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L-01-12-M14 |
Laboratory Gold-Loaded Carbon Desorption & Electrowinning Unit for Hydrometallurgical Testing |
The Laboratory Gold-Loaded Carbon Desorption & Electrowinning Unit is an integrated experimental system designed for gold and silver recovery research in hydrometallurgical laboratories. It is developed for verification of cyanidation and carbon-in-leach (CIL) gold extraction processes, performing desorption of precious metals from activated carbon and subsequent electrowinning precipitation.
The system provides three configurable operating modes: high temperature & high pressure, high temperature & atmospheric pressure, and ambient temperature & atmospheric pressure desorption. Equipped with imported rotary column metering pumps, mass flow meters and PLC touch screen operation, it enables controlled liquid circulation and flexible simulation of industrial gold extraction workflows.
With compact integration of desorption, circulation and electrowinning functions, this equipment is suitable for mineral research institutions, university laboratories, gold mine process testing and hydrometallurgical evaluation from laboratory studies to small-scale process verification.
This Hydrometallurgy Laboratory Equipment supports workflows including mineral sample preparation, metallurgical testing and gold recovery process evaluation, serving mining laboratories, research institutions and pilot-scale mineral processing facilities.
The unit processes gold-loaded activated carbon samples generated from cyanidation and carbon adsorption tests. It performs controlled desorption to obtain electrolyte solutions suitable for subsequent electrowinning precipitation and precious metal analysis.
Technicians can conduct comparative experiments under different temperature and pressure conditions to evaluate desorption performance, electrowinning results and process feasibility. The system provides consistent experimental conditions for hydrometallurgical research and parameter verification.
The equipment simulates key stages of industrial gold recovery workflows, including carbon adsorption, desorption and electrowinning links. It is suitable for laboratory research, teaching demonstrations and small-scale process testing of gold ore hydrometallurgical projects.
Three optional process configurations cover high-temperature high-pressure, high-temperature atmospheric pressure and ambient-temperature atmospheric pressure desorption modes, supporting diversified experimental condition simulation.
Imported metering pumps and mass flow meters provide real-time flow monitoring and stable liquid circulation control during repeated laboratory tests.
PLC touch screen operation simplifies parameter adjustment and process management, improving experimental flexibility for different gold recovery research workflows.
Complete safety accessories and standardized circuit and pipeline layouts support stable long-term laboratory operation.
All models achieve a gold electrowinning rate of over 99%, providing reliable experimental indicators for hydrometallurgical process analysis.
Customizable carbon loading capacity allows adaptation to different laboratory test batch requirements and research project scales.
Compact integrated structure combines desorption, circulation and electrowinning functions while reducing laboratory space requirements.
| Parameter Item | High Temp & High Pressure | High Temp & Atmospheric Pressure | Ambient Temp & Atmospheric Pressure |
|---|---|---|---|
| Desorption / Feed Tank Volume | 60–130 L | 80–130 L | 80–130 L |
| Desorption Column Carbon Loading Capacity | 1–10 kg | 1–10 kg | 1–10 kg |
| Heater Power | 10–18 kW | 10–18 kW | 10–18 kW |
| Electrowinning Cell Volume | 20–40 L | 20–40 L | 20–40 L |
| Rectifier Cabinet Output | 0–6V / 30–100A | 0–6V / 30–100A | 0–6V / 30–100A |
| Circulation Pump Power / Flow Rate | 370W / 0–100L/h | 370W / 0–100L/h | 370W / 0–100L/h |
| Total Power Supply | 380V / 12–20kW | 380V / 12–20kW | 380V / 12–20kW |
| Desorption Time | 24 h | 48 h | 48 h |
| Desorption Temperature | 150℃ | 110–120℃ | 95–98℃ |
| Gold Electrowinning Rate | ≥99% | ≥99% | ≥99% |
| Floor Dimension | 2100×1300×2750 mm | 2100×1500×2850 mm | 2000×900×1800 mm |
| Complete Machine Weight | 600 kg | 700 kg | 400 kg |
Users can select three standard process versions according to laboratory objectives and operating conditions. The high temperature and high pressure model provides the shortest desorption cycle for efficient process testing. The high-temperature atmospheric pressure model balances process efficiency and operational simplicity for conventional hydrometallurgical research.
The ambient temperature atmospheric pressure model is suitable for low-energy routine verification experiments and teaching applications. The desorption column carbon loading capacity can also be customized according to laboratory test batch requirements.
FKN PANDA Laboratory Gold-Loaded Carbon Desorption & Electrowinning Unit provides reliable testing performance through controlled flow monitoring, stable temperature operation and standardized rectifier output. A gold electrowinning rate above 99% supports repeatable and credible experimental data for hydrometallurgical evaluation.
The integrated structure improves operational reliability. Mature pipeline and circuit design combined with safety accessories supports continuous laboratory testing while maintaining stable circulation and heating conditions.
The system improves laboratory workflow efficiency by integrating desorption and electrowinning functions into one platform. Multiple operating modes reduce the need for separate experimental equipment and simplify process verification procedures.
Designed according to industrial CIL and cyanidation gold extraction principles, the unit integrates with laboratory sample preparation, metallurgical testing and process condition verification workflows, helping researchers evaluate gold recovery processes before production implementation.
The multifunctional configuration reduces investment in multiple single-purpose devices. Optional models and customizable carbon loading capacity provide flexible laboratory solutions with improved equipment utilization and long-term operating value.
Q1. How to select a carbon adsorption test apparatus for gold recovery studies in hydrometallurgical laboratories?
Selecting a carbon adsorption test apparatus requires consideration of the laboratory testing objectives, ore characteristics, and intended process evaluation stage. Factors such as batch or continuous operation, compatibility with gold-bearing solutions, carbon handling capability, and integration with adsorption and desorption studies should be evaluated. In a mining laboratory workflow, the apparatus should support reliable testing from mineral evaluation through metallurgical process development, helping engineers understand gold adsorption behavior and optimize recovery conditions before pilot-scale studies.
Q2. Which type of electrolytic elution system is suitable for loaded carbon stripping research in gold processing laboratories?
The selection of an electrolytic elution system depends on the research requirements, including loaded carbon characteristics, solution chemistry, and the purpose of the metallurgical evaluation. Laboratory systems used for gold stripping studies should allow controlled investigation of elution conditions and provide repeatable test results. The equipment configuration should match the laboratory workflow, supporting studies related to carbon loading, gold recovery evaluation, process optimization, and scale-up decisions for gold processing applications.
Q3. What factors should be considered when choosing a carbon-in-pulp test apparatus for gold ore characterization?
When choosing a carbon-in-pulp test apparatus, laboratories should consider ore properties, expected testing procedures, carbon characteristics, solution conditions, and the required level of process simulation. The equipment should support representative evaluation of adsorption behavior during gold extraction studies. Proper selection helps metallurgical engineers analyze the relationship between ore mineralogy, leaching performance, carbon adsorption efficiency, and downstream recovery requirements within a controlled laboratory environment.
Q4. How does a carbon adsorption-elution test apparatus support gold recovery process development?
A carbon adsorption-elution test apparatus supports gold recovery studies by providing a controlled platform for evaluating adsorption, carbon loading, stripping, and recovery behavior. It helps laboratories generate technical information during metallurgical testing, allowing engineers to compare process conditions and assess ore response. These results can contribute to process decisions during mine development, laboratory expansion, or equipment replacement projects by improving understanding of gold recovery mechanisms before larger-scale validation.
Q5. Can a carbon adsorption test unit be used for cyanide leaching solution evaluation from gold ores?
Yes, laboratory carbon adsorption test units are commonly used in hydrometallurgical research involving gold-bearing leach solutions. Their application depends on the equipment configuration, material compatibility, and specific testing requirements. The apparatus can assist laboratories in evaluating how dissolved gold interacts with activated carbon during recovery studies. Proper test planning, including solution preparation and analytical evaluation, helps ensure meaningful results for mineral processing engineers and metallurgical researchers.
Q6. How can laboratories improve testing repeatability when using carbon adsorption-elution apparatus for gold recovery studies?
Testing repeatability depends on consistent sample preparation, controlled operating conditions, accurate measurement procedures, and proper equipment operation. Laboratories should maintain stable testing parameters, follow defined experimental procedures, and regularly verify key operating conditions. A suitable carbon adsorption-elution apparatus provides a controlled environment for comparing different ore samples and process conditions, supporting reliable metallurgical evaluation from initial mineral testing through recovery process optimization.
Q7. What maintenance requirements are important for carbon adsorption and elution test equipment in mining laboratories?
Regular maintenance is important for maintaining stable laboratory operation and reliable test performance. Typical considerations include inspection of process components, cleaning of contact areas, checking fluid pathways, and monitoring parts exposed to chemical environments. Maintenance requirements depend on equipment design and operating conditions. Proper maintenance planning helps laboratories reduce operational interruptions and support continuous hydrometallurgical testing activities involving gold adsorption, stripping, and recovery evaluation.
Q8. How should laboratories optimize elution parameters during gold stripping experiments with loaded carbon?
Optimization of elution parameters requires systematic evaluation of operating variables such as solution chemistry, temperature conditions, flow characteristics, and carbon properties. Laboratory testing should be designed to identify the relationship between these factors and gold desorption performance. By using controlled experimental procedures, metallurgical engineers can evaluate different stripping conditions and develop technical information required for process improvement, pilot testing preparation, and gold recovery circuit assessment.
Q9. Can a carbon adsorption-elution test apparatus be integrated into a complete gold metallurgy laboratory workflow?
A carbon adsorption-elution test apparatus can be incorporated into a broader gold metallurgy testing workflow when the laboratory evaluates the complete process sequence. It can support studies following sample preparation and mineral testing, extending into leaching evaluation, adsorption behavior analysis, and metallurgical recovery assessment. Integration depends on laboratory requirements and available testing equipment, but the apparatus can serve as an important tool for process understanding and technical decision-making.
Q10. How can laboratory carbon adsorption-elution test results be validated for scale-up to industrial gold processing operations?
Validation requires comparison of laboratory findings with representative process conditions, analytical results, and larger-scale testing data. Engineers typically review factors such as ore characteristics, carbon performance, solution chemistry, and recovery behavior when assessing scale-up relevance. Laboratory results provide technical guidance for process development, while pilot-scale or operational data are used for further confirmation. Careful validation helps reduce uncertainty during gold processing project evaluation and expansion planning.
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