Hielscher Ultrasonics is known worldwide as top supplier of innovative ultrasonic devices, from lab homogenisers to industrial processing reactors. Typical applications include mixing and homogenising, grinding, dispersing and emulsifying, extraction, lysis and disintegration and sonochemistry.
Covering this wide range of applications, Hielscher’s ultrasonic devices are successfully used in almost every liquid processing industry: the dispersing and wet milling of particles in the ink, paint and coating sector; the processing of nanomaterials, i.e. to precipitate or functionalise nano-size particles; ultrasonic mixing for biodiesel production; sonochemistry and sonocatalysis to improve chemical reactions; lysis, fermentation and digestion for biological applications; homogenising, extracting and pasteurisation for food processing; or ultrasonic cleaning for endless materials, such as wire, cable, rods, tapes or tubes.
Ultrasonic devices made by Hielscher are used for lab samples, pilot-scale processing, process optimisation and full-scale production. This includes ultrasonic devices for the ultrasonication of any liquid volume, from several microlitres through hundreds of cubic metres per hour.
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Ultrasonic cleaning is an environmentally friendly alternative for the cleaning of continuous materials, such as wire and cable, tape or tubes.
The formulation of new cosmetic products involves many processing challenges, such as the disintegration of cells and solids or the dispersion and dissolving of powders into liquids. For such processes, as well as for the production of stable emulsions, degassing, homogenising and liposome preparation, Hielscher offers a range of ultrasonic mixing equipment for use in both laboratory research and industrial production.
Technical article: ultrasonic homogenising and blending — reducing small particles in a liquid download
Ultrasonic homogenising is a mechanical process designed to reduce small particles in a liquid so that they become uniformly small and evenly distributed. According to Hielscher, ultrasonic homogenising is said to be very efficient for the reduction of soft and hard particles. The homogenisation is based on cavitation. When liquids are exposed to intense ultrasonication, sound waves propagate through the liquid causing alternating high-pressure and low-pressure cycles.
The disintegration of cell structures (lysis) by means of ultrasound is used for the extraction of intra-cellular compounds of the microbial inactivation. Under intense sonication enzymes or proteins can be released from cells or subcellular organelles as a result of cell disintegration. In this case, the compound to be dissolved into a solvent is enclosed in an insoluble structure. In order to extract it, the cell membrane must be destructed. This technical article from Hielscher provides ...
Ultrasonication is an efficient means for the wet milling and micro-grinding of particles. Besides dispersing and de-agglomerating, the wet milling is an important application of Hielscher ultrasonic devices. Particularly for the manufacturing of superfine-size slurries, ultrasound has many advantages when compared with common size-reduction equipment such as colloid mills, disc mills, jet mills, rotor-stator mixers or high-pressure homogenisers.
This supplier is active in the following categories
- Measurement, quality control and test
- Plant equipment
- Production and automation
- Finishing and pre-treatment
- Mixing and blending
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