Desander   Desilter

In a significant step for our international operations, we have recently completed the delivery of two high-capacity 240 cubic meters per hour non-excavation mud recycling systems to a valued client in Australia. This successful shipment underscores the growing global recognition of our equipment’s reliability and performance in demanding horizontal directional drilling (HDD) projects.

Each of these two systems is engineered as a complete, integrated solution to efficiently manage drilling fluid on site. The core of each unit is a robust 11.5-meter-long mud tank, which serves as the central reservoir for the fluid. To ensure consistent mixing and prevent solids from settling, a powerful agitator is installed within the tank. The process begins with the primary solid separation stage, handled by two highly efficient double-deck shale shakers. These shakers use vigorous vibration to screen out the larger drill cuttings, providing the first and crucial level of purification for the mud.
Following the shakers, the system employs a two-stage hydrocyclone cleaning process. First, two desander units are tasked with removing fine sand particles. Then, ten 5-inch desilter cones take over, eliminating even finer silt particles. This combined action ensures the mud is thoroughly cleaned, restoring its essential properties for reuse in the drilling operation. To power this entire process, three reliable sand pumps are included, maintaining the necessary flow and pressure throughout the system. Finally, a mixing hopper is integrated, allowing for the easy addition of new additives or bentonite to maintain the mud’s ideal weight and viscosity as required by the specific ground conditions.

The Australian market is known for its stringent environmental regulations and high standards for equipment performance and safety. The design and manufacturing of these systems meticulously adhered to these requirements. We focused on durability, ease of operation, and minimal environmental impact, ensuring the systems can handle the tough conditions often encountered in Australian infrastructure and resource projects.
The client’s choice of our 240 m³/hour systems reflects the perfect balance these units offer between substantial processing capacity and operational flexibility. They are ideally suited for medium to large-scale HDD projects, such as pipeline installations under rivers or highways, and utility crossings in urban areas where minimizing surface disruption is critical.

This delivery is more than just a sale; it represents a strong partnership and a shared commitment to efficient and environmentally responsible construction practices. We are confident that these two mud recycling systems will contribute significantly to the success and productivity of our client’s upcoming projects. We look forward to providing continued support and to further strengthening our presence in the Australian and global HDD industry.

In the dynamic realm of waste management, particularly in the processing of waste oil slurry, innovation is key. The GN 3 Phase Decanter Centrifuge, with its cutting-edge technology, emerges as a game-changer in North Africa. This state-of-the-art equipment, comprising two sets of GNLWS554 Three Phase Decanter Centrifuges and a Variable Frequency Drive (VFD) control panel, is tailored to meet the stringent demands of oil sludge treatment.

The centrifuge operates on a principle that seamlessly combines mechanics and fluid dynamics, optimizing the separation of oil, water, and solids. The heart of this system lies in its summationdrive, a unique integrated drive design that reduces energy consumption by up to 30%. The primary motor drives the bowl, while the secondary motor propels the scroll, creating a synergy that maximizes efficiency and minimizes wear and tear.

A pivotal feature is its automatic differential speed regulation, ensuring that the centrifuge adapts to varying feed rates, maintaining peak performance and minimizing material waste. This adaptability is crucial in environments where feedstock can fluctuate, making the GN 3 Phase Decanter Centrifuge a versatile tool for waste oil slurry treatment in North Africa.

The centrifuge’s robust construction, featuring stainless steel contact parts, enhances durability and ensures hygiene, critical for handling oil sludge. Its shallow sedimentation zone and open frame design facilitate the discharge of clarified liquid through gravity or pressure, reducing energy consumption while enhancing centrifugal force for superior separation.

In North Africa’s waste treatment facilities, the GN 3 Phase Decanter Centrifuge excels in volume processing. Its compact design and high throughput make it an ideal solution for sites with space constraints. The centrifuge’s adjustable scroll drive ensures consistent performance, even under changing conditions, delivering high-quality oil, water, and solids output.

The benefits of employing the GN 3 Phase Decanter Centrifuge don’t end at efficiency and capacity. The recycled clean oil can be marketed as a base oil for power generation, while the oil content in the treated water is significantly reduced, minimizing environmental impact. This sustainable approach aligns with North Africa’s commitment to eco-friendly waste management practices.

In the realm of food waste management, the centrifuge’s prowess in separating oil, water, and solids from kitchen waste is unparalleled. It can process up to 15 cubic meters of waste per hour, achieving a solid phase moisture content below 75%, and oil in water content under 0.5%. This efficiency not only boosts productivity but also reduces operational costs and environmental footprint.

The GN 3 Phase Decanter Centrifuge is more than just a piece of equipment; it’s a symbol of innovation and sustainability in North Africa’s waste oil slurry treatment industry. Its integration into waste management systems signifies a step towards a cleaner, more efficient future, where waste is not just discarded but transformed into valuable resources.

In conclusion, the GN 3 Phase Decanter Centrifuge, with its superior performance and eco-friendly attributes, is redefining waste oil slurry treatment in North Africa. Its ability to handle large volumes while minimizing environmental impact makes it a cornerstone in the region’s waste management strategies, paving the way for a sustainable and prosperous future.

In today’s fast-paced industrial landscape, efficiency and reliability are non-negotiable. Whether you’re in mining, construction, or waste management, having the right equipment can make all the difference. That’s why we’re excited to announce the availability of eight high-performance GN stack sifters in the domestic market. Designed for precision and durability, these machines are a game-changer for businesses looking to optimize their screening processes.

At its core, the GN stack vibrating screen is an engineering marvel. Its multi-layered design allows for simultaneous grading of materials with unmatched accuracy. Here’s a simplified breakdown of its mechanics:

Vibration Powerhouse: Equipped with dual vibration motors featuring adjustable eccentric blocks, the sifter generates a powerful yet controlled vibratory force. This ensures consistent material movement across the screens.

Tiered Screening: Unlike single-layer screens, the stacked configuration (typically 2–5 decks) separates particles into multiple size fractions in one pass. The top layer catches oversized particles, while finer materials descend through progressively tighter mesh layers.

Smart Material Flow: A combination of rubber composite springs and steel coil springs minimizes energy loss while dampening noise and vibration—protecting both the machine and your facility’s infrastructure.

Easy Maintenance: Quick-release screen frames allow operators to swap or clean mesh panels in minutes, reducing downtime. The fully enclosed structure also prevents dust leakage, meeting environmental standards.

Versatility: Handles everything from mineral ores and aggregates to recycled materials and food-grade powders.

Cost Efficiency: Higher throughput per square meter compared to traditional screens cuts operational costs.

Durability: Reinforced steel frames and wear-resistant screen meshes extend service life even under heavy use.

These eight available units—priced competitively for quick sale—are ideal for businesses scaling up operations or replacing outdated equipment. Each unit has been inspected to ensure peak performance, offering a seamless transition into your production line.

Investing in a GN stack vibrating screen isn’t just about buying equipment; it’s about upgrading your entire screening workflow. With their robust design and intelligent mechanics, these machines deliver results that translate directly to your bottom line. Act now to secure one of these limited units and experience the difference precision engineering can make.

From October 28 to 31, 2025, the mining industry will gather at the Capital International Convention and Exhibition Center in Shunyi, Beijing, for the 21st China International Coal & Mining Technology Exchange and Equipment Exhibition. As one of the most influential mining events in Asia, this exhibition brings together the latest technologies, innovations, and experts from around the world.

GN Separation is excited to announce our participation in this landmark event. You’ll find us at Booth A4601, where we will showcase advanced solutions designed to improve efficiency, sustainability, and performance in mining and mineral processing.

What We’re Exhibiting

This year, we’re highlighting three key pieces of equipment that represent our commitment to innovation and reliability:

1. Large Flip-Flow Vibrating Screen
   Ideal for handling difficult-to-screen materials such as fine, moist, or sticky ores, this screen delivers high efficiency and prevents blinding. Its robust design ensures long service life even in the toughest conditions.

1. Tailing Dewatering Decanter
   Our decanter centrifuge offers an effective solution for tailings management. It reduces water content significantly, helping mines cut down on slurry storage costs and environmental impact while supporting water recycling efforts.

1. Underground Coal Mine Slurry Separation System
   Specifically engineered for underground mining environments, this system efficiently separates coal slurry from water, improving safety and productivity while minimizing waste.

Each of these systems reflects GN Separation’s focus on providing durable, intelligent, and eco-friendly equipment tailored to modern mining challenges.

Why Visit GN Separation at Booth A4601?

• See Live Demos: Watch our equipment in action and discuss your specific needs with our technical experts.
• Learn About Custom Solutions: We specialize in designing systems that fit unique operational requirements—whether for coal, metallic minerals, or industrial minerals.
• Discuss Global Applications: With a growing presence in international markets, we can share case studies and success stories from projects worldwide.

Event Overview

Under the theme “New Quality Productivity, Intelligence Empowers the Future,” the exhibition will feature over 1,100 exhibitors and cover 150,000 square meters of exhibition space. It’s a prime opportunity to gain insights into smart mining, green technologies, and the future of mineral processing.

Whether you’re involved in mining operations, engineering, procurement, or R&D, this event offers valuable knowledge and networking opportunities.

Plan Your Visit

Mark your calendar and make sure to stop by Booth A4601 at the Capital International Convention and Exhibition Center between October 28 and 31. Let’s talk about how GN Separation can help you achieve higher productivity and greener operations.

We look forward to welcoming you to Beijing!

In the world of modern construction and drilling, efficient mud treatment is no longer a luxury—it’s a necessity. For U.S. clients, where environmental regulations are strict and operational efficiency is paramount, the GN Hydrovac Slurry Separation System  stands out as a reliable, high-performance solution. This system, tailored for American job sites, combines cutting-edge technology with user-friendly design to tackle even the toughest mud-handling challenges.

The process begins with the vibrating Screening Module, which acts like a sturdy gatekeeper. It quickly separates large solids—such as rocks, debris, and coarse particles—from the mud slurry. Using durable, high-frequency vibrating screens, this module ensures that only finer particles move forward, reducing wear and tear on downstream equipment. Its robust construction means it can handle heavy loads without clogging, keeping operations smooth and uninterrupted.

Next, the Fine Screening Module takes over, targeting smaller particles that slipped past the coarse screen. Equipped with fine mesh screens, this module captures sand and fine gravel, further purifying the mud. The adjustable screen angles and vibration intensity allow operators to customize the separation process based on the mud’s consistency. This flexibility is crucial for U.S. projects, where soil types can vary dramatically from one site to another

Even after fine screening, tiny abrasive particles can remain, posing risks to equipment and final disposal. The Desander Module uses hydrocyclones to spin the slurry at high speeds, forcing denser sand and silt outward while cleaner fluid exits through the center. This step is vital for protecting pumps, pipes, and other sensitive components from premature wear. Plus, it ensures compliance with U.S. environmental standards by minimizing harmful sediment discharge.

The heart of the system is the Large-Diameter Decanter Centrifuge, a powerhouse for ultra-fine separation. This module spins the mud at high speeds, using centrifugal force to separate even the tiniest clay particles from the water. The result? Crystal-clear water that can be safely recycled or discharged, and dry solids that are easy to transport or dispose of. Its energy-efficient design and low maintenance needs make it a favorite among U.S. contractors who value both performance and cost-effectiveness.

• Compliance: Meets stringent EPA and local environmental regulations.
• Mobility: Modular design allows quick setup and relocation between job sites.
• Efficiency: Reduces water waste and disposal costs by recycling up to 90% of treated water.
• Durability: Built to withstand the rugged conditions of American construction and drilling projects.

From highway excavations to oilfield drilling, the GN Hydrovac Slurry Separation System  delivers a smarter, cleaner way to handle mud. It’s not just a machine—it’s a partner in keeping projects on schedule, within budget, and in harmony with the environment.

In a significant milestone for the oilfield equipment industry, 16 sets of  advanced drilling fluid centrifuges and dryers have been shipped to a leading overseas oilfield service company. These high-performance machines are designed to enhance drilling waste management, ensuring both efficiency and environmental compliance in demanding oilfield operations.

Each centrifuge system includes:

• Drilling Fluid Centrifuge – A robust machine capable of separating fine solids from drilling fluids, ensuring cleaner fluid reuse.
• Lifting Stand – Provides stability and easy adjustment for optimal operation.
• Centrifuge Feed Pump – Delivers consistent fluid flow to maximize separation efficiency.

Each dryer system consists of:

• Drill Cuttings Dryer – Effectively reduces moisture and oil content in drill cuttings, minimizing waste volume.
• Dryer Support Stand – Ensures secure placement and easy maintenance access.
• Flushing Screw Pump – Facilitates smooth material handling and cleaning.
• Discharge System – Automates waste removal for continuous operation.

Drilling operations generate large amounts of waste, including drilling fluids and cuttings. Without proper treatment, these byproducts can pose environmental risks and increase disposal costs. The exported centrifuges and dryers address these challenges by:

• Reducing Waste Volume – Separating reusable fluids from solids cuts down disposal needs.
• Improving Recycling – Cleaned drilling fluids can be reused, lowering operational costs.
• Meeting Environmental Standards – Processed cuttings meet strict regulations for safe disposal.

The successful export highlights the growing international demand for reliable solid-control equipment. Oilfield service companies worldwide seek machines that combine durability, efficiency, and ease of maintenance—qualities that these centrifuges and dryers deliver.

With a strong track record in manufacturing high-quality separation equipment, the supplier has built a reputation for dependable performance. These 16 sets will support the client’s drilling projects, ensuring smoother operations and reduced environmental impact.

As the oil and gas industry continues to prioritize sustainability, advanced centrifuges and dryers like these will play an increasingly vital role in responsible drilling practices worldwide.

In the fast-paced world of oil and gas drilling, efficiency and precision are everything. One piece of equipment that stands out for its critical role in maintaining smooth operations is the GNLW454 Centrifuge by GN. This powerful machine is a game-changer for drilling teams, helping them tackle one of the industry’s biggest challenges: managing drilling fluids and solid waste.

How the GNLW454 Centrifuge Works

At its core, the GNLW454 operates on the principle of centrifugal separation. Here’s how it works in simple terms:

Feeding the Fluid – The drilling fluid, which contains a mix of liquids and tiny solid particles (like drilled cuttings or added weighting agents), enters the centrifuge through an inlet pipe.

High-Speed Spinning – Inside, a rotating drum spins at high speed, creating strong centrifugal force. This force pushes the heavier solid particles outward against the drum’s wall, while the cleaner liquid stays closer to the center.

Separation & Discharge – A screw conveyor inside the drum continuously pushes the separated solids toward one end, where they are ejected. Meanwhile, the clarified liquid flows out through a separate outlet.

This process is incredibly efficient, capable of removing particles as small as 2-7 microns—keeping drilling fluids clean and reusable.

Recycles Weighting Agents – Many drilling fluids contain expensive additives like barite (used to increase fluid density). The GNLW454 recovers these materials, cutting costs.

Reduces Waste – By removing excess solids, it prevents equipment wear and reduces the need for fresh fluid, saving money.

Cleaner fluids mean improved lubrication for the drill bit and stable wellbore pressure, reducing the risk of accidents.

Lower solid content helps maintain optimal viscosity, ensuring smoother drilling operations.

By minimizing waste fluid disposal, the centrifuge supports eco-friendly drilling practices, helping companies meet strict environmental regulations.

Its drum is made from durable 2205 duplex stainless steel, resistant to corrosion.

Key components use 316L stainless steel and wear-resistant alloy linings, ensuring long service life even in abrasive conditions.

Some models feature variable frequency drives (VFD), allowing operators to adjust speed for different drilling fluid types.

This centrifuge isn’t just for oil drilling—it’s also used in:

Mining (separating fine minerals from slurry).

Wastewater treatment (clarifying industrial liquids).

Chemical processing (removing impurities).

But in oil and gas, its ability to handle weighted and unweighted drilling fluids makes it indispensable. Whether in deep shale drilling or offshore operations, the GNLW454 keeps things running smoothly.

The GNLW454 Centrifuge is more than just a machine—it’s a vital tool for modern drilling. By delivering cleaner fluids, lower costs, and greener operations, it helps the industry work smarter, safer, and more sustainably.

For drilling teams looking to optimize performance, investing in a reliable centrifuge like the GNLW454 is a no-brainer. After all, in this business, every drop—and every particle—counts.

Advanced Explosion-Proof Solution for Drilling Fluids Treatment

GN Solids Control has successfully delivered an IECEx-certified VFD Decanter Centrifuge to a valued customer in the Middle East. This delivery marks another milestone in GN’s capability to provide high-standard, explosion-proof solids control equipment for harsh oilfield environments.

The centrifuge is designed for efficient separation of fine solids from drilling fluids, helping operators maintain optimal mud properties and reduce fluid loss. The IECEx certification ensures the unit meets rigorous international safety standards for explosive atmospheres, making it suitable for onshore and offshore drilling operations in challenging conditions.

With VFD control, the centrifuge allows operators to adjust the bowl and conveyor speeds according to different drilling requirements, ensuring flexibility and maximum performance.

GN Solids Control continues to expand its presence in the Middle East by delivering reliable, safe, and high-performance solids control solutions that help customers improve efficiency while meeting strict environmental and safety regulations.

GN Solids Control has successfully completed the shipment of a complete set of drilling mud purification equipment to a European client. This shipment includes 4 units of GNLW223D Mini Decanter Centrifuges, 2 sets of GNMS-600B Mud Cleaning Units, and 2 sets of GNMS-1000B Mud Cleaning Units.

📦 Equipment Overview:

• GNLW223D Mini Decanter Centrifuge (4 units)
  Specially designed for fine solids separation, this compact centrifuge model is ideal for laboratory testing, small-scale drilling operations, or special applications requiring precise separation at low flow rates. With its small footprint and high-speed performance, the GNLW223D provides exceptional dewatering and clarification results.

• GNMS-600B Mud Cleaning Units (2 sets)
  Each unit integrates a double deck shale shaker with a desilter cone assembly. This model is designed for compact drilling operations with a capacity of up to 600GPM. It effectively removes sand and fine solids from drilling mud, helping maintain optimal mud properties during drilling.

• GNMS-1000B Mud Cleaning Units (2 sets)
  Engineered for higher capacity applications (up to 1000GPM), this unit combines coarse solids removal via the top shaker deck and finer separation through integrated hydrocyclones. It ensures both efficiency and cost-effectiveness for medium- to large-scale drilling operations.

Serving European Drilling Operations

This delivery reflects GN Solids Control’s growing presence in the European market, where environmental compliance, high performance, and equipment reliability are essential. Our modular systems are widely used in geothermal drilling, HDD (Horizontal Directional Drilling), and other civil construction projects.

We appreciate the trust and continued cooperation from our European partners and remain committed to delivering advanced, customized solids control solutions.