Evaporation, Crystallisation, Distillation

Evaporation, Crystallisation, Distillation

Introduction

We are pleased about the interest you are showing in our company.

GEA Wiegand designs, manufactures and supplies plants for the chemical and pharmaceutical industries, the food industry and for environmental applications.

First familiarize yourself with us and take a look at the History of our Company and at Facts and Figures.

Find out about our activities in Research and Development, our Manufacturing Workshop and what we think about Quality.

Our representative offices located in many countries all over the world will be pleased to help you, and, with more than 3000 plants supplied worldwide, we can certainly show you one of our reference plants in your country as well.

Be informed that we are closely working with our sister companies Niro France, Niro Inc. GEA Process Engineering SAS and GEA Messo under the motto "United for Technology" in the Strategic Business Unit GEA Evaporation and Crystallisation Technologies,in order to jointly concentrate the competences in evaporation technology and to offer extended system solutions to the market

Our product divisions steam jet vacuum pumps und gas scrubber have been transferred to the company GEA Jet Pumps GmbH in 1999.

To supplement our range of products we will offer membrane plants in close cooperation with GEA Filtration/USA based on their technology and references as from October 2002.

Industries we serve 

Reasons for the concentration of liquids in GEA Wiegand evaporation plants

In thermal separation technology, GEA Wiegand evaporation plants are used for the concentration of liquids in the form of solutions, suspensions and emulsions.

Concentration is part of the production process.

Example: sugar.
The solution containing sugar has to be concentrated in an evaporation plant before crystallization.
Sugar cannot be crystallized from thin sugar solution.

The product quality will be improved.

Example: apple juice.
The quality of apple juice is improved if the apple juice concentrate and the aroma concentrate out of an evaporation plant are stored separately and are remixed and rediluted as required.

Example: rectification of alcohol.
A large number of volatile impurities (up to 500) can be specifically separated by rectification. In this way high-purity drinking alcohol is produced.

Production costs will be decreased.

Example: production of pectin.
If pectin is precipitated from a concentrated pectin solution, a lower quantity of precipitating agent is required than for the concentration of pectin from thin solution.

Products will be recovered.

Example: silver.
Silver can be recovered from photographic effluents by means of concentration in an evaporation plant.

Storage and transport costs will be reduced.

Example: starch effluent.
The sto rage of concentrated product requires considerably less storage space than the storage of thin solution.
When liquid products for the food industry are transported, it is often cheaper and easier to remove the water in an evaporation plant and to add it at the place of destination.

Waste disposal costs will be reduced.

Example: industrial effluent
By concentrating effluents in an evaporation plant the amount of waste is reduced. Concentrated effluents can be used as energy carriers and pure water can be retained as valuable material.

Example: recovery of solvents
Stripping and distillation does not only separate substances polluting water, but renders the solution clean to such an extent that it can be reconveyed to the production process.

Disposal and dumping costs will be reduced by means of crystallization.

Example: industrial waste water containing salt.
The industrial waste water produced can be compressed to such an extent that the salt contained in the waste water can be easily crystallized and separated, i.e. the dumping costs are only limited to the relatively small quantities of salt. The water evaporated can be reused as process water.

Valuable substances are separated from a solution by means of crystallization.

Example: pharmaceutical industry
Pharmaceutical substances can be separated from an aqueous synthetic solution by means of crystallization.

Many of the world's leading manufacturers are GEA Wiegand customers because our plants are designed to the strictest safety and highest performance standards. GEA Wiegand offers technology to the manufacturers of many chemical, dairy, food, and pharmaceutical products by supplying individual plants or engineering of complete processing lines.

For more information ,please visit www.gea-wiegand.com