Custom Reagent Design System
We provide customized reagent systems for flotation, leaching, purification, and metal recovery in complex ore and industrial waste processing. This solution system is designed for lithium, copper, nickel-cobalt, gold, and polymetallic ores.
Lithium Ore Process System
Activation & Leaching Enhancement
Lithium spodumene activation enhancer
Silica-free lithium leaching enhancer
Battery-grade lithium ore micro-selective leaching activator
High-stability pulp leaching stabilizer
Impurity Control & Purification
Lithium magnesium selective separation enhancer (brine system)
Boron impurity removal agent for lithium brine
Lithium aluminosilicate interference control reagent
Brine impurity shielding extraction enhancer
Copper Ore Process System
Ion Activation System
Copper-ammonia ion activation reagent
Copper-zinc synergistic activation agent
Copper-lead ion activation system
Sulfide Ore Leaching Enhancement
Copper-molybdenum sulfide selective leaching enhancer
High-efficiency sulfide ore activation leaching agent
Nickel & Cobalt Ore System
Oxide Ore Leaching System
Laterite nickel ore intensified leaching activator
Nickel-cobalt oxide ore selective leaching regulator
High-stability mineral pulp leaching enhancer
Sulfide & Complex Ore Treatment
High-purity cobalt sulfide ore enrichment system
Complex ore selective leaching regulator (vanadium-titanium system)
Serpentine and gangue suppression system
Copper Smelting & Secondary Resources
Metal Recovery System
Copper smelting anode slime precious metal recovery agent
Zinc smelting slag multi-metal separation reagent
Complex smelter waste purification system
Antimony and arsenic impurity removal agent
Battery & Urban Mining
Battery black mass selective separation reagent
Spent lithium battery hydrometallurgical recovery system
PGM (platinum group metals) recovery agent
Precious & Specialty Metals
Gold & High-Value Metals
Refractory ore leaching enhancement system
Selective precious metal (Au/Ag) enrichment reagent
Special Extraction Systems
Nickel-cobalt selective separation extractant (Cyanex-type system)
Tri-octyl phosphate (TOP) extraction system
Complex Ore & Special Systems
Silicate / Gangue Control
Silicate interference suppression reagent
Quartz and feldspar separation enhancement system
Iron removal and purification leaching agent
High Complexity Ore Systems
Vanadium-titanium magnetite leaching system
High-purity quartz purification system
Tungsten-molybdenum complex ore leaching regulator
System Overview
All reagent systems are designed for specific ore types and process conditions. They can be combined with flotation collectors, depressants, and extractants for optimized performance.
The Custom Reagent Design System developed by FKN PANDA is designed to provide tailored flotation chemical solutions based on specific ore characteristics. It focuses on improving recovery efficiency in complex and variable mineral processing environments.
Unlike standard reagent products, this system is built around ore-specific behavior, allowing mining operations to optimize flotation performance through customized chemical formulation and testing.
Why Custom Reagent Design Matters
Every ore body has unique mineral composition, particle size distribution, and gangue association. Standard reagents often fail to deliver stable performance under these variations.
Key limitations of standard reagents:
Low adaptability to complex ore structures
Unstable flotation performance across different sites
High reagent consumption without optimization
Limited selectivity in polymetallic systems
System Workflow
The Custom Reagent Design System follows a structured engineering workflow to ensure reliable and optimized reagent performance.
Main workflow stages:
Ore sample analysis and mineral characterization
The overseas end users shall send 1-5KG ore samples and Radiation-free certification from an authoritative body to us for our customs clearance.
Laboratory flotation testing and evaluation
Reagent formulation design and adjustment
We will send the designed reagents to the end user via our chemical express agent.
Pilot-scale validation under industrial conditions
Technical Integration with Solution Systems
This system integrates directly with all FKN PANDA mineral processing solutions, including fine particle recovery, clay control, polymetallic separation, and refractory ore systems.
It ensures that each reagent formulation is aligned with actual process conditions and ore behavior.
Applicable Mineral Systems
The Custom Reagent Design System is applicable across a wide range of mineral processing operations.
Gold ore beneficiation systems
Copper and nickel flotation systems
Lithium and cobalt ore processing
Oxide and refractory ore systems
Industrial Application Scope
This system is designed for mining operations requiring high precision, stable recovery performance, and optimized reagent efficiency under complex geological conditions.
It supports full-scale industrial implementation from laboratory development to on-site optimization.
Custom Reagent Design System – FAQ
Q1. Question
The system develops tailored reagent schemes by first analyzing the mineralogical composition, including XRD, ICP, and liberation characteristics. Based on these inputs, collectors, frothers, dispersants, and depressants are selected and adjusted to match the surface chemistry of target minerals. For example, sulfide and oxide coexistence requires differentiated adsorption control, while clay-rich ores demand stronger dispersion capacity. The formulation process is iterative, combining laboratory flotation tests with reagent screening to establish dosage windows and interaction behavior. This ensures the final reagent system is not generic, but aligned with ore variability, plant conditions, and recovery targets in industrial flotation or hydrometallurgical circuits.
Q2. Question
In complex polymetallic systems, selectivity is achieved by controlling reagent affinity toward specific mineral surfaces and suppressing unwanted gangue activation. The system adjusts collector chain length, functional groups, and dosage balance to prioritize target metals such as Cu, Pb, Zn, or Ni while limiting interlocking recovery. Depressants are engineered to inhibit interfering minerals like pyrite or silicates without affecting valuable phases. pH regulation and ionic strength control are also integrated to stabilize pulp chemistry. This approach improves separation efficiency in multi-metal flotation circuits and reduces downstream refining burden by minimizing mixed concentrate formation.
Q3. Question
For high-clay ores, the system focuses on reducing slime coating and improving pulp rheology before and during flotation. Dispersants are selected to break clay aggregation, especially for minerals such as montmorillonite and kaolinite, which commonly increase viscosity and consume reagents. The formulation also adjusts ionic conditioning to reduce electrostatic attraction between clays and valuable minerals. In many cases, a pre-conditioning stage is introduced to stabilize slurry behavior. This improves bubble–particle interaction efficiency and prevents fine gangue from reporting to concentrate, ensuring more stable flotation kinetics and improved recovery consistency in industrial operations.
Q4. Question
The system is designed to optimize reagent consumption in low-grade ore processing by enhancing mineral surface activation efficiency and reducing non-selective adsorption. Through targeted collector chemistry and improved dispersion control, more valuable particles are recovered at lower dosage levels. The approach also minimizes reagent loss caused by gangue adsorption, especially in fine and clay-rich systems. Laboratory optimization defines the minimum effective dosage range, which is then validated in pilot tests. This results in reduced operating cost per ton of ore while maintaining or improving recovery rates, particularly in large-scale flotation or leaching operations.
Q5. Question
Selective depression is achieved by formulating reagents that preferentially inhibit specific gangue minerals without affecting valuable phases. For minerals such as talc, mica, or carbonaceous matter, polymer-based or inorganic depressants are selected based on surface charge behavior and adsorption mechanisms. The system also considers pH-dependent activity to enhance selectivity under plant conditions. In multi-mineral ores, staged addition of depressants may be applied to control activation timing. This improves separation clarity and reduces contamination in concentrate streams, particularly in complex sulfide or oxide flotation circuits where gangue interference is a major operational challenge.
Q6. Question
Micro-fine particle recovery is enhanced by improving collision probability and attachment efficiency between particles and bubbles. The system develops specialized fine-particle collectors with higher surface activity and optimized hydrophobicity distribution. In addition, dispersants prevent aggregation of ultrafine particles, ensuring better exposure to flotation reagents. Pulp rheology control is also critical, especially below 10–20 μm size fractions where recovery typically declines. By combining hydrodynamic optimization with reagent chemistry tuning, the system improves flotation kinetics and reduces loss of valuable fines in tailings, particularly in gold, copper, and polymetallic fine-grained ores.
Q7. Question
Laboratory testing is the foundation of the formulation process. The system uses staged flotation tests, including rougher, cleaner, and locked-cycle experiments, to evaluate reagent performance under controlled conditions. Key indicators such as recovery, grade, kinetics, and selectivity index are measured. Mineral surface analysis and reagent adsorption studies may also be included to refine chemistry selection. These results define optimal dosage ranges and addition sequences. The laboratory stage ensures that the reagent system is scientifically validated before scaling to pilot or industrial application, reducing operational uncertainty during plant implementation.
Q8. Question
Consistency during pilot-scale operation is maintained by closely replicating laboratory-defined conditions, including pulp density, residence time, and reagent dosing strategy. The system monitors variations in ore feed characteristics and adjusts reagent ratios accordingly. Feedback loops are often introduced to fine-tune collector and depressant balance in real time. This ensures that performance trends observed in laboratory testing are preserved during scale-up. Pilot validation also identifies potential scale-dependent issues such as mixing efficiency or reagent dispersion, allowing adjustments before full industrial deployment, which improves reliability in long-term plant operation.
Q9. Question
In multi-stage flotation circuits, the system assigns specific reagent roles to each stage, such as bulk collection in roughing, selective separation in cleaning, and final grade improvement in scavenging. Reagent chemistry is adjusted dynamically across stages to match changing pulp composition. This includes modifying collector strength, depressant intensity, and froth stability. Such stage-wise control improves overall recovery while maintaining concentrate quality. It also reduces reprocessing load and enhances circuit efficiency, especially in complex polymetallic ores where mineral associations vary significantly between coarse and fine fractions.
Q10. Question
In continuous production, reagent performance is monitored through process indicators such as recovery rate, concentrate grade, tailings loss, and froth behavior stability. Online monitoring tools, including pH sensors, redox potential, and slurry density measurements, help detect deviations early. The system supports dynamic adjustment of reagent dosage and ratio to stabilize flotation conditions. Regular sampling and metallurgical balance checks are also used to validate performance trends. This ensures long-term stability in industrial operations and reduces variability caused by feed fluctuations, water chemistry changes, or equipment conditions in large-scale mineral processing plants.