deeply integrated into local markets, providing efficient and convenient services to international customers.

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2. Dual Brands, Soaring to New Heights Together

Guided by our dual-brand strategy of “GN Solids Control” and “GN Separation,” we operate like the two powerful wings of an eagle, synergizing across three key application industries—oil & gas drilling, wastewater treatment, and mining separation—to co-author a new chapter in GN’s development.

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3. 2025 Key Projects: A Trail of Successes

For GN Solids Control Projects, we have built a solid foundation and witnessed a steady rise in performance: We delivered over 10 sets of solids control systems in bulk to oil drilling companies; rig systems such as the 3000HP, 1500HP, and 750HP workover rigs were successfully sold to clients in Asia, Europe, and domestic oilfields, with successful on-site installation and commissioning. Concurrently, we successfully penetrated the high-end market, exporting over 20 sets of HDD mud systems to Europe and North America in bulk. Hydrovac mud systems and slurry separation systems for pipe jacking projects were also deployed in the USA, Australia, and other regions. Our technological excellence has bolstered our reputation: 2 sets of advanced oil sludge treatment systems were delivered to Kazakhstan, and 16 sets of drilling fluid centrifuges were reordered by a North African client, showcasing profound customer trust.

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In the GN Separation Projects sector, we have advanced with determination, achieving new milestones: The major delivery of over 20 units of 760mm large-bowl centrifuges solidified our leading position in high-end mining separation. The mining screen product line also excelled, receiving bulk orders from domestic and international clients and being successfully applied in projects such as Inner Mongolia gasification slag treatment and ilmenite grinding classification. Moreover, our decanter centrifuges are expanding their reach across separation industries like environmental protection, chemical, and food processing. Applications in sludge dewatering, chemical crystal separation, and olive oil waste treatment are thriving, demonstrating their exceptional adaptability across industries.

 

4. Stay Together, Power the Future

Our business remains centered on two core products—vibrating screens and centrifuges—deeply serving three pillar industries: oil & gas drilling, wastewater treatment, and mineral processing. From mud purification for oil exploration to sludge treatment for a greener environment, and to the fine separation of mineral resources, GN equipment is integral to key project sites worldwide.

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“Stay Together, Power the Future”—this is not only our summary for 2025 but also our commitment to the future. It emboldens us to explore and drives us to move forward with determination. The future is now. GN sincerely invites global technical experts and sales pioneers to join us, to walk hand in hand, define new industry standards together, and forge a brilliant new future side by side.

Sewage Treatment Slant Plate Clarifier and Screw Press for Overseas Client

As environmental protection gains prominence globally, alongside a rising emphasis on water reuse and sustainable municipal infrastructure development, there’s a burgeoning worldwide demand for efficient and cost-effective sewage treatment solutions. Recently, our company successfully delivered a comprehensive sewage sludge treatment system to an overseas client. This system comprises a Slant Plate Clarifier, a Screw Press Dewatering Machine, and an integrated Chemical Dosing Unit, showcasing the growing international acceptance of compact and energy-efficient sludge treatment technologies.

In numerous municipal and industrial wastewater treatment facilities, front-end sludge concentration is pivotal for enhancing overall treatment efficiency. The Slant Plate Clarifier, also referred to as an inclined plate clarifier, serves as a widely adopted pre-concentration unit to elevate sludge concentration prior to dewatering. Compared to traditional settling tanks, slant plate clarifiers occupy a significantly smaller area while offering a much larger effective settling surface. This characteristic renders them especially suitable for overseas projects constrained by limited land availability or high civil construction expenses.

The Slant Plate Clarifier is a liquid-solid separation apparatus designed to boost sedimentation efficiency. When the flocculated sewage stream enters the clarifier’s inlet trough, it ascends between a series of inclined plates. Under the influence of gravity, solid particles settle onto the plate surfaces and slide down into the sludge collection hopper. Simultaneously, clarified effluent rises through orifice holes and exits from the unit’s top. This design substantially shortens the settling distance and enhances separation performance, even under fluctuating flow conditions.

From a market standpoint, slant plate clarifiers are gaining increasing favor in municipal sewage treatment, industrial wastewater pretreatment, and sludge thickening applications. They are more economical than decanter centrifuges, consume less energy, and are simpler to operate and maintain. These benefits make slant plate clarifiers an appealing option for developing markets and projects aiming to cut operational costs without sacrificing treatment efficiency.

The Dewatering Screw Press, as the central sludge dewatering equipment in this system, plays a crucial role in reducing sludge volume and achieving consistent dry solids content. Operating continuously at a low rotational speed, the screw press ensures low power consumption, minimal noise, and reliable long-term performance. Its clog-free design is particularly well-suited for sewage sludge with high organic content and variable characteristics, which are common challenges in overseas wastewater treatment projects.

To guarantee effective flocculation and stable dewatering performance, the system incorporates a Chemical Dosing Unit for flocculant preparation and dosing. This unit enables precise polymer solution preparation and controlled dosing, optimizing sludge conditioning before both thickening and dewatering stages. This integrated approach enhances sludge cake dryness and reduces overall chemical usage.

This overseas project exemplifies how the integration of a Slant Plate Clarifier, Screw Press, and Chemical Dosing Unit can create a compact, efficient, and cost-effective sewage sludge treatment solution. With the global demand for sustainable wastewater treatment on the rise, such integrated systems are poised to assume an increasingly significant role in municipal and industrial sewage treatment plants worldwide.

Sewage Treatment Slant Plate Clarifier and Screw Press for Overseas Client

With the increasing global emphasis on environmental protection, water reuse, and sustainable municipal infrastructure, efficient and cost-effective sewage treatment solutions are in strong demand worldwide. Recently, GN Separation successfully delivered a complete sewage sludge treatment system for an overseas client. The supplied package includes a Slant Plate Clarifier, Screw Press Dewatering Machine, and an integrated Chemical Dosing Unit, demonstrating the growing international recognition of compact and energy-efficient sludge treatment technologies. Continue reading

Sludge Dewatering Screw Press Package for South America Client

GN Separation recently arranged for the shipment of a comprehensive sludge dewatering screw press package to a client in South America. This system has been meticulously crafted for sludge thickening and dewatering in wastewater treatment processes, with the primary goal of enhancing the client’s sludge management efficiency and overall operational effectiveness.

The package is mainly composed of a GN Screw Press GNDL202 and a Chemical Dosing Unit GNZJY1000, which together form a cohesive sludge dewatering solution. Responding to the specific demands of the project, GN Separation oversaw the system-level design, equipment fabrication, and factory inspection prior to dispatch. This approach underscores the company’s proficiency in delivering complete sludge dewatering systems, rather than merely individual components.

The GN screw press sludge dewatering machine is acknowledged as a cost-efficient and environmentally conscious choice for sludge dewatering, frequently utilized in both municipal and industrial wastewater treatment endeavors. It operates on the principle of screw extrusion dewatering. As the sludge is propelled forward by the screw shaft, the escalating internal pressure, created by the varying screw diameter and pitch, coupled with the narrow gaps between the fixed and floating rings, facilitates continuous solid-liquid separation at a relatively modest rotational speed.

In contrast to conventional high-speed dewatering equipment, screw press technology is often favored for scenarios that demand stable operation, reduced noise levels, and straightforward maintenance. Its design enables uninterrupted sludge thickening and dewatering in a single, continuous process, rendering it well-suited for prolonged operation amidst fluctuating sludge conditions.

The GNDL202 screw press supplied for this project integrates sludge thickening and dewatering capabilities within a compact framework. Its enclosed design aids in odor containment and fosters a cleaner working atmosphere. The equipment can be adjusted to accommodate diverse sludge characteristics, allowing operators to optimize performance during actual operation.

To guarantee effective flocculation, the system incorporates the GNZJY1000 chemical dosing unit, which handles polymer preparation, maturation, and dosing. Flocculation plays a pivotal role in sludge dewatering, influencing separation efficiency and the characteristics of the dewatered sludge cake. The dosing unit is designed to maintain a consistent polymer concentration and dosing rate, thereby bolstering process control and operational adaptability.

From a systemic perspective, the GN dewatering screw press package includes a fully automated control cabinet, a flocculation modulation unit, a sludge thickening and dewatering module, and a filtrate collection tank. Leveraging automatic control technology, the system can orchestrate flocculation, sludge thickening, and extrusion dewatering in a continuous and harmonized fashion. The separated filtrate can be gathered and either recirculated back into the treatment system or discharged, depending on the specific site requirements.

This project serves as a testament to GN Separation’s vast expertise in the design and manufacture of sludge dewatering systems. By amalgamating mechanical equipment, control systems, and process considerations, GN endeavors to provide practical and reliable solutions tailored to the unique needs of its customers. Prior to shipment, the system underwent a rigorous factory inspection to verify equipment condition and system integration.

The delivery to South America highlights GN Separation’s burgeoning presence in international markets, where the demand for efficient sludge treatment solutions is steadily increasing. Such systems are applicable in municipal wastewater treatment facilities, food and beverage processing plants, and other industrial sectors that generate biological or mixed sludge.

Looking ahead, GN Separation will persist in prioritizing system integration, product enhancement, and technical support for its global customer base. Through close collaboration with clients and partners, GN aims to further refine its sludge dewatering solutions to meet a broad spectrum of project requirements across various regions.

GN Separation will attend Global Water Expo this September in Riyadh, Saudi Arabia

As Saudi Arabia continues to emphasize sustainable water management and environmental conservation, the upcoming Global Water Expo in Riyadh, scheduled for September, is set to be a key platform for unveiling the latest innovations in water technology and treatment solutions. GN Separation is prepared to make a significant impact at this event by presenting its cutting-edge sludge dewatering equipment and comprehensive oily sludge treatment solutions.

Event Details:

  • Event Name:Global Water Expo
  • Date:24-26 September 2024
  • Location:Riyadh International Convention and Exhibition Center
  • Booth:3G66-3G68, Hall 3

Innovative Sludge Dewatering Solutions

GN Separation‘s presence at the Global Water Expo highlights its dedication to advancing sustainable practices in the water and wastewater treatment industry. The company will showcase its leading sludge dewatering technologies, including the Sludge dewatering decanter centrifuge and Screw Press, which are recognized for their high efficiency, automation, and minimal environmental impact. Additionally, GN will feature the Sludge Vacuum System, designed to ensure safe and efficient sludge transportation within treatment plants, reducing contamination risks and enhancing operational efficiency.

Tackling Oily Sludge Challenges

In response to the rising concern over oily sludge from the petroleum industry, GN Separation has developed a comprehensive oily sludge treatment system that integrates both physical and chemical processes. This system effectively reduces the oil content in sludge, transforming it into a more manageable and eco-friendly form, while also promoting the recovery of valuable resources such as oil and water for reuse.

Collaborating for a Sustainable Future

By showcasing these innovative technologies and solutions at the Global Water Expo, GN Separation aims to foster collaborations with industry leaders, policymakers, and researchers. The company is committed to working together with the global community to address the challenges of water scarcity and pollution through shared knowledge and joint efforts. GN eagerly anticipates meeting you at Global Water Expo 2024 and looks forward to our fruitful discussions and collaborations.

Introduction of the load test of decanter centrifuge

After the no-load test run of decanter centrifuge is qualified, the load test can be carried out according to the operating regulations, and the load test time is not less than 8h.

  1. Start-up sequence

Speed ​​control potentiometer reset to zero position (if not reset to zero, the potentiometer is interlocked with the main motor control switch, the motor cannot start) Close the power brake, press the start button, the asynchronous motor starts, and observe whether the stabilizer oil mark comes Turn on the power switch of the speed controller, slowly turn the speed potentiometer knob to start the decanter centrifuge, increase the speed from 0 to the working speed of no less than 2min Press the work button, the overload protection circuit is put into operation, and the motor appears Current indication. The empty vehicle current is less than 18A when not feeding.

  1. Feeding operation

Feeding sequence: After the empty car runs at normal speed, it is rinsed with clean water for 5 minutes, and then fed to the continuous production. For example, after stopping the feed, rinse with clean water for 10 minutes, and then stop the host. The feeding speed should be strictly controlled. It is one of the important factors that determine the solid content of the filtrate and the moisture content of the slag. The motor current during feeding is the empty vehicle current plus 5~6A. There should be no leakage at the seals. After the operation, measure the temperature of the two main bearings. The temperature of the main bearing of the feed end is allowed to be +25 degrees of the feed temperature, the temperature of the main bearing of the other end is 65 degrees, and the temperature of the differential case is 70 degrees (both measured at the position of the case). Measure the vibration and vibration at the two main bearing seats. The strength is not more than 11.2mm/s. Measure whether the production capacity meets the requirements and carefully make test drive records.

Check before decommissioning of decanter centrifuge:

  1. Check the tightening of all bolts for looseness, breakage, shortage, etc.
  2. Check whether the electric steering is correct, the belt tension is appropriate, and the pulley is intact
  3. Check whether the oil level of the bearing housing meets the requirements
  4. Rotate the drum with the hand wheel, it should be easy and flexible without rubbing.