-Éß+ü c¦¦¦íng luß¦¡n v-ân du tru

8/3/2019 -+ cng lun v-n du tru

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cng Lun vn Thc s Khoa hc Ha hc

NGHIN CU TNG HP V KHO STHAT TNH CA VT LIU MAO QUN

TRUNG BNH MCM-41 C CHCNNG HA

Ngi hng dn Khoa hcPGS. TS. Trn Th Vn Thi

Hc vin thc hinNguyn Chinh Chin

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TNH CP THIT CA TI

- Hn 80% vt liu tnghpc to ra bi cc schuyn ha ha

hc lin quan t nhtmtbc xc tc trong qu trnh tnghp chng

- Trong cng nghip: Xc tc dth thay th cho xc tc ngth

- Xc tc acid rn: zeolit Y (CN ha du)

- Xc tc oxy ha - kh: TS-1 (CN ha du)

- Thiu xc tc base rn

bin tnh b mt vt liubng vic chc nng ha vi nhmamine phcv cho mc tiu ny

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- Hp ph kim loi nng

- Vn chuyn thuc

- Cht hp thu trong chit pha rn

TNH CP THIT CA TI (tt)

NGHIN CU TNG HP KHO ST HOT TNHCA VT LIU MAO QUN TRUNG BNH MCM-41 C

CHC NNG HA

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4/17

TNH HNH NGHIN CU

Th gii

- Chc nng ha MCM 41 bng hp cht silane c nhm amino (NH2-

MCM-41) [1] (2009), [2] (2010),..

- ng dng ca NH2-MCM-41

+ Hp ph CO2[29] (2009), hp ph kim loi nng [8] (2009),[28] (2010)

+ Vn chuyn thuc [25] (2008), [3] (2009), [30] (2010)

+ Xc tc base [13] (2009), [4], [13], [23] (2010)+ Cht hp thu trong chit pha rn [28]

Xc tc base rn ang thu ht c s quan tm nghin cu ca

cc nh khoa hc trn th gii 4


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TNH HNH NGHIN CU V TNH MI CA TI (tt)

Trong ncCha tm thy cng b v tng hp v kho st hot tnh ca vt

liu mao qun trung bnh MCM-41 bin tnh bng amine.

TNH MI

Tng hp vt liu mao qun trung bnh c chc nng ha bng

amine v kho st hot tnh xc tc.

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6/17

I TNG NGHIN CU

- Cu trc mao qun trt t, s lng nhm silanol trn b mt ln- Din tch b mt ln ( 700-1500 m2 /g)

Hnh 2.nh TEM ca MCM-41

a. nhn t trn; b. nhn t pha bn

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7/17

I TNG NGHIN CU(tt)

Hnh 2. Vt liu NH2-MCM-41

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MC TIU NGHIN CU

Nghin cu quy trnh tng hp vt liu mao qun

trung bnh MCM-41 bin tnh bng amine v kho st

hot tnh cavtliutnghpc

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9/17

NI DUNG NGHIN CU

1. Nghin cu quy trnh tnghpvtliu mao qun trung bnhbin tnhbng amine

- Kho st cc iukinnhhng

- Lachn quy trnh thch hp

2. ctrngvtliubng ccphng php

3. Kho st hot tnh xc tc ca NH2-MCM-41 i viphn ng

Knoevenagen

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10/17

PHNG PHP NGHIN CU

- Phng php tng hp vt liu: Phng php trc tip v gin tip

- Phng php c trng vt liu

+ Phng php nhiu x tia X

+ Phng php hp ph - gii hp nit

+ Phng php hin vi in t qut

+ Phng php phn tch nhit

+ Phng php ph hng ngoi

- Phng php kho st hot tnh xc tc

+ Phn ng pha lng Knoevenagel

+ Kim tra chuyn ha v chn lc bng GC-MS 10


11/17

K HOCH D KIN

11

ST

T Ni dungThng (nm 2010)

1 2 3 4 5 6 7 8 9 101 Tm v tng hp ti liu X

Tng hp v kho st yu t nh

hng X X X2 c trng X X3 Kho st hot tnh X X X4 Hon thnh lun vn X


12/17

KINH PH D KIN

Loi Tn S lng

Ha cht

3-Aminopropyltritheoxysilane (APTES) 100 mlTEOS 250 mlCTAB 100 gam

Etannol 5LDung dch amoniac 25% 500 ml

Benzaldehyde 100mlEster etylmalonat 500 ml

o mu

XRD 20BET 4

TG-DSC 4IR 10

TEM 4SEM 4

12

Kinh ph d kin: 6.200.000 (VN)


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TI LIU THAM KHO[1] A. benhamou (2009), Aqueous heavy metals removal onamine-functionalized Si-MCM-41and Si-MCM-48,Journal of Hazardous Materials 171, 10011008.

[2]. Fanpeng Shang, Jianrui Sun, Shujie Wu, Ying Yang, Quibin Kan (2010), Direct synthesis ofacid-base bifuntional mesoporous MCM-41 silica and its catalytic reactivity in Deacetalization-Knoevenagel reactions,Microporous and Mesoporous Materials 134, 44-50.

[3]. Gang Wang, Amy N. Otuonye, Elizabeth A. Blair, Kelley Denton, Zhimin Tao(2009),Funtionalized mesoporous materials for adsorption and release of difference drugmoleculars: A comparative study, Journal of Solid State Chemistry 182, 1649-1660.

[4]. Haihong Zhao, Ningya Yu, Yan Ding, Rong Tan, Cheng Liu, Donghong Yin (2010), Task-specific basic ionic liquid immobilized on mesoporous silicas: Efficient and reuable catalysts forKnoevenagel condensation in aqueous media, Microporous and Mesoporous materials, 1-8.

[5]. Hana Ritter, Minna Nieminen, Maarit Karppinen (2009), A comparative study of thefunctionalization of mesoporous silica MCM-41 by deposition of 3-aminopropyltrimethyosilanefrom toluene and from the vaporphase, Microporous and materials 121, 79-83.

[6]. S. Huh, J.W. Wiench, M. Prusky, V.S.Y. Lin (2003), Chem. Mater. 15, 4247-4256

[7]. Jorge Gason, Ugur Aktay, Maria D. Hernandez-Alonso (2009), Amino-based metal-organicframeworks as table, highly active basic catalysts,Journal of Catalysis 261, 75-87.

[8]. Jos Aguado, Jess M. Arsuaga (2009), Aqueous heavy metals removal by adsorption onamine-funtionalized mesoporous silica, Journal of Hazardous Materials 163, 213-221

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[9]. Dinh Quang Khieu, Nguyen Khoai (2006), In Situ Synthesis Of Fe-MCN-41 Materials AndTheir Catalytic Activity, Proceedings of 1st IWOFM-3rd IWONN conference, Halong, Vietnam,December 6-9, pp. 62-66.

[10]. Kurian M., Sugunan S. (2005), Catalytic activity of iron pillared montmorillonites forbenzyllation of benzene with benzyl chloride, Bultin of Catalysis Society of India, 4, 88-100.

[11]. W.N. Lau, K.L. Yeung, R. Martin-Aranda (2008), Knoevenagel condensation reactionbetween benzaldehyde and ethyl acetoacetate in microreator and membrane microreator,Microporous and Mesoporous Materials 115, 156-163.

[12]. Leandro Martin, Wolfgang Holderich (2010),Prepararion of different basis Si-MCM-41catalysts and application in the Knoevenagel and Claisen-Schmidt condensation reactions,Journal of Catalysis 271, 220-227.

[13]. K.M. Parida, Dharitri Rath (2009), Amine functionalized MCM-41: An active and reusablecatalyst for Knoevenagel condensation reaction,Journal of Molecular Catalysis A: Chemical310, 93-100.

[14]. S. Hasegawa,S. Horike, R. Matsuda (2007),J. Am. Chem. Soc. 121, 2607-2614.

[15]. Shaobin Wang (2009), Ordered mesoporous materials for drug delivery,Microporous andmaterials 117, 1-9.

[16]. T.Yokoi, H. Yoshitake, T.Yamada, Y.Kubota (2006),Amino-functionalized mesoporoussilica synthesized materials by an anionic surfactant tamplating route,J. Mater. Chem.16, 1125-

1135.

TI LIU THAM KHO

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TI LiU THAM KHO (tt)

[17]. Xiu S.Zhao et al (1996), Advance in Mesoporous Molecular Sieve MCM-41 (rewiew),Ind.Eng.Chem.Res 35, 2075-2090.

[18]. Zhao, X. S., Lu, G. Q. and Millar, G. J. (1996), Advances in MesoporousMolecular Sieve MCM-41, Ind. Eng. Chem. Res 35, 2075-2090.

[19]. Mohamed Sameh Hamdy M.Saad (2005),Functionalized TUD-1:Sythesis, charaterization and (photo-) catalytic peformance, Ph.D. Thesis,Technical University of Delft, The Netherlands.

[20].Behrens (1993), P. Adv. Mater 5, 127.

[22].Corma (1997), A. Chem. Rev 97, 2373.

[23]. Qingqing Wang, Daniel F. Shantz (2010), Nitroaldol reactions catalyzedby amine-MCM-41 hybrids,Journal of Catalysis 271, 170-177.

[24] Youwei Xie, Krishna K. Sharma, Abhishek Anana (2009), Efficient solid-base catalysts for aldol reaction by optimizing the density and type oforganoamine groups on nanoporous silica, Journal of Catalysis 265, 131-140.

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TI LiU THAM KHO (tt)

[25]. M. Manzano, V. Aina, C.O. Aren, F. Balas (2008),Studies on MCM-41mesoporous silica for drug delivery: Effect of particle morphology and amine

functionalization, Chemical Engineering Journal 137,30-37.[26]. Rodrigo Serna-Guerro, Abdelhamid Sayari (2010),Modeling adsorption of

CO2 on amine-functionalized mesoporous silica. 2: Kinetics and breakthroughcurves, Chemical Engineering Journal 161, 182-190.

[27]. SRISUDA Saeung, VIROTE Boonamnuayvitaya (2008),Adsorption offormaldehyde vapor by amine-functionalized mesoporous silica materials,

Journal of Environmental Sciences 20, 379-384.

[28]. Salah A.Idris, Christine M.Davidson (2010), Large pore diameter MCM-41and its application for lead removal from aqueous media,Journal of Hazardous

Materials

[29]. Fang-Yi Chang, (2009), Adsorption of CO2 onto amine-grafted mesoporoussilicas, Separation and Purification Technology 70, 8795

[30] ZhenhuanLi, KunmeiSu,BowenCheng, YanchaoDeng, (2010) Organicallymodified MCM- type material preparation and its usage in controlled amoxicill

in delivery,Journal of Colloid and Interface Science 342, 607613 16


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XIN CHN THNH CM N S QUANTM THEO DI CA THY C V CC

BN

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