Crystallization reactor is a chemical equipment, it by controlling the reaction conditions (such as temperature, pressure, stirring speed, etc.) to promote the supersaturation of the substance in the solution, so that it is supersaturated and formed crystals. After these crystals are filtered, washed and dried, a solid product of higher purity can be obtained.

 

The working principle of the crystallization reactor is based on the relationship between the solubility of the substance and the temperature, pressure and other conditions. When the concentration of solute in a solution exceeds its solubility, the solute is precipitated as a crystal. By precisely controlling the temperature, pressure, stirring speed and other parameters in the reactor, the growth conditions of the crystal can be optimized, and the purity and yield of the crystal can be improved.

The crystallization process in a crystallization reactor involves several specific steps.

Preparation: Initially, a solution is prepared by dissolving the desired solute in a suitable solvent. The solute should be soluble in the solvent at higher temperatures and less soluble at lower temperatures to facilitate the crystallization process.

Heating and Mixing: The solution is heated to a predetermined temperature, typically above the solute's saturation temperature, to ensure complete dissolution. During this stage, mixing or agitation is employed to enhance solute distribution and maintain uniformity within the solution.

Cooling: Once the solute is completely dissolved, the cooling process begins. The temperature is gradually reduced towards the desired crystallization temperature. This controlled cooling creates a supersaturated solution, where the solute concentration exceeds its maximum solubility.

Nucleation: As the solution reaches the supersaturated state, nucleation occurs. Nucleation is the formation of tiny crystal particles within the solution. Nucleation can be spontaneous or induced by seeding, where a small number of crystals are added to initiate crystal growth.

Crystal Growth: After nucleation, the crystals continue to grow in size. This growth is facilitated by maintaining suitable temperature and agitation conditions. The crystals attach to each other and develop into larger, well-defined crystals.

Monitoring and Control: Throughout the process, various parameters such as temperature, pressure, and stirring rate are carefully monitored and controlled. These parameters help optimize the crystal size, morphology, and purity.

Separation: Once the desired crystal size and purity have been achieved, the crystals are separated from the remaining liquid phase. Separation techniques such as filtration, centrifugation, or evaporation may be employed based on the characteristics of the crystals and the process requirements.

Washing and Drying: In some cases, the separated crystals may undergo washing to remove impurities or unwanted residual solvents. Subsequently, the crystals are dried to remove any remaining moisture and obtain the final product.

 

Crystallization Reactor

NO.	AC112-1	AC112-2	AC112-3	AC112-5	AC112-10	AC112-20	AC112-30	AC112-50	AC112-100
Reaction Kettle Capacity (L)	1	2	3	5	10	20	30	50	100
Jacket Capacity (L)	1.2	1.8	2	2.2	4	6	8	12	22
Power (V/Hz)	220 50/60
Stirring Power (W)	60				120				250
Stirring Speed (rmp)	0~600 (Max. 1300)
Stirring Shaft Dia.	12								15
Motor Torque (g/cm)	2000	2400		4800	1000	1200		1500	3000
Note	Floor type					SS 304 all stainless frame
Ex-proof	1. The stirring power (W): 180/250/370; 2. Power supply: 220V/50Hz or 110V/60Hz

 

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(1) Equipped with advanced temperature control mechanisms, allowing precise regulation of the temperature throughout the process;

(2) With efficient agitation systems, such as stirrers or impellers, that promote proper mixing and distribution of solute molecules within the solution;

(3) Available in a range of sizes and configurations, making them suitable for both small-scale laboratory experiments and large-scale industrial production;

(4) Accommodate a wide range of solvents and solutes, making them versatile for various applications;

(5) The ability to optimize and control various process parameters, including temperature, pressure, and stirring rate;

(6) Built with safety features to ensure operator protection and prevent process-related risks;

(7) Easy cleaning and maintenance, minimizing downtime between batches and ensuring efficient operation.

Crystallization reactors are commonly used for the purification, pharmaceutical industry, chemical synthesis, material science, separation and recovery processes, etc.

CBD crystallization reactor is used to extract CBD. Cannabidiol, also known as CBD, is a naturally occurring substance that is present in the Cannabis sativa plant. It is a member of the cannabinoid class of compounds.

 

Because to its possible health advantages, CBD has attracted a lot of interest lately. It interacts with the body's endocannabinoid system, which plays a regulatory role in various physiological processes like pain sensation, mood, sleep, and immune function.

 

Research suggests that CBD may have a range of therapeutic properties. It is believed to have anti-inflammatory, analgesic (pain-relieving), anxiolytic (anxiety-reducing), and neuroprotective effects. Therefore, it has garnered interest as a potential treatment for conditions such as chronic pain, anxiety disorders, epilepsy, and certain neurological disorders.

 

CBD is available in different forms, including oils, capsules, topical creams, and edibles. Each form has its own advantages and may be used for different purposes.

 

 

Advantage
1) Excellent material:
Crystallization reactors are usually made of high-quality materials such as stainless steel or titanium alloy, which have good corrosion resistance and high temperature resistance, and can operate stably in high temperature and high pressure environments. 
2) Reasonable structure:
The structure design is reasonable and can meet the needs of different reaction conditions. At the same time, it is equipped with temperature, pressure, stirring and other control systems for easy operation and monitoring. 
3) High energy efficiency:
Using advanced heating, cooling and stirring technologies, the reaction can be completed in a short time, and can effectively reduce energy consumption and improve production efficiency. 
4) High precision crystallization:
With an adjustable filter chamber, the crystal size can be adjusted to complete the crystallization task with higher precision, ensuring the accuracy and integrity of the reaction. 
5) Safe and reliable:
Equipped with multiple safety protection devices, such as over-temperature, over-voltage, overload and other protection systems, can effectively ensure the safety of operators.
6) Wide range of application:
Crystallization reactors are not only suitable for laboratory-scale research, but also for many tasks such as chemical reactions, reaction refining and extraction and separation in industrial production. 

 

Disadvantage
1) Intermittent production, limited production capacity:
The crystallization reactor is generally small in volume and can only be produced intermittently, so the production capacity is relatively small. In cases where a large amount of continuous production is required, multiple devices may be required to operate in parallel.
2) Mixing uniformity problem:
Due to the complex internal structure of the crystallization reactor, there may be some problems such as insufficient stirring, uneven mixing and stirring dead zone. These problems may affect the reaction effect and product quality. 
3) Limited control accuracy:
Although the crystallization reactor has a certain degree of control, it is difficult to conduct very precise mediation and control of the crystallization process, such as precisely controlling the crystal growth rate and crystal size. 
4) High production and maintenance costs:
The high quality material and complex control system make the production cost of crystallization reactor high. At the same time, regular maintenance and maintenance also require a certain cost and time investment.