QRCB 用于蔗糖水解的固定床催化反应器

CATALYTIC REACTORS - QRCB

創新系統

The Fixed-Bed Catalytic Reactors for Sucrose Hydrolysis, "QRCB", designed by EDIBON, enables in-depth study of catalytic processes in the liquid phase through a fixed-bed reactor system, where the continuous hydrolysis of sucrose is performed using a solid catalyst immobilized inside the reactor.

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一般說明

Sucrose hydrolysis is a reversible reaction widely used at the industrial level to produce glucose and fructose. This process benefits greatly from catalysis, both chemical and enzymatic, and is a representative example of using fixed-bed reactors in continuous processes.

The Fixed-Bed Catalytic Reactors for Sucrose Hydrolysis, "QRCB", designed by EDIBON, enable practical, controlled study of the hydrolysis reaction under industrial-like conditions. The design of the Fixed-Bed Catalytic Reactors for Sucrose Hydrolysis, "QRCB", facilitates the analysis of different types of catalysis (chemical and enzymatic) and the impact of operational variables such as temperature, flow rate, and catalyst particle size.

The unit includes three fixed-bed reactors: two dedicated to chemical catalysis, using the same catalyst (ion-exchange resins) with different particle sizes, and a third reactor for enzymatic catalysis, utilizing an immobilized enzyme to carry out sucrose hydrolysis.

The reaction occurs at controlled temperatures between 50 °C and 60 °C, maintained by a hot-water recirculation system through which hot water will flow. The water temperature is controlled through the potentiometer of the thermostatic bath.

Sucrose solution feeding is performed with a variable-speed peristaltic pump which allows the regulation of speed by using a potentiometer. The resulting solution is collected in a final-product flask and can be analyzed with a spectrophotometer.

Optionally, the Flow Injection Analysis (FIA) Unit, "QRCB-IF" can be included, allowing continuous measurement of the reaction conversion degree.

配饰

練習和指導練習

手册中包含的指导实践练习

  1. Study of the principles of catalytic fixed-bed reactors.
  2. Effect of the variation in the particle´s size in the effectiveness of a fixed-bed reactor.
  3. Comparison of chemical and biological (enzymic) catalysis.
  4. Checking the influence on different variables (feed flow, temperature of reaction, reagents concentration) on the obtained final product.
  5. Spectrophotometer calibration.
  6. Using the spectrophotometer and product analysis.
  7. Study of the "FIA" Flow Injection Analysis technique and principles (with QRCB-IF optional accessory).
  8. Examination of the reproducibility and sensitivity of the "FIA" analysis method as a function of the flow rate and sample concentration (with QRCB-IF optional accessory).

与该单位进行更多实际操作

  1. Studies of steady and unsteady state catalysis.
  2. Flow characterisation in a fixed-bed.
  3. Mass balances.
  4. Determination of steady state and unsteady state kinetics of a catalytic fixed-bed reactor.
  5. Several other exercises can be done and designed by the user.

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