Estimating molecular weight of hydrocarbons
US-12140585-B2 · Nov 12, 2024 · US
Method for measuring aromatic contents in hydrocarbon solution
US2020371053A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2020371053-A1 |
| Application number | US-201816769690-A |
| Country | US |
| Kind code | A1 |
| Filing date | Nov 29, 2018 |
| Priority date | Dec 27, 2017 |
| Publication date | Nov 26, 2020 |
| Grant date | — |
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- Title
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Abstract
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The present disclosure relates to a method for measuring aromatic contents in a hydrocarbon solution. More specifically, it relates to a measurement method capable of quickly and accurately checking aromatic contents in a compound, particularly in a hydrocarbon, in a solution state without a high-temperature drying process.
First claim
Opening claim text (preview).
What is claimed is: 1 . A method for measuring aromatic contents, comprising the steps of: mixing a hydrocarbon solution and aniline at room temperature in a volume ratio of 1:1; heating the mixed solution of the hydrocarbon solution and aniline until it becomes transparent; measuring a cloud point while cooling the transparent mixed solution; and calculating aromatic contents in the hydrocarbon solution by substituting the cloud point into a calibration curve. 2 . The method for measuring aromatic contents of claim 1 , wherein the hydrocarbon solution contains 10 to 90 wt % of hydrocarbon. 3 . The method for measuring aromatic contents of claim 1 , wherein the steps of heating and cooling the mixed solution are performed while stirring the mixed solution. 4 . The method for measuring aromatic contents of claim 1 , wherein the step of cooling the transparent mixed solution is performed at a cooling rate of 2° C./min or less. 5 . The method for measuring aromatic contents of claim 1 , wherein the calibration curve is a graph indicating a relationship between the aromatic contents and the cloud point in the hydrocarbon to be measured obtained by measuring the aromatic contents of the same compound as the hydrocarbon to be measured in advance by H-NMR analysis. 6 . The method for measuring aromatic contents of claim 1 , wherein the hydrocarbon solution is obtained after a hydrogenation reaction. 7 . The method for measuring aromatic contents of claim 1 , wherein the hydrocarbon is a petroleum resin. 8 . The method for measuring aromatic contents of claim 1 , wherein a solvent of the hydrocarbon solution is an organic solvent containing no aromatics.
Assignees
Inventors
Classifications
by using nuclear magnetic resonance (G01N24/12 takes precedence) · CPC title
- G01N33/2823Primary
Raw oil, drilling fluid or polyphasic mixtures · CPC title
by measuring cloud point or pour point of oils · CPC title
- G01N25/12Primary
of critical point; of other phase change · CPC title
Measurement of solid, liquid or gas content · CPC title
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Frequently asked questions
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- What does patent US2020371053A1 cover?
- The present disclosure relates to a method for measuring aromatic contents in a hydrocarbon solution. More specifically, it relates to a measurement method capable of quickly and accurately checking aromatic contents in a compound, particularly in a hydrocarbon, in a solution state without a high-temperature drying process.
- Who is the assignee on this patent?
- Hanwha Solutions Corp
- What technology area does this patent fall under?
- Primary CPC classification G01N33/2823. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu Nov 26 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).