Alcohols with several OH-groups are used for polymerization. Apart from natural alcohols, such as for example glycerin, alcohols are produced by fermentation of basic substances containing starch or sugar.
Short-chained alcohols such as methanol and ethanol are concentrated by way of distillation. Longer-chained alcohols with lower steam volatility can be concentrated in falling-film evaporation plants. The separators are often equipped with scrubbing columns in order to minimize product losses via the steam phase.
The mostly concentrated alcohols in distillation plants are methanol, and ethanol. 2-propanole and n-butanol are concentrated in evaporation plants.
Products & Technologies
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Centrifugal Separator
GEA separators are designed for liquid-based applications. Using centrifugal force, they are used for separating suspensions consisting of two or more phases of different densities, i.e. they can be used for liquid-liquid separation, for liquid-liquid-solid separation or for liquid-solid separation. They are equally as effective at separating liq...
Decanter Centrifuge
The decanter’s hour has come as soon as the solids content in the suspension to be processed is particularly high. These machines provide the benefits of high clarifying efficiency and maximum dewatering as well as the separation of liquids with the simultaneous removal of solids. The main requirements in this respect include a high bowl speed, a...
Distillation Test Facilities at Karlsruhe R&D Center
Our distillation test center offers a comprehensive range of equipment, expertise and support for designing, testing and optimizing distillation, rectification and solvent recovery processes across the chemical, pharmaceutical, environmental, food and bio-based industries. Whether you are developing a new process, improving an existing operation ...
Ejector Systems
Ejectors, are devices for the conveyance, compression or mixing of gases, vapors, liquids or solids in which a gaseous or liquid medium serves as the motive force. They are "pumps without moving parts".
Other applications
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GEA Insights
The breakthrough that changed spray drying
In 1976, NIRO engineers responded to a competitive challenge by rethinking what spray drying could do. Their idea became the multi-stage dryer MSD. Fifty years later, the same fundamental principle helps turn liquids into the powders used in essential nutrition products and important medicines around the world. Refined through decades of engineering expertise, customer insight and continuous development, MSD is a story of innovation with lasting impact.
Beyond the machine: unlocking better plant performance
An efficient machine does not automatically make an efficient factory. Real improvement often starts by looking beyond individual equipment and understanding how processes, energy systems and operating decisions affect one another. It’s a holistic approach designed to uncover opportunities that might otherwise be missed.
How a valve reshapes the way food and drinks are made
In food and beverage plants, valves are commonly operated using compressed air. GEA Hydract® Actuation Technology moves valves with water instead, in a closed, digitally controlled circuit. The result is a valve that can be held exactly in place and steered in fine-tuned steps. This results in lower energy use and greater control.
