مختبر الحفز

مختبر : ابحاث الحفز

 

مجموعة أبحاث الحفز تقوم بالبحث في مجال الحفز غیر المتجانس. ویركز البحث في المجموعة أساسا على تحضیر المحفزات غیر المتجانسة الجدیدة ذات الفعالیة العالیة والمستقرة باستخدام التقنیات المتطورة مثل صول-جیل، والترسیب، والانحلال الحراري اللھبي، والتشریب، والتطعیم، و / أو تقنیة الترسیب. ویتم تقییم الأداء الحفاز للمحفزات. المحضرة في العدید من التطبیقات التحفیزیة مثل تحویلات البتروكیماویات ، ومكافحة التلوث البیئي، والطاقة المتجددة والتحویلات الكیمیائیة الخضراء.

الرؤیة: "الحفز: تقنیة مفتاحیة للاستدامة في الطاقة وانتاج الكیمیاویات وحمایة البیئة".

الرسالة : "أنظمة حفزیة مستدامة من خلال تصمیم إبداعي لحفازات غیر متجانسة وتقنیات توصیف جزیئیة لتؤدي لفھم تطبیقي وتخیلي للعملیة الحفزیة"

الاهداف

1- انتاج بحوث عالیة الجودة في مجال الحفز غیر المتجانس بما یجذب تعاونا بین المجموعة وبین الشركات ذات العلاقة.

2- نشر مقالات علمیة متمیزة في الدوریات ذات التأثیر العالي مع فرص لبراءات الاختراع.

3-  نقل المعرفة والخبرة التجریبیة إلى الباحثین الشباب، من خلال توفیر فرص بحثیة لطلاب مقرر الحركیة والحفز في مرحلة البكالوریوس وكذلك لطلاب وطالبات الدراسات العلیا.

4-  التعاون مع علماء وباحثین من نفس التخصصفي جمیع أنحاء العالم لتحقیق المنفعة المتبادلة.

5- نقل التكنولوجیا الحدیثة في مجال الحفز إلى جامعة الملك خالد.

Research

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

 

 

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

 

 

 

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

 

 

 

 

 

  1. Publications

 

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

 

AlFaify, 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

 

  1. People

 

 

 

Prof. Ahmed T. Taher

Lab Founder
Professor of Inorganic Chemistry

King Khalid University

Abha, Saudi Arabia

Tel: +966 50 475 4080

Email: atmubarak@kku.edu.sa

 

Curriculum Vitae (Link)

Dr. Abdullah Alhanash

Lab Director
Associate Prof. of Physical Chemistry

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
Prof. of Physical Chemistry

King Khalid University

Abha, Saudi Arabia

Tel: +966 59 835 7711

 

Email: mhsaad@kku.edu.sa

 

Curriculum Vitae (Link)

Dr. Mohamed Abboud
Assistant Prof. of Organic Chemistry

King Khalid University

Abha, Saudi Arabia

Tel: +966 53 484 6782

Email: mabboud@kku.edu.sa

 

Curriculum Vitae (Link)

 

 

Dr. Afaf Khormi
Assistant Prof. of Organic Chemistry

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)

 

  1. Students

 

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