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Method for preparing biologic diesel oil from seeds of Mono Maple

A technology for biodiesel and ingot maple seeds is applied in the field of preparing biodiesel from ingot maple seeds, which can solve problems such as being in the research stage, and achieve the effects of easy planting, increased economic benefits, and simple preparation method.

Inactive Publication Date: 2009-06-10
陕西七彩生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production of biodiesel from woody oil plants is the direction of biodiesel development. Woody oil plants include jatropha, pistachio, tung tree, Wenguang fruit tree, ingot maple and other plants, but most of them are still in the research stage

Method used

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  • Method for preparing biologic diesel oil from seeds of Mono Maple
  • Method for preparing biologic diesel oil from seeds of Mono Maple

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Preparation of Yuanbao maple oil:

[0025] Shelling: control the moisture content of the maple seeds within 8-12% (moisture adjustment is the key to ensure the yield), enter the shelling machine dedicated to maple seeds for peeling, and after the treatment, the shells will be separated by winnowing After the kernel is separated, Yuanbao Fengren is obtained.

[0026] Oil extraction: adjust the water content of the shelled and separated Yuanbao maple kernels to control the water content within the range of 8-10%, and use a 90-type oil press to extract the oil, and the oil yield is more than 85%.

[0027] (2) Transesterification and supplementary esterification: Mix 100 parts of Yuanbao maple oil with 40 parts of anhydrous methanol and 2 parts of sodium hydroxide, and reflux esterification on a constant temperature water bath at 70 ° C. The stirring speed is about 60 rpm, and the reaction time is After 2 hours, add 6 parts of concentrated sulfuric acid and continue to...

Embodiment 2

[0032] (1) Preparation of Ingot Maple Oil: Same as Example 1.

[0033] (2) Transesterification and supplementary esterification: Mix 100 parts of Yuanbao maple oil with 35 parts of anhydrous methanol and 2 parts of potassium hydroxide, and reflux esterification on a constant temperature water bath at 75 ° C. The stirring speed is about 60 rpm, and the reaction time is After 2.5 hours, add 5 parts of concentrated sulfuric acid and continue the reaction for 2.5 hours. After the reaction, wash with water to remove by-products.

[0034] (3) Alkali refining: Add 0.08% of its weight and a sodium carbonate solution with a content of 5% in the reaction product, after adding at 70°C, quickly heat up to 90°C according to the speed of 1°C / hour, stir while heating, until Incubate at 90°C for 3 hours, the stirring speed is 50 / min in the mixing and heating stage, and 15r / min in the heat preservation stage, let the soap grains separate completely for precipitation, wash with warm water sever...

Embodiment 3

[0038] (1) Preparation of Ingot Maple Oil: Same as Example 1.

[0039] (2) Transesterification and supplementary esterification: Mix 100 parts of Yuanbao maple oil with 40 parts of anhydrous methanol and 1.5 parts of sodium hydroxide, and reflux esterification in a constant temperature water bath at 72 °C, with a stirring speed of about 60 rpm and a reaction time of After 2 hours, 5 parts of concentrated sulfuric acid was added, and the reaction was continued for 2.5 hours. After the reaction was completed, by-products were washed with water.

[0040] (3) Alkali refining: add 0.1% of its weight to the reaction product, and a sodium hydroxide solution with a content of 4%, after adding at 70°C, quickly heat up to 90°C at a speed of 1°C / hour, stir while heating, Keep warm at 90°C for 8 hours, the stirring speed is 60r / min in the mixing and heating stage, and 20r / min in the heat preservation stage, let the soap grains separate completely for precipitation, wash with warm water se...

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Abstract

This invention relates to a method for preparing biodiesel oil from Acer truncatum seeds. The method comprises: (1) preparing Acer truncatum oil; (2) performing interesterification and supplementary esterification reactions; (3) refining with alkali; (4) flash-evaporating the crude methyl ester layer under 1000-2000 Pa for dehydration, and collecting the 135-220 deg.C fraction under 1-200 Pa to obtain biosiesel oil. The method avoids edible vegetable oils such as rapeseed oil and soybean oil as the raw materials, and has such advantages as abundant raw materials, simple process, and high yield.

Description

technical field [0001] The invention relates to the technical field of biodiesel preparation technology, in particular to a method for preparing biodiesel from maple ingot seeds. Background technique [0002] At present, the raw materials for domestic production of biodiesel vary, and most of them are by-products left after processing edible vegetable oils and fats such as rapeseed oil and soybean oil. At the present stage, using rapeseed oil, soybean oil and other edible vegetable oils as raw materials for production is to seize food from the population, which is a project not supported by the state; while using the remaining by-products after oil processing as raw materials, the source of raw materials is very limited . The production of biodiesel from woody oil plants is the direction of biodiesel development. Woody oil plants include jatropha, pistachio chinensis, tung tree, Wenguang fruit tree, ingot maple and other plants, but most of them are still in the research st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G3/00C11B1/00C11C3/10
CPCY02E50/13Y02E50/10Y02P30/20
Inventor 罗永珠任玉馨王性炎
Owner 陕西七彩生物科技有限公司
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