Every year, GN Solids Control manufactures thousands of solids control equipment and waste management systems for global customers. GN Solids Control has many professional engineers who have been working on solids control and waste management equipment for a long period. Most of GN products are using in oil and gas area, industrial slurry treating area and some other solids and liquid separation areas.
Although the oil price is pretty low, GN Solids Control receives many inquiries on various solids control equipment, here is one prospect we received last year.

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We have a government tender for next month and I would like to know if you can quote the following mini mud system, this will be used for water wells, but they already have the well drills.
Mini mud system:
_ At least 450 GPM
_ Solid up to 17.5 ”
_ Depth of 150 meters
1. Centrifugal pump
_ Variable speed 0-3000 RPM
_ Capacity of at least 0-500 GPM
_ 4 ” hose
2. System screening
_ Capacity 450 GPM
_ To screen 0149 particles millimeters (ASTM E11-61)
_ With hydraulic motor and speed control.
3. Mud Tank
_ 2800 liters.
_ With high strength metal of at least 3/16 ”
_ Separate panels and sand traps
4. Mud Pump
_ At least 250 GPM
5. Sand cleaning system
_ Screen of 0.15 micrometres
6. bentonite dispenser
_ hopper for 25 Kilograms.
_ Manual
7. Mechanical system
_ Diesel Motor
_ At least 74 Hp @ 2800 rpm
_ Fuel tank 25 gallons (20 hours)
_ Doors locked
8. Control Panel
_ Description lights, indicators
9. Hydraulic system
– Description
10. Trailer
_ electric brakes
_ hydraulic jack
_ spare tire
_ levelers
_ Total weight
11. Hose quick coupling 4 ”
GN Solids Control engineer provides all the above equipment, some of them are also stocking in Houston warehouse.

GN Solids Control has been working on manufacturing decanter centrifuges for many years. With the fast development, more and more customers are willing to choose GN decanter centrifuges, now GN Solids Control customers are widely in more than 70 countries.
Every year, GN Solids Control manufactures more than 300 sets decanter centrifuges. As decanter centrifuges are popular treating equipment which can be used in various solids and liquid separation area, now GN Solids Control decanter centrifuges are working in oil and gas drilling slurry separation, mining slurry treating, HDD slurry treating, diamond drilling slurry treating etc.
Every year, we receive hundreds of inquiries on decanter centrifuges. Here is one example we would like to share with you (sent by one prospect):

We specialize in supplying waste water treatment equipment in water and waste water treatment
Can you quote Decanter machine as below?
Capacity (max.): Capacity: 100 – 120m3/hr; 1000 – 2000 kg DS/hr
Bio-sludge, concentration 2% (bio sludge in thickener basin in Municipal waste water treatment system)
Type of waste water: Municipal WWTP
This project, customer would like to use new decanter to replace old one (Japanese product).
Our competitor is Alfa Laval, main driving: 160kw 3 phase x380Vx50Hz, and sub motor: 37kW including variable frequency each motor.
Some specification for detail below:
1/ Dry sludge: ≥ 28%.
2/ Screw: 1.4408 or AISI 316Ti
3/ Drum: SS Duplex or 1.4463
4/ Variable frequency for each drive
5/ supervisor instrument control vibration, bearing etc.
6/ Control panel with HMI (Siemens S7)

GN Solids usually don’t provide 3 phase treating decanter centrifuge as the working efficiency is pretty slow. And the price of GN decanter centrifuge is almost 3 times of one 2 phase centrifuge. Actually, most customers will still need one 2 phase coarse centrifuge in the front. So there we recommend our customer to use 2 sets GNLW553-VFD (22inch rotating bowl): coarse centrifuge and polish centrifuge. Just need to add another oil and water separator. So the whole treating system is more cost-effective.

GN Solids Control has manufactured thousands of solids control equipment include decanter centrifuges. Now GN customers from over seventy countries are using GN centrifuges.
Today we looked through those former inquires we got from our customers, they are still pretty valuable to share with you. Here is one example:
1)For the GNLW363CG centrifuge, please have the 3 pulley system installed. Please let me know the rotational speed for high, medium and low when you can. I have the gear ratio recorded. We will take the centrifuges with the standard motors and control panels if they meet spec. item 2 to follow.

Recommend you to choose Speed: 1800/2500/3200 RPM.
2) For any motors we do order, 60Hz, USA standard voltages, ICE-Ex (d)(e)(i)(nA) .
We can use motors with 460V/60HZ and to meet IEC Ex and Explosion proof Mark is Exd IIB T4 which meets the oil gas industry for international standard. Please comment if it is acceptable by you? We can even have the UL Ex Motors, but for Control Panel if you need UL we’ll have to source from US or Canada.
Here are several questions and answers on cuttings dryer:
Air Knife design will need to be determined later. Please send us some photos and descriptions, we can put it in our Dryer. Some other customers also have given us some concepts.
1) Can you supply JUST the motor conforming to 60Hz, USA voltage, ICE-Ex (d)(e)(i)(nA) capable of variable speeds WITHOUT the electronic drive and control system for the GNCD930 and still meet customer’s delivery schedule?
It will be 60 Days for GNCD900 to be ready for shipment. While right now, GN Solids have the cuttings dryers stocking in Houston warehouse.
2) Can you supply motors conforming to 60Hz, USA voltages, ICE-Ex (d)(e)(i)(nA) capable of variable speeds WITHOUT the electronic drive and control system to the GNG30-75 and still meet delivery schedule? It will be 45 Days for manufacturing.

As a turn-key solids control system provider, GN Solids Control provides various whole treating units that can be widely used in various of industries. During the past half years, GN Solids Control have received more inquires on oil slurry or soil remediation treating. Based on the former experiences provided to thousands of customers, GN Solids Control is able to provide a customized turn-key system.
Today, we would like to share some info on the soil washing or soil remediation treating unit. GN Solids Control provides shake shakers as the first treating unit so large solids can be separated out. After treated by shale shaker:
1. Slurry Pump
The Slurry Pump should be over sized. Model GNSB4X3A-11J. It will feed the Decanter centrifuge.
2. 14 Inch Decanter
The 14 inch decanter will remove the small micron soil that wasn’t removed at the GN shale shaker in the first phase treatment. GN Solids Control provides whole centrifuge treating unit includes a stand, solids screw conveyor, centrifuge tank, etc. Model GNLW364D-VFD

3. Chemical Dosing Equipment
Chemical Dosing Equipment. Model GNDU-2000A. This will help centrifuge to separate out those finer solids. Usually, centrifuge can only separate out solids larger than 10 microns just by using mechanical separating method.
4. Inclined Plate Clarifier
GN Inclined Plate Clarifier is used to separate those solids after treated by centrifuge. Centrifuge treated slurry will run into the clarifier by gravity.

5. Oil Water Separator
An oil/ water separator will be used to separate oil and water. This will be added based on the how much oil contains in the final liquid.
6. 9 Inch Decanter
9 Inch Decanter Model GNLW224D. Sludge from the bottom of the Inclined Plate Clarifier can be dewatered by using GN mini centrifuge. Running parameters can be adjusted based on the feeding sludge.
Some sets of soil remediation units have already been used in Middle East, Africa and North America.

GN Solids Control is a solids and liquid separation system turn-key provider. This year, GN Solids Control has provided 3 sets of large soil remediation system. Basically, one GN Soil Remediation System is including the following components:
1. GN Feeding Hopper
A large feeding hopper will be used to catch the soil slurry first. GN Solids use steep side angle walls so that wet and sticky soil falls to the bottom of the hopper easily. Across the top of the hopper, a bar grate to keep large, oversize material from entering the hopper and plugging the hopper.
2. GN Screw conveyor
GN screw conveyor transports the soil from the bottom of the hopper to the Shale Shaker Screener. Screw conveyor should be the proper angle and length to empty the soil feed hopper and discharge on to the Shale Shaker Screener.
3. GN Shale Shaker
GN Shale Shaker will remove gravel and stones and oversize debris. Different size screens will be assembled on the shaker. High pressure water spray nozzles are fixed on the shaker deck in order to wash the soil through the screens. The Shale Shaker is positioned on top of a mixing tank. Usually, GN Hi-G force shaker GNZS594 will be used to treat the slurry. Vibration motors are using USA martin or Italy OLI.
4. GN Mixing Tank
The mixing tank should be approximately 7000 liters. It needs a robust, strong mixer. It needs steam coil piping in the interior of the tank to heat the soil slurry. Operating temperature is normally 70 C.
5. GN Slurry Pump
The Slurry Pump should be a centrifugal pump. It will transfer the soil slurry from the mix tank to the following treating equipment.
There are some other equipment will be used. If you want to learn more, welcome to connect with GN Solids Control.

GN Solids Control is a top manufacturer of solids control equipment and waste management systems. As one of the key industries that use GN Solids Control equipment, Oil and Gas area is one of the most widely used one.
GN Solids Control is an expert to provide tailored mud systems based on customers’ particular demands. Now GN Solids Control product line includes: shale shaker (or Hi-G force shaker), De-Sander, De-Silter, Mud Cleaner, Decanter Centrifuge and Cuttings Dryer. Besides the above standard treating equipment, GN Solids Control also provides wearable products like shaker screens, hydro-cyclones (4inch and 10 inch )etc. By word of mouth, GN Solids Control won great reputation in the world, and until now customers from over 70 countries are using GN solids control and waste management equipment.
As it’s known to all, solids control and waste management equipment need to be explosion proof certificated in order to use in the oil and gas area considering the harmful air or dust in the drilling rig site.
According to ATEX Directive 99/92/EC or ATEX 137 Workplace Directive, it gives us the definition of different levels of dangerous drilling rig site environments. ATEX is classified into ATEX Zone 0, ATEX Zone 1 and ATEX Zone 2, the smaller no it has, the more dangerous it is. So ATEX Zone 0 is the most dangerous classifications which need to be pay great attention.
In many drilling rig sites or workplaces which may produce or contain explosive atmospheres, this is includes explosive air (gases, vapours and mists) and explosive dusts. In order to tell the difference of explosive dusts, ATEX is also classified into Zone 20, Zone 21 and Zone 22.
The explosive air is directly related to drilling rigs, oil & gas platforms as well as storage facilities. So usually when GN provides explosion proof standard solids control and waste management systems to drilling customers, we need to know what explosion proof standard suit for customers.

GN Solids Control has been manufactured thousands of decanter centrifuges since the very beginning. As the leading decanter centrifuge provider, GN Solids Control is only using top quality materials. By word of mouth, more and more customers are getting to know GN Solids Control.
GN Solids Control is an expert to provide solids and liquid separation equipment: decanter centrifuge, cuttings dryer, hi-G shaker etc are all GN core products. GN Solids Control is also good at providing a turn-key solution based on customers’ special demands.
GN Solids Control has been selling decanter centrifuges in North America for some years. Many decanter centrifuge manufacturers are using GN decanter centrifuges for separating solids and liquid. Several weeks before, GN Solids Control delivered 2 sets decanter centrifuges for one Canada customer, includes one 22inch rotating centrifuge GNLW553 and one 14inch rotating bowl centrifuge GNLW363.

1. GN 22inch Centrifuge
22 inch rotating bowl decanter centrifuge is the second largest one that GN Solids can manufacture. 30 inch centrifuge is also can be provided for larger volume treating.
GN 22 inch centrifuge is using duplex stainless steel 2205 (or stainless steel 2304). In order to have a good wear resistance, GN Solids Control is using tungsten carbide tiles and fixed them along the screw propeller. Solids discharge ports are also protected by tungsten carbide inserts or special ceramic.
On the two ends of the centrifuge, GN Solids Control is using genuine SKF bearing, which is easy to get in North America.
2. GN 14inch Centrifuge
14inch centrifuge is the most common used centrifuge for slurry separating. Treating volume is around 130GPM.
These 2 centrifuges will be used to treat the waste water or soiled slurry. GN Solids decanter centrifuges can also be used to treat oil and gas drilling waste, industrial water treating, hrdro-vac wastes etc.

GN Solids Control just finished the setup of one whole oil slurry treating system for one USA customer several weeks before. This whole treating unit was delivered to Middle East as they had won a project to treat one large oil slurry pit for Chevron.
Now this GN Oil Slurry System was setup and ready for connecting with electricity and water pipes and heating pipes. GN Solids Control sent one Electrician and one Mechanical Engineer to guide customer to setup this oil slurry treating system. GN Solids Control is especially good at manufacturing customized solids control and waste management systems based on customers’ special demands. This whole oil slurry treating unit is designed and manufactured after discussed with our USA customer thoroughly. It’s especially used to treat large density and high viscosity oil slurry, such as refinery oil, raw oil storage in tank bottom: oil, water and solids can be separated out as a 3 phase treating system.

Here are the main treating components in this GN Oil Slurry Treating System:
1. Premix and Heat Tank
Oil slurry can be pumped to the premixing and heating tank with a GN vacuum pump. After treated, the original raw slurry is thinned and has a good running feature.
2. Shaker Tank
Shale shaker is used to eliminate all those large solids. GN Solids Control also manufactures its own shaker screens. Some other replacement screens for Derrick, Mi-Swaco, NOV etc can also be manufactured.
3. Centrifuge
Decanter centrifuge is one key treating equipment to separate those finer particles. GN Solids Control also provides flocculent system in order to separate out those very finer solids.
4. 3-Phase Treating Skid
This 3-pahse treating skid is composed by GN Slant Clarifier, GN Oil &Water Separator and GN Storage Tanks (water tank and oil tank).
More info will be shared after this system running for a while. If you need any oil slurry treating system, feel free to connect with Thomas@gnsolidscontrol.com.

GN Solids Control just finished the manufacturing of some shale shakers several weeks before. With more and more customers give high remarks on GN Solids Control, GN Solids Control are selling more solids control equipment than before even the oil price is not higher than before.

GN Solids Control has been manufactured shale shakers, de-sanders, de-silters, mud cleaners, decanter centrifuges as well as cuttings dryers for many years, as a high technology company, GN Solids Control and Waste Management systems have been widely used in over 70 countries. Among them, GN shake screens are that one that sells most due to they are wearable parts.

As one key market of GN Solids Control, the Europe market has been using GN equipment for a long period. Those shakers were purchased by one old customer of GN who have used much GN equipment and always get excellent feedback.
There are many types of GN shale shakers, which are either assembled with USA Martin or Italy OLI brands vibration motors. GN Solids Control only targets to provide the most cost-effective solids control and waste management equipment to high end market.
As a leading solids control and waste management systems manufacturer, GN Solids Control has kept upgrading their products in order to meet the changing demands of GN customers. Many changes are made based on thousands of valuable feedbacks collected from different work sites.
For these shakers that purchased by our European customer, they will be used in several different large oil and gas drilling rig site. This customer also purchases some GN shaker screens. Actually, from the long run GN customers save a lot on the shaker screens investment. When GN engineers do the compare test in the rig site, they found that GN made shaker screens have almost the same separating performance and quality.