Catalytic Cracking Micro Fixed-Bed Reactor

The catalytic cracking microfixed-bed reactor is a laboratory-scale device used to simulate industrial catalytic cracking processes. It typically consists of a small fixed-bed reactor packed with a specific catalyst, which facilitates the cracking of hydrocarbon feedstocks under high-temperature and high-pressure conditions. This type of apparatus enables researchers to investigate, in a controlled environment, the kinetics of cracking reactions, catalyst performance, product distribution, and the influence of reaction conditions on the cracking process. The design and operation of the catalytic cracking microfixed-bed reactor demand a high degree of precision to ensure the reliability and reproducibility of experimental results. Researchers must select appropriate catalysts and reaction conditions based on their experimental objectives, and perform proper calibration and maintenance of the apparatus. By using this device, industrial catalytic cracking processes can be simulated on a smaller scale, providing crucial experimental data for catalyst development, process optimization, and the study of reaction mechanisms.

Membrane Reactor Fixed-Bed Evaluation System

The membrane reactor fixed-bed evaluation unit is primarily used to evaluate and study process operations, explore optimal process parameters, and provide foundational design data for pilot-scale and industrial-scale process design. It features a high‑precision electronic metering system for gas and liquid feed, an integrated nano‑scale membrane tube sparging module that transforms liquid substrates into a milky emulsion-like state. The membrane tube assembly includes a visual inspection window for real‑time monitoring, an ultra‑long constant‑temperature reaction zone, and a large loading capacity of 50 mL.

Fixed-Bed Catalyst Evaluation System

The fixed-bed catalyst evaluation unit can be used to assess key performance indicators such as catalyst activity, selectivity, stability, and lifespan. By adjusting reaction conditions—including temperature, pressure, gas composition, and flow rate—different industrial reaction environments can be simulated, enabling a comprehensive evaluation of the catalyst’s performance in real-world applications. The ester and alcohol preparation continuous flow synthesis system is primarily used for research on continuous flow synthesis processes. The system is designed with two reactors that can be switched between operations, allowing for the execution of various types of continuous flow reactions. It is mainly employed to evaluate and study process parameters, explore optimal operating conditions, and, through sampling, analysis, evaluation, and data processing, obtain data on product distribution and product properties. This facilitates the transition from batch to continuous reaction processes and provides foundational design data for pilot-scale and industrial-scale process development.

Fixed-Bed Heater

A fixed-bed heater is an experimental apparatus commonly used in fields such as chemical engineering, materials science, and energy research. It primarily consists of a furnace body, a heating system, a control system, an atmosphere control system, a reactor, and a product collection system. The furnace body is typically constructed from high‑temperature–resistant materials, such as stainless steel or special alloys, to withstand prolonged exposure to high temperatures and potential corrosive environments. Inside the furnace body is a fixed‑bed reactor, which is packed with catalysts or solid materials under investigation. The heating system is the core component of the fixed‑bed heater and can utilize electric heating, gas combustion, or other heat sources to supply thermal energy. Electric heating systems convert electrical energy into thermal energy via electric heating wires or heating elements, while gas combustion systems generate heat by burning natural gas, propane, or other fuels. The control system is responsible for regulating the temperature and atmosphere within the heater, ensuring that reactions proceed under optimal conditions. Temperature control is usually achieved using PID controllers in conjunction with temperature sensors such as thermocouples or RTDs. The atmosphere control system allows for precise adjustment of the gas composition and pressure inside the furnace, and may also include flow meters and gas analyzers to monitor gas flow rates and compositions. The product collection system is used to collect and analyze the products generated after the reaction. Depending on the nature of the reaction, this system may comprise components such as condensers, separators, and gas scrubbing bottles. The design and operation of a fixed‑bed heater must take into account factors such as the reaction’s thermodynamic characteristics, the stability of the catalyst, the properties of the feedstock, and the desired purity of the target products. Proper design and operation can enhance experimental efficiency, optimize product yield and quality, while also ensuring the safety of the experimental process.

Carbon Dioxide Methane Steam Reforming Reaction – Micro Fixed Bed

Carbon Dioxide Methane Steam Reforming Reactor, Methane Steam Reforming Unit, High-Pressure Hydrogenation Fixed-Bed Catalyst Evaluation Unit, Methane Steam Reforming to Synthesis Gas Reactor, Fixed-Bed Catalyst Evaluation Microreactor. The high-pressure hydrogenation fixed-bed catalyst evaluation unit features a 310S reaction tube material, a design temperature of 1000°C, and a design pressure of 25 MPa. The bed is equipped with thermocouples for temperature measurement and includes temperature interlock protection. The product stream is designed with a fresh sample collection module and an automatic liquid discharge module; during automatic liquid discharge, pressure compensation is automatically implemented to prevent fluctuations in the reaction system pressure.

Fixed bed

A fixed-bed reactor is a chemical reaction apparatus in which solid catalysts are immobilized within the reactor in the form of a bed, while reactants—whether gaseous or liquid—flow through this catalyst bed and undergo chemical reactions. This reactor design is suitable for both continuous and batch operations and is widely used in fields such as petroleum refining, chemical production, and environmental engineering. The advantages of fixed-bed reactors include simple construction, stable operation, and ease of control; however, they also face challenges such as high pressure drop, limited catalyst life, and constraints on heat transfer. To address these challenges, engineers optimize reactor design, catalyst formulations, and operating conditions to enhance reaction efficiency and product quality.

Synthetic Ammonia Fixed-Bed Reactor

The fixed-bed reactor for ammonia synthesis is an industrial device used to produce ammonia, in which the catalyst is arranged in a fixed bed. This process is based on the Haber–Bosch process, a chemical reaction that converts nitrogen (N₂) and hydrogen (H₂) into ammonia (NH₃) under high temperature, high pressure, and in the presence of a catalyst. Fixed-bed reactors are widely employed in industrial ammonia production due to their simple structure and stable operation. However, these reactors have certain drawbacks, including significant pressure drop across the catalyst bed and the gradual decline in catalyst activity, which necessitates periodic replacement.

Micro Fixed Bed

The YZuBPR series from YanZheng Instruments is a miniature fixed-bed reactor system. This reactor system is widely applicable for evaluating various catalysts and reaction process conditions under gas–solid phase or trickle-flow conditions, including catalyst screening, compositional screening and optimization of multi‑component catalysts, optimization of reaction conditions and processes, as well as catalyst life studies. The YanZheng YZuBPR system can also be custom‑designed according to users’ experimental conditions and research objectives, perfectly aligning with the actual application needs of end users.

Micro Fixed Bed

A micro fixed-bed reactor is a laboratory-scale device used to evaluate catalyst performance under controlled conditions. It is typically constructed from high‑temperature and corrosion‑resistant materials and contains one or more small‑scale reaction zones, each packed with a catalyst bed. The design of the microreactor is intended to mimic the operating conditions of large industrial fixed‑bed reactors, enabling researchers to predict how a catalyst will perform in real industrial applications on a smaller scale. Micro fixed‑bed reactors are suitable for a wide range of chemical reactions, including catalytic cracking, hydrogenation, oxidation, and more. They are indispensable tools in catalyst research and development, process optimization, and educational demonstrations. By using micro fixed‑bed reactors, researchers can evaluate a large number of catalyst samples in a shorter time frame and at lower costs, thereby accelerating the development and commercialization of new catalysts.

Electrochemical Fixed Bed

An electrochemical fixed bed is a chemical process device that integrates electrochemical reactions with fixed-bed catalyst technology. In such systems, electrochemical reactions occur on the surface of the fixed-bed catalyst, which is typically packed in the reactor’s bed in granular form. Fixed-bed electrochemical reactors are commonly used in electrocatalytic processes, such as electrolysis, batteries, and fuel cells. Electrochemical fixed beds find wide applications across numerous fields, including water treatment for disinfection and organic pollutant degradation, energy conversion in fuel cells and metal–air batteries, and electrochemical synthesis in organic synthesis. Thanks to their unique advantages, electrochemical fixed beds have become an important area of research and application in modern chemical engineering.

Fixed-Bed Hydrogenation Unit

A fixed-bed hydrogenation unit is an industrial chemical reactor primarily used to alter the chemical structure or properties of feedstock through reactions between hydrogen gas and solid raw materials under high-temperature and high-pressure conditions. Fixed-bed hydrogenation units are widely employed in industries such as petrochemicals, coal chemicals, and fine chemicals, where they are utilized in a variety of reaction processes including cracking, hydrotreating, isomerization, alkylation, and desulfurization. By selecting appropriate catalysts and optimizing operating conditions, reaction efficiency can be enhanced, product quality can be improved, and the formation of byproducts and environmental pollution can be reduced.

Micro Fixed-Bed Reactor

The YZuBPR series from Yanzheng Instruments is a miniature fixed-bed reactor series. This reactor, a product of Yanzheng, is widely used in laboratories to evaluate various catalysts and reaction process conditions under gas–solid phase or trickle-flow conditions, including catalyst screening, compositional screening and optimization of multi‑component catalysts, optimization of reaction conditions and processes, and catalyst life studies. The YZuBPR system from Yanzheng can also be custom‑designed as a reactor system tailored to users’ experimental conditions and research directions, perfectly aligning with the actual application needs of end users.