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Mineral Processing Grade CMC, specifically CMC in mineral processing, is an essential aid in the mineral flotation process. Mineral Processing Grade CMC helps ensure a cleaner, more efficient separation by preventing unwanted silicate gangue, such as quartz, feldspar, and clay, from floating with the valuable minerals, resulting in a higher-purity concentrate. Additionally, CMC cellulose acts as a dispersant, keeping the pulp well-mixed and preventing particles from settling, which enhances flotation stability. By adjusting the viscosity of the pulp, Mineral Processing Grade CMC also makes the entire process smoother and more efficient, ultimately improving both the selectivity and recovery of valuable minerals.From an engineering perspective, Mineral Processing Grade CMC works by selectively adsorbing onto gangue mineral surfaces and modifying slurry rheology, allowing flotation reagents to function more efficiently while reducing mechanical instability during mineral separation.

Main Applications

1. Flotation Regulator

Hondo Chem Manufactured Sodium CMC could be used in the flotation of iron ore, copper ore, lead-zinc ore, phosphate ore, fluorite ore, and more, it helps improve concentrate grade while reducing impurities.In practical flotation systems, Mineral Processing Grade CMC selectively depresses silicate and clay gangue while maintaining the floatability of target minerals, improving separation selectivity under complex ore conditions.
2. Slurry Stabilizer

Mineral Processing Grade CMC helps keep slurry well-mixed during transportation by preventing particle settling. This could improve slurry uniformity and reduce the risk of pipeline blockages.This stabilization effect is particularly critical in long-distance slurry transport and high-solid-content pulp systems, where uncontrolled sedimentation can lead to equipment wear and unplanned downtime.
3. Slurry Thickener

The Hondo chem brand Sodium CMC could also increase the viscosity of the slurry, enhance the performance of mineral processing equipment like hydrocyclones and thickeners.By optimizing apparent viscosity and yield stress, CMC improves classification efficiency and ensures stable feed conditions for downstream separation equipment.
4. Filtration Aid

The CMC Na could speed up the filtration process, lower the moisture content of filter cakes, boost dewatering efficiency, and helps cut down on energy usage.Improved filtration performance directly contributes to reduced drying costs and more efficient tailings handling.
5. Tailings and Wastewater Treatment

The CMC powder or Granule CMC in mineral processing could improve tailings settling, increase water recovery, reduce wastewater discharge, and lower the environmental management costs.This makes Mineral Processing Grade CMC a practical solution for mines aiming to improve water recycling efficiency and meet increasingly strict environmental regulations.
6. Broad Application Range

Mineral Processing Grade CMC, it is suitable for processing a wide range of minerals, including ferrous and non-ferrous metals as well as non-metallic minerals such as lithium, bauxite, gold, silver, and nickel ores.

Advantage

1.Optimized Pulp Rheology and Improved Flotation Efficiency

Hondochem CMC could help optimize the rheology of ore pulp, prevent particle sedimentation, and improve flotation efficiency.In mineral processing circuits, stable pulp rheology is essential for consistent separation performance. Hondochem Mining Grade CMC acts as a rheology modifier by regulating slurry viscosity and yield stress, ensuring solid particles remain uniformly suspended during conditioning, aeration, and flotation. By reducing sedimentation and density fluctuations, flotation cells operate under more stable hydrodynamic conditions, improving bubble–particle collision probability. This controlled rheology enhances flotation efficiency without over-thickening the pulp, helping plants achieve higher recovery rates while maintaining smooth circulation and reduced operational instability.

2.Lower Reagent Consumption and Reduced Operating Costs

Hondochem manufactured CMC reduce the consumption of mineral processing reagents, effectively lower overall production costs.By improving pulp stability and mineral surface exposure, Hondochem Sodium CMC for mineral processing enhances the effectiveness of collectors, frothers, and modifiers already present in the system. Better dispersion and rheology control reduce excessive reagent adsorption on fine gangue particles, allowing lower dosages to achieve the same or better metallurgical results. In industrial practice, this translates into measurable reagent savings, lower chemical inventory pressure, and more predictable operating costs. Reduced reagent consumption also contributes to a cleaner process water loop and improved sustainability performance.

3. Enhanced Selectivity and Reduced Gangue Entrainment

Mineral Processing Grade CMC could enhance the selective recovery of valuable minerals and reduce the entrainment of gangue minerals.Hondochem Mineral Processing Grade CMC supports selective mineral recovery by stabilizing pulp conditions and limiting the mechanical entrainment of unwanted gangue into the concentrate. By controlling fine-particle behavior and slurry structure, valuable mineral particles are more effectively separated based on true flotation mechanisms rather than random carryover. This leads to higher concentrate purity and reduced downstream reprocessing requirements. Improved selectivity is especially beneficial for complex ores and low-grade deposits, where even small reductions in gangue entrainment can significantly improve overall economic returns.

Specification

Spec.	Standard
Appearance	White or yellowish powder/Granular
Moisture	≤10.0%
DS	≥0.80
Purity	Technical or high purity
pH	7.0～10.0
Viscosity (1% or 2% solution)	5-400 mPa·s

Quality Control & Manufacturing Assurance

To ensure consistent performance and batch stability, our Mineral Processing Grade CMC is manufactured under a strict quality control system:

Raw Material Control: High-purity cellulose selection with controlled ash and salt levels

Production Process Control: Degree of substitution (DS), reaction temperature, and time are strictly monitored

Finished Product Inspection: Viscosity, pH, moisture content, DS, and application performance testing

Pre-Shipment Inspection: Batch-specific COA, packaging inspection, and sample retention

Traceability System: Full batch traceability from raw materials to final shipment

This systematic quality assurance ensures reliable performance in large-scale mineral processing operations.

Why Choose Our Mineral Processing Grade CMC?

Designed specifically for mineral flotation and slurry systems

Stable performance across different ore types and water chemistries

Consistent batch quality for long-term supply contracts

Proven cost-saving effect through reduced reagent usage

Technical support for viscosity selection and application optimization

Packing & Storage

Storage:

1. Carboxymethyl cellulose should store in a cool, dry, clean, ventilated environment. Temperature Max. 70℃, with relative humidity ≤80%.

Storage:

2. The CMC for pharmaceutical and food grade should not be put together with the toxic substance and harmful substance or substance with peculiar smell during transportation and storage.

Storage:

3. Since the date of production, a preservation period of sodium CMC should not exceed 4 years for the industrial product and 2 years for the CMC in pharmaceutical and food industry.

Storage:

4. The CMC should be prevented from water and package bag damaging during transportation.

Packing:

25kg kraft paper bag with PE inner, or as clients request.

product-2196-1618

Summary

Mineral processing grade CMC is a highly efficient mining additive widely used in mineral beneficiation and slurry treatment. It is specially used to support rheological regulation and slurry stability in the ore sorting process. Its unique dispersing, thickening and stabilizing properties enable it to perform well in flotation, screening, sedimentation and other links. As a mineral flotation additive, Mineral Processing Grade CMC can improve the recovery rate of ore, optimize the separation efficiency of minerals, and reduce the impact on the environment. When processing various types of metal ores and non-metallic ores, CMC cellulose can effectively control the viscosity of the slurry, enhance the stability of mineral particles, and thus improve the production efficiency of the beneficiation plant. By applying mineral processing grade CMC, not only can the recovery rate of mineral resources be improved, but also the energy consumption and cost in the processing process can be greatly reduced. It is an indispensable core additive in mineral processing.

FAQ

Q1: Can Mineral Processing Grade CMC replace ordinary industrial-grade CMC?
A: No. Mineral Processing Grade CMC is specifically formulated for flotation selectivity and slurry stability, which ordinary industrial-grade CMC cannot consistently provide.

Q2: Is this CMC compatible with common flotation reagents?
A: Yes. It shows good compatibility with collectors, frothers, and depressants commonly used in mineral flotation systems.

Q3: How should viscosity be selected?
A: Viscosity selection depends on ore type, solid content, and process stage. Technical guidance is recommended for optimal results.

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