Method for utilizing cycloalkanol in eucalyptol separation water solution and application of cycloalkanol

A technology of cycloalkanol and eucalyptol, which is applied in the field of cycloalkanol, can solve problems such as difficult and effective separation of cycloalkanol, failure to achieve separation, waste of cycloalkanol, etc., and achieves beneficial recycling, excellent extraction effect, and reduced The effect of content

Inactive Publication Date: 2016-08-03

GUANGDONG UNIV OF TECH

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AI-Extracted Technical Summary

Problems solved by technology

[0004] Cycloalkanol has a certain solubility in water (for example, the solubility of cyclohexanol in water at 20°C is 3.6g/100g), and in the production and use of cycloalkanol, it is easy to produce a binary system of cycloalkanol-water , not only waste cyclo...

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Abstract

The invention belongs to the technical field of water treatment, and discloses a method for utilizing cycloalkanol in a eucalyptol separation water solution and application of the cycloalkanol. The eucalyptol is used as an extractant to extract cycloalkanol in the water solution at 10-40 DEG C, thereby separating the cycloalkanol under milder conditions. The method is beneficial to maintaining the purity of the cycloalkanol and enhancing the separation efficiency, and is more beneficial to lowering the energy consumption of the separation operation. The extraction equipment is more simplified, thereby being beneficial to enhancing the stability and reliability of the separation technique and lowering the maintenance cost. The eucalyptol is the natural essential oil extract which is friendly to the environment and harmless to humans and livestock, thereby being beneficial to the protection of the ecological environment and enhancing the safety of the treated water body.

Application Domain

Organic compound preparationHydroxy compound preparation

Technology Topic

LivestockChemistry +8

Image

Examples

Experimental program(7)

Example Embodiment

[0029] Example 1

[0030] The cyclohexanol-containing aqueous solution with a concentration of 10,000 ppm was passed through a grid to remove impurities. The eucalyptol and cyclohexanol aqueous solution were placed in the extraction vessel in a volume ratio of 0.5:1. Under the condition of 10°C, the rotating speed of the magnetic stirrer is 500 rpm, stirring for 10min, and standing for 1h in a constant temperature bath with a temperature of 10°C. After standing, the solution was divided into upper and lower phases, the lower raffinate phase was separated, and the cyclohexanol content in the raffinate phase was measured by gas chromatography to be 70 ppm.

Example Embodiment

[0031] Example 2

[0032] The cyclohexanol-containing aqueous solution with a concentration of 20,000 ppm was passed through a grid to remove impurities. The eucalyptol and cyclohexanol aqueous solution were placed in the extraction vessel at a volume ratio of 1:1. Under the condition of 25°C, the rotating speed of the magnetic stirrer is 500 rpm, stirring for 10min, and standing for 1h in a constant temperature bath with a temperature of 25°C. After standing, the solution was divided into upper and lower phases, the lower raffinate phase was separated, and the cyclohexanol content in the raffinate phase was measured by gas chromatography to be 110 ppm.

Example Embodiment

[0033] Example 3

[0034] The cyclohexanol-containing aqueous solution with a concentration of 30,000 ppm was passed through a grid to remove impurities. The eucalyptol and cyclohexanol aqueous solution were placed in the extraction vessel at a volume ratio of 1:1. Under the condition of 25°C, the rotating speed of the magnetic stirrer is 500 rpm, stirring for 10min, and standing for 1h in a constant temperature bath with a temperature of 25°C. After standing, the solution was divided into upper and lower phases, the lower raffinate phase was separated, and the cyclohexanol content in the raffinate phase was measured by gas chromatography to be 120 ppm.

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Description & Claims & Application Information

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Method for utilizing cycloalkanol in eucalyptol separation water solution and application of cycloalkanol

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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