{"id":4022,"date":"2015-04-30T09:24:33","date_gmt":"2015-04-30T09:24:33","guid":{"rendered":"http:\/\/mirror.s-vt.net\/ruehren\/"},"modified":"2026-10-26T17:04:03","modified_gmt":"2026-10-26T16:04:03","slug":"agitation","status":"publish","type":"page","link":"https:\/\/www.s-vt.net\/en\/agitation\/","title":{"rendered":"Agitation"},"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\">Agitation is a mixing process in liquids using differently shaped agitator tools. The goal is an even distribution of all additives and their physical states, such as temperature, viscosity and density. As a sub-area of <a href=\"\/mixing\/?lang=en\">mixing<\/a>, agitation is one of the basic mechanical processes.<\/p><div class=\"svt-ptiles\"><div class=\"svt-ptile\"><i class=\"fa fa-refresh\" aria-hidden=\"true\"><\/i><strong>Even distribution<\/strong><span>The same structure throughout the vessel.<\/span><\/div><div class=\"svt-ptile\"><i class=\"fa fa-fire\" aria-hidden=\"true\"><\/i><strong>Fast heating and cooling<\/strong><span>Good horizontal and vertical product movement.<\/span><\/div><div class=\"svt-ptile\"><i class=\"fa fa-bolt\" aria-hidden=\"true\"><\/i><strong>Low energy<\/strong><span>The required homogeneity in a short time.<\/span><\/div><\/div><h2>What happens during agitation<\/h2><ul class=\"svt-checks\"><li>Solid particles are stirred up in the liquid<\/li><li>Miscible liquids are <a href=\"\/homogenisation\/?lang=en\">homogenised<\/a><\/li><li>Differences in temperature and concentration even out<\/li><li>Solids dissolve faster and chemical reactions speed up<\/li><li>At the same time, the product can be <a href=\"\/aeration\/?lang=en\">aerated<\/a> or <a href=\"\/deaeration\/?lang=en\">deaerated<\/a> under vacuum<\/li><\/ul><h2>Applications<\/h2><p>Agitation is used in many industries: in <a href=\"\/pharmacy\/?lang=en\">pharmacy<\/a> and <a href=\"\/cosmetics\/?lang=en\">cosmetics<\/a>, in food and biotechnology, and in the <a href=\"\/chemicals\/?lang=en\">chemical industry<\/a>. Especially in cosmetics, its versatility makes it a basic process. Agitation is enough whenever liquids only need to be moved or low shear is sufficient. This is the case, for example, with:<\/p><div class=\"svt-sgrid\"><a class=\"svt-scard\" href=\"\/gel\/?lang=en\"><span>Gels<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/suppositories\/?lang=en\"><span>Suppositories<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><a class=\"svt-scard\" href=\"\/eye-ointments\/?lang=en\"><span>Eye ointments<\/span><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><\/a><\/div><h2>Agitator types and design<\/h2><p>In agitation, the key is to reach the required homogeneity quickly and with little energy. In addition, heat transfer during heating and cooling should be as good as possible. Depending on the task, different <a href=\"https:\/\/en.wikipedia.org\/wiki\/Agitator_(device)\" target=\"_blank\" rel=\"noopener\">agitators<\/a> can be used:<\/p><ul class=\"svt-tags\"><li>Comb paddle agitator<\/li><li>Anchor agitator with baffles<\/li><li>Easy Visco agitator<\/li><li>Dissolver agitator<\/li><li>Propeller agitator<\/li><li>Circulation agitator<\/li><li>Magnetic agitator<\/li><\/ul><p>When choosing, the agitator geometry and drive must be matched exactly to the process. Thanks to many years of experience, we design agitators that work optimally in your process.<\/p><p class=\"svt-knote\">Our <a href=\"\/dosing-station\/?lang=en\">dosing station<\/a> is our latest innovation for efficient weighing and dosing of liquid raw materials.<\/p><h2>Other processes<\/h2><div class=\"svt-sgrid\"><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=\"\/homogenisation\/?lang=en\"><span>Homogenisation<\/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 agitator for your process?<\/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 agitation<\/h2><h3>What is agitation?<\/h3><p>Agitation is a mixing process in liquids using variously shaped agitator tools. The aim is a homogeneous distribution of all additives and uniform temperature, viscosity and density. Agitation is a sub-area of mixing.<\/p><h3>Which types of agitators are there?<\/h3><p>For example comb paddle agitators, anchor agitators with baffles, Easy Visco, dissolver, propeller, rotary and magnetic agitators. The right one depends on product and process.<\/p><h3>When is agitation sufficient?<\/h3><p>Whenever moving the liquid or low shear stress is sufficient \u2013 for example in the production of gels, suppositories or eye ointments.<\/p><h3>What matters when designing an agitator?<\/h3><p>The required homogeneity should be achieved quickly with low energy input and optimal heat transfer during heating and cooling. Agitator geometry and drive must match the process.<\/p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Service\",\"name\":\"Design of agitators\",\"description\":\"Consulting and design of agitators and agitation processes for pharmaceutical, cosmetic, food and chemical production.\",\"url\":\"https:\/\/www.s-vt.net\/agitation\/?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 agitation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Agitation is a mixing process in liquids using variously shaped agitator tools. The aim is a homogeneous distribution of all additives and uniform temperature, viscosity and density. 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