Atmospheric Pressure Electrode Fixed Bed

An electrode fixed-bed reactor is an electrochemical reactor in which electrodes are arranged in a fixed-bed configuration, allowing reactants to undergo electrochemical reactions either at the electrode surface or as they pass through the electrode bed. This type of reactor is commonly used in fields such as electrochemical synthesis, wastewater treatment, fuel cells, and metal refining. Electrodes can take various forms, including mesh, granular, fibrous, or planar, and are typically made from conductive materials such as platinum, carbon, nickel, and others. They may also be coated with a catalyst layer to enhance reaction efficiency. The design of fixed-bed electrodes must ensure adequate spacing between electrodes to facilitate efficient diffusion and transport of gaseous and liquid reactants. In an electrode fixed‑bed reactor, electric current flows through the electrodes, triggering redox reactions. During the reaction, ions or molecules are transported either at the electrode surface or through the electrode bed, thereby enabling the conversion of matter or the transformation of energy. The design and operating parameters of electrode fixed‑bed reactors—such as electrode material, electrode spacing, reactor structure, operating pressure, and temperature—can all significantly influence reaction efficiency and selectivity. The advantages of electrode fixed‑bed reactors include high electrochemical reaction efficiency, superior mass transfer characteristics, and long catalyst lifetimes. However, these reactors also present certain challenges, such as electrode fouling, catalyst loss, and corrosion of electrode materials—issues that require careful design and operational strategies to address effectively.

Integrated Parallel Reactor

Shanghai Yanzheng’s integrated parallel reactor is a multi‑channel reaction system designed with the goal of significantly enhancing laboratory efficiency. It features high‑pressure and high‑temperature resistance, enabling rapid and efficient reaction screening, supporting up to six reaction batches running simultaneously, and operating at pressures as high as 100 bar. The system is dedicated to optimizing high‑pressure reaction conditions and to the efficient development and application of both homogeneous and heterogeneous catalytic systems, with all reaction parameters in each zone independently monitorable and controllable. Optional, highly precise dedicated software allows for quick and efficient screening of high‑pressure reaction conditions, catalyst selection, and reaction studies, greatly boosting process R&D efficiency.

Waste Recycling Device

Strengthen waste recycling and the use of recycled materials; integrate plastic recycling and reuse, including recycled plastics, recycled equipment, and closed-loop solutions.

Flow Chemistry Platform (Chemical Engineering Edition)

The YZFlab series from Yan Zheng Instruments is a line of miniature flow synthesis systems. This reactor system is widely applicable to flow synthesis reactions, offering a continuous flow chemistry platform that can consistently meet your needs with flexibility, precision, and high productivity. It enables comprehensive evaluation of 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 lifetime studies.

High-Pressure Window Reactor

The visible high‑pressure reactor manufactured by Shanghai Yanzheng is compact in size and easy to operate; it features a high‑pressure viewing window on the side, and the reactor can be quickly separated from the heating furnace. The photographic reactor produced by Shanghai Yanzheng, also known as the video‑recording reactor, operates at temperatures up to 200°C and pressures up to 10 MPa. It is equipped with a high‑definition, industrial‑grade camera that continuously records reaction footage, ensuring the personal safety of laboratory personnel while freeing them from strenuous, high‑intensity work and conserving resources. The system comes complete with a computer preloaded with dedicated camera software; the camera’s recorded video is displayed directly on the computer screen, automatically generating video files that are saved on the computer and can be easily exported.

High-Throughput Batch Reactor System

The high‑throughput batch reactor system is primarily used to evaluate and study process operations, explore optimal process parameters, and, through sampling, analysis, evaluation, and data processing, obtain data on product distribution and product properties—providing foundational design data for both laboratory-scale and industrial-scale process development. The entire unit is designed in two main sections: one consists of a four‑reactor, multi‑station parallel reaction setup, comprising four 500 mL reactors and independent feed systems; the other comprises a single 1000 mL electrically liftable reactor equipped with a feed system.

Complete Set of Norbornene Production Equipment

It is primarily used to evaluate and study process operations, explore optimal process parameters, and obtain data on product distribution, product properties, and other relevant metrics through sampling, analysis, evaluation, and data processing—providing foundational design data for pilot-scale and industrial process design. The unit is equipped with three 2L fully jacketed reactors, featuring 316L reactor vessels and 304SS jacket material. A circulating oil bath is employed for temperature control, with the oil bath controller maintaining temperatures up to 300°C. The reactors are designed for a maximum operating pressure of 30 MPa, with a maximum service pressure of 25 MPa; they are rated for a maximum operating temperature of 300°C, though their highest usable temperature is 280°C. The reactors utilize a propeller-type impeller with a maximum agitation speed of 500 rpm. The materials handled are liquids that are free of particulates and not overly viscous.

Pilot-scale DMC Synthesis Unit

The pilot-scale DMC synthesis unit is used to evaluate catalysts, optimize production processes, collect process data, and prepare for scale-up. The main body of the unit is made of 316L stainless steel, with a design pressure of 5 MPa and an operating pressure of 2.2 MPa. The system comprises an inlet gas system, a recirculation compression system, a gas metering and heating system, a visual reactor system, a material separation system, and more. It features multiple equipment operating units, high overall integration, a robust safety interlock system, a high degree of automation, high data accuracy, and excellent repeatability. The primary production parameters include a high gas recirculation rate—approximately 200 Nm³/h—and an operating pressure of 2.2 MPa. The monthly production capacity of the pilot plant is around 1 ton. The overall dimensions of the equipment are 7 meters long, 2.5 meters wide, and 4 meters high, with a total weight of approximately 4 tons.

500L Alcohol-Heated Molecular Sieve Synthesis Reactor Unit

The pilot-scale molecular sieve synthesis unit is primarily used for the hydrothermal synthesis of novel molecular sieves, conducting research on the optimization of process parameters at scale, studying product performance, validating process procedures, and exploring optimal process conditions. After product processing, analysis, evaluation, data handling, and acquisition of data on product distribution and product properties, this information provides the foundational data required for industrial process design.

Ultrasonic Chemical Reactor

The ultrasonic high‑pressure reactor manufactured by Shanghai Yanzheng has passed ISO 9001:2015 and CE certification, meeting the requirements for ultrasonic chemical reactors used in high‑temperature, high‑pressure research applications. The ultrasonic probe is made of high‑quality titanium alloy, offering excellent corrosion resistance and high‑temperature tolerance. A variety of sonication heads are available, with a power output of 750 W and adjustable power ranging from 50% to 100%. Specifically designed for ultrasonic reactions, the device allows precise control of amplitude and frequency, ensuring that it can generate superior cavitation effects at any power setting.