Tag Archives: dairy

Real Good Cheese and Dairy Information

The website of Dairy Science and Food Technology, an information and consultancy service for the food industry, provides useful and applicable information, calculators and reports which are surely of great use to the dairy processor. 

 Science and technology of milk and dairy products

click the image to access the website

The website was established by Dr Michael Mullan who is CEO of the Dairy Science and Food Technology consultancy.

Originally the site was intended as a project aimed at exploring the use of the Internet as a means of communicating with students. Over the years the site has grown and contributions are now invited from the wider scientific community and industry.

DSFT gets around a million ‘hits’ a year and there are hundreds of links back to the site.

The content of the site is illustrated by the navigation menu which includes topics like Cheese Yield, Food Models, Lactic Bacteriophages, Calculators, Links, Packaging and Labelling, Writing Tools, Thermal Processing, Ice Cream and Probiotics.

The nature of information is illustrated by the screen grab below from the Cheese Quality page.

Cheese yield

click the image to access the website

To me this kind of information on the INTERNET is what we need to access, not the generic marketing type information that abounds. Please share the information you use by commenting on this page. 

Membrane Filters – Free Online Information

Here is a link to another chapter from the Tetra Pak Dairy Processing Handbook, this time on membrane filters in dairy processing.

Tetrapak Dairy Processing Handbook Membrane Filters Dairy Processing Hand Book pdf

from: Tetra Pak
(click image for full story online)

Why not download the chapters that match your activities in food processing. Although these have a focus on dairy there is totally applicable information on heat exchangers, centrifugal separators, membrane separation, homogenizers and rheology.

Heat Excahangers – Free Online Information

In a previous post I said that equipment suppliers often supply useful technological information which is not necessarily tied to their equipment.

If you are looking for technical information on heat exchangers for the food industry here is a good place.

Extract from Tetrapak's Dairy Technology Book on heat exchangers.

click image to access the pdf

This gives you access to an impressive 15 page chapter from the Tetra Pak Dairy Processing Handbook covering uses of heat exchangers, pasteurisation, sterilisation, heat transfer mechanisms, design equations and equipment options.

The complete manual of 440 pages and 600 illustrations costs $80, but there appear to be quite a few free extracts (Tetra Pak has six on its page for the book) online which is in pdf format. Some educational institutions provide the manual free of charge for students.

Why not download the chapters that match your activities in food processing. Although these have a focus on dairy there is totally applicable information on heat exchangers, centrifugal separators, membrane separation, homogenizers and rheology.

Decanter, Separator and Process Line Food Processes

GEA is an enormous processing equipment group that includes previous independent processors such as Westfalia, Wiegand, APV Kestner and Niro from the days when I still worked in processing.

click the image to visit the website

This website is that of the separator, decanter and process line part of their business. It presents a wealth of general information on many beverage and dairy processes with links to their equipment pamphlets. Each process is described in detail with a process flowsheet.

While you might be tempted to dismiss this as a source of information because of it equipment supplier link, I believe the information is general enough and unbiased to be useful.


Dairy Processing Introduction – Free Online Information

If you are looking at starting a new dairy business, this is a really good but simple starting point.

Image by Dave Harcourt is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

Starting with some background and an explanation of shelf life the 8 page pamphlet goes through building, equipment, legislation, cleaning and sanitation, quality assurance, dairy processes, dairy unit operations, suppliers, references and support organisations.

Even if you are a small dairyman, it would be worth reading this just as another view.

Aseptic Filling Machine – Equipment Series

Aseptically packaged milk and juice has probably had the biggest impact of any technology in the beverages industry in the last 50 years.

One of the packaging machines of the Tetrapak, the company that started the trend by fabricating an aseptic machine, is pictured below.


Tetra Pak - Tetra Pak A3_Flex.jpg

from: TetraPak
(click image for full story online)


This page actually contains an interactive diagram of the filler where you are able to look at key aspects of the machine and its design.

A nice way to view these multi million dollar machines!


Liquid Dairy Products (LDPs) – Markets in Developing World

The graph below shows the world sales of LDPs until 2008 and projections for consumption until 2012, that were made in mid 2009 by Tetra Pak. This information is contained in Issue 1 of the Tetra Pak Dairy Index – A biannual news and information source about the dairy industry.



from: Tetra Pak
(click image for full story online)


Interesting as well as the growth in total consumption, is the apparent growth in powder and ambient ready to drink milk (RTD) or essentially long-life packaged milks. The report states that:

India has 300 million head of dairy cattle — roughly 1/5 of the world’s total bovine population. However, most of these cows belong to farmers in small villages, whose entire herd comprises two to three animals
Every day: 70 million farmers milk 105 million cows in 50,000 villages and the national milk grid transports the milk (an average of 1-2 litres per farmer) to more than 700,000 cities in India

This is a real tribute to a milk collection and distribution system, that is co-operative based and has its origins some 40 years ago.


Farmer Invests $15 Million in Dairy Equipment

Here is a really inspiring story of a small producer investing in a state of the art technology and getting support from the Industry – it should give us all the faith to tackle what seems out of reach.


Food Stuff SA brings you news on the latest Food Trends - Homsek delivers the dairy difference.jpg

from: FoodStuffSA.co.za
(click image for full story online)


Basically Anton Homsec has built a dairy farm over the last eight years that now produces 20 000l and buys in 80 000 litres per day to feed his dairy that includes his latest investment in a state of the art aseptic bottle packaging plant.

The growth is based on a 2001 contract Anton secured from Woolworths, South Africa’s high end food retailer. The contract was based on a herd of Ayrshire cows that are raised and maintained without the use of any hormones. The successful marketing of this product put Homsec in the position to be able to invest R150-million in a totally new aseptic milk format for the South African market, an HDPE bottle.

Woolworths agreed to change to a bottle based system because

The international long-life milk trend is definitely in favour of plastic. The layered bottle is ideally suited to optimal UV protection, it’s recyclable, there are many decoration options and the bottles can be any shape or design. They’re also easy to open, reclose and handle; and also relatively inexpensive to produce.

The story details the suppliers of equipment and bottles and how they supported Homsec in the installation and commissioning of the plant in a farm area 20 km north of Bloemfontein.