Unlock instant, AI-driven research and patent intelligence for your innovation.

A Refining Process of Super High Acid Value Crude Oil

A technology of ultra-high acid and crude oil, applied in the direction of fat oil/fat refining, fat production, etc., can solve the problems of serious loss, large nutrient loss, too long time, etc., to improve the quality of intermediate products, improve micronutrient components, micronutrients The effect of improving nutrients

Active Publication Date: 2021-01-05
RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the existing method, due to the serious emulsification of high acid value oil in the degumming and washing process, the degumming effect is poor and the loss is serious; because the degumming oil has too high acid value and poor quality, the clay is easy to be poisoned during the decolorization process. The consumption of white clay is too large, the loss of micronutrients in the oil is too large, and the decolorization effect is not good; because the degumming and decolorization effect is not good, and the acid value of the decolorized oil is too high, the deodorization process takes too long, the nutrient loss is huge, and the deodorized oil Severe color reversion not only makes the quality of refined oil poor, but also makes the processing cost high; due to serious color reversion, secondary refining is frequent, which not only further reduces economic benefits, but also makes it impossible to effectively improve product quality

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Refining Process of Super High Acid Value Crude Oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: Heat the ultra-high acid value crude oil to 50°C, add 75% or 85% phosphoric acid according to the amount of 4kg per ton of crude oil, after rapid stirring, continue to stir and react for 30min; The amount of alkali added, add 22% NaOH solution through a mixer, and continuously stir for 30 minutes; add 10% NaCl solution according to 10% of the crude oil mass, continue to stir for 10 minutes, heat to 75 ° C, and desoap (stand for precipitation or centrifugation); after soap removal, add 50% citric acid solution according to 0.05% of the mass of crude oil, and after continuous stirring for 30min, add 10% NaCl solution according to 10% of the mass of crude oil, and the temperature of NaCl solution is 80°C. Mix the oil evenly with the NaCl solution, separate the oil from the water, and dry it in vacuum with a vacuum degree of 20mmHg; heat the dried oil to 100°C, and vacuum decolorize it for 25 minutes; heat the decolorized oil to 210°C, and send it to the deacidifi...

Embodiment 2

[0024] Example 2: Heat the ultra-high acid value crude oil to 50°C, add 75% or 85% phosphoric acid according to the amount of 3kg per ton of crude oil, after rapid stirring, continue to stir and react for 60min; The amount of alkali added, add 24% NaOH solution through a mixer, and continuously stir for 20 minutes; add 10% NaCl solution according to 10% of the crude oil mass, continue to stir for 10 minutes, heat to 80 ° C, and desoap (stand for precipitation or centrifugation); after soap removal, add 50% citric acid solution according to 0.05% of the mass of crude oil, and after continuous stirring for 30min, add 10% NaCl solution according to 10% of the mass of crude oil, and the temperature of NaCl solution is 85°C. Mix the oil evenly with NaCl solution, separate the oil from water, and dry in vacuum with a vacuum degree of 10mmHg; heat the dried oil to 110°C, and vacuum decolorize for 35min; heat the decolorized oil to 220°C, and send it to the deacidification tower for de...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a refining technology for crude oil with an ultrahigh acid value. The technology comprises the following steps: heating the crude oil with the ultrahigh acid value to be 50 DEG C, and adding 75% or 85% of phosphoric acid to the crude oil according to 3-4 kg per ton; (2) adding NaOH solution through a mixer; (3) adding NaCl solution according to 5% of the crude oil mass, heating and desoponificating; (4) adding citric acid solution according to 0.05% of the crude oil mass, and adding the NaCl solution; (5) uniformly mixing the NaCl solution and oil, separating the oil and water, and vacuum-drying; (6) heating the dried oil, and vacuum-decoloring; (7) heating the decolored oil, continuously heating after the deacidification, and deodorizing in a plate tower or packed tower; and (8) cooling the deodorized oil, adding the citric acid solution, to obtain a finished product after the qualified checking. The technology is used for effectively improving the production efficiency and the refining yield, and effectively solving the emulsification problem in the refining process of the crude oil with the ultrahigh acid value.

Description

technical field [0001] The invention relates to the field of refining ultra-high acid value crude oil, and mainly relates to a refining process of ultra-high acid value crude oil. Background technique [0002] Ultra-high acid value crude oil refers to crude oil with an acid value greater than 10mm / gKOH, and the acid value is generally 10-30mm / gKOH. The existing high acid value crude oil refining technology adopts: hydration and degumming of high acid value crude oil, followed by water washing, decolorization and deacidification. With the existing method, due to the serious emulsification of high acid value oil in the degumming and washing process, the degumming effect is poor and the loss is serious; because the degumming oil acid value is too high and the quality is too poor, the white clay is easy to be poisoned during the decolorization process. The consumption of white clay is too large, the loss of micronutrients in the oil is too large, and the decolorization effect i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C11B3/00C11B3/02C11B3/04C11B3/06C11B3/16
CPCC11B3/001C11B3/008C11B3/02C11B3/04C11B3/06C11B3/16
Inventor 方学智郭少海杜孟浩
Owner RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY