Mix and refine chocolate

URN: IMPSC102
Business Sectors (Suites): Sweet Confectionery
Developed by: Improve
Approved on: 01 Jan 2019

Overview

This standard is about the mixing and refining process in chocolate manufacture. It covers the equipment and refining methods that are used and why. It also covers the importance of these processes and their affect on the final product. This standard is about physically combining two or more constituents to produce a whole. It details the skills required to start up, run and shut down equipment, as well as being able to take action should operating problems occur. It is also about working to product specifications and production schedules. Complying with and understanding health and safety, food safety and organisational requirements are essential features of this standard. This standard is for you if you require a basic knowledge of the initial mixing and refining of chocolate for manufacture.


Performance criteria

You must be able to:

Prepare for mixing and refining

  1. prepare for mixing and refining in accordance with the legal or

    regulatory requirements, the organisational health and safety,

    hygiene and environmental standards and instructions

  2. check product specifications at the right time

  3. set up equipment according to specification

  4. check that material for mixing and refining is available and fit for

    use

  5. check that services meet requirements

  6. start up the plant and check that it is running to specification

  7. take action in response to operating problems

  8. maintain communication in accordance with organisational

    requirements

    Carry out mixing and refining

  9. carry out mixing and refining in accordance with the legal or

    regulatory requirements, the organisational health and safety,

    hygiene and environmental standards and instructions

  10. use equipment and check that it is supplied with materials and

    services

  11. achieve the required output to specification in accordance with

    organisational requirements

  12. check the product is transferred to the next stage in the

    manufacturing operation

  13. take action in response to operating problems within the limits of

    your responsibility

  14. maintain communication in accordance with organisational

    requirements

    Finish mixing and refining

  15. finish mixing and refining in accordance with the legal or

    regulatory requirements, the organisational health and safety,

    hygiene and environmental standards and instructions

  16. check specifications to time shut down

  17. shut down equipment in accordance with organisational

    procedures

  18. deal with items that can be re-cycled or reworked in accordance

    with organisational procedures

  19. dispose of waste in accordance with organisational requirements

  20. make equipment ready for future use after completion of the

    process

  21. maintain communication in accordance with organisational

    requirements

  22. complete all necessary documentation


Knowledge and Understanding

You need to know and understand:

  1. what the legal or regulatory requirements, the organisational

    health and safety, hygiene and environmental standards and

    instructions are and what may happen if they are not followed

    1. the potential food safety risks and control procedures associated

    with chocolate mixing and refining processes

    1. what the main purpose and the main methods of mixing are in

    chocolate manufacturing

    1. what equipment is used to batch or continuously mix chocolate

    ingredients

    1. what materials to use and in what quantity

    2. what the purpose of refining chocolate is and the components and

    operation of five roll and two roll refiners

    1. what the affect of refining is on particle size distribution, the

    texture and the taste of chocolate

    1. what process is involved in refining, including double refining and

    the importance of the plasticity of the chocolate mass to the final

    refiner

    1. why different types of chocolate need to undergo a different

    refining process

    1. what recording, reporting and communication is needed and how

    to carry this out and the reasons why it is important to do so

    1. what action to take when the process specification is not met

    2. how to carry out the necessary pre start checks and why it is

    important to do so

    1. how to follow the start up procedures for mixing and refining and

    why it is important to do so

    1. how to obtain the necessary resources for mixing and refining

    chocolate

    1. common sources of contamination during processing, how to

    avoid these and what might happen if this is not done

    1. how to operate, regulate and shut down the relevant equipment

    2. when it is necessary to seek assistance and how to seek it

    3. different ways to carry out mixing and refining of chocolate

    4. how to deal with items that can be re-cycled or re-worked

    5. how to dispose of waste

    6. how to make equipment ready for future use


Scope/range


Scope Performance


Scope Knowledge


Values


Behaviours


Skills


Glossary


Links To Other NOS


External Links


Version Number

2

Indicative Review Date

01 Jan 2023

Validity

Current

Status

Original

Originating Organisation

Improve

Original URN

impsc102s

Relevant Occupations

Manufacturing Technologies, Plant and Machine Operatives, Process Operatives, Process, Plant and Machine Operatives

SOC Code

8111

Keywords

Food; Manufacture; Mix; Refine; Chocolate; Batch