NEU provides essential expertise to the Mining and Mineral Processing industry with technically, economically and environmentally sustainable solutions from mine-to-mill.
NEU and our global partners, help our customers achieve their goals by selecting and implementing optimal process-side technologies to increase recoveries and improve finished product quality, while providing the lowest overall total cost of operation. NEU also has a number of innovative process solutions that can effectively help you:
- Increase flotation recovery and grade
- Clarify water and process streams
- Dewatering process and waste solids
- Anticaking solutions
- Flow assurance by controlling process scaling and foam
Mined minerals we serve include the following:
APPLICATIONS & PRODUCTS
NEU’s, NEU FLOC and NEU PLUS line of flocculants and coagulants is engineered to improve throughput, enhance your yield and optimize processes in mining applications. We offer a broad mineral-processing product line covering a wide variety of ionic charges, molecular weights, chemical types and physical forms.
Our dry powder flocculants exhibit consistent quality and high active polymer content. Our proprietary sieving process eliminates many dust fines and reduces human exposure and slippery residue in the make-down area. We offer anionic, non-ionic and cationic dry powder flocculants effective in concentrate tailings thickening, high rate thickener, filtration and acidic liquor clarification applications. NEU’s products are free of nonylphenol and all nonionic and anionic powder flocculants contain less than 500ppm of acrylamide residuals.
We also have a range of high-performance emulsion flocculants designed to lower costs in mining applications. Our proprietary emulsion breaker and carrier systems reduce polymer emulsion settling rates and result in the low formation of insoluble materials.
Our broad range of dry and emulsion anionic, nonionic, cationic flocculants and organic, inorganic, hybrid coagulants will enable you to meet your water treatment quality standards.
Process recovery varies substantially depending on the ore, the combination of metals present in the ore, and the grade of the ore being processed. We provide special dispersant technology, which is effective for mineral grinding and dispersion and is used to maximize throughput and aid in transport and handling.
Our NEU GUARD dispersant product line spans a large number of acrylic-based polymers and copolymers of varying molecular weights, pH, termination routes, charge densities and functionalities for desired performance characteristics.
NEU’s water-based dispersant polymers and formulations are designed to improve processing efficiency, aid in transportation, improve handling and provide end-use product quality benefits. They are effective in dispersing and stabilizing a wide range of high-solids mineral slurries including kaolin clay, calcium carbonate, lime, gypsum, iron oxide and other minerals.
Our products reduce the viscosity of clay and carbonate, as well as solids containing clay and carbonate as waste product, allowing for easier transport and processing. Where a reduction in particle size is needed, our products are used as effective grinding aids.
NEU GUARD scale inhibitors can inhibit precipitation of insoluble alkaline earth metal salts, alter crystal morphology, disperse silt sludge and biological matter, stabilize calcium phosphate and provide iron transport. Our scale inhibitors are recommended for use in heap leach systems, CIL or CIP circuits, filtration systems prone to scale formation, control of scale formation in activated carbon columns, prevention of evaporative scale on spray nozzles, sprinkler systems and other areas of mining processing.
NEU GUARD scale inhibitors are effective over a wide range of pH and hardness levels and exhibit excellent thermal stability. They are typically compatible with commonly used chemistries, such as organic and inorganic oxidizing chemicals often used in water treatment.
Our scale inhibitors are recommended for use in;
- Heap leach systems,
- CIL or CIP circuits,
- Filtration systems,
- Activated carbon columns,
- Sprinkler systems
and other areas of mining processing.
The strength of our chemistry and process know-how lies in the fact that we customize solutions to fit each individual ore. And since the ore varies in composition, we must vary the process and adapt it to each individual case. These products cannot be found in a catalogue, they must be tailor-made in close cooperation with the customer.
We can help improve your enrichment rates if you work with any of the following minerals;
In foam control technology, NEU offering a complete line of environmentally compliant and process-friendly defoamers suitable for mining applications.
Our product line includes silicone emulsion and silicone-free defoamers to meet all of your defoaming needs. Whether it is in flotation, wastewater treatment or other specific applications, our team of experts can tailor defoamer chemistry to address problems in any environment.
NEU’s global defoamer partners are back-integrated and manufacture most of the components used in the product line. These include hydrophobic silicas, fatty amides, polymeric additives and surfactant and silicone chemistries.
Our NEU CIDE Biocides are tailored to meet each specific customer need and include both short– and long–term preservatives.
A customized microbial control program can be designed together with the pigment slurry producer by selecting the right biocide combinations for the application. We offer a wide range of biocide actives while using our applications expertise to maximize value to our customers.
NEU BIND organic binders for agglomeration of iron-ore can be used as an alternative to, or in conjunction with, bentonite in the pelletization process.
Replacing bentonite by organic binder reduces silica content in iron ore pellets.
Benefits of using organic binders;
- Increased pellet porosity and therefore increased reducibility rate in the blast furnace.
- Increased Fe and reduced Si and Al content in the iron ore pellets.
- Reduced transportation cost per ton iron.
- Lower grade iron ore can be fed to pellet plant enabling increased recovery in beneficiation process.
Water management poses many challenges on the mining industry, especially concerning the impact on the environment. It is the aim to minimize water consumption and to reduce land areas consumed by tailings disposal and time to rehabilitate such land. In parallel exploration and extraction need to be maximized while minimizing the cost.
With Rheology Modifiers fast settling rate is significant and it provides;
- Higher capacity
- Finer grinds
- Changed ores
- Increased throughput
Rheology Modifiers can be useful where;
- Water recovery is valuable
- Difficult/variable ore
- Capacity constrained
- Rake torque is limited
A heavy metals removal program is necessary to ensure proper adherence to site discharge requirements for constituents such as iron, lead, copper, chromium, nickel, and manganese. These contaminants can enter wastewater streams from a variety of ore process waters, and if untreated, are toxic to the environment and living ecosystems.
NEU understands that reduction in the concentration of heavy metals is an important part of the wastewater treatment process at your mining plants. Many countries place limits on the concentration of various metals that may be discharged either directly to the environment or to a local treatment works.
In recent years, the regulatory direction taken has been much more restrictive in what metals and concentrations are permissible for water discharge into the environment.