{"id":16071,"date":"2025-07-02T09:21:04","date_gmt":"2025-07-02T07:21:04","guid":{"rendered":"https:\/\/www.sinaptec.fr\/?page_id=16071"},"modified":"2025-07-02T10:00:00","modified_gmt":"2025-07-02T08:00:00","slug":"high-frequency-sonochemistry-with-sinaptecs-ultrasonic-reactor","status":"publish","type":"page","link":"https:\/\/www.sinaptec.fr\/en\/high-frequency-sonochemistry-with-sinaptecs-ultrasonic-reactor\/","title":{"rendered":"High-Frequency Sonochemistry with SinapTec\u2019s Ultrasonic Reactor"},"content":{"rendered":"
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Have a question about any of the products below? Need a quote or more information? Feel free to contact us using the menu above or the link at the bottom of this page.<\/span><\/p>\n[\/vc_column_text][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column width=”2\/3″][mk_fancy_title font_family=”none”]\n

Introduction<\/h2>\n
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Sonochemistry<\/strong> is a field that uses high-power ultrasound \u2014 specifically cavitation \u2014 to promote and accelerate chemical reactions — with or without catalysts or\u00a0 additional reagents typically used in conventional chemistry.<\/span><\/p>\n[\/vc_column_text][\/vc_column][vc_column width=”1\/3″][vc_video link=”https:\/\/youtu.be\/6ctoIUJqkHQ?si=yK6hxfFDJytSjxad”][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=”.vc_custom_1751442868247{margin-bottom: 0px !important;}”]\n

Ultrasonic frequencies generally range from 12\u202fkHz to several megahertz. However, cavitation does not have the same effect depending on whether low-frequency (F < 100\u202fkHz) or high-frequency (F > 100\u202fkHz) technology is used. Indeed, cavitation generated at low frequency primarily produces mechanical effects, while high-frequency cavitation mainly produces chemical effects.<\/span><\/p>\n

Sonochemistry<\/strong> was first recognized as effective for heterogeneous reactions in the 1920s. By improving mass and heat transfer, ultrasound enabled better access of a reagent to a catalyst thanks to degassing and mixing induced by cavitation. It wasn\u2019t until the 1950s\u20131970s that high-frequency technologies began to emerge, producing promising results for homogeneous reactions.<\/span><\/p>\n[\/vc_column_text][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column width=”2\/3″][mk_fancy_title font_family=”none”]\n

How does sonochemistry work?<\/strong><\/h2>\n
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Cavitation is created when ultrasonic vibrations are strong enough to vaporize a small amount of liquid, forming a vapor bubble.<\/span><\/p>\n

This bubble then undergoes cycles of compression and expansion until it reaches a critical diameter, leading to its implosion:<\/span><\/p>\n

These phases\u2014expansion, compression, and implosion\u2014are the site of numerous reactions either inside the bubble, at its interface, or in the surrounding liquid.<\/span><\/p>\n[\/vc_column_text][mk_divider][\/vc_column][vc_column width=”1\/3″][vc_single_image image=”15842″ img_size=”full” alignment=”center” css=””][vc_video link=”https:\/\/youtu.be\/V_kThtoUyeY?si=sq6JwDKVcXuOyNsn”][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=”.vc_custom_1751442977885{margin-bottom: 0px !important;}”]\n

In the liquid medium, cavitation leads to the formation of hydroxyl radicals, which react with dissolved chemical species, mainly by oxidation.<\/span><\/p>\n

Inside the bubble or at its interface, extreme temperatures (850 to 5200\u202f\u00b0C) and pressures (1 to 1000\u202fbar) trigger pyrolysis reactions.<\/span><\/p>\n

Although these two phenomena occur simultaneously, their respective effects on a molecule depend on whether it is hydrophobic or hydrophilic. Generally speaking, hydrophobic molecules tend to undergo pyrolysis, while hydrophilic molecules are more affected by radical species in the solution. Surfactant molecules may be subjected to both processes.<\/span><\/p>\n[\/vc_column_text][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column][mk_fancy_title font_family=”none”]\n

Our Solutions for Sonochemistry<\/strong><\/h2>\n
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To generate acoustic cavitation, several components are required \u2014 at a minimum:<\/span><\/p>\n

\ud83d\udd39 A linear amplifier<\/strong> to amplify an electrical signal to the desired amplitude;<\/span>
\n\ud83d\udd39A function generator<\/strong> to transform an input signal into an electrical signal at the desired operating frequency;<\/span>
\n\ud83d\udd39A ceramic or group of ceramics<\/strong> to convert the electrical signal into displacement amplitude (cavitation occurs once this amplitude is sufficient).<\/span><\/p>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=”.vc_custom_1751376392039{margin-bottom: 0px !important;}”]\n

Limitations of Linear Amplifiers<\/span><\/span><\/h3>\n[\/vc_column_text][mk_divider divider_width=”one_half”][vc_empty_space][vc_column_text css=”.vc_custom_1751375832602{margin-bottom: 0px !important;}”]\n

Most current high-frequency technologies rely on radiofrequency linear amplifiers. These amplifiers do not include regulation strategies for frequency or power and therefore cannot adapt to the natural acoustic variations that occur over time.<\/span><\/p>\n

As a result, the reproducibility and robustness of results obtained with these technologies remain critical and are not guaranteed.<\/span><\/p>\n[\/vc_column_text][vc_column_text css=”.vc_custom_1751376366620{margin-bottom: 0px !important;}”]\n

Advantages of Our Ultrasonic Systems<\/span><\/span><\/h3>\n[\/vc_column_text][mk_divider divider_width=”one_half”][vc_column_text css=”.vc_custom_1751375902856{margin-bottom: 0px !important;}”]\n

\ud83d\udd39 SinapTec<\/strong> has developed a high-frequency equipment technology that ensures real-time tracking and regulation of both frequency and power.<\/span>
\n\ud83d\udd39 This technology allows for repeatable and consistent results, whether your process is batch-based, in recirculation, or continuous.<\/span>
\n\ud83d\udd39 It also ensures maximum ultrasonic treatment efficiency by consuming only the amount of energy necessary to achieve the desired result.<\/span>
\n\ud83d\udd39 Under the same operating conditions, a technology with frequency control can achieve a 20% higher calorimetric efficiency<\/strong> compared to linear technology.<\/span><\/p>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][mk_fancy_title font_family=”none”]\n

Our Sonochemistry Equipment<\/strong><\/h2>\n
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SinapTec offers a stable range of high-frequency ultrasonic equipment for laboratories.<\/span><\/p>\n

These systems are used in various industrial and academic laboratories in France, Germany, China<\/strong>, and other countries to optimize tomorrow\u2019s chemistry and develop alternatives to conventional chemical engineering processes.<\/span><\/p>\n[\/vc_column_text][vc_row_inner][vc_column_inner width=”1\/2″][vc_empty_space][vc_column_text css=”.vc_custom_1751376017726{margin-bottom: 0px !important;}”]\n

They consist of:<\/span>
\n\ud83d\udd39 An electronic generator<\/strong> that converts mains power into a sinusoidal electrical signal at the ceramic’s operating frequency;<\/span>
\n\ud83d\udd39 A cup-horn<\/strong> that houses piezoelectric ceramics and converts the electrical signal into mechanical vibration;<\/span>
\n\ud83d\udd39 A double-jacketed reactor<\/strong> placed on top of the cup-horn. This reactor maintains the reaction temperature if needed, and its dimensions can vary depending on your requirements.<\/span><\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_empty_space][vc_single_image image=”16067″ img_size=”600×320″ alignment=”center” css=””][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=”.vc_custom_1751443150026{margin-bottom: 0px !important;}”]\n

This setup can be equipped with various accessories such as a lid with input and output ports for temperature monitoring (with or without connection to the generator), inert gas purging, a mechanical stirrer, etc.<\/span><\/p>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][mk_fancy_title font_family=”none”]\n

What about industrial applications?<\/strong><\/h2>\n
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This high-frequency technology can be manufactured and adapted to meet industrial needs.<\/span><\/p>\n

For example, let us tell you about our involvement in the European PROMISCES<\/strong> project.<\/span><\/p>\n

SinapTec contributed to this project by providing a technology to treat PFAS (per- and polyfluoroalkyl substances) from contaminated soil.<\/span><\/p>\n

Our batch tests at laboratory scale successfully destroyed up to 97% of various long- and short-chain PFAS<\/strong> and reduced the toxicity<\/strong> of the ultrasound-treated solution. The final stage of the project led us to design a pilot-scale sonochemical reactor<\/strong> enabling recirculation treatment.<\/span><\/p>\n

Beyond maintaining the performance mentioned above, this equipment also enabled a 60% reduction in energy consumption<\/strong> compared to lab-scale treatment.<\/span><\/p>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][mk_button corner_style=”rounded” size=”medium” url=”https:\/\/www.sinaptec.fr\/en\/contact-us\/” target=”_blank” align=”center” bg_color=”#00aeef”]Contact Us[\/mk_button][\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_row][vc_column][vc_column_text css=”.vc_custom_1751443195403{margin-bottom: 0px !important;}”] Have a question about any of the products below? Need a quote or more information? Feel free to contact us using the menu above or the link at the bottom of this page. [\/vc_column_text][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column width=”2\/3″][mk_fancy_title font_family=”none”] Introduction [\/mk_fancy_title][vc_column_text css=”.vc_custom_1751442810809{margin-bottom: 0px !important;}”] Sonochemistry is a field that uses high-power ultrasound \u2014 specifically […]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-16071","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nHigh-Frequency Sonochemistry with SinapTec\u2019s Ultrasonic Reactor - Sinaptec<\/title>\n<meta name=\"description\" content=\"SinapTec's ultrasonic reactor enables high-frequency sonochemistry: an advanced ultrasound technology to accelerate chemical reactions, reduce energy consumption, and treat pollutants such as PFAS.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sinaptec.fr\/en\/high-frequency-sonochemistry-with-sinaptecs-ultrasonic-reactor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High-Frequency Sonochemistry with SinapTec\u2019s Ultrasonic Reactor - 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