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Preparation method of immobilized catalytic particle metal felt for producing biodiesel

A technology of biodiesel and metal felt, applied in chemical instruments and methods, physical/chemical process catalysts, biofuels, etc., can solve the problems of reduced service life, achieve long service life, solve the effects of low operating temperature and easy control

Active Publication Date: 2018-06-29
HENAN INST OF ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use temperature of the polymer film is only 200-300°C, which is not suitable for some reactions with high temperature requirements, and the polymer film is easy to dissolve or swell in the solvent or reactant, which reduces its service life

Method used

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  • Preparation method of immobilized catalytic particle metal felt for producing biodiesel
  • Preparation method of immobilized catalytic particle metal felt for producing biodiesel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1: The preparation method of the solid-supported catalytic particle metal felt for producing biodiesel

[0037] 1) Set the porosity to 60% and the specific surface area to 1000m 2 / g of stainless steel metal felt was soaked in absolute ethanol, ultrasonically cleaned for 15 min, then ultrasonically cleaned with deionized water for 15 min, and dried for later use.

[0038] 2) ZrOCl 2 ·8H 2 O and Zn(NO 3 ) 2 ·6H 2 O was formulated into an aqueous solution according to a molar ratio of 1:1, and the pH of the aqueous solution was adjusted to 9-10 with concentrated ammonia water under magnetic stirring to obtain a mixture with flocculent precipitates, and the mixture was aged at room temperature for 24 hours. Suction filtration, washing to no Cl - , and finally carry out suction filtration to obtain a filter cake, put the filter cake in a drying oven and dry at 110 °C for 12 hours to obtain a powder, take it out and cool it to room temperature, grind the po...

Embodiment 2

[0040] Embodiment 2: The preparation method of the solid-supported catalytic particle metal felt for producing biodiesel

[0041] The difference of Example 1 is: the ZrOCl 2 ·8H 2 O and Zn(NO 3 ) 2 ·6H 2 The molar ratio of O is: 2:1, and finally the solid-loaded SO is obtained 4 2- / ZrO 2 -The metallic felt of ZnO catalytic particle; All the other are identical with embodiment 1.

Embodiment 3

[0042] Embodiment 3: The preparation method of the solid-supported catalytic particle metal felt for producing biodiesel

[0043] Different from Example 1: with Fe (NO 3 ) 3 9H 2 O replaces the Zn in the embodiment 1 (NO 3 ) 2 ·6H 2 O, and finally get the immobilized SO 4 2- / ZrO 2 -Fe 2 o 3 The metallic felt of catalytic particle; All the other are identical with embodiment 1.

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Abstract

The invention discloses a preparation method of an immobilized catalytic particle metal felt for producing biodiesel, aiming at solving the problems of an existing catalyst that the stability is poor,the service life is short and the catalytic efficiency is low. The preparation method comprises the following steps: carrying out ultrasonic washing on the metal felt with absolute ethyl alcohol andwater, and drying; preparing ZrOCl2.8H2O and nitrate into a mixed water solution; stirring and adding ammonia water until the pH (Potential of Hydrogen) is 9 to 10, so as to obtain flocculent sediment; standing at room temperature; then filtering and washing until no Cl<-> exists so as to obtain a filter cake; drying and grinding to obtain a powdered material; adding the powdered material into anH2SO4 solution to form a mixture; adding the dried metal felt into the mixture; after immersing, drying; roasting under an inert atmosphere at 400 to 600 DEG C for 3 to 7h to obtain the immobilized catalytic particle metal felt. The immobilized catalytic particle metal felt prepared by the preparation method has the advantages of high catalytic efficiency and mechanical strength, good stability and long service life; the preparation method has a simple technology and industrialized production is easy to realize.

Description

technical field [0001] The invention relates to the technical field of biodiesel catalysis, in particular to a method for preparing a metal felt with solid-carrying catalytic particles for producing biodiesel. Background technique [0002] Biodiesel is a fatty acid alkyl monoester produced by transesterification of triglycerides with short-chain alcohols. Biodiesel has the advantages of non-toxicity, cleaner combustion process, and good biodegradability. It is a clean and green fuel that can replace ordinary diesel. At present, the polymer membrane catalysis method is a better method in the preparation of biodiesel. As a kind of heterogeneous catalysis method, polymer membrane catalysis overcomes many shortcomings of heterogeneous catalysts through membrane material design and catalyst loading capacity regulation, and has many advantages, such as: high catalytic activity of polymer membranes , good selectivity, less product post-processing, no pollution to the environment ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/053B01J27/055B01J35/10C10L1/02C11C3/10
CPCC10L1/02C11C3/10B01J27/053B01J27/055B01J35/617Y02E50/10
Inventor 石文英李红宾孙茂文秦龙威
Owner HENAN INST OF ENG
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