{"id":4017,"date":"2015-04-30T09:56:51","date_gmt":"2015-04-30T09:56:51","guid":{"rendered":"http:\/\/mirror.s-vt.net\/homogenisieren\/"},"modified":"2026-10-26T17:16:56","modified_gmt":"2026-10-26T16:16:56","slug":"homogenisation","status":"publish","type":"page","link":"https:\/\/www.s-vt.net\/en\/homogenisation\/","title":{"rendered":"Homogenisation"},"content":{"rendered":"<section class='page-content' style=''  ><section class='container'><div class='row' style=''><div class='col-md-12 ' style=''><div class='cma-wysiwyg-editor'><p class=\"svt-lead2\">The aim of homogenisation is to give a mixture a structure that is as even as possible. The term often also means evenly mixing components that do not dissolve in each other. In pharmacy, homogenisation ensures that any quantity of a medicine contains the same share of all substances, especially the <a href=\"\/active-substances\/?lang=en\">active ingredients<\/a>.<\/p><div class=\"svt-ptiles\"><div class=\"svt-ptile\"><i class=\"fa fa-bullseye\" aria-hidden=\"true\"><\/i><strong>Finest droplets<\/strong><span>High shear energy for stable emulsions.<\/span><\/div><div class=\"svt-ptile\"><i class=\"fa fa-th-large\" aria-hidden=\"true\"><\/i><strong>No lumps<\/strong><span>Safely mixed, even with solids.<\/span><\/div><div class=\"svt-ptile\"><i class=\"fa fa-sliders\" aria-hidden=\"true\"><\/i><strong>Right equipment<\/strong><span>Homogeniser chosen by raw material and process.<\/span><\/div><\/div><h2>Batch and inline<\/h2><div class=\"svt-kgrid svt-kgrid-2\"><div class=\"svt-kcard\"><i class=\"fa fa-database\" aria-hidden=\"true\"><\/i><h3>Batch process<\/h3><p>To homogenise solids effectively, agitation and mixing usually take place at the same time. This enables effective <a href=\"\/solid-liquid-mixing\/?lang=en\">solid-liquid mixing<\/a>.<\/p><\/div><div class=\"svt-kcard\"><i class=\"fa fa-exchange\" aria-hidden=\"true\"><\/i><h3>Inline process<\/h3><p>Special dosing valves bring the phases together at defined points and pre-wet them before homogenisation.<\/p><\/div><\/div><p>Immiscible liquids are harder to mix because of density differences. Therefore, homogenisation must reduce the size of the liquid droplets.<\/p><h2>Applications<\/h2><p>A well-known example is milk. A high-pressure <a href=\"https:\/\/en.wikipedia.org\/wiki\/Homogenizer\" target=\"_blank\" rel=\"noopener\">homogenizer<\/a> breaks the fat globules down to an even size, so that they spread evenly and the cream does not separate. The process is also important in cosmetics and chemicals, for example for:<\/p><div class=\"svt-sgrid\"><a class=\"svt-scard\" href=\"\/lipstick-compounds\/?lang=en\"><span>Lipstick compounds<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/cosmetic-gels\/?lang=en\"><span>Cosmetic gels<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/pastes\/?lang=en\"><span>Pastes<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><\/div><h2>How droplets break up during homogenisation<\/h2><p>For a droplet to break up, the stresses acting on it must exceed a critical level. In addition, the deformation time must be long enough. Emulsifiers then cover the new droplet surfaces and so prevent <a href=\"https:\/\/en.wikipedia.org\/wiki\/Coalescence_(physics)\" target=\"_blank\" rel=\"noopener\">coalescence<\/a>. The type of energy input in the dispersing zone determines which forces act on the droplets and how strongly. Poorly stabilised droplets merge again when they collide, for example if emulsifiers are missing.<\/p><div class=\"svt-kgrid svt-kgrid-2\"><div class=\"svt-kcard\"><i class=\"fa fa-check-square-o\" aria-hidden=\"true\"><\/i><h3>What influences droplet size<\/h3><ul class=\"svt-klist\"><li>Shear energy (shear rate dv\/ds)<\/li><li>The right emulsifier<\/li><li>Residence time in the rotor-stator teeth<\/li><li>Suitable stabilisers such as thickeners or gelling agents<\/li><\/ul><\/div><div class=\"svt-kcard\"><i class=\"fa fa-exclamation-triangle\" aria-hidden=\"true\"><\/i><h3>What disturbs droplet formation<\/h3><ul class=\"svt-klist\"><li>Cavitation in the shear zone, meaning no defined conditions in the rotor-stator teeth<\/li><li>Residence times in the teeth that are too short<\/li><\/ul><\/div><\/div><h2>Choosing the right homogeniser<\/h2><p>The particular challenge is to mix immiscible liquids, possibly together with solids, without lumps. High shear energies help above all when the finest emulsion droplets are required. Depending on the requirements, the following equipment makes sense:<\/p><ul class=\"svt-checks\"><li>Drawing different phases directly into the rotor-stator zone, for example in the hot-cold process<\/li><li>Diluting ether sulphate in a continuous process<\/li><li>Incorporating powders<\/li><li>Dosed feeding of several liquid phases at the same time<\/li><\/ul><p>The process and the desired degree of automation determine the choice and design of the homogenising system. We design the optimal variant for you, including non-standard solutions. We also advise you on <a href=\"\/used-homogenising-mixers-process-plants\/?lang=en\">used homogenising mixers<\/a>.<\/p><p class=\"svt-knote\">When weighing and dosing liquid raw materials, our innovative <a href=\"\/dosing-station\/?lang=en\">dosing station<\/a> saves a lot of effort.<\/p><h2>Other processes<\/h2><div class=\"svt-sgrid\"><a class=\"svt-scard\" href=\"\/agitation\/?lang=en\"><span>Agitation<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/mixing\/?lang=en\"><span>Mixing<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/dispersion\/?lang=en\"><span>Dispersion<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/solid-liquid-mixing\/?lang=en\"><span>Solid-liquid mixing<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/emulsification\/?lang=en\"><span>Emulsification<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/suspension\/?lang=en\"><span>Suspension<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/agglomeration\/?lang=en\"><span>Agglomeration<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/aeration\/?lang=en\"><span>Aeration<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/deaeration\/?lang=en\"><span>Deaeration<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><\/div><div class=\"svt-pcta svt-pcta-m\"><div class=\"svt-pcta-tx\"><strong>Are you looking for the right homogenising system?<\/strong> We are happy to advise you, from the design to the finished plant.<\/div><div class=\"svt-pcta-btns\"><a class=\"svt-btn svt-btn-primary\" href=\"\/contact\/?lang=en\">Send an enquiry<\/a><a class=\"svt-btn svt-btn-ghost\" href=\"tel:+494203789492\">Call us: +49 4203 789492<\/a><\/div><\/div><h2>Frequently Asked Questions about homogenization<\/h2><h3>What is the goal of homogenization?<\/h3><p>To give a mixture a structure as uniform as possible \u2013 even with components that are not soluble in each other. In pharma, it ensures that every portion of a medication contains the same proportion of active ingredient.<\/p><h3>What influences droplet size?<\/h3><p>Shear energy or shear rate, the right emulsifier, the dwell time of the droplets in the toothing area and suitable stabilizers such as thickeners and gelling agents.<\/p><h3>What disturbs uniform droplet formation?<\/h3><p>Mainly cavitation in the shear zone of the rotor\/stator toothing and too short dwell times in the toothing. Insufficiently stabilized droplets also tend to coalesce.<\/p><h3>Which special equipment is useful for a homogenizer?<\/h3><p>Depending on requirements, e.g. induction of different phases directly into the toothing area (hot-cold), inline dilution of ether sulphate, incorporation of powders or simultaneous dosed feeding of several liquid phases.<\/p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Service\",\"name\":\"Design of homogenizing systems\",\"description\":\"Selection and design of homogenizers and homogenization processes \u2013 batch or inline \u2013 for pharma, cosmetics and chemicals, including special solutions.\",\"url\":\"https:\/\/www.s-vt.net\/homogenisation\/?lang=en\",\"provider\":{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.s-vt.net\/#seefried\",\"name\":\"SEEFRIED Verfahrenstechnik GmbH\",\"url\":\"https:\/\/www.s-vt.net\/\",\"telephone\":\"+49 4203 789492\"},\"areaServed\":\"Worldwide\"},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the goal of homogenization?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"To give a mixture a structure as uniform as possible \u2013 even with components that are not soluble in each other. 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