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BEGIN:VEVENT
DTSTART:20230921T071500Z
DTEND:20230921T080000Z
SUMMARY:CERE Seminar by Qian Ouyang
DESCRIPTION:<h2 style="text-align: left;">Multiscale investigation on CH<sub>4</sub> hydrate production and CO<sub>2</sub> hydrate storage at marine subsurface</h2>\n<p style="text-align: left;">\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><strong><span>&nbsp;</span></strong></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><strong><span>Short abstract<br />\n</span></strong><span>Gas hydrates are crystallized compounds consisting of cage-like structures formed by water molecules and gas molecules such as methane (CH<sub>4</sub>) and carbon dioxide (CO<sub>2</sub>).</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>&nbsp;</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>Abundant CH<sub>4</sub> hydrates as prospective energy resources are distributed in natural hydrate-bearing sediments. </span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>&nbsp;</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>To recover CH<sub>4</sub> gas for energy utilization, it is needed to dissociate solid CH<sub>4</sub> hydrates into gas and water. Depressurization as the most economically feasible exploitation method has been implemented in several field tests.</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>&nbsp;</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>However, it is still a bottleneck to maintain long-term efficient production of CH<sub>4</sub> hydrates. Essential properties of hydrate-bearing sediments, e.g. pore surface wettability and gas/water/hydrate saturations/occurrences, are the controlling factors deciding CH<sub>4</sub> hydrate formation/dissociation and thus need well understood.&nbsp;\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span><a href="-/media/f85421ffb0df4432916faf5691346221.ashx">Read full abstract</a></span></p>\n</span></p>\n</p>
X-ALT-DESC;FMTTYPE=text/html:<h2 style="text-align: left;">Multiscale investigation on CH<sub>4</sub> hydrate production and CO<sub>2</sub> hydrate storage at marine subsurface</h2>\n<p style="text-align: left;">\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><strong><span>&nbsp;</span></strong></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><strong><span>Short abstract<br />\n</span></strong><span>Gas hydrates are crystallized compounds consisting of cage-like structures formed by water molecules and gas molecules such as methane (CH<sub>4</sub>) and carbon dioxide (CO<sub>2</sub>).</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>&nbsp;</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>Abundant CH<sub>4</sub> hydrates as prospective energy resources are distributed in natural hydrate-bearing sediments. </span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>&nbsp;</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>To recover CH<sub>4</sub> gas for energy utilization, it is needed to dissociate solid CH<sub>4</sub> hydrates into gas and water. Depressurization as the most economically feasible exploitation method has been implemented in several field tests.</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>&nbsp;</span></p>\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span>However, it is still a bottleneck to maintain long-term efficient production of CH<sub>4</sub> hydrates. Essential properties of hydrate-bearing sediments, e.g. pore surface wettability and gas/water/hydrate saturations/occurrences, are the controlling factors deciding CH<sub>4</sub> hydrate formation/dissociation and thus need well understood.&nbsp;\n<p class="a" style="color: #000000; margin: 0cm; line-height: normal; text-align: left;"><span><a href="-/media/f85421ffb0df4432916faf5691346221.ashx">Read full abstract</a></span></p>\n</span></p>\n</p>

URL:https://www.cere.dtu.dk/da/Calendar/2023/09/CERE-Seminar-by-Qian-Ouyang
DTSTAMP:20260818T151100Z
UID:{B8F5F3C9-31BC-41F9-BD7E-921FA140BEDA}-20230921T071500Z-20230921T071500Z
LOCATION: Building 229, Room 003
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