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Savings Through Reducing Pasteurisation Temperature

This is a video published by Tetra Pak, that describes research they undertook to establish whether the standard fruit juice pasteurisation conditions could be reduced to save energy while still guaranteeing shelflife and avoiding product “damage”.

They found that, for orange juice, the second pasteurisation could be reduced from 95C for 15 [...]

Should Sun Drying be Rejected as a Food Unit Operation

Papers describing food drying techniques normally list the obvious contamination risks of drying in the open air as a major disadvantage and and based on this dismiss its application. However, the large volumes of food that are sun dried every year and the savings in energy and capital bely this quickly reached conclusion.

Searching the [...]

New Milk Processing Technology For Rural Small Scale Farmers

Small scale farmers in rural areas with a a few cows can easily produce more milk than their family consumes, opening the opportunity to earn income by selling milk. However climate, lack of reliable energy and long distances make this an unreliable business. Introducing standard fresh milk handling technology does not work because of the [...]

Tetrapak Juice Pasteurisation – Never too Experienced to Learn

I was amazed to find this technical note on Tetrapak’s website.

click the image to open the note

Since I first heard of Tetrapak in the 1970s I always saw them as highly technology and science focused and the leaders in liquid food processing. I and many others [...]

Tired of “One Third of All Food Produced is Lost or Wasted”

Its true that “One Third of All Food Produced is Lost or Wasted” but it does get a bit boring when we hear it over and over along with a means of reducing it which is simple and obvious. This is made worse by the fact that these means of reducing loss are often [...]

A Comprehensive Solar Drying Manual – Free Online Information

I happened onto this manual just now and it got me to thinking about solar drying again.

click the image to download the manual

The document was prepared as a training manual for a Zimbabwian project funded by the Austrian Embassy titled Establishment of a production, sales and consulting infrastructure for solar thermal [...]

Cane Sugar Processing – Process Description

If you are like me you enjoy getting a simple understanding of a food process/technology, even if you are never likely to use it!

from: EFWE (click image for full story online)

This is the case with this masters thesis, which presents a nice simple (two different levels of detail) explanation of the sugar [...]

Canned Food – Growing Consumption

What at first glimpse seems to be a rather crude processing technology that produces mass market foods, is growing in the UK and seems to be attracting attention.

click the image to visit the website

At first glimpse it also appears to be an energy intensive process, but it needs to be [...]

Some Good Data on Sun and Solar Drying

I have always been a promoter of sun and solar drying, because they allow people to convert perishable fruit, often available at low or no cost during the season, into a stable product that can be stored until the next season at almost no or low cost.

This article provides some good information on [...]

Enviromental Success Stories

This document is really well worth the read.

click the image to visit the website

Two things that are interesting about the examples discussed are:

1) They mainly reduce the factories impact on the environment by saving water, energy or reducing emissions which are often product, raw material or byproduct. So the fixed production [...]