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A kind of hydrate promoter and preparation method thereof

A technology of hydrate accelerator and distilled water, which is applied in chemical instruments and methods, other chemical processes, chemical/physical processes, etc., can solve unsatisfactory problems such as low gas storage density of hydrates, and achieve low cost and high storage efficiency. The effect of increasing the gas volume and using less

Active Publication Date: 2016-06-08
邳州市博睿投资管理有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, although this type of surfactant can accelerate the hydrate formation rate, it is still unsatisfactory, and the gas storage density of hydrate is not high.

Method used

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  • A kind of hydrate promoter and preparation method thereof
  • A kind of hydrate promoter and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The compound accelerator FH1 selected consists of: 3% by mass percentage of cocamidopropyl betaine, 1.2% by mass percentage of dimethylsiloxane, 0.2% by mass percentage of nonionic Fluoride and distilled water. Stir at 65°C for 35 minutes to prepare a hydrate accelerator. The experiment was done with methane gas at a temperature of 4.5°C, and the experimental procedure was the same as above. The experimental results are shown in Table 2.

[0038] Experiment number

Embodiment 2

[0040] The compound accelerator FH5 selected consists of: 7% by mass percentage of cocamidopropyl betaine, 4.5% by mass percentage of dimethylsiloxane, 1.5% by mass percentage of nonionic Fluoride and distilled water. Stir at 85°C for 35 minutes to prepare a hydrate accelerator. The experiment was done with methane gas at a temperature of 4.5°C, and the experimental procedure was the same as above. The experimental results are shown in Table 3.

[0041] Experiment number

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Abstract

The invention belongs to the technical field of gas hydrate production promotion and utilization, and in particular relates to a hydrate accelerator and a preparation method thereof. said Hydration Promoter, It is prepared by stirring cocamidopropyl betaine, dimethylsiloxane, non-ionic fluorosurfactant and deionized water at 65~85℃ for 30~40 minutes; among them, cocamidopropyl The mass percentage of betaine in the solvent is 3-7%; the mass percentage of dimethylsiloxane in the solvent is 1.2-4.5%; the mass percentage of non-ionic fluorosurfactant in the solvent is 0.2- 1.5%, and the rest is deionized water. The hydrate accelerator of the present invention can be widely used in the fields of gas hydrate storage and transportation technology, gas hydrate separation technology, and seawater desalination; and the cost is low, the dosage is small, the conditions for hydrate formation are reduced, the time is shortened, and the gas storage capacity is reduced. The increase effectively improves the economic benefits of hydrate production.

Description

technical field [0001] The invention relates to the technical field of gas hydrate production promotion and utilization, in particular to a preparation method of a composite accelerator for accelerating the formation of gas hydrate. Background technique [0002] Gas hydrate technology involves a wide range of fields. It not only develops rapidly in the fields of energy and environmental protection, but also has made significant progress in other fields, such as solid-state transportation and storage of natural gas, natural gas hydrate as vehicle fuel, and gas hydrate based on the formation of hydrate. New separation technologies (seawater desalination technology, concentration of organic aqueous solution, separation of gas mixtures and near-critical and supercritical extraction, etc.), as well as the fields of hydrate bioengineering and new materials, etc. However, the gas hydrate technology is affected by factors such as harsh formation conditions, long induction time, slow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F17/00C09K3/00C09K23/00
Inventor 王树立常凯饶永超康甜甜文创杨燕郑亚星代文杰戴源刘倩
Owner 邳州市博睿投资管理有限公司
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