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Waste animal and vegetable fat hydrogenation product composition analysis method

A hydrogenation technology for discarded animals, plants, and oils, which is applied to the analysis of materials, material separation, and instruments. It can solve the problems of high instrument cost, influence on analysis results, and complex processing, and achieve cheap instruments, simple data processing methods, and efficient analysis. Effect

Active Publication Date: 2019-11-05
BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Therefore, the technical problem to be solved by the present invention is to overcome the defects of complicated sample pretreatment in the prior art, affecting the analysis effect, and high instrument cost, so as to provide a method that is efficient, fast and cheap, and does not need to extract and separate the sample components. , and the data is stable and reliable, and can be used to guide the evaluation and optimization of hydrogenation conditions of waste animal and vegetable oils.

Method used

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  • Waste animal and vegetable fat hydrogenation product composition analysis method
  • Waste animal and vegetable fat hydrogenation product composition analysis method
  • Waste animal and vegetable fat hydrogenation product composition analysis method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] This example provides a method for analyzing the composition of hogwash oil hydrogenation products. The low-degree hydrodeoxygenation product A of hogwash oil is used as the analysis object (reaction temperature 320°C, hydrogen initial pressure 6MPa, alumina carrier catalyst), and the viscosity is reduced by heating ( 80 ℃), sampling 0.02ul, using one-dimensional gas chromatography-mass spectrometry (Shimadzu 2010 Plus-QP 2020) and modified polyethylene glycol capillary column (DB-FFAP 30m×0.25mm×0.25μm) samples were analyzed where,

[0043] The operating conditions of the gas chromatography are:

[0044] Carrier gas flow 40ml / min

[0045] Split ratio 40:1

[0046] The column specifications are: DB-FFAP 30m×0.25mm×0.25μm;

[0047] Injection port temperature: 240°C;

[0048] The heating program was as follows: firstly, the temperature was kept at 40°C for 5 minutes, then the temperature was raised to 100°C at a heating rate of 5°C / min, and the temperature was kept co...

Embodiment 2

[0062] This example provides a method for analyzing the composition of hogwash oil hydrogenation products. The low-degree hydrodeoxygenation product B of hogwash oil is used as the analysis object (reaction temperature 320°C, hydrogen initial pressure 6MPa, carbon carrier catalyst), and is diluted by m-xylene. Viscosity (addition amount is 10% of sample quality), sample 1.0ul, utilize one-dimensional gas chromatography-mass spectrometry instrument (Shimadzu 2010 Plus-QP 2020) and modified polyethylene glycol capillary column (DB-FFAP 30m ×0.25mm×0.25μm) to analyze the sample, where,

[0063] The operating conditions of the gas chromatography are:

[0064] Carrier gas flow rate 30ml / min;

[0065] Split ratio 30:1;

[0066] The column specifications are: DB-FFAP 30m×0.25mm×0.25μm;

[0067] Injection port temperature: 240°C;

[0068] The heating program is as follows: first, keep the temperature at 40°C for 5 minutes, then raise the temperature to 100°C at a heating rate of 5...

Embodiment 3

[0077] This example provides a method for analyzing the composition of acidified oil hydrogenation products, taking acidified oil moderate hydrodeoxygenation product C as the analysis object (reaction temperature 340 ° C, hydrogen initial pressure 8 MPa, carbon carrier catalyst), through heating (60 ℃), sampled 0.02ul, and utilized one-dimensional gas chromatography-mass spectrometry (Varian CP3800-300MS) and modified polyethylene glycol capillary column (HP-FFAP 30m × 0.25mm × 0.25μm) to sample analysis, where

[0078] The operating conditions of the gas chromatography are:

[0079] Carrier gas flow 30ml / min

[0080] Split ratio 30:1

[0081] The column specifications are: HP-FFAP 30m×0.25mm×0.25μm;

[0082] Injection port temperature: 240°C;

[0083] The heating program was as follows: firstly, the temperature was kept at 40°C for 5 minutes, then the temperature was raised to 100°C at a heating rate of 3°C / min, and the temperature was kept at a constant temperature for 3...

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Abstract

The invention belongs to the technical field of oil product composition analysis, and particularly relates to a waste animal and vegetable fat hydrogenation product composition analysis method. The method comprises the following steps of carrying out viscosity reduction treatment on a sample; carrying out sample analysis by using a gas chromatograph-mass spectrometer, wherein the gas chromatography adopts a modified polyethylene glycol capillary chromatographic column; and performing data processing to obtain a sample composition result. The method utilizes the one-dimensional gas chromatography-mass spectrometer and the modified polyethylene glycol capillary chromatographic column for realizing efficient analysis of main components contained in a to-be-detected sample. The method has theadvantages that the operation error possibly introduced in the complex sample pretreatment process is avoided, or different influences on the test result caused by different pretreatment methods and conditions are avoided, and the used instrument is universal and easy to obtain and low in cost, so that the analysis method is suitable for popularization.

Description

technical field [0001] The invention belongs to the technical field of oil product composition analysis, and in particular relates to a method for analyzing the composition of waste animal and vegetable oil hydrogenation products. Background technique [0002] In order to solve the energy crisis and provide green energy, processing waste animal and vegetable oils and fats as raw materials into biodiesel and other organic fuels is a hot research direction at present. In order to overcome the shortcomings of high oxygen content and low calorific value of waste animal and vegetable oils, converting waste animal and vegetable oils into biodiesel and other fuel oils through catalytic hydrogenation technology is an inevitable requirement to reduce its oxygen content and increase its calorific value. At present, the evaluation of the hydrogenation effect of waste animal and vegetable oils is still on the surface parameters such as oxygen content and calorific value. Which componen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02G01N30/06G01N30/26
CPCG01N30/02G01N30/06G01N30/26G01N2030/025
Inventor 王泽李松庚崔永君赵文涛丁同利许旭王勇
Owner BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD
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