Highly Efficient Nano-Catalysts Using Activated Carbon as a Support for One-Step Oxidation of Cyclohexane to Adipic Acid

2013 ◽  
Vol 562-565 ◽  
pp. 754-759 ◽  
Author(s):  
Huan Dai ◽  
Ming Qiao Zhu ◽  
Wei Li ◽  
Zhang Fa Tong
Keyword(s):  
Activated Carbon ◽  
Liquid Phase ◽  
Adipic Acid ◽  
Potential Application ◽  
Step Method ◽  
Efficient Catalyst ◽  
Highly Efficient ◽  
Phase Oxidation ◽  
One Step ◽  
Nano Catalysts

A new route to substitute for the traditional two-step method for adipic acid production has been investigated. Supported nano metal catalysts Au/C and Co/C were prepared and used for liquid phase oxidation of cyclohexane to adipic acid with oxygen as an oxidant. These catalysts were characterized by XRD, TEM and ICP-AES. The reactions were carried out in an autoclave with solvent and radical initiator at 373~423K and 1.5 MPa. Au/C (1.25%) was found to be a highly efficient catalyst for the oxidation of cyclohexane with a high conversion (44.93%) of cyclohexane and more than 54.85% selectivity to adipic acid. It is indicated that there was a potential application prospect for the nano-catalysts in one-step oxidation of cyclohexane to adipic acid.

The highly efficient and stable Cu, Co, Zn-porphyrin–TiO 2 photocatalysts with heterojunction by using fashioned one-step method

2017 ◽  
Vol 136 ◽  
pp. 648-656 ◽  
Author(s):  
Xin Zhao ◽  
Xiao Liu ◽  
Mimi Yu ◽  
Chen Wang ◽  
Jun Li
Keyword(s):  
Step Method ◽  
Highly Efficient ◽  
One Step

Surface activated carbon nitride nanosheets with optimized electro-optical properties for highly efficient photocatalytic hydrogen production

2016 ◽  
Vol 4 (7) ◽  
pp. 2445-2452 ◽  
Author(s):  
Mohammad Ziaur Rahman ◽  
Jingrun Ran ◽  
Youhong Tang ◽  
Mietek Jaroniec ◽  
Shi Zhang Qiao
Keyword(s):  
Optical Properties ◽  
Activated Carbon ◽  
Hydrogen Production ◽  
Carbon Nitride ◽  
Surface Activation ◽  
Step Method ◽  
Highly Efficient ◽  
Thin Carbon ◽  
Carbon Nitride Nanosheets ◽  
First Time

We introduce a three-step method (co-polymerization, surface activation and exfoliation) for the first time to synthesize sub-nanometer-thin carbon nitride nanosheets as highly efficient hydrogen evolution photocatalysts.

NiFePd/UiO-66 nanocomposites as highly efficient catalysts to accelerate hydrogen evolution from hydrous hydrazine

2019 ◽  
Vol 6 (10) ◽  
pp. 2727-2735 ◽  
Author(s):  
Xue Song ◽  
Pan Yang ◽  
Jingchuan Wang ◽  
Xiaochong Zhao ◽  
Yuanlin Zhou ◽  
...  
Keyword(s):  
Hydrazine Hydrate ◽  
Hydrogen Evolution ◽  
Hydrogen Generation ◽  
Low Cost ◽  
Efficient Catalyst ◽  
Highly Efficient ◽  
High Efficient ◽  
Nano Catalysts

NiFe nano-catalysts modified by the dopant of Pd were reducted on UiO-66 by NaBH4, which have been used as a low cost and high efficient catalyst with outstanding activity and durability for hydrogen generation from the decomposition of hydrazine hydrate.

One step synthesis of silane-capped copper clusters as a sensitive optical probe and efficient catalyst for reversible color switching

RSC Advances ◽  
2016 ◽  
Vol 6 (45) ◽  
pp. 38897-38905 ◽  
Author(s):  
Shaochen Zhou ◽  
Yingxuan Li ◽  
Fu Wang ◽  
Chuanyi Wang
Keyword(s):  
Methylene Blue ◽  
Redox Reactions ◽  
Optical Probe ◽  
Switching System ◽  
Efficient Catalyst ◽  
Copper Clusters ◽  
Highly Efficient ◽  
One Step ◽  
Color Switching

Luminescent silane-functionalized copper clusters are developed as a highly efficient catalyst to build up a recyclable and photoreversible color switching system based on the redox reactions of methylene blue.

Role of cobalt molecular sieves in the liquid-phase oxidation of cyclohexane to adipic acid

1998 ◽  
Vol 94 (12) ◽  
pp. 1761-1764 ◽  
Author(s):  
Inès Belkhir ◽  
Alain Germain ◽  
François Fajula ◽  
Eric Fache
Keyword(s):  
Liquid Phase ◽  
Adipic Acid ◽  
Molecular Sieves ◽  
Liquid Phase Oxidation ◽  
Phase Oxidation
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