Hydrodeoxidation method for preparing biodiesel
A technology of hydrodeoxygenation and biodiesel, which is applied in the fields of biofuel, petroleum industry, and fat production, can solve the problems of high cloud point and poor low temperature fluidity of biodiesel, and achieve the effect of convenient and reliable operation, simple process and high quality.
Inactive Publication Date: 2016-06-08
SHANDONG LIANXING ENERGY GRP CO LTD
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Problems solved by technology
[0002] Biodiesel, as a renewable energy that has attracted much attention at present, is the most potential alternative fuel for petrochemical diesel. There are many methods for preparing biodiesel on the market, and now the main method is to use hydrodeoxygenation technology, and the current preparation of biodiesel is turbid. High point, poor low temperature fluidity
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[0012] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0013] refer to figure 1 , the present specific embodiment adopts the following technical scheme: the hydrodeoxygenation method for preparing biodiesel, which comprises the following steps: 1, first deoxidizing the oil raw material; 2, then separating water and carbon dioxide through a separator; 3, separating the oil and then Selective hydrogenation is carried out, and finally the product is separated; 4. The product is separated into light gas, jet fuel, diesel fuel, hydrogen and oil, and the oil is subjected to the above-mentioned recycling treatment.
[0014] It is worth noting that catalysts Co-Mo and Ni-Mo are also added in the step (1), and the reaction temperature is 240-380°C. The catalysts are all active for the hydrogenation conversion...
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The invention discloses a hydrodeoxidation method for preparing biodiesel. The method comprises the following steps: 1. deoxidizing an oil raw material; 2. separating water and carbon dioxide by a separator; 3. carrying out oil separation, carrying out selective hydrogenation, and finally, carrying out product separation; and 4. separating light combustible gas, jet fuel, diesel fuel, hydrogen gas and oil from the product, and carrying out circular treatment above on the oil. By carrying out catalytic hydrogenation on the animal and vegetable oil to produce the non-fatty acid methyl ester biodiesel, the method is simple in technique, and convenient and reliable to operate. The produced biodiesel has high quality.
Description
technical field [0001] The invention relates to a method for preparing biodiesel by hydrodeoxygenation, in particular to a method for preparing biodiesel by hydrodeoxygenation. Background technique [0002] Biodiesel, as a renewable energy that has attracted much attention at present, is the most potential alternative fuel for petrochemical diesel. There are many methods for preparing biodiesel on the market, and now the main method is to use hydrodeoxygenation technology, and the current preparation of biodiesel is turbid. High point, poor low temperature fluidity. [0003] Therefore, a new hydrodeoxygenation technology for preparing biodiesel is needed. Contents of the invention [0004] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a hydrodeoxygenation method for preparing biodiesel, which greatly improves the preparation effect of biodiesel and improves the quality of biodiesel. [0005] In order to achieve the above ...
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IPC IPC(8): C10L1/00C10L3/10C11B1/00C11B1/02
CPCC10G2300/1018C10G2300/202C10L1/00C10L3/10C10L2200/0476C11B1/00C11B1/02Y02E50/10
Inventor 车春玲
Owner SHANDONG LIANXING ENERGY GRP CO LTD