Q1 Research Application · Frontier Focus

Ultrasonic-assisted preparation of ultrafine Pd nanocatalysts loaded on Cl−-intercalated MgAl layered double hydroxides for the catalytic dehydrogenation of dodecahydro-N-ethylcarbazole

This Ultrasonics Sonochemistry paper (2022) is indexed as a Xianghu equipment application case for XH-2008D; key results include Dehydrogenation efficiency 99.3%, Dehydrogenation efficiency 94.6%, Average particle size 1.8 nm, and Conversion 100.0%.

View DOI Back to Library Chinese Solution
Paper ID 516
Application Focus layered double hydroxides, N-
Key Result Average particle size 1.8 nm
Core Condition Temperature 180 ℃
Paper ID
516
Journal
Ultrasonics Sonochemistry
Impact Factor
9.336
CAS Zone
Zone 1
Year
2022
DOI
10.1016/j.ultsonch.2022.106097
Equipment Model
XH-2008D
Affiliations
INSTITUTE OF PETROCHEMISTRY HEILONGJIANG ACADEMY OF SCIENCES; School of Chemistry and Material Sciences, Heilongjiang University; National Center for International Research on Catalytic Technology; Institute of Petrochemistry, Heilongjiang Academy of Sciences
Research Directions
layered double hydroxides N-

Fact Snapshot

  • Paper: Ultrasonic-assisted preparation of ultrafine Pd nanocatalysts loaded on Cl−-intercalated MgAl layered double hydroxides for the catalytic dehydrogenation of dodecahydro-N-ethylcarbazole
  • Equipment: XH-2008D
  • Source: Ultrasonics Sonochemistry, 2022
  • Research direction: layered double hydroxides and N-
  • Core conditions: Temperature 180 ℃
  • Key results: Dehydrogenation efficiency 99.3%, Dehydrogenation efficiency 94.6%, Average particle size 1.8 nm, and Conversion 100.0%

Research Abstract

Ultrasonic-assisted preparation of ultrafine Pd nanocatalysts loaded on Cl−-intercalated MgAl layered double hydroxides for the catalytic dehydrogenation of dodecahydro-N-ethylcarbazole was published in Ultrasonics Sonochemistry (2022) and is indexed as a Xianghu Q1 application case for XH-2008D. The source record connects it with layered double hydroxides and N-. Core operating conditions include Temperature 180 ℃. Key reported results include Dehydrogenation efficiency 99.3%, Dehydrogenation efficiency 94.6%, Average particle size 1.8 nm, and Conversion 100.0%.

Research Background and Problem

The paper is positioned around layered double hydroxides and N-. The equipment record identifies XH-2008D as the Xianghu instrument context for this application case. The source affiliation record includes INSTITUTE OF PETROCHEMISTRY HEILONGJIANG ACADEMY OF SCIENCES and School of Chemistry and Material Sciences, Heilongjiang University.

Equipment Use and Experimental Conditions

ItemParameter
Temperature180 ℃

Key Result

Average particle size 1.8 nm
Conversion 100.0%
Dehydrogenation efficiency 99.3%
Dehydrogenation efficiency 94.6%
MetricResult
Average particle size1.8 nm
Conversion100.0%
Dehydrogenation efficiency99.3%
Dehydrogenation efficiency94.6%

Evidence Details

Activation-energy evidence

Activation-energy evidence: source values include 165-180 °C, 90.97 kJ/mol. Entities: LDHs-us, H12-NEC.

Equipment-detail evidence

Catalyst preparation was carried out in the XH-2008D ultrasonic reactor, which was provided by Beijing Xianghu Science & Technology Development Co., ltd. The diameter of titanium alloy probe was 18 mm and the ultrasonic frequency was 25 kHz.

Activation-energy evidence

Activation-energy evidence: source values include 90.97 kJ/mol.

Source evidence

Using Pd/LDHs-us catalyst, the conversion rate of H12-NEC was 100.0 %, and the dehydrogenation efficiency was 99.3 % at 180℃. When the reaction temperature drops to 170℃, the dehydrogenation efficiency can still reach 94.6 %.

Source evidence

Pd/LDHs-us represents the optimal catalyst prepared under the conditions of ultrasonic power of 200 W, time of 80 min and Pd loading amount of 2.5 wt%.

Additional source evidence

Additional source evidence: source values include 1.8 nm, 80%.

Additional source evidence

Additional source evidence: source values include 170-180 °C.

Mechanism / Method Highlights

  • Method context: Temperature 180 ℃.
  • Activation-energy evidence: source values include 165-180 °C, 90.97 kJ/mol. Entities: LDHs-us, H12-NEC
  • Equipment-detail evidence: Catalyst preparation was carried out in the XH-2008D ultrasonic reactor, which was provided by Beijing Xianghu Science & Technology Development Co., ltd. The diameter of titanium alloy probe was 18 mm and the ultrasonic frequency was 25 kHz
  • Activation-energy evidence: source values include 90.97 kJ/mol
  • Reported outcome: Dehydrogenation efficiency 99.3%, Dehydrogenation efficiency 94.6%, Average particle size 1.8 nm, and Conversion 100.0%.

Application Value

  • Provides a peer-reviewed SoarNova / Xianghu Q1 application case for XH-2008D.
  • Supports English discovery around layered double hydroxides and N-.
  • Preserves quantitative result evidence: Dehydrogenation efficiency 99.3%, Dehydrogenation efficiency 94.6%, Average particle size 1.8 nm, and Conversion 100.0%.
  • Maintains source-level evidence details: Activation-energy evidence: source values include 165-180 °C, 90.97 kJ/mol. Entities: LDHs-us, H12-NEC, Equipment-detail evidence: Catalyst preparation was carried out in the XH-2008D ultrasonic reactor, which was provided by Beijing Xianghu Science & Technology Development Co., ltd. The diameter of titanium alloy probe was 18 mm and the ultrasonic frequency was 25 kHz, Activation-energy evidence: source values include 90.97 kJ/mol, and Source evidence: Using Pd/LDHs-us catalyst, the conversion rate of H12-NEC was 100.0 %, and the dehydrogenation efficiency was 99.3 % at 180℃. When the reaction temperature drops to 170℃, the dehydrogenation efficiency can still reach 94.6 %.

Related Equipment

XH-2008D Intelligent Temperature-Controlled Low-Temperature Ultrasonic Catalytic Synthesis/Extraction System
XH-2008D Intelligent Temperature-Controlled Low-Temperature Ultrasonic Catalytic Synthesis/Extraction System

FAQ

Which Xianghu instrument is covered by this page?
The structured source records XH-2008D for this paper.
What is the main application direction?
The source tags this paper under layered double hydroxides and N-.
Which publication does this case come from?
It comes from Ultrasonics Sonochemistry (2022), DOI 10.1016/j.ultsonch.2022.106097.
Citation
Ultrasonic-assisted preparation of ultrafine Pd nanocatalysts loaded on Cl−-intercalated MgAl layered double hydroxides for the catalytic dehydrogenation of dodecahydro-N-ethylcarbazole
Ultrasonics Sonochemistry, 2022
DOI: 10.1016/j.ultsonch.2022.106097