Order Code	Product Name
L-01-12-M12	Laboratory Continuous Leaching Reaction System for Hydrometallurgical Testing

Laboratory Continuous Leaching Reaction System for Hydrometallurgical Testing

Brief Introduction

The Laboratory Continuous Leaching Reaction System is a pilot-scale atmospheric reaction platform designed for hydrometallurgical continuous leaching, impurity removal and precipitation experiments. Constructed with high-performance polypropylene (PP) material, the reactor provides excellent chemical stability, thermal tolerance and wear resistance for long-term operation under acidic and corrosive mineral solution conditions.

Available in 50L, 80L and 100L capacities, this system integrates fixed-power stirring units with flexible heating and discharge configurations. It supports atmospheric-pressure continuous leaching, secondary resource recovery and pH-controlled hydrolysis precipitation processes including iron and aluminum removal. The modular design provides stable and repeatable reaction conditions for mining laboratory process verification and small-batch continuous production simulation.

Application Scope

The continuous reaction system is designed for professional mining and hydrometallurgical laboratory workflows, covering mineral sample preparation, metallurgical testing, mineral analysis and pilot process evaluation.

In mineral sample preparation, the equipment performs continuous bulk leaching and impurity pretreatment of ore samples. Stable stirring and uniform heating improve reaction consistency, producing standardized leachate and precipitation samples for subsequent elemental detection and purity analysis.

In metallurgical testing and mineral analysis, technicians evaluate continuous leaching behavior, impurity precipitation characteristics and solution purification performance. The system supports comparative testing of heating modes and discharge structures, helping establish suitable process conditions for mineral wet treatment.

In hydrometallurgy applications, the reactor simulates industrial atmospheric continuous leaching workflows for secondary resource recovery, iron-aluminum impurity removal and pH-controlled hydrolysis precipitation processes. Pilot test results provide valuable references for production process design and scale-up evaluation.

Features

• High-quality polypropylene (PP) reactor body provides excellent chemical resistance, thermal stability and wear resistance, supporting long-term operation in corrosive metallurgical solution environments.

• Four optional heating configurations, including PTFE electric heating, borosilicate glass electric heating, titanium electric heating and titanium coil with high-temperature circulating oil bath, adapt to different temperature control requirements and solution characteristics.

• Dual bottom discharge valve options, including PP flange ball valve and top-entry metallic discharge valve, meet different solution purity requirements and discharge efficiency demands.

• Fixed 550W high-power stirring configuration supports large-volume reactor operation, while 0–280 rpm stepless speed regulation ensures uniform slurry mixing and sufficient solid-liquid reaction.

• Atmospheric-pressure operation and room temperature to 100°C working range match conventional hydrometallurgical leaching and impurity precipitation testing conditions.

• Modular configuration and customizable structure allow flexible adjustment according to pilot-scale experiments, continuous leaching tests and small production simulation requirements.

Specification

Parameter Item	Technical Details
Reactor Capacity	50L / 80L / 100L
Kettle Material	Polypropylene (PP)
Working Temperature Range	Room Temperature to 100°C
Working Pressure	Atmospheric Pressure
Stirring Power	550W
Stirring Speed Range	0–280 rpm
Heating Device (Optional)	PTFE Electric Heating / Borosilicate Glass Electric Heating / Titanium Electric Heating / Titanium Coil + High-Temperature Circulating Oil Bath
Control System	General-purpose Control Panel
Bottom Discharge Valve (Optional)	PP Flange Ball Valve / Top-Entry Metallic Discharge Valve

Other Specification for Option

The system supports customized configurations according to laboratory testing requirements and process conditions. Users can select different heating methods and discharge valve structures based on solution corrosiveness, temperature control requirements and discharge operation scenarios.

Additional structural and functional optimization options are available for continuous leaching, precipitation testing and secondary resource recovery workflows, enabling flexible configuration of pilot-scale hydrometallurgical experimental platforms.

Why Choose FKN PANDA

FKN PANDA Laboratory Continuous Leaching Reaction System provides reliable testing performance through stable PP reactor construction and adjustable stirring conditions. Flexible heating and discharge configurations allow researchers to establish consistent reaction environments and obtain repeatable experimental data for hydrometallurgical evaluation.

The system delivers strong operational reliability through corrosion-resistant reactor materials and standardized components. The wear-resistant PP structure, matched stirring power and stable heating options support long-term cyclic laboratory and pilot-scale testing.

The equipment improves laboratory workflow efficiency by integrating continuous reaction capability with an independent control panel. This design reduces repeated equipment replacement during batch testing and simplifies process condition adjustment.

Designed for hydrometallurgical continuous leaching, impurity removal and secondary resource recovery studies, the system integrates effectively into mineral sample processing, metallurgical testing and pilot process verification workflows.

With durable construction and flexible modular options, FKN PANDA provides a cost-effective reaction platform that reduces maintenance requirements while supporting diverse mining and metallurgical laboratory applications.

Laboratory Continuous Leaching Reaction System – FAQ

Q1. How to select a laboratory continuous leaching reaction system for hydrometallurgical process development?

Selecting a laboratory continuous leaching reaction system requires consideration of the target ore type, leaching mechanism, testing objectives, and required process simulation conditions. Important factors include reactor configuration, number of stages, mixing capability, slurry handling requirements, sampling method, and control functions. The system should support metallurgical evaluation from prepared ore samples through continuous leaching tests and solution analysis. For mining laboratories involved in new facility setup, process research, or equipment replacement, selection should focus on obtaining reliable operating data for evaluating process feasibility and supporting scale-up decisions.

Q2. Which ore types require continuous leaching testing in laboratory-scale metallurgical research?

Continuous leaching testing is commonly applied when researchers need to understand long-duration process behavior, steady-state conditions, and the impact of residence time on mineral dissolution. It can be used for various hydrometallurgical studies involving sulfide ores, oxide ores, precious metal resources, and complex mineral systems. Compared with short-duration batch tests, continuous operation helps evaluate factors such as feed variation, slurry flow behavior, and operational stability. This makes the system useful during metallurgical research programs where laboratory results are used to guide further process evaluation and development.

Q3. How does continuous operation affect leaching kinetics and metal recovery compared with batch leaching?

Continuous leaching operation provides a different testing environment from batch experiments by maintaining continuous feed, reaction, and discharge conditions. This allows engineers to study steady-state behavior, residence time effects, and process stability under controlled operating conditions. Continuous systems can provide additional information about mixing efficiency, reagent consumption, and mineral dissolution trends over extended operation periods. When comparing results with batch leaching tests, laboratory personnel should consider differences in operating mode, sampling methods, and process objectives to ensure accurate interpretation of metallurgical performance.

Q4. What factors should be considered when specifying stages, mixing intensity, and reactor configuration for continuous leaching systems?

The selection of reactor stages and operating configuration depends on ore characteristics, reaction kinetics, required residence time, and the intended process simulation. Mixing intensity should provide suitable contact between solids, liquids, and reagents while maintaining stable slurry conditions. Multi-stage configurations may be considered when evaluating progressive reactions or longer residence time requirements. During system specification, metallurgical engineers should assess the relationship between reactor design, sampling requirements, and analytical objectives to ensure the laboratory system can generate meaningful data for process evaluation.

Q5. How can a laboratory continuous leaching reaction system be integrated into a hydrometallurgical laboratory workflow?

A laboratory continuous leaching reaction system can be integrated into the hydrometallurgical workflow after ore sample preparation and preliminary mineral testing. The system enables continuous evaluation of leaching behavior, followed by solution and residue analysis to assess metallurgical performance. Data generated from continuous operation can support process comparison, reagent optimization, and technical evaluation before pilot-scale studies. For laboratories expanding their testing capabilities, integration with controlled feeding, monitoring, and sampling functions helps improve workflow consistency and provides a structured approach from sample characterization to process decision-making.

Q6. Which parameters most influence stability and reproducibility in continuous laboratory leaching operation?

Continuous leaching stability is influenced by multiple operating parameters, including feed consistency, slurry density, flow balance, mixing performance, residence time distribution, and reagent conditions. Maintaining stable operating conditions is important for obtaining representative samples and reliable analytical results. Laboratory technicians and engineers should monitor both process variables and material characteristics when evaluating system performance. Proper control of these factors helps reduce experimental variation and improves the reliability of data used for metallurgical assessment and potential scale-up studies.

Q7. How to optimize solid feed rate, liquid flow rate, and slurry density in continuous leaching experiments?

Optimization of feed and flow conditions requires understanding the relationship between mineral characteristics, reaction kinetics, and reactor capacity. Solid feed rate, liquid flow rate, and slurry density should be adjusted according to the objectives of the leaching study and the behavior of the tested material. Controlled operation allows researchers to evaluate how changes in material loading influence dissolution, mixing, and steady-state performance. A systematic testing approach helps laboratories identify suitable operating ranges and generate more useful data for hydrometallurgical process evaluation.

Q8. What maintenance requirements are critical for laboratory continuous leaching reaction systems?

Regular maintenance is essential for maintaining stable continuous operation and reliable testing results. Important inspection areas typically include agitators, impellers, seals, pumps, overflow components, feeding systems, and sampling equipment. Contact with abrasive solids or corrosive leaching solutions may influence component service conditions over time, requiring appropriate cleaning and inspection procedures. Routine maintenance helps minimize operational interruptions and supports consistent performance during extended laboratory campaigns, especially when conducting continuous tests for mineral processing and hydrometallurgical research.

Q9. Which automation features improve data reliability in continuous leaching systems?

Automation features such as flow monitoring, level control, feed regulation, data logging, and online process monitoring can improve operational consistency in continuous leaching experiments. These functions help maintain defined operating conditions and provide better visibility of process changes during long-duration tests. For mining laboratories conducting repeated metallurgical evaluations, automated data collection also supports comparison between different ore samples and process conditions. The appropriate automation level should be selected according to laboratory requirements, testing complexity, and the need for process monitoring.

Q10. How to validate laboratory continuous leaching test results against pilot plant or industrial leaching performance?

Validation requires comparing laboratory continuous leaching data with pilot-scale objectives and industrial process requirements. Key evaluation factors include operating conditions, residence time, slurry behavior, solution chemistry, metal dissolution trends, and overall process stability. Laboratory systems provide controlled environments for studying continuous operation before larger-scale implementation. Accurate documentation of feed characteristics, operating parameters, and analytical results helps engineers evaluate scale-up relationships and improve confidence when applying laboratory findings to pilot plant or industrial leaching circuit development.

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