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Potato slices flushing water starch separation centrifuge for domestic food plant

For potato chip, French fry and potato snack manufacturers, excess surface starch on cut potato slices has long been a production headache. Unremoved starch leads to sticky slices, uneven frying, dark finished products, wasted raw materials and heavy water pollution. Today, domestic potato slices flushing water starch separation centrifuges have become core equipment for small and medium-sized food factories, solving starch washing and recovery bottlenecks efficiently and affordably.
This integrated centrifuge combines continuous slice flushing and centrifugal starch separation into one streamlined unit, perfectly matching domestic food plants’ medium-scale production lines. Its working logic is straightforward. After potatoes are sliced, raw slices enter the water flushing tank to strip free starch off surfaces. The starch-laden wastewater flows into the centrifuge chamber, while clean potato slices are automatically conveyed to blanching or frying stations. Inside the stainless steel rotating bowl, high centrifugal force rapidly separates fine starch particles from washing water. Concentrated starch slurry is collected for drying and secondary sales, and clarified water circulates back to the flushing tank for repeated use.
Compared with traditional manual soaking and static sedimentation tanks, this domestic centrifuge brings three decisive advantages.
First, outstanding separation efficiency. It removes over 92% surface starch from potato slices within seconds, eliminating sticking and discoloration during frying, greatly upgrading snack texture and appearance.
Second, remarkable cost and resource savings. Recovered potato starch creates extra revenue for factories, while water recycling cuts fresh water consumption by up to 85% and lowers wastewater treatment fees. Third, food-grade durable design. All parts touching materials adopt 304 stainless steel, complying with national food safety standards. The compact structure occupies limited workshop space, with low noise and energy consumption, ideal for domestic small food processing workshops.
Sustainability is another highlight of this equipment. Direct discharge of starchy wastewater triggers eutrophication and environmental penalties. The centrifuge traps nearly all starch waste, reducing organic pollutant emissions sharply. Its fully enclosed running structure also avoids slice oxidation, preserving the natural pale color of potato products without extra chemical additives.
For domestic food plant operators pursuing stable output, product quality and green production, investing in a potato slices flushing water starch separation centrifuge delivers long-term return. It simplifies potato processing workflows, reduces labor reliance, turns waste starch into valuable byproducts, and helps factories meet stricter food and environmental regulations. As the potato snack market expands, this cost-effective separation machine will remain an irreplaceable piece of core processing equipment for local food manufacturers.

2600BBL! GN Complete Rig Solids Control System to Kuwait

GN Solids Control has secured another complete mud circulation system package order for Kuwait, marking another milestone in the brand’s long-term cooperation with Middle Eastern oil operators. Covering standalone solids control equipment to full integrated mud treatment packages, this new contract further proves global clients’ recognition of GN’s reliable engineering and turnkey service capacity.

2026.06.23 Kuwait Mud System
As an officially listed solids control supplier of Kuwait Oil Company (KOC), GN stands out among numerous equipment manufacturers by delivering full-process, customized drilling mud management solutions that fully match KOC’s strict procurement and operation standards. KOC maintains rigorous thresholds for vendor access, and GN’s stable product performance, complete technical documentation and after-sales support have helped it maintain long-term qualified supplier status, gaining priority bidding opportunities for local drilling projects year after year.
The full-set mud circulation system under this contract boasts a complete five-stage solids control configuration without functional gaps. The integrated unit assembles core processing equipment including shale shaker, hydrocyclone desander, hydrocyclone desilter, vacuum degasser and decanter centrifuge. Each component undertakes targeted particle separation tasks: the shale shaker removes large drilling cuttings at the first stage, while desanders and desilters strip medium and fine silt particles. The vacuum degasser eliminates harmful gas mixed in drilling fluid, and the decanter centrifuge separates ultrafine solids to stabilize mud density and viscosity. Such full configuration guarantees continuous, high-efficiency mud recycling and greatly cuts waste mud discharge and raw material costs for drilling teams.
Safety design is the core highlight tailored for Kuwait’s harsh desert oilfield conditions. The whole set of electrical control systems passes authoritative ATEX explosion-proof certification, complying with European standards for equipment operating in flammable and explosive atmospheres. Kuwait oilfields feature extreme high temperature, heavy dust and frequent volatile combustible gas, which imposes tough requirements on electrical safety. ATEX-certified control panels effectively avoid electric sparks triggering safety accidents, fully meeting local HSE management rules of Middle East oilfields.
GN’s service spectrum stretches widely from individual tank-top solids control units to full system EPC general contracting. Instead of merely selling single machinery, the brand provides one-stop support covering scheme design, manufacturing, factory testing, overseas delivery, on-site installation and after-sales maintenance. With robust R&D strength and mature large-scale project execution experience, GN keeps empowering global oil and gas extraction operations to run with higher efficiency and stronger safety guarantees, and will continue expanding its footprint across the Middle East and international energy markets in the future.

GNLW554 DEWATERING CENTRIFUGE PACKAGE FOR OVERSEAS WWTP

GN SOLIDS CONTROL has long been recognized for its decanter centrifuge products, serving drilling contractors and mud service companies worldwide with solutions ranging from 9 inch to 22 inch bowl diameters. Recently a successful shipment for our GNLW554 model decanter centrifuge package to our foreign clients also proved GN’s position in providing the best result for drilling fluids cleaning.

The GNLW554 decanter centrifuge features a bowl diameter of 550 mm and an effective bowl length of 1800 mm, yielding a length to diameter (L/D) ratio of 3.2. This geometric proportion is critical: an elevated L/D ratio provides an extended settling zone, increasing residence time and enhancing the capture efficiency of fine and ultra-fine particulates. At the core of the GNLW554’s durability lies a bowl assembly engineered with materials selected for both mechanical strength and corrosion resistance. The cylindrical and conical sections are fabricated from Duplex Stainless Steel 2304 via centrifugal casting—a process that yields a dense, homogeneous microstructure with superior resistance to chloride-induced stress corrosion cracking, a common failure mode in wastewater environments containing aggressive chemical agents.

Since in wastewater treatment applications,  polymeric reagents promote agglomeration of fine suspended particles into larger, denser flocs amenable to centrifugal settling. Therefore GN recommends a polymer dosing unit to be accompanion with decanter centrifuge. A polymer dosing unit which also included in this shipment will show highly immportance to maintain the efficiency of the whole cleaning process. This integration enables closed-loop regulation of polymer concentration in response to real-time feed solids loading, ensuring that chemical consumption is continuously matched to process demand.

Through its growing presence in overseas projects attests to the reliability and adaptability that GN SOLIDS CONTROL embeds in every rotating assembly, providing plant operators with a trusted workhorse for the most demanding dewatering challenges.

High-End Trenchless Mud Purification System Exported to Europe

For businesses serving high-end clients in drilling, construction, and underground engineering, mud purification is never a routine task—it demands reliability, precision, and adaptability. Our advanced mud cleaning system rises to this challenge with a superior design that combines top-tier configuration, ultra-flexible mobility, and intelligent control, making it the ideal solution for demanding on-site operations.
At the core of our equipment lies a high-performance configuration engineered specifically to meet the strict mud purification needs of high-end customers. Every component, from the screening system to the power unit, is selected for durability and efficiency, ensuring stable operation even under heavy workloads. The system delivers thorough separation, high purification accuracy, and consistent output, perfectly aligning with the high standards of premium projects.
Mobility is another key advantage. Each module of the machine supports quick assembly and disassembly, allowing for fast installation, dismantling, and transportation. Whether moving between construction sites, switching working areas, or responding to emergency tasks, the equipment can be rapidly relocated and put into use. This modular design greatly improves operational efficiency and reduces downtime, supporting flexible mobile operations.
To enhance durability and intelligence, the equipment features a stainless steel control cabinet that resists corrosion, moisture, and harsh on-site environments, ensuring long service life and stable performance. Clients can also choose an intelligent control system for automated operation, real-time monitoring, and one-key adjustment. The smart upgrade simplifies operation, improves safety, and helps users achieve more precise and efficient mud management.
In summary, our mud cleaning equipment integrates high-end configuration, fast-disassembling modular design, and reliable intelligent control. It not only satisfies the strict purification demands of high-end customers but also adapts to diverse mobile working scenarios. For projects that require quality, efficiency, and flexibility, this is the trusted choice.

THE API DIFFERENCE: WHY GN’S SHAKER SCREENS LEAD IN PERFORMANCE

GN SOLIDS CONTROL is well-known for its unique shale shaker design, but as the core part of a shale shaker, the shaker screen is also a non-negligible advantage that GN have.

GN SOLIDS CONTROL has held a unique position in China as the sole manufacturer of API-certified shaker screens (API RP 13C / ISO 13501) until 2022. This certification is not merely a label; it is a binding guarantee of three critical metrics: exact cut point (D100), conductance (kD/mm), and non-blanked open area. Without API certification, “mesh count” can be misleading since the usage of rectangular grids and multiple layers of screens.

Beyond API certification, GN utilizes a patented polyurethane bonding system between the screen and the screen basket. Comparing with conventional screens which rely on foam or rubber seals that degrade under pressure and hydrocarbon exposure, polyurethane provides superior abrasion resistance, chemical compatibility, and dimensional stability, eliminating by-pass of solids and extending service life.

Since different application scenarios entail distinct parameter requirements from clients for shaker screens, GN’s shale screen design covers all major international form factors, manufactured under the same API-certified process, including hook strip flat screen, steel frame screen, pretension frame screen, wave screen, hook strip soft screen, etc.

From API-confirmed cut points to a polyurethane sealing patent and full size-range availability, GN delivers reliability that is documented. For more details or quotation needs, please contact GN SOLIDS CONTROL.

GN 14 INCH SLUDGE DEWATERING CENTRIFUGE PACKAGE FOR SOUTHEAST ASIA CLIENT

GN SOLIDS CONTROL is pleased to announce the successful delivery of a 14 inch sludge dewatering centrifuge package to clients in Southeastern Asia. This package including a 14 inch sludge dewatering centrifuge with a 1000L chemical dosing unit.

Designed specifically for removing liquid from solid phase materials, the GN SOLIDS CONTROL 14 inch sludge dewatering centrifuge can prove a high density difference of solid and liquid with low viscosity by its extraordinary 8.5 degree beach angle. This design delivers drier solids, clearer discharge, and lower operating costs. For sludge dewatering applications—from municipal to industrial—the 14-inch centrifuge strikes an ideal balance between compact footprint and high performance.
In order to ensure there will be a stable and efficient centrifuge condition, the GN SOLIDS CONTROL 14 inch sludge dewatering centrifuge is adopting 2 phase stainless SUS2205 steel to wild its bowl and helical shaft, all main parts will experience dynamic balancing test for 3 times after it was manufactured in case the stability won’t be compromised.
Another highlight of the 14 inch sludge dewatering centrifuge package is the 1000L chemical dosing unit. Engineered for accompanying with dewatering centrifuge, the 1000L polymer dosing unit was designed to providing accurate chemically enhanced flocculation of colloidal and ultra-fine drilled solids during the whole centrifuging process.

Through this shipment to our client in Southeastern Asia, it definitely reinforces GN SOLIDS CONTROL’s position as a trusted partner for centrifuge field worldwide.

GNLW364 Decanter Centrifuge: A Game-Changer for Overseas Crystal Salt Dewatering Projects

In the realm of wastewater management and environmental sustainability, the GNLW364 Decanter Centrifuge stands out as a testament to technological innovation and engineering excellence. Developed by a leading Chinese manufacturer specializing in environmental pollution control equipment, this centrifuge is designed to reduce operational costs and minimize environmental impact, striking a perfect balance between economic viability and eco-friendliness. This article delves into the features, applications, and significance of the GNLW364 Decanter Centrifuge in overseas crystal salt dewatering projects and beyond.

The GNLW364 Decanter Centrifuge is a marvel of engineering, combining high processing capacity with reduced energy consumption. Its durable construction and reliable performance are a result of the premium materials and advanced manufacturing techniques employed. The centrifuge is engineered to perform consistently even in harsh operating conditions, ensuring a prolonged service life and minimizing maintenance requirements. Its cutting-edge design and efficient operation make it an ideal solution for various industries, including the demanding crystal salt dewatering process.

In overseas crystal salt dewatering projects, the GNLW364 Decanter Centrifuge plays a pivotal role in removing impurities and excess water from salt brine, enabling the production of high-quality crystals. The centrifuge’s ability to separate solids from liquids effectively is crucial in this process, as it ensures a higher purity of the final salt product. By optimizing the separation of salt crystals from the brine, the GNLW364 contributes to increased productivity, reduced waste, and a more sustainable production cycle.

One of the key features of the GNLW364 is its 8.5-degree beach angle design, which enhances the separation efficiency in the treatment of complex and challenging feed materials. This design ensures that solids and liquids are separated with utmost precision, resulting in a cleaner separation and higher solids recovery. The centrifuge’s high rotational speed and advanced engineering guarantee optimal performance in various applications, from市政 wastewater treatment to industrial processes.

The GNLW364 series offers a range of models tailored to diverse customer needs. For instance, the compact 9-inch mini centrifuge is ideal for smaller-scale operations or space-constrained environments. Its small size belies its powerful performance, making it a popular choice for clients requiring efficient solid-liquid separation. Furthermore, the recently introduced GNLW364FT model, designed for chemical plants, demonstrates the series’ versatility and adaptability to different industries and applications.

The GNLW364 Decanter Centrifuge series represents the pinnacle of eco-friendly and efficient separation technology. Its widespread adoption in municipal wastewater treatment projects across the globe not only highlights its superior processing environmental credentials but also underscores its adaptability to meet the diverse requirements of different regions and sectors. As the world continues to prioritize sustainability, the GNLW364 series, with its relentless pursuit of innovation and optimization, is poised to play a significant role in shaping the future of water management and environmental protection. By embracing the GNLW364 Decanter Centrifuge, industries can not only enhance their operational efficiency but also contribute to a more sustainable and cleaner planet.

GNLW364 Decanter Centrifuge for Crystal Salt Dewatering Project

The GNLW364 Decanter Centrifuge is an ideal solution for dewatering applications in overseas crystal salt projects. Engineered with precision, all parts that come into contact with materials are made from duplex stainless steel 2205, ensuring durability and resistance to corrosion.

Advanced Dewatering Capabilities

The GN T series decanter centrifuge, with a beach angle of 8.5 degrees, is designed for efficient dewatering and thickening. This centrifuge excels in processing municipal and industrial wastewater sludge, meeting the highest dewatering requirements. It is particularly effective for materials with large particle sizes, significant density differences between solid and liquid phases, low viscosity, high concentration, and substantial treatment capacity. To enhance the dewatering process, flocculants can be added to coagulate fine particles into larger ones, making separation more efficient.

Versatile Applications

The GNLW364 Decanter Centrifuge is versatile and applicable to a wide range of materials including drilling mud, oily sludge, cutting fluids, and various types of wastewater (environmental, municipal, industrial, chemical). It is also effective for dewatering salt mud, magnesium aluminum emulsions, steel-making wastewater, and sludge from mining and construction activities. Additionally, it is used in the concentration and dehydration of salt crystals, kaolin grading, and the separation of oil sands.

With its robust design and high-efficiency operation, the GNLW364 Decanter Centrifuge is a reliable choice for challenging dewatering tasks, ensuring optimal performance and longevity in diverse industrial applications.

Screw Press for US Municipal Sludge Dewatering

In recent years, the screw press machine is more and more popular in the waste water treatment process and also in municipal sewage treatment along with the grille and sedimentation tanks. Comparing with the grille, the screw press can remove solids particles much more smaller, and comparing with sedimentation, the scree press in more compact in size and need less time. Of course, the three are still working together as a primary treating solution before future treatment as chemical or bio-treatments.


A screw press is also called a screw stacking machine, and it plays an important role in sewage treatment because of the features such as high efficiency, energy saving, and small footprint make it a commonly used equipment in the field of sewage treatment. Here are some reasons why it is more popular:

1. Efficient and energy-saving: The screw press has the characteristics of high efficiency and energy-saving, and its operating cost is much lower than that of traditional equipment. This is mainly because the structure is compact, occupies a small area, and does not require specialized staff.

2. Small footprint: Compared to traditional processing equipment, the footprint of the screw stacking machine is much smaller, which gives it greater advantages in some limited venues, such as urban center areas.

3. High degree of automation: Modern screw presses are equipped with an automation control system, which can achieve functions such as automatic feeding, dehydration, and unloading, reducing manual operation requirements and improving work efficiency.

4. Easy operation and maintenance: The screw stacking machine is easy to operate and maintain, reducing operating costs.

In a recent project for municipal sewage treatment contract in USA, the end user chose GN Separation as its supplier for a screw press with model GNDL303. It will soon be sent to the client’s project jobsite.

Join Us at Electra Mining Africa Partners Exhibition 2024 in Johannesburg

Discover Innovative Mining Solutions

We are excited to announce our participation in the upcoming Electra Mining Africa Partners Exhibition, taking place from September 2-6, 2024, in Johannesburg, South Africa. This prestigious event is a prime opportunity for industry leaders and professionals to explore the latest advancements in mining technology.

Meet GN at Our Booth

As a leading Chinese manufacturer of mining equipment, GN will be showcasing our state-of-the-art products at the exhibition. Our extensive range includes mining vibrating screens, vacuum pumps, and centrifuges. These products are designed to improve operational efficiency and productivity in the mining sector.

Engage with Our Experts

We invite you to visit our booth to experience our innovative solutions firsthand. Our team of experts will be on hand to provide detailed demonstrations and answer any questions you may have. This is a great chance to discuss potential collaborations and see how our equipment can meet your specific needs.

Plan Your Visit

Don’t miss this opportunity to connect with us at Electra Mining Africa Partners Exhibition. Whether you are looking for new equipment or seeking expert advice, we are here to assist you. We look forward to welcoming you to our booth and exploring how we can support your mining operations.

Mark your calendars and join us in Johannesburg for an event filled with insights and innovations in the mining industry. See you there!