Dynamic Tubular Microreactor

Features：
• Threaded tubes and rotary-cut flow channels ranging from micrometers to millimeters in size are precision-machined to form a regular network of channels, supporting everything from small-scale laboratory trials to industrial-scale pilot production;
• The parallel or stacked multi-channel design allows for flexible scaling of production capacity with virtually no scale-up effects.

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Description:

The core structure of a dynamic tubular microreactor typically includes a reaction tube (chamber), an internal stirring shaft, a motor drive, a sealed transmission mechanism, and a heat exchange system (such as an external heat exchange jacket).

During operation, the material flows unidirectionally through the tube, and the fins or specially designed blades on the internal stirring shaft generate a swirling, shearing microflow field. This dynamic mixing process not only enhances mass and heat transfer but also propels the material forward like a piston. The overall reaction model closely approximates an ideal flat-shear flow, thereby effectively avoiding the adverse effects caused by material backmixing.

Product Details：

Material States Accommodated	Gas-Liquid-Solid Three-Phase
Main Material	Stainless Steel 316L (Other options: Silicon Carbide, Hastelloy, C4, PTFE, etc.)
Channel Liquid Hold-Up (ml)	6000
Annual Processing Capacity (t/year) (24-hour operation)	10000
Working Temperature (℃)	-70~200℃ (Customizable up to 300℃)
Working Pressure (MPa)	2 MPa (Adjustable per customer process requirements)
Sealing Type	Static Seal
Heat Exchange Method	Internal and External Jackets

Application:

Reaction Type	Examples of Reactions	Advantages of Microcanal Reactors
Bromination	Methyl Bromination	Excellent control over the monobromination ratio
	Addition to Double Bonds	Virtually quantitative reaction
	Hydroxyl Bromination	Excellent control over isomerization impurities
Chlorination	Alkane Chlorination	Higher selectivity than conventional reactors
	Benzyl Chlorination	Higher selectivity than conventional reactors
	Heterocyclic Chlorination	Higher selectivity than conventional reactors
Nitration	Nitration of Alcohols and Amines	Significant reduction in oxidation impurities
Nitration	Nitration of Benzene Rings and Heterocycles	Excellent control over dinitration and oxidation impurities
Low-temperature reaction	Low-Temperature Halogenation and Addition	No cryogenic cooling required; significantly improved yield
Low-temperature reaction	Low-Temperature Dechlorination and Addition	No cryogenic cooling required; very rapid reaction with high yield
Hydrogenation	Hydrogenation of Double Bonds	Effectively reduces over-reduction and polymerization impurities
	Deprotection	The reaction is fast, selectively deprotecting without reducing other easily reducible groups
	Reduction of Alkynes	Can selectively reduce to alkenes
	Reduction of Carbonyl Groups	Reduced catalyst consumption and increased number of reuses
Oxidation	Oxidation of Hydroxyl Groups	High selectivity with reduced other impurities
	Oxidation of Methylene Groups to Ketones	Selective oxidation of the α-methylene group in alkenes, offering higher selectivity and safety
	Oxidation of Alkenes to Diols	Significant increase in selectivity
	Oxidative Elimination Reactions	Allows the use of low-boiling-point, easily recoverable solvents with nearly quantitative conversion
Other	Michael Addition Reactions	Increased selectivity and reduced polymerization
	Proton-Catalyzed Cyclization	Reduced dimerization and isomerization, with a significant increase in yield
	Suzuki Coupling	Increased yield
	Coupling of Azo Compounds	Reduced azo decomposition, with yields potentially reaching 100%

Industry	Reaction Type	Reaction Materials Involved in Continuous Applications
Pharmaceuticals and Intermediates	Nitration	Solvents: nitric acid, acetic acid, dichloromethane, dichloroethane, acetic acid, acetic anhydride
		Dichloroethane, etc.
		Nitrating agents: fuming nitric acid, sulfuric acid, dinitrogen pentoxide
Pesticides and Intermediates	Diazonation	Phenylhydrazine, sodium nitrite, hydrochloric acid, sulfuric acid, methylpyridine, solid-liquid reactions
New Materials	Oxidation	Phosphotungstic acid, hydrogen peroxide, sodium hypochlorite, oxidation of hydroxyl groups, oxidation of methylene groups to ketones
New Materials	Oxidation	Oxidation of alkenes to diols, oxidative elimination reactions
New Energy	Bromination	Methyl bromination, addition to double bonds, hydroxyl bromination
Dyes and Pigments	Chlorination	Alkanes, benzyl groups, chlorine gas, chlorination of heterocycles
Flavors and Fragrances	Hydrogenation	Hydrogenation of double bonds, deprotection, reduction of alkenes, reduction of carbon groups
Defense Industry	Alkylation	Methanol, ethanol, propanol, butanol, acetic acid, propionic acid, halides
Fine Chemicals	Halogenation	Chlorobenzene, bromoacrylonitrile, iodoethanol
Nanomaterials	Fluorination	Fluoroethylene, fluoroacetone, fluoroaniline, fluoroacetic acid
Cosmetics Industry	Esterification	Esterification reactions of fatty acids and polyols such as pentaerythritol; ethyl acetate, butyl propionate
	Sulfonation	Benzene, ethanol, n-butane, concentrated sulfuric acid, or fuming nitric acid
	Grignard reaction	Reaction of bromoethane with magnesium to produce ethyl Grignard reagent
	Solid-liquid reaction	Nitromethane, iron phosphate production, IVD microsphere preparation, pharmaceutical microsphere preparation
	Gas-liquid reaction	Oxidation reactions, hydrogenation reactions, etc.