{"id":19684,"date":"2024-10-07T02:39:29","date_gmt":"2024-10-07T02:39:29","guid":{"rendered":"https:\/\/research.utm.my\/che\/?page_id=19684"},"modified":"2024-10-07T06:12:02","modified_gmt":"2024-10-07T06:12:02","slug":"abstract-speaker-concept2024","status":"publish","type":"page","link":"https:\/\/research.utm.my\/che\/abstract-speaker-concept2024\/","title":{"rendered":"Abstract Speaker CONCEPT2024"},"content":{"rendered":"[et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/research.utm.my\/che\/wp-content\/uploads\/sites\/45\/2024\/10\/Header-Website-CONCEPT11-2.png” title_text=”Header Website CONCEPT11 (2)” _builder_version=”4.27.2″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text module_id=”keynote241″ _builder_version=”4.27.2″ _module_preset=”default” custom_margin=”||89px|||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]\n

Chemical-Looping – An Environmentally Friendly Approach for Energy and Chemicals
<\/b>Mohammad\u00a0M.\u00a0Hossain<\/strong>
<\/span>\u00a0Department of Chemical Engineering, Interdisciplinary Research Center for Refining & Advanced Chemicals (IRC-RAC),
King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia<\/span><\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

Abstract<\/strong> – <\/span>In the last two decades, significant progress has been made towards a better understanding of world climate change, its long-term impact and searching solutions for the sustainable environment. In this regard, chemical looping combustion (CLC) has been extensively investigated as a promising approach for CO2<\/sub> capture from fossil fuel-based power plants. A Circulating fluidized bed process involving a durable oxygen carrier can open the door for CLC with inherent CO2<\/sub> capture using NG, diesel, heavy residues, coal and biomass as fuels in industrial scale electricity generation. Therefore, the application of CLC and CO2<\/sub> capture\/use will secure the continuation of cheaper fossil energy-based power generation until the renewable alternatives reach to their competitiveness.\u00a0 On the other hand, the chemical looping approach can also be implemented for chemical and hydrogen production \u2013 which will not only enhance the overall process efficiency but also significantly contribute to the minimization of CO2<\/sub> emission. The chemical-looping strategy offers opportunities for process intensification and exergy loss minimization. An integrated CLC and chemical-looping chemical\/hydrogen production will also create the opportunity for capture and use of CO2<\/sub> in chemicals production \u2013 a way of realization of the circular carbon economy. In many cases, the reduction of energy consumption is significant enough that the decrease of CO2<\/sub> emission target can be achieved without CO2<\/sub> capture. The present keynote will report the work in progress on both the CLC and Chemical-looping chemical\/hydrogen production at Chemical Engineering-KFUPM.<\/p>\n[\/et_pb_text][et_pb_text module_id=”keynote242″ _builder_version=”4.27.2″ _module_preset=”default” custom_margin=”||89px|||” global_colors_info=”{}”]\n

Converting Plants Waste into Solvent as Green Approaches for Synthesis of Nanoparticles Photocatalyst
<\/strong>Nur Farhana Jaafar
<\/sup>School of Chemical <\/sup>Sciences, Universiti Sains Malaysia,<\/strong>
11800 USM Penang, Penang, Malaysia<\/strong>
E-mail: nurfarhana@usm.my<\/a><\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

Abstract<\/strong> – <\/span>Wastewater treatment of persistent organic pollutants (POPs) faces several key challenges like high cost, large energy consumption and emerging contaminants. Photocatalysis is an advanced oxidation process (AOPs), which is a promising technology for treating wastewater contaminated with POPs in recent years with the aid of photocatalyst. Nowadays, various methods of synthesis have been explored and modified to produce photocatalysts with suitable properties where most of the methods used a lot of chemicals and consequently contributed to formation of more waste. Hence, to reduce the use of chemicals by prioritizing the green and sustainable aspects, exploring natural and green resources in photocatalyst synthesis is one of the alternatives. This work presents the potential of various sources of plant wastes and turns into extract to be used as alternative solvents for synthesis of various nanoparticles photocatalysts. Plants waste extract (PWE) containing rich amounts of useful bioactive components (phenolic, myricetin, flavanols) play an important role in assisting the production of nanoparticles. It has been known that active biocomponents from plant resources are employed to serve as the reducing, stabilizing, or capping agent during material growth. The results revealed that the reducing capacity of PWE during material synthesis was linked to their total phenolic and flavonoid content as well as the plant-based wastes extract with higher phenolic content generated smaller particle sizes and surface oxygen vacancies of photocatalyst, which contributed to enhanced pollutant degradation performance. Improved properties of photocatalyst give more potential for their ability to degrade various pollutants.<\/p>\n

\u00a0Keywords<\/strong>: plant waste; photocatalyst; photodegradation; wastewater<\/p>\n[\/et_pb_text][et_pb_text module_id=”keynote243″ _builder_version=”4.27.2″ _module_preset=”default” global_colors_info=”{}”]\n

PdZn\/ZnO\u2212TiO2<\/sub> catalysts for CO2 <\/sub>hydrogenation to methanol<\/strong>
Athirah Ayuba<\/sup><\/em>, Abdul Hanif Mahadia<\/sup><\/em>, Mohammd Ammar Syaahiran Alima<\/sup><\/em>, Hasliza Bahrujia<\/sup><\/em>*<\/strong>
a<\/sup><\/em>Centre for Advanced Material and Energy Sciences, Universiti Brunei Darussalam, Jalan Tungku Link, BE1410, Brunei Darussalam
<\/em>*Corresponding author: <\/em>hasliza.bahruji@ubd.edu.bn<\/em><\/a><\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

Abstract<\/strong> – <\/span>Carbon dioxide in the atmosphere has reached an alarming level and, therefore, requires a global effort to reduce emissions. CO<\/span>2<\/sub> hydrogenation to methanol (CTM) is one of the CCU technologies offering easy storage and transportation of liquid methanol [1]. CTM is an exothermic reaction releasing -49.5 kJmol<\/span>-1<\/sup> of energy at 298 K (Eqn. (1)). The reaction thermodynamically favored low temperature and high pressure conditions [2]. Porous ZnO\/TiO<\/span>2<\/sub> synthesized using different Zn and Ti ratios (Zn:Ti = 0.5, 1, 2) is investigated as PdZn alloy support for CO<\/span>2<\/sub> hydrogenation to methanol. The partial transformation of ZnO\/TiO<\/span>2<\/sub> into ZnTiO<\/span>3<\/sub> perovskite occurs on the PdZn perimeter, forming strong interfacial interaction with PdZn alloy. Variation of Zn:Ti ratios affected the formation of cubic and hexagonal ZnTiO<\/span>3<\/sub>. At low Zn:Ti ratio of 0.5, the cubic ZnTiO<\/span>3<\/sub> generates a high density of surface oxygen vacancies, achieving ~1121.3 mmolkg<\/span>-1<\/sup>h<\/span>-1<\/sup> methanol after 24 h reaction. The trace amount of methane and C<\/span>2+ <\/sub>hydrocarbons from the C\u2212C coupling reaction occur at 450\u00b0C. In-situ DRIFTS analysis provides insight into the reaction mechanism that occurs via two intermediate pathways i.e., formate and formyl *HCO species.<\/span><\/p>\n

Keywords<\/strong>: PdZn alloy, CO2<\/sub> hydrogenation, methanol, ZnTiO3<\/sub> interface<\/p>\n

\"\"<\/p>\n

Fig 1<\/strong>. (a) CO2<\/sub> conversion on PdZn\/ZnO\u2212TiO2 <\/sub>catalysts at different Zn:Ti ratios (0.5. 1.0 and 2.0) at reaction temperature 300\u00b0C and pressure 20 bar for 24 h and (b) methanol productivity.<\/p>\n

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References:<\/p>\n

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  1. D. Masih, S. Rohani, J. N. Kondo, and T. Tatsumi, \u201cLow-temperature methanol dehydration to dimethyl ether over various small-pore zeolites,\u201d Applied Catalysis B: Environmental<\/em>, vol. 217, pp. 247\u2013255, Nov. 2017, doi: 10.1016\/j.apcatb.2017.05.089.<\/li>\n
  2. W. Wang, S. Wang, X. Ma, and J. Gong, \u201cRecent advances in catalytic hydrogenation of carbon dioxide,\u201d Chem. Soc. Rev.<\/em>, vol. 40, no. 7, p. 3703, 2011, doi: 10.1039\/c1cs15008a.<\/li>\n<\/ol>\n

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    Chemical-Looping – An Environmentally Friendly Approach for Energy and ChemicalsMohammad\u00a0M.\u00a0Hossain\u00a0Department of Chemical Engineering, Interdisciplinary Research Center for Refining & Advanced Chemicals (IRC-RAC),King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia \u00a0 Abstract – In the last two decades, significant progress has been made towards a better understanding of world climate change, its long-term impact […]<\/p>\n","protected":false},"author":11315,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-19684","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/research.utm.my\/che\/wp-json\/wp\/v2\/pages\/19684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/research.utm.my\/che\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/research.utm.my\/che\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/research.utm.my\/che\/wp-json\/wp\/v2\/users\/11315"}],"replies":[{"embeddable":true,"href":"https:\/\/research.utm.my\/che\/wp-json\/wp\/v2\/comments?post=19684"}],"version-history":[{"count":9,"href":"https:\/\/research.utm.my\/che\/wp-json\/wp\/v2\/pages\/19684\/revisions"}],"predecessor-version":[{"id":19724,"href":"https:\/\/research.utm.my\/che\/wp-json\/wp\/v2\/pages\/19684\/revisions\/19724"}],"wp:attachment":[{"href":"https:\/\/research.utm.my\/che\/wp-json\/wp\/v2\/media?parent=19684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}