Flow Photochemical Reactors

• Application: Lab
• Type: Reaction Type
• Model NO.: CM-DG & PG

Product Description

A Photochemical reactor is a device that uses light (Photon) to perform a chemical reaction. Typically, the chemical reactions need a high temperature (about 100 to 250 degrees Celsius) for a large production scale. However, this process also gives useless byproducts and losses. With the help of a photoreactor, the process of material synthesis becomes easy. It is efficient and does not produce unwanted byproducts. Mainly this reaction carries out in the presence of photon and catalyst; hence it is called a Photocatalytic reactor. The process of photochlorination, water splitting, aflatoxin production, sulfonation, sulfoxidation, and nitrosylation can be performed successfully using this reactor setup. The reactor is also known as a UV reactor because the "light" we talk about here is commonly ultraviolet light. Comparing it to the traditional methods is much more reliable, consistent, and precise and gives opportunities to explore photochemistry.

1. Summary

Photochemical reactor is is mainly applied to research gas / liquid phases, fixed / simulated visible light, Photochemical reaction under conditions of photocatalyst,etc. Be widely used in fields of Chemosynthesis, environment protection, life science, etc.
Continuous flow photochemical reactors can improve the efficiency of chemical synthesis, and can also perform reactions that would otherwise be impossible.
The photochemistry reactor is modular, flexible, scalable and easy-to-use, it makes modern photochemistry techniques accessible without the limitations of traditional batch requirements.
The  photochemical reactor system is appropriate for "free radical" reaction mechanism. Its application is highly popular in fields such as halogenations of organic compounds, production of primary mercaptans, oxidation, isomerizations, polymerizations, hydrogen generation, solar application, Photolysis of toxic wastes etc.
Photochemistry is also used in the curing (polymerization) of specially formulated printing inks and coatings. Used in research and science, environment, green/clean energy, water splitting and so on. Our products are distinct, designed with an eye on easy operations and cleaning; optimum lamp spacing, uniform flow field, and significant efficiency advantages amongst others. The photo catalytic reactor is also used for derivatisation of Aflatoxins and enhanced detection.
The CM-DG photochemical reactor makes photochemistry accessible. Eliminating the problems of traditional batch photochemistry, the CM-DG photochemical reactor allows the full potential of photochemistry to be exploited. It offers safe, precise, efficient, consistent and scalable photochemistry under continuous flow operation.
The narrow channel dimensions of flow reactors provide opportunities to ensure a uniform irradiation of the entire reaction mixture. Consequently, photochemical reactions can be substantially accelerated and scaled to higher quantities compared with batch reactors. Flow chemistry is also the technology of choice for transformations involving multiple phases. The high surface-area-to-volume ratios are a consequence of the small reactor size, leading to efficient mass transfer between two (or even three) phases. In case of gaseous reagents, flow reactors further offer the opportunity to control the stoichiometry of gasses with mass-flow controllers and are easily pressurized, which increases the solubility of gasses in the reaction mixture.
Concerning the light input we count on energy-efficient LED technology. The small size of the LEDs and their relatively low waste heat allow for a targeted adaption of the lighting units to any particular microreactor class. A further special advantage of these light sources is their quasi-monochromatic light emission, allowing a very selective excitation of the photochemically active material.

2. Specifications of CM-DG Photochemical Reactors
 

CM-DG Series Continuous Flow Photoreactors
Model	CM-DG-M	CM-DG-M(HT)	CM-DG-M(CRT)	CM-PG-M(CRT)
Size	152*152mm			290*290mm
Material	glass
Volume	18ml	18ml	23ml	238ml
Residence time	10.8s-180min	10.8s-180min	13.8s-230min	-
Temperature Range	-25°C-195°C
Operating Pressure	0-20bar
Throughput	0.1-100mL/min(up to 6kg/h)			0.5-3L/min(up to 180kg/h)
Structure type	-	-	continue rotation	continue rotation
Applicable reaction type	Liquid-liquid or gas-liquid mixing	Liquid-liquid or gas-liquid mixing, compatible with some solid particles	Used for continuous crystallization and high requirements on the consistency of solid particles, liquid-liquid, and liquid-solid type processes	Used for continuous crystallization and high requirements on the consistency of solid particles, liquid-liquid, and liquid-solid type processes
Holder	PFA/PPS option			PFA
Reagent import and export	Two in and one out or one in and one out (*Multiple imports can be customized)
Number of standard series reaction modules	6			-
Type of light source	LED light source
Light type	double sided lighting
Electric power of a single lamp bead	2W or 3W
Light source range	>280nm
Other	285nm,295nm,310nm,365nm,395nm,405-425nm,450-475nm(blue),520-550nm(green),4000K,6000K etc
Light source cooling method	Liquid cooling

3.Applications

The advantages associated with visible light photocatalysis resulted in various applications in medicinal chemistry, including drug discovery, bioconjugation, late-stage C-H functionalization, and isotopic labeling .
·Photo chlorination
·Production of Vitamin D
·Photo alkylation
·Artemisinin production (anti malarial drug)
·Production of E-caprolactame
·Water Splitting
·Water treatment
·Pharmaceuticals industry
·Research and development laboratories
·Educational institutes
·Alternative Energy
·Environmental Engineering

4.Possible photochemical applications include:

·in situ generation of singlet oxygen
·photooxidation
·cis-trans isomerization
·fluorination
·cyanation
·carbon-carbon bond formation via diazonium chemistry
·nanoparticle manufacturing

5.Continuous reactions include:

·Ring-opening
·Photo-redox
·Photo-oxidation