Method for preparing amyl alcohol from 2-methylfuran at room temperature by adopting supported catalyst

A technology of supported catalyst and methyl furan, which is applied in chemical instruments and methods, preparation of hydroxyl compounds, preparation of organic compounds, etc., can solve problems such as impact, achieve environmental friendliness, mild reaction conditions, and reduce energy consumption

Inactive Publication Date: 2021-12-07
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although many advances have been made, these processes ar...

Method used

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  • Method for preparing amyl alcohol from 2-methylfuran at room temperature by adopting supported catalyst
  • Method for preparing amyl alcohol from 2-methylfuran at room temperature by adopting supported catalyst
  • Method for preparing amyl alcohol from 2-methylfuran at room temperature by adopting supported catalyst

Examples

Experimental program
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Embodiment 1

[0048] (1) Add 2 g of multi-walled carbon nanotubes and 200 mL of nitric acid into a round bottom flask, install the round bottom flask in an oil bath, stir at 120° C., condense and reflux for 4 hours. After the purification, deionized water was quickly added to cool down and the acid concentration was diluted, and the suction-filtered carbon nanotubes were repeatedly washed until the final filtrate was neutral, and dried in an oven at 70°C for 12 hours. Take out the dried carbon nanotubes, put them into a mortar for grinding, and sieve through a 100-mesh standard sieve to make a carbon nanotube carrier;

[0049] (2) Take tetraamine platinum nitrate (Pt(NH 4 ) 4 (NO 3 ) 2 )5g was dissolved in 100mL of deionized water, and prepared as a platinum precursor solution (Pt: 25.19mg / mL) for later use;

[0050] (3) Weigh 950 mg of multi-walled carbon nanotube carrier, spread it evenly on the mortar, take 2 mL of platinum precursor solution (taken before oscillating and ultrasonica...

Embodiment 2

[0054] Embodiment 2: the difference between this embodiment and embodiment 1 is: the reaction time is 15min, and others are the same as embodiment 1.

Embodiment 3

[0055] Embodiment 3: the difference between this embodiment and embodiment 1 is: the reaction time is 30min, and others are the same as embodiment 1.

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Abstract

The invention provides a method for preparing amyl alcohol from 2-methylfuran at room temperature by adopting a supported platinum-based catalyst. Influences of various catalyst carriers, active metals, metal loading capacity and reaction conditions (solvents, time, pressure and the like) are investigated. The acid treatment time of a 5 wt% Pt/MWNT catalyst on MWNT is 4 hours, the catalyst shows excellent activity and selectivity under the H2 pressure of 1 MPa and at the ultralow temperature of 25 DEG C, the 2-MF conversion rate is 100%, and the pentanol (POLs) yield is 53%. A brand new route is provided for synthesis of pentanol, and compared with a traditional synthesis process route, the process route is simple in preparation process, milder in reaction condition, capable of greatly reducing energy consumption and more environmentally friendly. The Pt/MWNT catalyst provided by the invention has good reusability, and shows wide potential in industrial application.

Description

technical field [0001] The invention belongs to the field of biomass energy catalysis, and relates to a method for preparing pentanol by selectively cracking C-O from 2-methylfuran at room temperature by using a supported catalyst. Background technique [0002] As the largest renewable carbon resource, lignocellulosic biomass has attracted great interest in the efficient conversion of lignocellulosic biomass into chemical products with high added value, which can alleviate the heavy dependence on fossil resources and alleviate the associated environmental impact. In particular, much work has been devoted to upgrading lignocellulose-derived furan derivatives, such as 2-methylfuran (2-MF), into fuels and valuable chemicals. [0003] Pentanols (POLs), due to their unique properties such as relatively low viscosity and high volatility, have been widely used as fuel additives, food additives, and organic solvents. Traditionally, pentanol is produced by biological enzyme ferment...

Claims

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Application Information

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IPC IPC(8): C07C29/00C07C31/125B01J23/42
CPCC07C29/00B01J23/42C07C31/125
Inventor 王川吴敏张斌汪婷
Owner NANJING UNIV OF TECH
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