QUCB Crystallization Unit

CRYSTALLIZATION UNIT - QUCB

혁신적인 시스템

The Crystallization Unit, "QUCB", is a unit for the study of the cooling crystallization process.

일반적인 설명보기

일반적인 설명

The Crystallization Unit, "QUCB", is a unit for the study of the cooling crystallization process. EDIBON has developed this unit to study thecrystallization reaction of those constituents whose solubility changes with the temperature.

This unit is devised to perform batch crystallization, that is, the crystallizer is filled once with the solute and solvent until the supersaturatedsolution is obtained and crystals are obtained from that solution.

The "QUCB" unit includes a crystallizer, which is basically a jacketed chemical reactor. There is a bath outside the crystallizer, throughwhich the reaction temperature is controlled. The solution is stirred by a stirrer located at the upper side of the crystallizer. Besides, there isa temperature sensor at the upper side of the crystallizer to know the temperature of the solution inside at any moment.

The unit also includes a conductivity sensor to know the conductivity of the solution when it is required.

To obtain the supersaturated solution, it must be heated so that it is able to dissolve a higher concentration of solute at high temperatures.

There is a thermostatic bath to supply water to the crystallizer's jacket. Its control is done by means of a potentiometer.

Once a supersaturated solution at a high temperature is obtained, the crystallization stage starts. For that purpose introduce cold or roomtemperature water. The unit includes a pressure regulation valve kept to the minimum pressure.

A sample of the collected product is analyzed with the filters set provided with the unit. The size of generated crystals can be obtained thus.

With the additional recommended element Continuous Feed Unit, "QUCB/C", this unit becomes a continuous crystallization unit.

연습 및 가이드

매뉴얼에 포함 된 가이드 실기 연습

  1. Understanding the principles of solution cooling crystallization.
  2. Study of crystal size distribution.
  3. Batch operation.
  4. Obtaining crystals by the cooling method.
  5. Demonstration of the effects of varying the following parameters on the crystallization process:
  • Concentration of solute.
  • Stirring level.
  • Cooling temperature.
  • Solute supply flow ("QUCB/C" unit is required).

장비로 수행 할 수있는 더 많은 실용적 연습

  1. Mass and energy balances.
  2. Evaluation of crystallization efficiency and crystallization kinetics.
  3. Operation in continuous ("QUCB/C" is required).

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