N and P co-doped graphene-like carbon nanosheet as metal-free catalyst for selective oxidation of methacrolein to methacrylic acid: High methacrylic acid selectivity

X Zeng, Y Chong, M Qi, C Zhang, L Zhou, Z Li… - Applied Surface …, 2024 - Elsevier
Methacrylic acid (MAA) is an important chemical intermediate. In this study, a kind of
nitrogen-phosphorus co-doped graphene-like carbon nanosheet catalysts have been …

Selective Oxidation of Methacrolein over Crystalline Mo3VOx Catalysts and Comparison of Their Catalytic Properties with Heteropoly Acid Catalysts

S Ishikawa, N Noda, M Wada, S Tsurumi, W Ueda - ACS Catalysis, 2020 - ACS Publications
Four distinct crystalline Mo3VO x catalysts comprising the same structural units were tested
for the selective oxidation of methacrolein (MCR). Crystalline orthorhombic Mo3VO x (Orth …

(NH4) Cu0. 2H2. 8PMo11VO40 via a hydrothermal homogeneous precipitation method for selective oxidation of methacrolein to methacrylic acid

Y Liu, S Wang, Y Li, X Cai, M Zhu, X Han - Applied Catalysis A: General, 2022 - Elsevier
A strategy combing homogeneous precipitation and hydrothermal treatment was proposed
to prepare Keggin-type (NH 4) Cu 0.2 H 2.8 PMo 11 VO 40 for selective oxidation of …

Hydroxylation of benzene to phenol over heteropoly acid H 5 PMo 10 V 2 O 40 supported on amine-functionalized MCM-41

Y Li, S Li, Y Kong - RSC advances, 2021 - pubs.rsc.org
Supported catalysts with Keggin type heteropoly acids (H5PMo10V2O40) loaded onto
amine-functionalized MCM-41 for the catalytic hydroxylation of benzene to phenol with …

Polymetallic oxygen cluster intercalated expanded graphite for selective oxidation of methacrolein to methacrylic acid

X Zeng, Y Chong, L Zhou, Z Li, P Yin, Y Hu, J Yun - Molecular Catalysis, 2023 - Elsevier
How to prepare efficient and stable supported POMs catalysts is the key to improve the
catalytic efficiency of POMs. In this work Cs+ and Cu 2+ doped phosphomolybdenum …

Kaolin supported heteropoly acid catalysts for methacrolein oxidation: Insights into the carrier acidity effect on active components

Q Zhu, J Zhu, Y Li, Z Zhang, B Wang, J Ma - Applied Catalysis A: General, 2023 - Elsevier
The application of heteropoly acid catalyst in methacrolein (MAL) oxidation reaction is
limited for its poor thermal stability and few active centers. Here, the supported catalyst of P …

CsCu 0.1 H 2.9 PMo 11 VO 40 catalyst synthesized via a high shear mixer facilitated precipitation method for selective oxidation of methacrolein to methacrylic acid

Y Li, S Wang, Q Wang, M Zhu, W Shan… - Catalysis Science & …, 2023 - pubs.rsc.org
CsCu0. 1H2. 9PMo11VO40 (CsCuHPAV) with Keggin structure was successfully produced
via a high-shear mixer (HSM)-facilitated precipitation method and used as a catalyst for the …

An in situ DRIFTS-MS study on elucidating the role of V in the selective oxidation of methacrolein to methacrylic acid over heteropolyacid compounds

S Chansai, Y Kato, W Ninomiya… - Catalysis Science & …, 2024 - pubs.rsc.org
The role of vanadium in 11-molybdo-1-vanadophosphoric acid (H4PMo11VO40, HPMoV)
has been investigated and compared with 12-modybdophosphoric acid (H3PMo12O40 …

SiO2-Supported DMDAAC-Modified Heteropoly Acid as Highly Active and Stability Catalysts for Methacrolein Oxidation

Q Zhu, Y Yue, X Wang, B Wang, J Zhu… - Industrial & Engineering …, 2024 - ACS Publications
In view of the drawbacks of small specific surface area, poor thermal stability, and easy
decomposition, CsPAV was modified by the organic ammonium source dimethyl diallyl …

Promotion effects of P and S for catalytic oxidation of methacrolein to methacrylic acid over heteroatoms doped carbon catalysts

L Zhou, X Zeng, M Qi, K Li, H Xu, Y Zhong, R Liu… - Chemical Engineering …, 2023 - Elsevier
A series of phosphorus-sulfur co-doped porous carbon catalyst were prepared by
microwave-assisted carbonization for selective oxidation of methacrolein (MAL) to …