Freeze Granulation produce flowable and crushable (soft) granules suitable for die pressing applications. Spray drying yield flowable, but hard granules which are difficult to cruch during die pressing. Please contact us for more information and a test-granulation of your powder system.
Category: News
LED phosphor processing
Homogeneous LED phosphor materials Freeze Granulation offers a unique technology for to make homogeneous LED phosphor materials resulting in improved photoluminescence properties and thus, Freeze Granulation will give you high power LEDs with superior final properties. Most LEDs that are emitting a soft white light have been covered by a yellowish phosphor coating or plate… Continue reading LED phosphor processing
Homogeneity preservation from suspension to dry granule
If you are looking for optimal homogeneity in your granulated material, then you should evaluate our unique granulation technology – Freeze Granulation! Today, Freeze Granulation is the only granulation technology that will preserve the homogeneity from suspension to dry granule, which is crucial for good results in most processes. Spray cooling or rather called spray freezing… Continue reading Homogeneity preservation from suspension to dry granule
Spray-freezing and freeze drying
Spray-freezing and freeze drying – Freeze Granulation PowderPro AB develop, manufacture, market and sell equipment and know-how for Freeze Granulation, spray freezing and subsequent freeze drying (lyophilization or cryodesiccation). Freeze Granulation was developed in late 1980s at Swedish Ceramic Institute in Göteborg and it is also a development of Spray Freeze Drying (SFD) and Spray Freezing into Liquid (SFL). Spray cooling or rather called spray freezing is… Continue reading Spray-freezing and freeze drying
Chemical-Looping Combustion (CLC)
Freeze Granulation of Chemical-Looping Combustion (CLC) system Environmental and energy engineering (Greenhouse Gas Control Technologies): Oxygen-carrier particles for chemical-looping combustion (CLC) have been manufactured by freeze granulation for improved environmental combustion of coal and fuel gases (syngas). Freeze granulation ensures homogenous distribution of the porosity and of the active material in the particles (ex NiO) and, hence,… Continue reading Chemical-Looping Combustion (CLC)
Diamond powder processing
Freeze Granulation is today being used by market leaders in manufacturing of diamond tools like diamond wheels using PCD – Polycrystalline Diamonds. Homogeneous distribution of the active component, diamond particles, in diamond wheels is very important for the cutting performance and tool life. By using Freeze Granulation you will bring your slurry, with diamonds, in… Continue reading Diamond powder processing
Zeolite granulation
Freeze Granulation of zeolite materials offers the possibility to produce very soft, spherical granules which show an excellent flowability. The granules can be compressed to compacts of high homogeneity and they are completely redispersable. Freeze Granulation is a granulation technique which combines the advantages of spray drying and freeze drying. Hard granules and agglomerates are prevented by this technique excluding capillary forces during… Continue reading Zeolite granulation
Freeze Granulation of ceramic powders
Freeze Granulation offers the possibility to produce very soft, spherical granules which show an excellent flowability. The granules can be compressed to compacts of high homogeneity and they are completely redispersable. Freeze Granulation is a granulation technique which combines the advantages of spray drying and freeze drying. Hard granules are prevented by this technique excluding… Continue reading Freeze Granulation of ceramic powders
Applications for Freeze Granulation
Typical applications for Freeze Granulation are homogeneous granulation and drying of engineering (advanced, fine, high-performance) ceramic powders; oxides (alumina (Al2O3), zirconia (ZrO2), silica (SiO2)), nitrides (silicon nitride (Si3N4)) and carbides (SiC) and also granulation of powders of metal oxides, plasma spraying, nanomaterials (nanopowders), diamonds (PCD/CBN inserts), LED Lighting, pyrotechnicals (igniters, delay elements) and drying of pharmaceuticals and drugs, and for drying… Continue reading Applications for Freeze Granulation
Pressing of powders
Pressing is the dominating shaping technique for ceramics and powder metals. Submicron and/or composite powders require adequate preparation to achieve a pressing performance that ensures dense compaction into a homogeneous state. Conventional powder granulation methods (spray drying, sieve granulation etc) show drawbacks. Migration phenomena cause inhomogeneities and hard granules that do not disintegrate properly during… Continue reading Pressing of powders