مجموعة أبحاث الحفز تقوم بالبحث في مجال الحفز غير المتجانس. ويركز البحث في المجموعة أساسا على تحضير المحفزات غير المتجانسة الجديدة ذات الفعالية العالية والمستقرة باستخدام التقنيات المتطورة مثل صول - جيل، والترسيب، والانحلال الحراري اللهبي، والتشريب، والتطعيم، و / أو تقنية الترسيب. ويتم تقييم الأداء الحفاز للمحفزات. المحضرة في العديد من التطبيقات التحفيزية مثل تحويلات البتروكيماويات ، ومكافحة التلوث البيئي، والطاقة المتجددة والتحويلات الكيميائية الخضراء.
الرسالة : "أنظمة حفزية مستدامة من خلال تصميم إبداعي لحفازات غير متجانسة وتقنيات توصيف جزيئية لتؤدي لفهم تطبيقي وتخيلي للعملية الحفزية"
الاهداف :
- انتاج بحوث عالية الجودة في مجال الحفز غير المتجانس بما يجذب تعاونا بين المجموعة وبين الشركات ذات العلاقة.
- نشر مقالات علمية متميزة في الدوريات ذات التأثير العالي مع فرص لبراءات الاختراع.
- نقل المعرفة والخبرة التجريبية إلي الباحثين الشباب، من خلال توفير فرص بحثية لطلاب مقرر الحركية والحفز في مرحلة البكالوريوس وكذلك لطلاب وطالبات الدراسات العليا.
- التعاون مع علماء وباحثين من نفس التخصص في جمیع أنحاء العالم لتحقيق المنفعة المتبادلة.
- نقل التكنولوجيا الحديثة في مجال الحفز إلى جامعة الملك خالد.
Research areas |
1- Synthesis and development of catalysts that are used in the petroleum and petrochemical industries, including: A- Selective oxidation such as that of cyclohexane B- Hydrogenation such as the reaction of desulfurization by hydrogenation of various fuel compounds C- Catalytic cracking, such as breaking down naphtha into light olefins D- Converting heptane into trimethylpentane E- Converting alkanes into aromatic compounds 2- Synthesis and development of catalysts operating in and from renewable energy A- Reducing carbon dioxide and converting it to methane or methyl alcohol B- The catalytic cracking of sulfur dioxide to obtain hydrogen 3- The creation and development of catalysts that work in the field of reducing environmental pollution and from it A- catalytic cracking of unburned hydrocarbons in cars B- The complete catalytic conversion of the various nitrogen oxides compounds
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Results expected from the laboratory |
1- Contributing to the development of industrial catalytic processes in the field of petrochemicals 2- Creating many new catalysts and submitting them to industry 3- Contributing to solving industrial problems of catalysts such as poisoning 4- Registering patents in the name of the university 5- Publishing research at international levels in the field of catalysis research 6- Holding courses and workshops in the field of motivation
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Lab Excellence Points |
1- The presence of a group of distinguished research professors who have long experience in the field of catalysis 2- The existence of research capabilities available in terms of equipment and materials 3- The laboratory has several previous studies in the field of catalysis and distinguished relations with some of the leading companies in the field of petroleum and petrochemical industries |
Abboud, M., Bondock, S., El-Zahhar, A.A., Alghamdi, M.M., Keshk, S.M.A.S. Synthesis and characterization of dialdehyde cellulose/amino-functionalized MCM-41 core-shell microspheres as a new eco-friendly flame-retardant nanocomposite (2021) Journal of Applied Polymer Science, 138 (15), art. no. 50215, . DOI: 10.1002/app.50215 |
Hamdy, M.S., Al-Shehri, B.M., Al-Namshah, K.S., Shkir, M. Synthesis, characterization, and photoluminescence property of Nd–TUD-1 (2021) Luminescence, 36 (1), pp. 192-199. DOI: 10.1002/bio.3934 |
Palanivel, B., Lallimathi, M., Arjunkumar, B., Shkir, M., Alshahrani, T., Al-Namshah, K.S., Hamdy, M.S., Shanavas, S., Venkatachalam, M., Ramalingam, G. rGO supported g-C3N4/CoFe2O4heterojunction: Visible-light-active photocatalyst for effective utilization of H2O2to organic pollutant degradation and OH radicals production (2021) Journal of Environmental Chemical Engineering, 9 (1), art. no. 104698, . DOI: 10.1016/j.jece.2020.104698 |
Hamdy, M.S., Al-Shehri, B.M., Eissa, M., Alharthi, F.A., Alghamdi, A.A., Al-Zaqri, N. Low-temperature oxidation of carbon monoxide over Bi-metallic nanoparticles incorporated three dimensional silica (2021) Atmospheric Environment, 244, art. no. 117955, . DOI: 10.1016/j.atmosenv.2020.117955 |
Chandekar, K.V., Shkir, M., AlFaify, S., Al-Shehri, B.M., Al-Namshah, K.S., Hamdy, M.S. A noticeable consistent improvement in photocatalytic efficiency of hazardous textile dye through facile flash combustion synthesized Li-doped ZnO nanoparticles (2021) Journal of Materials Science: Materials in Electronics, . DOI: 10.1007/s10854-020-05090-z |
Abboud, M., Sahlabji, T., Eissa, M., Bel-Hadj-Tahar, R., Mubarak, A.T., Al-Zaqri, N., Hamdy, M.S. Nickel(II)dibenzotetramethyltetraaza[14]annulene complex immobilized on amino-functionalized TUD-1: An efficient catalyst for immediate and quantitative epoxidation of cyclohexene under ambient conditions (2020) New Journal of Chemistry, 44 (46), pp. 20137-20147. DOI: 10.1039/d0nj03822a |
Abboud, M. Immediate epoxidation of cyclohexene at room temperature using mesoporous flower-like NiO nanoparticles (2020) Reaction Kinetics, Mechanisms and Catalysis, 131 (2), pp. 781-792. DOI: 10.1007/s11144-020-01864-y |
Sahlabji, T., Abboud, M., Bel-Hadj-Tahar, R., Hamdy, M.S. Spontaneous epoxidation of styrene catalyzed by flower-like NiO nanoparticles under ambient conditions (2020) Journal of Nanoparticle Research, 22 (12), art. no. 364, . DOI: 10.1007/s11051-020-05098-w |
Benaissa, M., Alhanash, A.M., Eissa, M., Aldalbahi, A., Alzahly, S., Rahaman, M., Periyasami, G., Hamdy, M.S. The effect of mesoporous support on the catalytic performance of Pd nanoparticles in the hydrogenation of cyclopentene (2020) Journal of Porous Materials, 27 (6), pp. 1735-1743. DOI: 10.1007/s10934-020-00949-2 |
Abboud, M., Al-Zaqri, N., Sahlabji, T., Eissa, M., Mubarak, A.T., Bel-Hadj-Tahar, R., Alsalme, A., Alharthi, F.A., Alsyahi, A., Hamdy, M.S. Instant and quantitative epoxidation of styrene under ambient conditions over a nickel(ii)dibenzotetramethyltetraaza[14]annulene complex immobilized on amino-functionalized SBA-15 (2020) RSC Advances, 10 (58), pp. 35407-35418. DOI: 10.1039/d0ra07244c |
Hamdy, M.S., Alhanash, A.M., Benaissa, M., Alsalme, A., Alharthi, F.A., Al-Zaqri, N. Rhodium nanoparticles incorporated mesoporous silica as an active catalyst for cyclohexene hydrogenation under ambient conditions (2020) Catalysts, 10 (8), art. no. 925, . DOI: 10.3390/catal10080925 |
Al-Shehri, B.M., Shkir, M., Bawazeer, T.M., AlFaify, S., Hamdy, M.S. A rapid microwave synthesis of Ag2S nanoparticles and their photocatalytic performance under UV and visible light illumination for water treatment applications (2020) Physica E: Low-Dimensional Systems and Nanostructures, 121, art. no. 114060, . DOI: 10.1016/j.physe.2020.114060 |
Chandekar, K.V., Shkir, M., Al-Shehri, B.M., AlFaify, S., Halor, R.G., Khan, A., Al-Namshah, K.S., Hamdy, M.S. Visible light sensitive Cu doped ZnO: Facile synthesis, characterization and high photocatalytic response (2020) Materials Characterization, 165, art. no. 110387, . DOI: 10.1016/j.matchar.2020.110387 |
Al-Shehri, B.M., Shkir, M., Khder, A.S., Kaushik, A., Hamdy, M.S. Noble metal nanoparticles incorporated siliceous TUD-1 mesoporous nano-catalyst for low-temperature oxidation of carbon monoxide (2020) Nanomaterials, 10 (6), art. no. 1067, . DOI: 10.3390/nano10061067 |
Shkir, M., Chandekar, K.V., Alshehri, B.M., Khan, A., AlFaify, S., Hamdy, M.S. A remarkable enhancement in photocatalytic activity of facilely synthesized Terbium@Zinc oxide nanoparticles by flash combustion route for optoelectronic applications (2020) Applied Nanoscience (Switzerland), 10 (6), pp. 1811-1823. DOI: 10.1007/s13204-019-01236-6 |
Chandekar, K.V., Shkir, M., Khan, A., Al-Shehri, B.M., Hamdy, M.S., AlFaify, S., El-Toni, M.A., Aldalbahi, A., Ansari, A.A., Ghaithan, H. A facile one-pot flash combustion synthesis of La@ZnO nanoparticles and their characterizations for optoelectronic and photocatalysis applications (2020) Journal of Photochemistry and Photobiology A: Chemistry, 395, art. no. 112465, . DOI: 10.1016/j.jphotochem.2020.112465 |
Mohamed, S.K., Alazhary, A.M., Al-Zaqri, N., Alsalme, A., Alharthi, F.A., Hamdy, M.S. Cost-effective adsorbent from arabinogalactan and pectin of cactus pear peels: Kinetics and thermodynamics studies (2020) International Journal of Biological Macromolecules, 150, pp. 941-947. DOI: 10.1016/j.ijbiomac.2019.11.187 |
Abboud, M. Synthesis and characterization of 5,5′-bis-silylated dithienylethene as a new building block of novel photochromic periodic mesoporous organosilicas (2020) Research on Chemical Intermediates, 46 (4), pp. 2195-2204. DOI: 10.1007/s11164-020-04086-y |
Alrufaydi, Z.A., Ahmed, S.M., Mubarak, A.T. Synthesis and characterization of novel transition metal complexes with L-Proline and their catalytic activity evaluation towards cyclohexane oxidation (2020) Materials Research Express, 7 (4), art. no. 045103, . DOI: 10.1088/2053-1591/ab89dd |
lFaify, S., Shkir, M., Yahia, I.S., Hamdy, M.S. Fabrication of a novel and low-cost disposable visual UVC sensors with short response time (2020) Materials Letters, 263, art. no. 127219, . DOI: 10.1016/j.matlet.2019.127219 |
Abboud, M., Mubarak, A.T., Hamdy, M.S., Abu Haija, M., Ismail, I., Bel-Hadj-Tahar, R., Bel-Hadj-Tahar, R. Highly ordered mesoporous flower-like NiO nanoparticles: Synthesis, characterization and photocatalytic performance (2020) New Journal of Chemistry, 44 (8), pp. 3402-3411. DOI: 10.1039/c9nj04955j |
Shkir, M., Al-Shehri, B.M., Pachamuthu, M.P., Khan, A., Chandekar, K.V., AlFaify, S., Hamdy, M.S. A remarkable improvement in photocatalytic activity of ZnO nanoparticles through Sr doping synthesized by one pot flash combustion technique for water treatments (2020) Colloids and Surfaces A: Physicochemical and Engineering Aspects, 587, art. no. 124340, . DOI: 10.1016/j.colsurfa.2019.124340 |
Abboud, M., Sahlabji, T., Haija, M.A., El-Zahhar, A.A., Bondock, S., Ismail, I., Keshk, S.M.A.S. Synthesis and characterization of lignosulfonate/amino-functionalized SBA-15 nanocomposites for the adsorption of methylene blue from wastewater (2020) New Journal of Chemistry, 44 (6), pp. 2291-2302. DOI: 10.1039/d0nj00076k |
Al-Shehri, B., Altass, H.M., Ashour, S.S., Shkir, M., Khder, A.E.R.S., Hamdy, M.S. Enhancement the photocatalytic performance of semiconductors through composite formation with Eu-TUD-1 (2020) Optik, 202, art. no. 163522, . DOI: 10.1016/j.ijleo.2019.163522 |
Hamdy, M.S., Berg, O., Mul, G. Size-tunable TiO2 nanoparticles in mesoporous silica: Size-dependent performance in selective photo-oxidation (2020) Journal of Molecular Structure, 1200, art. no. 127113, . DOI: 10.1016/j.molstruc.2019.127113 |
Sahlabji, T., Hamdy, M.S. A spectroscopic study for the photocatalytic oxidation of propane over different types of TiO2 (2020) International Journal of Environmental Analytical Chemistry, . DOI: 10.1080/03067319.2020.1739669 |
Hamdy, M.S., Al-Zaqri, N., Sahlabji, T., Eissa, M., Haija, M.A., Alhanash, A.M., Alsalme, A., Alharthi, F.A., Abboud, M. Instant Cyclohexene Epoxidation Over Ni-TUD-1 Under Ambient Conditions (2020) Catalysis Letters, . DOI: 10.1007/s10562-020-03423-5 |
Al-Shehri, B.M., Mohamed, S.K., Alzahly, S., Hamdy, M.S. A significant improvement in adsorption behavior of mesoporous TUD-1 silica through neodymium incorporation (2020) Journal of Rare Earths, . DOI: 10.1016/j.jre.2020.07.004 |
Vandarkuzhali, S.A.A., Pachamuthu, M.P., Srinivasan, V.V., Mohamed, S.K., Abd-Rabboh, H.S.M., Hamdy, M.S., Balamurugan, V.T. Efficient reduction of dyes to leuco form over silver nanoparticles on functionalised SBA-15 and aminoclay (2020) International Journal of Environmental Analytical Chemistry, . DOI: 10.1080/03067319.2020.1811257 |
Al-Shehri, B.M., Khder, A.E.R.S., Ashour, S.S., Hamdy, M.S. A review: The utilization of mesoporous materials in wastewater treatment (2019) Materials Research Express, 6 (12), art. no. 122002, . DOI: 10.1088/2053-1591/ab52af |
Al-Shehri, B.M., Khder, A.-R., Ashour, S.S., Alhanash, A.M., Shkir, M., Hamdy, M.S. Effect of europium loading on the photoluminescence property of europium incorporated 3D-Mesoporous silica (2019) Journal of Non-Crystalline Solids, 515, pp. 68-74. DOI: 10.1016/j.jnoncrysol.2019.04.007 |
Alhanash, A.M., Al-Namshah, K.S., Mohamed, S.K., Hamdy, M.S. One-pot synthesis of the visible light sensitive C-doped ZnO@g-C3N4 for high photocatalytic activity through Z-scheme mechanism (2019) Optik, 186, pp. 34-40. DOI: 10.1016/j.ijleo.2019.04.084 |
Alhanash, A.M., Al-Namshah, K.S., Hamdy, M.S. The effect of different physicochemical properties of titania on the photocatalytic decolourization of methyl orange (2019) Materials Research Express, 6 (7), art. no. 075519, . DOI: 10.1088/2053-1591/ab156f |
Mubarak, A.T., Alhanash, A.M., Benaissa, M., Hegazy, H.H., Hamdy, M.S. In-situ activation of Pd-TUD-1 during the selective reduction of 1,5-cyclooctadiene (2019) Microporous and Mesoporous Materials, 278, pp. 225-231. DOI: 10.1016/j.micromeso.2018.11.035 |
Alhanash, A.M., Atran, A.A., Eissa, M., Benaissa, M., Hamdy, M.S. Liquid phase hydrogenation of MIBK over M/CsPW (M = Ag, Ru, Pt, and Pd) (2019) Catalysts, 9 (1), art. no. 47, . DOI: 10.3390/catal9010047 |
Benaissa, M., Alhanash, A.M., Mubarak, A.T., Eissa, M., Sahlabji, T., Hamdy, M.S. Solvent-free hydrogenation of cyclohexene over Rh-TUD-1 at ambient conditions (2018) RSC Advances, 8 (60), pp. 34370-34373. DOI: 10.1039/C8RA07639A |
Prof. Ahmed T. Taher Lab Founder King Khalid University Abha, Saudi Arabia Tel: +966 50 475 4080 Email: atmubarak@kku.edu.sa Curriculum Vitae (Link) |
Dr. Abdullah Alhanash Lab Director King Khalid University Abha, Saudi Arabia Tel: +966 56 451 5471 Email: alhnsh@kku.edu.sa Curriculum Vitae (Link) |
Prof. Mohamed S. Hamdy Lab Head King Khalid University Abha, Saudi Arabia Tel: +966 59 835 7711 Email: mhsaad@kku.edu.sa Curriculum Vitae (Link) |
Dr. Mohamed Abboud King Khalid University Abha, Saudi Arabia Tel: +966 53 484 6782 Email: mabboud@kku.edu.sa Curriculum Vitae (Link) |
Dr. Afaf Khormi King Khalid University Abha, Saudi Arabia Tel: +966 55 229 4397 Email: aalkormi@kku.edu.sa Curriculum Vitae (Link) |
Dr. Fatma A. Ibrahim Assistant Prof. of Physical Chemistry King Khalid University Abha, Saudi Arabia Tel: Email: fmsood@kku.edu.sa Curriculum Vitae (Link) |
Name |
Fatimah A. Alqahtani |
فاطمة علي القحطاني |
الاسم |
Supervisors |
Prof. Dr. Mohamed Hamdy |
أ.د. محمد حمدي |
المشرفون |
Title |
Effect of different supports on the catalytic behaviour of platinum nanoparticles in cyclohexene hydrogenation reaction. |
تأثير السطوح الحاملة المختلفة على الأداء الحفزي لجزيئات البلاتين النانوية في تفاعل هدرجة الهكسين الحلقي |
عنوان الرسالة |
Status |
In progress |
جاري العمل بالرسالة |
الحالة |
|
|
|
|
Name |
Reem Safar Al-Nefaie |
ريم سفر سفران النفيعي |
الاسم |
Supervisors |
Dr. Mohamed Abboud Dr. Abdullah Alhanash |
د. محمد عبود د. عبد الله آل الحنش |
المشرفون |
Title |
Novel approach for the synthesis of highly dispersed nickel oxide nanoparticles in different types of mesoporous silica: Synthesis, characterization and catalytic activity evaluation in the oxidation of cyclohexane |
|
عنوان الرسالة |
Status |
In progress |
جاري العمل بالرسالة |
الحالة |
|
|
|
|
Name |
Areej Mohammad Alasmari |
أريج محمد الأسمري |
الاسم |
Supervisors |
Prof. Dr. Ahmed T. Mubarak Prof. Dr. Mohamed Hamdy |
أ.د. احمد طاهر مبارك أ.د. محمد حمدي |
المشرفون |
Title |
New catalysts with dual functionality for Friedel-Crafts’ reactions |
محفزات جديدة ذات وظيفة مزدوجة لتفاعلات فريدل-كرافت |
عنوان الرسالة |
Status |
Defended 1441 |
نوقشت 1441 |
الحالة |
|
|
|
|
Name |
Mona Muieed Ali Algarni |
مني معيض علي القرني |
الاسم |
Supervisors |
Prof. Dr. Mohamed Hamdy Prof. Dr. Nasser Awwad |
أ.د. محمد حمدي أ.د. ناصر عواد |
المشرفون |
Title |
The Removal of Heavy Metal-Dye Complexes from Water by Using Adsorption and Photocatalysis Techniques |
ازالة معقدات العناصر الثقيلة مع الصبغات من الماء باستخدام تقنيتي الامتزاز و الحفز الضوئي |
عنوان الرسالة |
Status |
Defended 1440 |
نوقشت 1440 |
الحالة |
|
|
|
|
Name |
Manal Mousa Al-Shahrani |
منال موسي الشهراني |
الاسم |
Supervisors |
Prof. Dr. Mohamed Hamdy Prof. Dr. Nasser S. Awwad |
أ.د. محمد حمدي ا.د. ناصر عواد |
المشرفون |
Title |
Smart Nano-materials for Wastewater Treatment: One Step Process to Photodegrade Dyes and Drugs Complexes and Adsorb Their Heavy Metals |
مواد نانومترية ذكية لمعالجة المياة الملوثة: خطوة واحدة لتكسير معقدات الصبغات و العقاقير ضوئياً و امتزاز معادنها الثقيلة
|
عنوان الرسالة |
Status |
Defended 1438 |
نوقشت 1438 |
الحالة |
|
|
|
|
Name |
Amal A. Alshehri |
أمل عبد الله عبد الرحمن الشهري |
الاسم |
Supervisors |
Prof. Dr. Mohamed Hamdy Dr. Abdullah M. Alhanash |
أ.د. محمد حمدي د. عبد الله محمد ال حنش |
المشرفون |
Title |
Novel Catalysts for Cyclohexane Selective Oxidation |
مواد حفازة جديدة لتفاعل الأكسدة الانتقائية للهكسان الحلقي |
عنوان الرسالة |
Status |
Defended 1437 |
نوقشت 1437 |
الحالة |