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The suppliers of equipment to the food industry are a source of information that should not be overlooked.
In this case I have taken a screenshot from the webpage of GEA Niro which presents one of their spray dryers in some detail. This type of information, along with much other on their website, is very useful for the food processor wanting to understand processes and equipment.
What is important though, is to understand that when using this type of information, you are looking at the information of a supplier who is actually on line to sell their equipment.
However, they are industry leaders so you can be sure that their information is representative of the industry. I will be trying to add this kind of link for different companies periodically.
Although Niro is originally a spray dryer manufacturer, there is a range of information on spray drying, freeze drying, extraction, evaporation, freeze concentration and membrane filtration on the website.
This Technical Bulletin from Practical Action gives details on drying, milling and packaging chillies.
The bulletin gives information on both solar drying which works well in dry weather and other dryers than can be used when the humidity is higher.
The article can be viewed in text format online and can be downloaded as a pdf document with pictures. To download one needs to register, but their is no charge.
The article includes the contact details of two dryer suppliers, but they are both in India. This is an issue I think we could try and address - the supply of up to date and more comprehensive lists of suppliers.
