University of Southern Denmark

<p><strong>Overview:</strong></p>
<p>The University of Southern Denmark welcomed the first students onto the campus in Odense in September 1966, and things have been developing by leaps and bounds ever since. SDU now have five faculties with more than 32,000 students, almost 20% of whom are from abroad, and more than 4,000 employees distributed across our main campus in Odense and regional campuses in Slagelse, Kolding, Esbjerg and Sønderborg.</p>
<p>SDU conducts world-class research and are one of the top fifty young universities in the world. Every day more than 2,000 researchers and 32,000 students build on the university’s reputation as a centre of academic excellence.</p>
<p><strong>Research:</strong></p>
<p>The University of Southern Denmark consists of five faculties:</p>
<ul>
<li>Faculty of Engineering</li>
<li>Faculty of Health Sciences</li>
<li>Faculty of Science</li>
<li>Faculty of Business and Social Sciences</li>
<li>Faculty of Humanities</li>
</ul>
<p>Every faculty consists of several departments, where the departments have a noticeable academic and economic independence and responsibility. Together departments and centres cover a wide range of research fields and educational opportunities.</p>
<p><strong>Industry Partnerships:</strong></p>
<p>SDU works purposefully to create dialogue between the university’s researchers and the surrounding society. To promote and make communication and knowledge exchange visible, faculties cooperate with various external parties. These activities are organised in centres. The centres serve to promote special purposes in research, education or knowledge exchange.</p>
<p>SDU RIO (SDU Research &amp; Innovation Organisation) supports collaboration between research, education, the business community and the public sector.</p>


<h1 id="background">Background</h1>
<p>Natural organic matter (NOM) in water has a strong negative effect on crystallization of calcium phosphates through inhibition of nucleation and crystal grows, complexation with calcium, and adsorption on the active centres of the crystals.</p>
<h1 id="technology-overview">Technology Overview</h1>
<p>OxyCrysP™ is potentially the first process on the market that allows phosphate recovery as high value calcium phosphates (CaP), thus expanding the market for recovered phosphate outside the current use as low solubility fertilizers.</p>
<ul>
<li>Expected end product: A phosphate (P) recovery system integrated in treatment of industrial process water and in wastewater treatment plants.</li>
<li>Expected end user value: Removal of phosphorous from water sources and recovery as high value CaP compounds.</li>
</ul>
<p>The OxyCrysP™ process (<img src="https://s3-eu-west-1.amazonaws.com/assets.in-part.com/figures/zISrEFTTcWrd1i6LxYRU_oxycrysp1.png" alt="Figure 1" />) recovers Dicalcium Phosphate Dehydrate (DCPD) or Hydroxyapatite (HAp) from wastewater and industrial process water streams. The process comprises of the following steps:</p>
<ol>
<li>Oxidizing organic matter in the water stream with cheap ozone (O<sub>3</sub>) or hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>)</li>
<li>Crystallizing calcium phosphate from the oxidized solution at the fixed Ca/P ratio and pH from 5.5. to 8.5.</li>
<li>Separation of the solid product and the wastewater.</li>
</ol>
<h1 id="benefits">Benefits</h1>
<ul>
<li>Up to 90% P-recovery</li>
<li>Production of high purity DCPD and/or HAp</li>
</ul>
<h1 id="applications">Applications</h1>
<ul>
<li>Treatment of industrial process water</li>
<li>Wastewater treatment plants</li>
</ul>
<h1 id="opportunity">Opportunity</h1>
<p>Technology is ready for scale-up, and SDU are therefore seeking collaborators and partners to bring this technology for recovery of high purity phosphate into:</p>
<ul>
<li>Treatment of industrial process water</li>
<li>Wastewater treatment plants</li>
</ul>
