Method for purifying crude oil by using magnetic immobilized phosphatidase A2
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology of immobilized phospholipase and immobilized enzyme, which is applied in the direction of fat oil/fat refining and fat production, and can solve problems such as difficult recovery, increased free fatty acid content, and difficult removal of non-hydratable phospholipids
Inactive Publication Date: 2015-12-09
NORTHEAST AGRICULTURAL UNIVERSITY
View PDF3 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0004] The present invention applies the prepared magnetically immobilized enzyme PLA2 in the degumming process of soybean hydration degumming crude oil to improve the enzymatic hydrolysis efficiency of phospholipase, reduce the free fatty acid content in the o
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
Examples
Experimental program
Comparison scheme
Effect test
specific Embodiment approach 1
[0005] Embodiment 1: A method for refining crude oil with magnetically immobilized phospholipase A2 is realized through the following steps: Step 1, using the hydration degumming method to remove the hydrated phospholipids in the crude oil, and obtain the crude oil from which the hydrated phospholipids have been removed Step 2, Degumming Process Parameters for Refining Crude Oil with Magnetically Immobilized Phospholipase A2: Heating soybean hydration degumming oil to a certain temperature (40, 45, 50, 55, 60, 65, 70° C.), adjusting the pH value (4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0), and then add the prepared magnetically immobilized phospholipase A2 (0.04, 0.06, 0.08, 0.10, 0.12, 0.14g / kg) magnetically immobilized phospholipase A2 , react for a certain period of time (4.0, 4.5, 5.0, 5.5, 6.0, 6.5h), the stirring speed is 80r / min, take the phosphorus content in the crude oil as an inspection index, and use a magnet to magnetically immobilize phospholipase A2 with a magnet after t...
specific Embodiment approach 2
[0006] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in step 2, the temperature is 50, 55, and 60° C., and the phosphorus content in the crude oil is measured. Other steps are the same as in the second embodiment.
specific Embodiment approach 3
[0007] Embodiment 3: The difference between this embodiment and Embodiment 1 is that in step 2, the pH is 4.5, 5.0, and 5.5, and the phosphorus content in crude oil is measured. Other steps are the same as in the second embodiment.
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
Login to view more
Abstract
Prepared magnetic immobilized enzyme PLA2 is applied in the degumming process of soybean hydration degumming crude oil to improve the enzymatic hydrolysis efficiency of phosphatidase and reduce the content of free aliphatic acids in enzymatic hydrolyzed oil in order to solve the problems of difficult removal of non-hydratable phospholipids in the soybean crude oil purifying process, and high price, difficult recovery and rising of the content of the free aliphatic acids in oil of free phosphatidase. The optimum parameters of purification degumming of the soybean crude oil by the magnetic immobilized phosphatidase A2 are obtained through respectively researching influences of the magnetic immobilized enzyme addition amount, the reaction temperature, the reaction time and the reaction initial pH value on the phosphorus content as an index, and results show that the phosphorus content is 10.05mg/kg when the magnetic immobilized enzyme addition amount is 0.12g/kg oil, the reaction temperature is 55DEG C, the reaction time is 5h and the reaction initial pH value is 5.0, and the content of free aliphatic acids is 0.84g/100g and is 0.14g/100g lower than the content of free aliphatic acids in degummed oil obtained by using magnetic immobilized phosphatidase A1.
Description
Technical field: [0001] The invention relates to the field of oil processing technology, in particular to a magnetically immobilized phospholipase A 2 The method of refining crude oil. Background technique: [0002] Degumming is the first process of vegetable oil refining process, which mainly removes phospholipids and mucus substances. Phospholipids are mainly divided into non-hydratable phospholipids and hydrated phospholipids. The traditional hydration degumming method can remove hydratable phospholipids, and non-hydratable phospholipids with significant hydrophobicity need to use phospholipase to enzymatically hydrolyze non-hydrophilic substances to increase hydrophilicity and remove them from crude oil. Degumming is the removal of peptized impurities in oil. The main component is phospholipids. Among them, hydrated phospholipids can be removed by traditional hydration degumming, but non-hydratable phospholipids are difficult to remove due to their significant hydropho...
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
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more