Preparation method of solid catalyst and production method of biodiesel

The invention relates to a preparation method and application of a solid catalyst for producing biodiesel, and belongs to the field of application of catalytic materials and oleochemical industry. The preparation method comprises the following steps: S1, weighing a certain mass of calcium nitrate an...

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Bibliographische Detailangaben
Hauptverfasser:	REN CHANGZAI, YU HEWEI, LIANG XIAOHUI, SUN JICHAO, WANG BING, ZHANG PEISEN, SI HONGYU, GAO MINGJIE, CHEN XIUXIU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DETERGENTS FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS,OILS, OR FATTY ACIDS OBTAINED THEREFROM FATTY ACIDS FROM FATS, OILS OR WAXES FATTY ACIDS THEREFROM FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a preparation method and application of a solid catalyst for producing biodiesel, and belongs to the field of application of catalytic materials and oleochemical industry. The preparation method comprises the following steps: S1, weighing a certain mass of calcium nitrate and/or calcium nitrate hydrate, zinc nitrate and/or zinc nitrate hydrate, zirconium nitrate and/or zirconium nitrate hydrate, and dissolving in deionized water to obtain a solution; s2, adding urea into the solution obtained in S1, stirring, carrying out hydrothermal reaction, and drying to obtain a solid; and S3, carrying out high-temperature activation on the solid obtained in S2, and then grinding to obtain the solid catalyst. Wherein the molar ratio ranges of Zn, Ca and Zr in the S1 are (1-4): 4: 4 and 4: 4: 2. The prepared solid catalyst is an amphoteric solid catalyst with acid-base dual functions, and has the characteristics of low component loss and wide application range of free fatty acid content in raw oil