Design cooling crystallization unit to produce 2500 kgh of erucamide with the following specification

Q1/ A distillation tower produce erucamide ( C22H43NO ) in the liquid phase with a temperature of 200 °C  and purity of 96.7 % needs to be purified and crystallize to produce fine powder erucamide



·        
Briefly introduce the crystallization process and how it works


·        
Design cooling crystallization unit to produce 2500 kgh of erucamide with the following specification

Product Specification

Component

Result

Unit

Amide Purity

> 98

%

Moisture

< 1

%

Nitrile

< 1

%

Colour

< 500

Hazen

 

    include the required calculation of designing a cooling crystallization unit (volume, width, thickness and height) and any additional calculations .

     determine the ratio of erucamide and the ideal solvent, such as hexane and do the material balances required.

    design a P&ID for the entire crystallization unit and discuss HAZOP (Hazard Operability Analysis) for most common hazards that are associated with this process.

·        
Does the unit process requires an Anti-corrosion coating and if it does how regular this should be maintained.

·        
How often does the unit requires maintenance.

    Discuss why cooling crystallization unit it is better than other types.

    In determining the volume of the major equipment which would be difficult or expensive to replace we should have a  20%   overdesign capacity to allow for future debottlenecking.

 

 

Note: for Q1 the words must be 2000 word

 

 

 

Q2/ (APR) Environmental protection must be carefully prepared when dealing with the following equipment and materials:

equipment

materials

Splitting unit

rapseed oil

Fractionatiion unit

mix of fatty acids

reactor

ammonia and erucic acid

film evaporator unit

erucic acid and erucamide

crystallization unit

erucamide and hexane

 

In 1000 word write what are the Environmental protection which should be taken in each equipment and materials associated with it.

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