A kind of preparation method of algae oil production hydrocarbon fuel

A technology for producing hydrocarbons and algae oil, which is used in the preparation of liquid hydrocarbon mixtures, biological raw materials, petroleum industry, etc., can solve the problems of poor ignition performance, high viscosity, low calorific value, etc., and achieves high deoxygenation rate and liquid hydrocarbon yield. , mild reaction conditions, high catalytic activity

Inactive Publication Date: 2016-08-10
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High oxygen content will cause poor storage stability, high viscosity, low calorific value and poor ignition performance of the oil, thus limiting its application

Method used

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  • A kind of preparation method of algae oil production hydrocarbon fuel
  • A kind of preparation method of algae oil production hydrocarbon fuel
  • A kind of preparation method of algae oil production hydrocarbon fuel

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preparation example Construction

[0014] The invention discloses a preparation method for producing hydrocarbon fuel from algae oil. The method comprises the following steps: in a nitrogen atmosphere, transporting oily compounds to a tubular reactor equipped with a loaded molybdenum catalyst through a pump to carry out catalytic decarboxylation reaction to obtain hydrocarbon fuel; the reaction atmosphere of the decarboxylation and deoxygenation reaction is nitrogen, the reaction pressure is normal pressure, the reaction temperature is 300-360°C, the reaction time is 1.5-3.0h, and the feed rate is 0.03-0.30g / (cm 2 ﹒ min); wherein the supported molybdenum catalyst uses molybdenum as the active metal and activated carbon as the catalyst carrier.

[0015] In the present invention, the oil is extracted from microalgae.

[0016] The supported molybdenum catalyst uses metal molybdenum as an active component, and at the same time, the catalyst carrier uses activated carbon with a large specific surface area, and th...

Embodiment 1

[0022] Add 30 g of ammonium molybdate tetrahydrate into 100 mL of distilled water, stir and dissolve to obtain ammonium molybdate aqueous solution.

[0023] Add 20 g of dried activated carbon carrier into the ammonium molybdate solution, stir and impregnate at 25°C for 2h, let it stand overnight, remove the supernatant by suction filtration, and dry the obtained filter cake to constant weight at 70°C, and its press figure 1 The process shown is packed into a tubular reactor. Calcination at 400 °C for 2 h with nitrogen, and reduction with hydrogen at 400 °C for 3 h to obtain a Mo-C catalyst with a loading rate of 40%.

Embodiment 2

[0025] Add 20 g of ammonium molybdate tetrahydrate into 100 mL of distilled water, stir and dissolve to obtain ammonium molybdate aqueous solution.

[0026] 20 g of dried activated carbon carrier was added to the ammonium molybdate solution, and other operations were the same as in Example 1 to obtain a Mo-C catalyst with a loading rate of 27%.

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Abstract

The invention discloses a preparation method for producing hydrocarbon fuel from algae oil. The method comprises the following steps: in a nitrogen atmosphere, oil and fat compounds are pumped to a tubular reactor equipped with a supported molybdenum catalyst for catalytic decarboxylation reaction to obtain hydrocarbon fuel; the reaction atmosphere of the decarboxylation and deoxygenation reaction is nitrogen, the reaction pressure is normal pressure, the reaction temperature is 300-360 ° C, the reaction time is 1.5-3.0h, and the feed rate is 0.03-0.30g / (cm 2 ﹒ min); wherein the supported molybdenum catalyst uses molybdenum as the active metal and activated carbon as the catalyst carrier. Compared with the prior art, since the present invention adopts a supported molybdenum catalyst with activated carbon as a carrier, its catalytic activity is high, the reaction conditions are mild (the reaction does not require hydrogen, and can be carried out under normal pressure), the conversion rate of raw materials and the deoxidation The yield and liquid hydrocarbon yield are higher.

Description

technical field [0001] The invention relates to the technical field of biomass energy preparation, in particular to a preparation method for producing hydrocarbon fuel from algae oil. Background technique [0002] With the rapid development of industry and economy, energy shortages and environmental problems are becoming more and more serious. It is an urgent problem for human beings to seek a clean, renewable and new energy that can replace fossil energy. Among various new energy sources such as solar energy, wind energy, geothermal energy, and biomass energy, biomass energy is the only new energy that can produce liquid fuels. [0003] There are three main ways to produce biomass energy: animal, plant and microbial oils produce biodiesel through transesterification technology, starch and cellulose produce fuel ethanol through fermentation, and wood chips and straw produce bio-oil through thermal / catalytic cracking. The main component of biodiesel is fatty acid methyl este...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G3/00
CPCY02P30/20
Inventor 陆向红计建炳卢美贞刘洋
Owner ZHEJIANG UNIV OF TECH
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