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Armfield CEM-MKII - User Manual

Armfield CEM-MKII
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Continuous Stirred Tank Reactor
Instruction Manual
CEM-MKII
ISSUE 20
September 2013
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Summary

Use with CEX Service Unit

Compatibility with CEXC Service Unit

Describes the use of the CEM-MKII Reactor in conjunction with the CEXC Computer Controlled Service Unit.

General Overview of the CEM-MKII Reactor

Introduction to the Continuous Stirred Tank Reactor

Provides information for operating the equipment with the CEXC Computer Controlled Chemical Reactor Service Unit.

Equipment Diagrams

Reactor Unit Component Illustration

Illustrates the components of the Continuous Stirred Tank Reactor unit.

Important Safety Information

Introduction to Safety Guidelines

General guidelines and responsibility for safe operation and maintenance of the reactor.

Water Borne Hazards and Precautions

Addresses risks associated with micro-organisms in water and necessary precautions.

Electrical Safety Procedures

Hot Surfaces and Liquids Safety

Chemical Safety Guidelines

Description of the Reactor System

Reactor Unit Overview

Describes the reactor vessel, coil, stirrer, baffle, and sensor glands.

Flow of Materials in the Reactor

Explains how reagents are pumped into the reactor and how the level is controlled.

Installation Procedure

Installing the PC Software

Guides on installing and running the CEM software on a PC for operation.

Installing the Equipment onto CEXC

Details mounting the CEM-MKII reactor onto the CEXC service unit.

Connecting the Hot Water Circulator

Connecting to Electricity Supply

Connecting to a PC for Control and Data Logging

Operation of the CEM-MKII Reactor

Operating the PC Software Interface

Details how to access software help and operate the control interface.

Switching on and Filling the Equipment

Instructions for switching on the unit and filling the feed bottles.

Filling the Feed Bottles Procedure

Procedure for filling the feed bottles with reagent solutions.

Operating the Hot Water Circulator

Guidance on filling and operating the hot water circulator for temperature control.

Data Logger and Software Operation

Mimic Diagram and Software Controls

Controlling the Hot Water Circulator (HWC)

Operating the CEM MKII Modes

Equipment Specifications

Overall Dimensions of the Reactor

Provides detailed measurements for the reactor vessel diameter, depth, and volume.

Environmental Conditions for Operation

Specifies the recommended ambient conditions for safe and optimal operation.

Routine Maintenance Schedule

General Maintenance Tasks

Covers general cleaning and disconnection procedures when the equipment is not in use.

RCD Test Procedure

Procedure for monthly testing of the Residual Current Device for safety.

Temperature Sensor Calibration

Instructions for calibrating temperature sensors T1, T2, and T3.

Conductivity Sensor Calibration

Details the calibration process for the conductivity sensor.

Laboratory Teaching Exercises

Index to Teaching Exercises

Lists the available teaching exercises with their titles.

Nomenclature and Symbols

Defines symbols and their units used in the experiments.

Common Theory for Experiments

Dilution of Ethyl Acetate

Dilution of Sodium Hydroxide

Exercise A: Reaction Rate Constant

Exercise A Theory

Explains the saponification reaction and its kinetics for Exercise A.

Exercise A Method

Step-by-step procedure for conducting the reaction rate constant experiment.

Exercise A: Interpretation of Results

Calculating the Specific Rate Constant (k)

Exercise A: Treatment Results

Plotting Rate Constant vs Temperature

Exercise B: Effect of Mixing

Exercise B Theory

Explains reaction rate dependence on particle contact and mixing efficiency.

Exercise B Method

Details repeating Exercise A with baffles removed and no stirring.

Exercise C: Residence Time Determination

Exercise C Theory

Explains the step input change method for calculating average residence time.

Exercise C Method

Step-by-step procedure for conducting the residence time experiment using KCL tracer.

Calculating Normalised Concentration

Plotting for Residence Time Calculation

Calculating Experimental Residence Time

Contact Details for Further Information

Armfield CEM-MKII Specifications

General IconGeneral
BrandArmfield
ModelCEM-MKII
CategoryLaboratory Equipment
LanguageEnglish

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