{"id":64012,"date":"2022-04-20T10:28:54","date_gmt":"2022-04-20T14:28:54","guid":{"rendered":"https:\/\/www.hajim.rochester.edu\/senior-design-day\/?p=64012"},"modified":"2022-09-12T10:58:15","modified_gmt":"2022-09-12T14:58:15","slug":"development-of-an-adsorption-column-for-direct-air-capture-of-co2","status":"publish","type":"post","link":"https:\/\/www.hajim.rochester.edu\/senior-design-day\/development-of-an-adsorption-column-for-direct-air-capture-of-co2\/","title":{"rendered":"Development of an Adsorption Column for the Direct Air Capture of CO2"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Team<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Omolade Fasusi <\/li><li>Max Fernandez <\/li><li>Jarrell Aguilar <\/li><li>Aditi Seshadri <\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Mentor<\/h2>\n\n\n\n<p>Professor Marc Porosoff<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Abstract<\/h2>\n\n\n\n<p>The concentration of carbon dioxide in the atmosphere continues to rise at an alarming rate. Direct air capture (DAC) is one approach for reducing atmospheric CO<sub>2<\/sub>&nbsp;levels. This project aims to design and build an operational adsorption system to be used in the Porosoff Lab for evaluating DAC sorbents.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction &amp; Background<\/h2>\n\n\n\n<p><strong>Problem:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Increasing carbon dioxide concentrations in the atmosphere has significant implications for&nbsp;<strong>climate change<\/strong>.<\/li><\/ul>\n\n\n\n<p><strong>Solution: Direct Air Capture (DAC) of CO<sub>2<\/sub>&nbsp;from the Atmosphere<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>A key requirement for the success of any DAC solution is the design of sorbents that can capture CO<sub>2<\/sub>&nbsp;with high efficiency and release it under controlled conditions, with minimal energy requirements<\/li><li><span style=\"text-decoration: underline;\">Customer Need:<\/span> A functional lab-scale system that can be used to study the properties of various DAC sorbents<\/li><li><span style=\"text-decoration: underline;\">Project Goal:<\/span> To design and build a lab-scale adsorption column that can be later used by the Porosoff Lab to study various DAC sorbents.<\/li><\/ul>\n\n\n\n<p><strong>Temperature-Swing Adsorption (TSA) System<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>TSA: sorbents adsorb CO<sub>2<\/sub>&nbsp;at lower temperatures and desorb (release) CO<sub>2<\/sub>&nbsp;at higher temperatures<\/li><li>TSA Design Implications<ul><li>The system needs to be able to reach a wide range of temperatures required to screen temperature-swing DAC sorbents (~25\u00b0C \u2013 500\u00b0C)<\/li><li>Reduce the time to heat\/cool the column to maximize the number of sorbents that can be screened<\/li><\/ul><\/li><li>Calcium oxide (CaO) was chosen as a case study for the system<\/li><\/ul>\n\n\n\n<p><strong>Objectives &amp; Design<\/strong><\/p>\n\n\n\n<p>Design and build a&nbsp;<strong>lab-scale adsorption system&nbsp;<\/strong>for evaluating DAC sorbents<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Design considerations<\/strong>:<ul><li>Integrated heating and temperature control<\/li><li>Control over gas flow rates and pressure<\/li><li>Ability to monitor the concentration of CO<sub>2<\/sub>&nbsp;leaving the column<\/li><li>Compact system that fits within approximately one-half of a fume hood (3&#8242; x 3&#8242; x 3&#8242;)<\/li><li>Method to reduce the column cooldown time<\/li><li>Minimize risk of contact with high-temperature surfaces<\/li><\/ul><\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Develop SOPs for operating the system and testing different components<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Key experiments to demonstrate&nbsp;<strong>functionality&nbsp;<\/strong>of system<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"497\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-13-1024x497.jpeg\" alt=\"\" class=\"wp-image-101312\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-13-1024x497.jpeg 1024w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-13-300x146.jpeg 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-13-768x373.jpeg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-13-1536x746.jpeg 1536w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-13-1200x583.jpeg 1200w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-13.jpeg 1582w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption><em>Figure 1. CAD Design of Lab-Scale Adsorption System<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Methods<\/h2>\n\n\n\n<p><strong>Major Components<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Mass flow controllers allow control of air and N<sub>2<\/sub>&nbsp;flow rates<\/li><li>Steel plates with insertion heaters for heating the column<\/li><li>Calcium silicate insulation<\/li><li>OMEGA Temperature Controller<\/li><li>Vise with two movable jaws, which allows the insulation panels to be separated from the column for faster cooling<\/li><li>Adsorption column (4&#8243; long, 0.5&#8243; diameter)<\/li><li>LI-850 CO<sub>2<\/sub>\/H<sub>2<\/sub>O gas analyzer<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-14-922x1024.jpeg\" alt=\"\" class=\"wp-image-101332\" width=\"417\" height=\"463\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-14-922x1024.jpeg 922w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-14-270x300.jpeg 270w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-14-768x853.jpeg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-14.jpeg 1122w\" sizes=\"auto, (max-width: 417px) 100vw, 417px\" \/><figcaption><em>Figure 2. Process Flow Diagram of Lab-Scale Adsorption System<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Results &amp; Discussion<\/h2>\n\n\n\n<p>The lab-scale system was successfully constructed and fit within the allocated space in the Gavett 245 fume hood (Figure 3).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"766\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-171-1024x766.png\" alt=\"\" class=\"wp-image-101342\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-171-1024x766.png 1024w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-171-300x225.png 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-171-768x575.png 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-171-1536x1150.png 1536w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-171-1200x898.png 1200w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-171.png 1622w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption><em>Figure 3.&nbsp;&nbsp;Lab scale adsorption system&nbsp;<\/em><\/figcaption><\/figure>\n\n\n\n<p>Each component of the system was tested for functionality. Some of the key functionality tests are highlighted below:<\/p>\n\n\n\n<p><strong>Mass Flow Controllers (MFCs) Functionality<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Used a bubble flow meter to evaluate ability to accurately adjust flow rate with mass flow controllers<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/Screen-Shot-2022-04-28-at-10.43.52-PM.png\" alt=\"\" class=\"wp-image-102092\" width=\"215\" height=\"56\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/Screen-Shot-2022-04-28-at-10.43.52-PM.png 484w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/Screen-Shot-2022-04-28-at-10.43.52-PM-300x78.png 300w\" sizes=\"auto, (max-width: 215px) 100vw, 215px\" \/><figcaption>Equation used to calculate the flow rate (Q) that was compared to the MFC set point<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-15-1024x744.jpeg\" alt=\"\" class=\"wp-image-101352\" width=\"540\" height=\"393\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-15-1024x744.jpeg 1024w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-15-300x218.jpeg 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-15-768x558.jpeg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-15.jpeg 1096w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><figcaption><em>Figure 4.&nbsp;&nbsp;MFC Calibration Curve<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>Cooling Capability<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Estimated time required to cool the system down to 25\u00b0C (~36 min) was less than that measured (~45 min)<ul><li>Possible reason for this difference is that the vise was not opened immediately after the setpoint temperature was changed from 500\u00b0C to 25\u00b0C.<\/li><li>When the vise was opened, after ~10 minutes, the rate at which the column was cooling down increased significantly (Figure 5)<\/li><\/ul><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-16-1024x856.jpeg\" alt=\"\" class=\"wp-image-101362\" width=\"448\" height=\"374\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-16-1024x856.jpeg 1024w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-16-300x251.jpeg 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-16-768x642.jpeg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-16-1200x1004.jpeg 1200w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-16.jpeg 1222w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/><figcaption><em>Figure 5.&nbsp;&nbsp;Column temperature<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>CaO Adsorption<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>CaO&nbsp;was chosen due to its availability in lab and the fact that it is a common baseline for CO<sub>2<\/sub>&nbsp;capture sorbents<\/li><li>CaO&nbsp;reaction:<ul><li>CaO (s) + CO<sub>2<\/sub>&nbsp;(g) \u21cc CaCO<sub>3<\/sub>&nbsp;&nbsp;(s)<\/li><\/ul><\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>An S-shaped breakthrough curve was expected when conducting the CaO adsorption experiment. However, this was not observed and further experimentation is recommended (Figure 6)<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-175.png\" alt=\"\" class=\"wp-image-101682\" width=\"333\" height=\"247\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-175.png 484w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2022\/04\/image-175-300x222.png 300w\" sizes=\"auto, (max-width: 333px) 100vw, 333px\" \/><figcaption><em>Figure 6. CO<sub>2<\/sub> concentration versus time, Experiment 1<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><strong>Conclusions &amp; Future Work<\/strong><\/strong><\/h2>\n\n\n\n<p><strong>Conclusions<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Demonstrated the&nbsp;<strong>functionality<\/strong>&nbsp;of the system (temperature control, control of gas flow rate, loading sorbent, ability to measure CO<sub>2<\/sub>&nbsp;concentration exiting the column)<\/li><li>This system can be used to assess the performance of various sorbents for CO<sub>2<\/sub>&nbsp;capture<\/li><li>Detailed SOPs covering operation of the system as well as testing different components (i.e. gas analyzer, MFCs) were developed<\/li><\/ul>\n\n\n\n<p><strong>Future Work<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Run additional tests with CaO, varying different parameters (pressure, flow rate, etc.) while keeping the rest of the parameters constant<\/li><li>In-depth study of different DAC sorbents such as FS-PEI and Zeolite 13X<\/li><li>Research time delay of system between gas analyzer reading and system changes<\/li><li>Addition of H<sub>2<\/sub>&nbsp;and CO<sub>2<\/sub>&nbsp;gas lines<\/li><li>Humidity control<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Acknowledgements<\/strong><\/h2>\n\n\n\n<p>Team Crypto would like to give special thanks to our sponsor and advisor, Professor Marc&nbsp;Porosoff, for his guidance and support throughout this project. We would also like to thank Shane&nbsp;Michtavy&nbsp;for his guidance and Jeff&nbsp;Lefler&nbsp;for his help with machining. The team would also like to thank Professor Lawton, Professor Kelley, Professor Juba, Clair Cunningham, Mason&nbsp;Garlatti, and Quinton Dang for their support and technical assistance throughout the semester.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This project involved designing, building, and testing the functionality of an adsorption system. The system will be used by the Porosoff Lab to study different sorbents for use in the direct air capture of CO2.<\/p>\n","protected":false},"author":6242,"featured_media":100182,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[76],"tags":[],"coauthors":[8612],"class_list":["post-64012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-che-archive"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Development of an Adsorption Column for the Direct Air Capture of CO2 - Senior Design Day<\/title>\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.hajim.rochester.edu\/senior-design-day\/development-of-an-adsorption-column-for-direct-air-capture-of-co2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Development of an Adsorption Column for the Direct Air Capture of CO2 - Senior Design Day\" \/>\n<meta property=\"og:description\" content=\"This project involved designing, building, and testing the functionality of an adsorption system. 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