共 55 条
New CeO2-TiO2, WO3-TiO2 and WO3-CeO2-TiO2 mesoporous aerogel catalysts for the low temperature selective catalytic reduction of NO by NH3
被引:15
作者:

Arfaoui, Jihene
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Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Ghorbel, Abdelhamid
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Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Petitto, Carolina
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机构:
Univ Montpellier, CNRS, ICGM, ENSCM,MACS, Montpellier, France Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Delahay, Gerard
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h-index: 0
机构:
Univ Montpellier, CNRS, ICGM, ENSCM,MACS, Montpellier, France Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia
机构:
[1] Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia
[2] Univ Montpellier, CNRS, ICGM, ENSCM,MACS, Montpellier, France
关键词:
Sol-gel method;
Supercritical drying;
Mesoporous materials;
New WO3-CeO2-TiO2 aerogel catalyst;
W <-> Ce interactions;
NO-SCR by NH3;
TUNGSTEN-OXIDE;
NH3-SCR;
SCR;
MECHANISM;
CERIA;
TIO2;
CEO2-WO3/TIO2;
D O I:
10.1007/s10934-021-01102-3
中图分类号:
O69 [应用化学];
学科分类号:
081704 ;
摘要:
New mesoporous and well-structured aerogel catalysts (CeO2-TiO2, WO3-TiO2 and WO3-CeO2-TiO2) were elaborated via the sol-gel method, characterized by means of various techniques (XRD; N-2-Physisorption at 77 K; NH3-TPD; H-2-TPR; DRUV-Vis spectroscopy) and evaluated in the selective catalytic reduction (SCR) of NO by NH3. The results reveal that all the aerogel catalysts develop essentially the diffraction peaks of TiO2 anatase phase and are classified as mesoporous materials with a high surface area (70 < S-BET < 106 m(2) g(-1)), large porosity (0.27 < V-PT < 0.46 cm(3) g(-1)) and nanometer size of crystallites (8-15 nm). The addition of Ce and/or W influences differently the structure, texture, crystallites size, surface oxygen concentration, total acidity and redox ability of aerogel samples and clearly affects their NO-SCR activity which follows this order: TiO2 < WO3-TiO2 < CeO2-TiO2 < WO3-CeO2-TiO2. It was also found that cerium species are more active in the low temperature NO-SCR reaction than tungsten ones (NO conversions obtained at 300 degrees C using CeO2-TiO2 and WO3-TiO2 were 75 and 0%, respectively). On the other hand, it was suggested that the interactions between Ce and W species play a key role in improving the reactivity of WO3-CeO2-TiO2 catalyst in the SCR of NO by NH3. Interestingly, the NO conversion into N-2 reaches 85% at 300 degrees C and exceeds 90% between 320 and 400 degrees C over this novel meso-structured aerogel catalyst.
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页码:1535 / 1543
页数:9
相关论文
共 55 条
[1]
New MoO3-CeO2-ZrO2 and WO3-CeO2-ZrO2 nanostructured mesoporous aerogel catalysts for the NH3-SCR of NO from diesel engine exhaust
[J].
Arfaoui, Jihene
;
Ghorbel, Abdelhamid
;
Petitto, Carolina
;
Delahay, Gerard
.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,
2021, 95
:182-189

Arfaoui, Jihene
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Ghorbel, Abdelhamid
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Petitto, Carolina
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Montpellier, ICGM, ENSCM MACS, CNRS, Montpellier, France Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Delahay, Gerard
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Montpellier, ICGM, ENSCM MACS, CNRS, Montpellier, France Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia
[2]
New Mn-TiO2 aerogel catalysts for the low-temperature selective catalytic reduction of NOx
[J].
Arfaoui, Jihene
;
Ghorbel, Abdelhamid
;
Petitto, Carolina
;
Delahay, Gerard
.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY,
2021, 97 (02)
:302-310

Arfaoui, Jihene
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Ghorbel, Abdelhamid
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Petitto, Carolina
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Montpellier, ICGM, ENSCM MACS, CNRS, Montpellier, France Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Delahay, Gerard
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Montpellier, ICGM, ENSCM MACS, CNRS, Montpellier, France Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia
[3]
A new V2O5-MoO3-TiO2-SO42- nanostructured aerogel catalyst for diesel DeNOx technology
[J].
Arfaoui, Jihene
;
Ghorbel, Abdelhamid
;
Petitto, Carolina
;
Delahay, Gerard
.
NEW JOURNAL OF CHEMISTRY,
2020, 44 (37)
:16119-16134

Arfaoui, Jihene
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Ghorbel, Abdelhamid
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Petitto, Carolina
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Montpellier, ICGM, ENSCM MACS, CNRS, Montpellier, France Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia

Delahay, Gerard
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Montpellier, ICGM, ENSCM MACS, CNRS, Montpellier, France Univ Tunis El Manar, Fac Sci Tunis, Dept Chim, Lab Chim Mat & Catalyse, Campus Univ Farhat Hached El Manar, Tunis 2092, Tunisia
[4]
Novel V2O5-CeO2-TiO2-SO42- nanostructured aerogel catalyst for the low temperature selective catalytic reduction of NO by NH3 in excess O2
[J].
Arfaoui, Jihene
;
Ghorbel, Abdelhamid
;
Petitto, Carolina
;
Delahay, Gerard
.
APPLIED CATALYSIS B-ENVIRONMENTAL,
2018, 224
:264-275

Arfaoui, Jihene
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manor, Tunis 2092, Tunisia Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manor, Tunis 2092, Tunisia

Ghorbel, Abdelhamid
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manor, Tunis 2092, Tunisia Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manor, Tunis 2092, Tunisia

Petitto, Carolina
论文数: 0 引用数: 0
h-index: 0
机构:
UM, ENSCM, Inst Charles Gerhardt Montpellier, Mat Avances Catalyse & Sante,CNRS,UMR 5253, 8 Rue Ecole Normale, F-34296 Montpellier 5, France Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manor, Tunis 2092, Tunisia

Delahay, Gerard
论文数: 0 引用数: 0
h-index: 0
机构:
UM, ENSCM, Inst Charles Gerhardt Montpellier, Mat Avances Catalyse & Sante,CNRS,UMR 5253, 8 Rue Ecole Normale, F-34296 Montpellier 5, France Univ Tunis El Manar, Lab Chim Mat & Catalyse, Dept Chim, Fac Sci Tunis, Campus Univ Farhat Hached El Manor, Tunis 2092, Tunisia
[5]
Metathesis of 2-butene to propylene over W-mesoporous molecular sieves: A comparative study between tungsten containing MCM-41 and SBA-15
[J].
Bhuiyan, Tazul Islam
;
Arudra, Palani
;
Akhtar, Muhammad Naseem
;
Aitani, Abdullah M.
;
Abudawoud, Raed H.
;
Al-Yami, Mohammed A.
;
Al-Khattaf, Sulaiman S.
.
APPLIED CATALYSIS A-GENERAL,
2013, 467
:224-234

Bhuiyan, Tazul Islam
论文数: 0 引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia

Arudra, Palani
论文数: 0 引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia

Akhtar, Muhammad Naseem
论文数: 0 引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia

Aitani, Abdullah M.
论文数: 0 引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia

Abudawoud, Raed H.
论文数: 0 引用数: 0
h-index: 0
机构:
Saudi Aramco, Ctr Res & Dev, Dhahran 31311, Saudi Arabia King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia

Al-Yami, Mohammed A.
论文数: 0 引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia

Al-Khattaf, Sulaiman S.
论文数: 0 引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia King Fahd Univ Petr & Minerals, Ctr Res Excellence Petr Refining & Petrochem, Dhahran 31261, Saudi Arabia
[6]
Low-temperature activity and mechanism of WO3-modified CeO2-TiO2 catalyst under NH3-NO/NO2 SCR conditions
[J].
Chen, Lei
;
Weng, Ding
;
Wang, Jiadao
;
Weng, Duan
;
Cao, Li
.
CHINESE JOURNAL OF CATALYSIS,
2018, 39 (11)
:1804-1813

Chen, Lei
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Sch Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China Tsinghua Univ, Sch Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China

Weng, Ding
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Sch Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China Tsinghua Univ, Sch Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China

Wang, Jiadao
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Sch Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China Tsinghua Univ, Sch Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China

Weng, Duan
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Adv Mat, Beijing 100084, Peoples R China Tsinghua Univ, Sch Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China

Cao, Li
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Adv Mat, Beijing 100084, Peoples R China Tsinghua Univ, Sch Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China
[7]
Synergistic effect between ceria and tungsten oxide on WO3-CeO2-TiO2 catalysts for NH3-SCR reaction
[J].
Chen, Lei
;
Weng, Duan
;
Si, Zhichun
;
Wu, Xiaodong
.
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,
2012, 22 (04)
:265-272

Chen, Lei
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

Weng, Duan
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

Si, Zhichun
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Grad Sch Shenzhen, Adv Mat Inst, Shenzhen 518055, Peoples R China Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

Wu, Xiaodong
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
Tsinghua Univ, Yangtze Delta Reg Inst, Hangzhou 314000, Zhejiang, Peoples R China Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
[8]
Mechanism of Selective Catalytic Reduction of NOx with NH3 over CeO2-WO3 Catalysts
[J].
Chen Liang
;
Li Junhua
;
Ge Maofa
;
Ma Lei
;
Chang Huazhen
.
CHINESE JOURNAL OF CATALYSIS,
2011, 32 (05)
:836-841

Chen Liang
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100190, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Li Junhua
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
Tsinghua Univ, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Ge Maofa
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100190, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Ma Lei
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Chang Huazhen
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
[9]
Enhanced activity of tungsten modified CeO2/TiO2 for selective catalytic reduction of NOx with ammonia
[J].
Chen, Liang
;
Li, Junhua
;
Ge, Maofa
;
Zhu, Ronghai
.
CATALYSIS TODAY,
2010, 153 (3-4)
:77-83

Chen, Liang
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
Chinese Acad Sci, State Key Lab Struct Chem Unstable & Stable Speci, Inst Chem, Beijing 100190, Peoples R China
Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Li, Junhua
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Ge, Maofa
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, State Key Lab Struct Chem Unstable & Stable Speci, Inst Chem, Beijing 100190, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Zhu, Ronghai
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
[10]
Promotional Effect of Ce-doped V2O5-WO3/TiO2 with Low Vanadium Loadings for Selective Catalytic Reduction of NOx by NH3
[J].
Chen, Liang
;
Li, Junhua
;
Ge, Maofa
.
JOURNAL OF PHYSICAL CHEMISTRY C,
2009, 113 (50)
:21177-21184

Chen, Liang
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
Chinese Acad Sci, State Key Lab Struct Chem Unstable & Stable Speci, Inst Chem, Beijing 100190, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Li, Junhua
论文数: 0 引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China

Ge, Maofa
论文数: 0 引用数: 0
h-index: 0
机构:
Chinese Acad Sci, State Key Lab Struct Chem Unstable & Stable Speci, Inst Chem, Beijing 100190, Peoples R China Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China