PANDA011S Titanium-Based Lithium Ion Sieve Adsorbent

PANDA011S is a high-capacity titanium-based lithium ion sieve adsorbent engineered specifically for lithium resource recovery. Manufactured through nano-hybridization and lithium ion imprinting technology, it provides selective lithium recognition and adsorption performance for complex liquid systems, supporting modern hydrometallurgical lithium production and resource recycling applications.

Application Scope

PANDA011S is designed for lithium extraction scenarios, with applications focused on salt lake brine lithium recovery and spent lithium-ion battery recycling lixivium treatment. Its lithium memory structural sites enable selective adsorption of lithium ions while reducing interference from coexisting impurity ions in complex feed solutions.

Core Dominant Application: Salt Lake Brine Lithium Extraction

Salt lake brine lithium extraction represents the primary application field of PANDA011S. The optimized nano-crystalline active structure delivers high lithium adsorption capacity and stable lithium selectivity in high-salinity brine systems.

The lithium ion imprinting structure effectively identifies lithium ions while resisting interference from magnesium, calcium, sodium and other dissolved impurities. This characteristic makes PANDA011S suitable for complex brine environments where lithium separation efficiency is affected by high impurity concentrations.

With excellent mechanical toughness and anti-scouring performance, the adsorbent supports long-term continuous column operation in industrial lithium production lines. Its low transformation expansion rate helps maintain structural stability during repeated adsorption and desorption cycles, extending service life and reducing replacement frequency.

Secondary Auxiliary Application: Lithium Recovery from Battery Recycling Solutions

PANDA011S also supports lithium enrichment from spent lithium-ion battery recycling lixivium. In multi-metal mixed leachate generated from battery waste materials, the adsorbent selectively captures lithium ions and assists impurity separation before downstream lithium salt production.

The green cyclic operating process aligns with resource recovery requirements in the new energy battery recycling industry, providing an efficient pathway for lithium reuse from secondary resources.

Mechanism

PANDA011S utilizes a titanium-based nano-hybrid lithium ion sieve structure with lithium-specific imprinted active sites. During adsorption, lithium ions are selectively captured through structural recognition, while competing ions with different ionic characteristics are effectively excluded.

The stable ion memory structure maintains selective lithium adsorption performance during repeated adsorption and desorption cycles. This mechanism enables efficient lithium enrichment from high-complexity liquid systems and supports continuous industrial separation processes.

Physicochemical Properties

PANDA011S adopts an advanced titanium-based nano-hybrid functional structure with stable lithium-specific imprinted sites. The adsorbent appears as uniform white or milky white spherical particles with improved structural stability compared with conventional lithium separation materials.

Its balanced rigid and flexible mechanical characteristics provide excellent wear resistance and anti-scouring performance during long-cycle adsorption and desorption operations. The low transformation expansion rate helps prevent particle crushing, powder loss and capacity attenuation under continuous industrial working conditions.

With high particle uniformity and stable physicochemical performance, PANDA011S is suitable for repeated column operation in lithium hydrometallurgical recovery systems, maintaining reliable lithium selectivity throughout extended service cycles.

Specifications

• CAS Number: 12058-19-4

• Functional Structure: Titanium-Based Lithium Ion Sieve

• Appearance: White or Milky White Spherical Particles

• Dry Bulk Density: ＞0.6 g/mL

• Wet Bulk Density: 0.85–1.10 g/mL

• Physical Strength: ≥98.5%

• Transformation Expansion Rate: ≤15.0%

• Particle Size (1.5±1.0mm): ≥95.0%

• Uniformity Coefficient: ≤1.6

• Minimum Bed Height: ≥600 mm

• Operating Flow Rate: 2–10 BV/H

• Operating pH Range: 7.0–14.0

• Backwash Expansion Rate: 50–80%

• Max Operating Temperature: ≤60℃

• Max Lithium Adsorption Capacity: ＞7.0 g Li/L

Storage & Handling

Store PANDA011S in a cool, dry and well-ventilated warehouse. Avoid direct high-temperature exposure and severe freezing conditions to protect the internal nano-crystalline functional structure and lithium imprinted active sites.

Keep the adsorbent moist before industrial loading to maintain adsorption activity. During column operation, control bed height, flow velocity and alkaline pH conditions within the recommended working range to achieve stable lithium adsorption performance.

The desorption process adopts a green cyclic operation approach without industrial waste generation, supporting sustainable lithium recovery and repeated adsorbent utilization.

Advantages / Limitations

Advantages

PANDA011S combines ultra-high lithium adsorption capacity with selective lithium ion recognition performance, making it suitable for complex lithium-containing solutions where conventional separation materials face efficiency limitations.

Its upgraded bulk density improves unit-volume utilization efficiency, while excellent mechanical strength and low transformation expansion rate support stable long-term operation. The adsorbent provides lower replacement frequency and improved operational economics for industrial lithium recovery projects.

The environmentally friendly cyclic process supports lithium resource recovery applications in both mineral extraction and new energy recycling industries.

Limitations

PANDA011S achieves optimal adsorption performance under neutral to alkaline operating conditions and is not designed for long-term strongly acidic environments. The maximum operating temperature is limited to 60℃, requiring appropriate temperature management during high-temperature production conditions.

Summary

PANDA011S is a high-performance second-generation titanium-based lithium ion sieve adsorbent developed for industrial lithium recovery. Focusing on salt lake brine lithium extraction as the primary application and battery recycling lithium enrichment as a secondary application, it provides selective lithium adsorption, stable cyclic performance and green operation characteristics.

With high adsorption capacity, excellent mechanical durability and reliable hydrometallurgical adaptability, PANDA011S provides a professional material solution for modern high-purity lithium production and lithium resource recycling projects.

Titanium-Based Lithium Adsorbent – FAQ

Q1. What is the lithium adsorption capacity of titanium-based adsorbent in salt lake brine lithium extraction?

Titanium-based lithium adsorbents are designed to selectively capture lithium ions from salt lake brines through ion exchange and adsorption mechanisms. The actual lithium adsorption capacity depends on lithium concentration, magnesium-to-lithium ratio, competing ions, pH, temperature, contact time, and adsorbent structure. Laboratory evaluation using representative brine samples is recommended to determine adsorption capacity, adsorption kinetics, and regeneration performance. These results help optimize adsorbent dosage, contact time, and column operating conditions for industrial lithium extraction applications.

Q2. How selective is titanium-based adsorbent for lithium recovery from high magnesium-to-lithium ratio brines?

High magnesium-to-lithium ratio brine is one of the major challenges in salt lake lithium extraction because magnesium ions can compete with lithium during adsorption. Titanium-based lithium adsorbents are developed to provide selective lithium uptake while minimizing interference from major ions such as magnesium, calcium, and sodium. The actual separation performance depends on adsorbent composition, surface properties, and brine chemistry. Testing with real brine samples is recommended to evaluate lithium selectivity, adsorption efficiency, and long-term operating stability under high magnesium conditions.

Q3. How does pH affect the lithium adsorption performance of titanium-based adsorbent?

Brine pH can influence the adsorption equilibrium, surface charge characteristics, and interaction between lithium ions and titanium-based adsorbent materials. Significant pH fluctuations may affect adsorption kinetics, impurity behavior, and regeneration efficiency. During process development, pH optimization tests are commonly performed to evaluate adsorption capacity, equilibrium time, and chemical stability under actual operating conditions. Maintaining an appropriate pH range helps improve adsorption consistency and supports stable continuous lithium extraction operations.

Q4. How does titanium-based adsorbent compare with aluminum-based adsorbent for lithium extraction?

Titanium-based and aluminum-based lithium adsorbents have different material structures, adsorption mechanisms, and application characteristics. Titanium-based adsorbents are often evaluated for their chemical stability and selective lithium recovery capability in complex salt lake brines. Aluminum-based adsorbents may offer different adsorption behaviors depending on brine composition and process requirements. The most suitable adsorbent should be selected based on lithium concentration, magnesium-to-lithium ratio, impurity levels, regeneration conditions, and required process performance through laboratory and pilot-scale comparison testing.

Q5. How does high calcium and magnesium content affect titanium-based lithium adsorbent performance?

Calcium and magnesium ions in salt lake brines may influence lithium adsorption by competing for adsorption sites or causing mineral scaling during long-term operation. Titanium-based lithium adsorbent performance under high hardness conditions depends on its surface properties, structural stability, and resistance to fouling. Proper pretreatment, filtration, and process control may be required for brines with high calcium and magnesium content. Actual brine testing is recommended to evaluate adsorption stability, pressure drop, regeneration efficiency, and long-term cycle performance.

Q6. What factors influence the breakthrough behavior of titanium-based lithium adsorbent columns?

Column breakthrough performance is affected by lithium concentration, brine flow rate, adsorbent particle size, bed height, contact time, and competing ions. Dynamic column testing is commonly used to evaluate the mass transfer zone, adsorption utilization rate, and regeneration cycle of titanium-based lithium adsorbent. These tests provide important data for determining suitable column dimensions and operating parameters. Proper column design helps improve lithium recovery efficiency and maintain stable performance during continuous salt lake extraction processes.

Q7. How does particle size affect lithium adsorption efficiency of titanium-based adsorbent?

The particle size distribution of titanium-based lithium adsorbent influences diffusion rate, adsorption kinetics, pressure drop, and hydraulic performance in fixed-bed systems. Smaller particles may provide faster lithium ion diffusion due to shorter transport distances, while larger particles can improve mechanical stability and reduce flow resistance. The optimal particle size depends on column design, brine viscosity, flow conditions, and required adsorption performance. Laboratory column tests are recommended to balance adsorption efficiency and operational reliability.

Q8. What regeneration methods are used for titanium-based lithium adsorbent?

Regeneration is an important factor affecting the long-term economic performance of titanium-based lithium adsorbent systems. Acid washing or other suitable regeneration methods may be applied depending on adsorbent characteristics and process requirements. Regeneration parameters such as acid concentration, contact time, and washing procedures should be optimized to restore lithium adsorption capacity while maintaining structural stability. Testing with actual process solutions helps determine appropriate regeneration cycles and minimize adsorption capacity loss during repeated operation.

Q9. How do impurities and suspended solids affect titanium-based lithium adsorbent in brine extraction systems?

Suspended solids, organic matter, and dissolved impurities in salt lake brines may reduce adsorbent performance by blocking pores, increasing bed pressure drop, or occupying available adsorption sites. Effective pretreatment and filtration are important for maintaining stable operation. The impact of impurities depends on the specific brine composition and operating environment. Compatibility tests using actual lithium brine samples can help identify potential fouling risks and establish suitable cleaning, maintenance, and regeneration procedures for titanium-based lithium adsorbent systems.

Q10. What should be considered when selecting titanium-based adsorbent for lithium extraction projects?

Selection of titanium-based lithium adsorbent should consider lithium concentration, magnesium-to-lithium ratio, impurity composition, adsorption capacity, regeneration performance, mechanical strength, and process configuration. Laboratory and pilot-scale evaluations are important for assessing adsorption kinetics, breakthrough curves, cycle stability, and chemical compatibility with target brines. A systematic assessment helps determine whether titanium-based adsorbent is suitable for a specific salt lake lithium extraction project and provides technical support for reliable process design and operation.