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Plant-based oil absorption pillow and preparation method thereof

An oil-absorbing pillow and plant-based technology, applied in separation methods, chemical instruments and methods, adsorption water/sewage treatment, etc., can solve the problems of secondary pollution, poor oil retention capacity of plant fibers, etc., and achieve fast oil absorption speed and oil-water selection Strong and easy to transport

Inactive Publication Date: 2019-11-15
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a plant-based oil-absorbing pillow and its preparation method, which overcomes the problem of secondary pollution caused by artificially synthesized high-oil-absorbing materials, and the problem of poor oil retention of traditional natural oil-absorbing materials such as plant fibers

Method used

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  • Plant-based oil absorption pillow and preparation method thereof
  • Plant-based oil absorption pillow and preparation method thereof
  • Plant-based oil absorption pillow and preparation method thereof

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preparation example Construction

[0043] The present invention also provides a preparation method of plant-based oil-absorbing pillow, comprising the following steps:

[0044] The hydrophobic modified cotton fabric is sewn into a pillow shell, filled with plant fibers, and sealed to form a plant-based oil-absorbing pillow.

[0045] Wherein, the hydrophobically modified cotton fabric is made by the following steps:

[0046] Spray the cotton fabric with plant polyphenol solution and metal ion solution in turn, then wash and dry to complete the surface modification of cotton fabric once;

[0047] The surface modification of cotton fabrics was carried out several times to obtain cotton fabrics modified by metal ion complexes-plant polyphenols;

[0048] The metal ion complex-plant polyphenol modified cotton fabric is immersed in the low surface energy compound solution for reaction, and then the cotton fabric is taken out and dried to obtain the hydrophobically modified cotton fabric.

[0049] In the embodiment o...

Embodiment 1

[0057] Cut a piece of clean cotton cloth (5cm×5cm), spray both sides with 3.4mg / mL tannic acid aqueous solution (pH value 7.0), let it stand for 20S; then use 5mg / mL copper sulfate The aqueous solution was sprayed on both sides of the cotton cloth in turn, and left to stand for 60 seconds; the cotton cloth was washed three times with deionized water and absolute ethanol, and then dried. The steps of spraying, washing and drying were repeated 5 times to obtain copper ion complex-tannic acid modified cotton cloth.

[0058] Immerse the prepared copper ion complex-tannic acid modified cotton cloth in 20mL of ethanol solution containing octadecylamine (concentration is 4.0mg / mL), adjust the pH value of the mixed solution to 8.5 with triethylamine, at 25 Under the condition of ℃, the magnetic stirring reaction is carried out for 8h (100-500rpm / min), the cotton cloth after reaction is taken out, and dried in a vacuum oven at 80°C to obtain the hydrophobic modified cotton cloth. The ...

Embodiment 2

[0063] Cut a piece of clean cotton cloth (5cm×5cm), spray both sides with 10.2mg / mL tannic acid aqueous solution (pH value 9.0), let stand for 20S; then use 10mg / mL copper sulfate The aqueous solution was sprayed on both sides of the cotton cloth in turn, and left to stand for 20 seconds; the cotton cloth was washed three times with deionized water and absolute ethanol, and then dried. The steps of spraying, washing and drying were repeated 10 times to obtain copper ion complex-tannic acid modified cotton cloth.

[0064] Immerse the prepared copper ion complex-tannic acid modified cotton cloth in 20mL of ethanol solution containing octadecylamine (8.0mg / mL), adjust the pH value of the mixed solution to 8.5 with triethylamine, at 30°C , and magnetically stirred for 4 hours (100-500 rpm / min), the cotton cloth after reaction was taken out, and dried in a vacuum oven at 80° C. to obtain a hydrophobic modified cotton cloth. The measured static contact angle between deionized water...

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Abstract

The invention discloses a plant-based oil absorption pillow and a preparation method thereof. The plant-based oil absorption pillow comprises a pillow shell and a pillow core wrapped by the pillow shell, wherein the pillow shell is made of a hydrophobic modified cotton fabric, and the pillow core is made of plant fibers. In the plant-based oil absorption pillow, the hydrophobic modified cotton fabric has the characteristic of hydrophobicity and lipophilicity, so that oil can quickly pass through the hydrophobic modified cotton fabric and be adsorbed by plant fibers when the hydrophobic modified cotton fabric is in contact with a water-oil mixture, and water can be blocked outside. Through the wrapping function of the pillow shell, loosening and oil leakage of plant fibers serving as the pillow core after oil absorption can be avoided. The oil absorption pillow has the following advantages: oil absorption speed is high, the oil absorption rate is high, oil-water selectivity is high andwater absorption is avoided in an oil absorption process; buoyancy is good, and floating oil on a water surface can be effectively absorbed; transporting, feeding and recovering are convenient; adsorbed oil products can be recovered in an extrusion mode, so that the oil absorption pillow can be repeatedly recycled for a plurality of times; the oil absorption pillow is biodegradable; the preparation method is simple; the raw material sources are wide; and cost is low.

Description

technical field [0001] The invention relates to the field of oil-absorbing materials, in particular to a plant-based oil-absorbing pillow and a preparation method thereof. Background technique [0002] In recent years, oil pollutants have become one of the main pollution of water bodies. Adsorption is a relatively common method for treating oily wastewater. The key to this method lies in the selection or preparation of suitable oil-absorbing materials. At present, commonly used oil-absorbing materials are divided into natural oil-absorbing materials and synthetic oil-absorbing materials according to different ways of obtaining them. [0003] Natural oil-absorbing materials mainly include clay, amorphous silica, plant fiber and pulp fiber, etc. The advantages are rich sources, cheap price, and safe use. The disadvantages are small oil absorption, unstable adsorption performance, and poor oil retention. Oil tends to leak out again when under pressure. [0004] Chemically sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/40C02F1/28B01D17/022
CPCB01D17/0202C02F1/286C02F1/40
Inventor 董智贤冼嘉颖黄月开宁伟锋
Owner GUANGDONG UNIV OF TECH
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