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Apparatus for producing biodiesel for vehicle and its preparing method

A biodiesel and production device technology, applied in the preparation of liquid hydrocarbon mixtures, biological raw materials, biofuels, etc., can solve the problems of unsuitability for large-scale industrial production, difficult quality control, long reaction time, etc., and improve recovery efficiency , low cost, low cost of raw materials

Inactive Publication Date: 2009-10-21
亚洲生物燃油(BVI)有限公司
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  • Application Information

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Problems solved by technology

The product quality of this process is not easy to control, it cannot meet the standard of ultra-low sulfur vehicle biodiesel, and it is an intermittent operation mode with long reaction time, which is not suitable for large-scale industrial production
[0009] This shows that the above-mentioned existing technique of utilizing animal and vegetable oils to produce biodiesel obviously still has inconvenience and defects, and needs to be further improved urgently
At the same time, in order to solve the problem of the utilization of waste cooking oil, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time. This is obviously a problem that the relevant industry is eager to solve

Method used

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  • Apparatus for producing biodiesel for vehicle and its preparing method
  • Apparatus for producing biodiesel for vehicle and its preparing method

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Embodiment

[0061] 1. Esterification and transesterification:

[0062] First, 1000 g of dehydrated and miscellaneous catering waste oil (liquid, free fatty acid content is 40%) is mixed with 50 g of acid catalyst sulfuric acid (98%) and 215 g of methanol (98%). The pressure is increased to 0.8MPa by the booster pump 12A, and the temperature is raised to 70-75°C by the heat exchanger 2, which is continuously sent to the first-stage tubular reactor 3, and the reacted material is continuously transferred to the first flash evaporation Tower 4 (operating temperature is 80 ~ 85 ℃), dilute methanol is introduced from the top of the first flash tower 4 into the alcohol fractionation tower 13 to be concentrated into 98% methanol (about 160.5g), and then with the bottom of the first flash tower 4 The materials coming out are mixed, the pressure is increased to 2.0MPa by the booster pump 12B, the temperature is raised to 110°C by the heater 5, and sent to the second-stage tubular reactor 6 for furt...

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Abstract

This invention relates to a production device and its manufacturing method for bio-diesel oil with super-low sulphur used in car, in which, the device includes a first section tubular reactor, a second section tubular reactor, a first flash column, a heater, a heat exchanger, a second flash column, a sedimentation separator, a reduced pressure distillation tower, a neutralization washing tower and a desulfurizer. The method includes feeding raw materials into two sectional pressure tubular reactors into two sectional pressure tubular reactors continuously for reaction putting, the outgoing material of the tubular reactor into the sedimentation separator for separation, feeding the separator into the reduced pressure distillation tower, cutting a cut fraction in a certain temperature sphere to be neutralized, washed and desulfurized to get bio-diesel oil continuously.

Description

technical field [0001] The invention relates to a production device and a manufacturing method of biodiesel for vehicles, in particular to a production device and a manufacturing method for continuously producing ultra-low sulfur biodiesel for vehicles by using waste cooking oil as a raw material. Background technique [0002] Catering waste oil refers to inedible waste oil that is discarded by food oil processing enterprises or separated from restaurant wastewater. [0003] Food waste oil is basically edible oil that has been fried or fried at high temperature. After repeated high-temperature frying, fats and oils can undergo a series of reactions such as thermal oxidation, thermal cracking, and thermal polymerization, resulting in the production of many harmful substances, and the same nutritional value is significantly reduced. The deep oxidation of oil can decompose more than one hundred kinds of harmful substances. Some of these decomposition products are very toxic an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G3/00
CPCY02E50/13Y02E50/10Y02P30/20
Inventor 丁志源杨学风温明
Owner 亚洲生物燃油(BVI)有限公司
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