From Practical Batch Process Management

5.1 Introduction

Every batch plant has recipes for the products it produces. Every product recipe consists of a header, equipment requirements, formula and procedures. For example, let us consider a recipe of a cake mix. The recipe header identifies the product as, say chocolate cake. The equipment requirements identify the required processing equipment for making the cake. For the cake mix, the equipment requirements are detailed on the pack, say a large bowl, a mixer, a cake pan, etc. The formula defines the ingredients, such as 1 pack of chocolate cake mix, 2 eggs, 150 ml water, 50 ml edible oil, etc. The procedure defines the processing actions and sequence of execution. For making chocolate cake, first pre-heat the oven to 350 C, mix eggs with water and oil, add cake mix and blend until smooth, pour into cake pan and bake in oven for 45 min.

Every product produced in a batch plant has a recipe consisting of similar components. For some products, these components may not be obvious, but they do exist. For example, a recipe may be on a piece of paper that the operator uses to produce the batch. The recipe header and formula are defined on the paper. The equipment requirements and procedure is implied, e.g. blend all ingredients together in a blender. In a more automated process that has a control system, the formula values and procedure may be fixed in that control system. In some plants, the products to be produced have the...

Products & Services
Dewatering Equipment
Dewatering equipment uses force, including vacuum and centrifugal motion, to separate water from solids.
Vacuum Ovens
Vacuum ovens are heat-treating ovens that use a low atmospheric pressure instead of a protective gas atmosphere. This helps to alleviate surface reactions. 
Filtration Equipment
Filtration equipment is used to filter, thicken or clarify a mixture of different elements.
Formulation, Blending, and Compounding Services
Formulation, blending and compounding services perform custom or contractual processing, development, and/or packaging of bulk materials such as plastics, elastomers, adhesives, chemicals, pharmaceuticals, and lubricants.
Baghouses and Baghouse Filters
Baghouses, also called fabric dust collectors or fabric filters, are air pollution control devices designed to use fabric filter tubes, envelopes, or cartridges to capture or separate dust and other particulate matter (PM).

Topics of Interest

6.1 Introduction One of the main objectives of batch process automation is to manufacture a batch in optimum (minimum) time and to maximize the capacity utilization of the batch manufacturing...

This quick, one-time registration gives you access to members-only site benefits. To understand why batch manufacturers increasingly embrace open control standards, consider how to make a cake. The...

Overview The top-level S88 Design Pattern is the separation of product definition information from production equipment capability. This separation allows the same equipment to be used in different...

Overview While the ISA 88 standard defines four types of recipes, only two master and control recipes (see Figure 4-1) are important for the S88 and NS88 design patterns. Master and control recipes...

Chapter List Chapter 18: Case Study: Threading a Video Codec Chapter 19: Designing for Performance Chapter 20: Putting It Together: Basic Optimizations Chapter 21: Putting It Together: The Last...