Shaddock peel adsorbent and its application

A technology of pomelo peel and adsorbent, applied in the field of pomelo peel adsorbent, can solve the problem of less research on the adsorption of organic gas by pomelo peel, and achieve the effects of abundant raw materials, easy operation and low cost

Inactive Publication Date: 2014-01-22
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Activated carbon prepared from grapefruit peel is used to adsorb organic pollutants, but there are few studies on the adsorption of organic gases by grapefruit peel

Method used

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  • Shaddock peel adsorbent and its application
  • Shaddock peel adsorbent and its application
  • Shaddock peel adsorbent and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Wash the surface of the pomelo peel with deionized water and drain. Cut the pomelo peel into flakes and put it in a beaker, weigh it and put it into a blast drying oven. Constant weight, ready for use after grinding.

Embodiment 2

[0024] Take 0.5 g of pomelo peel powder dried at 60°C and evenly spread it on the bottom of the large beaker. Take another 10 mL of toluene in a small beaker, and place it in the large beaker mentioned above. Seal the mouth of the large beaker and place it in a cool and dry place at room temperature for 30 days. After the adsorption is over, weigh the mass of the pomelo peel powder, and the adsorption rate is 21.71%.

Embodiment 3

[0026] Take 0.5 g of pomelo peel powder dried at 80°C and evenly spread it on the bottom of the large beaker. Take another 10 mL of toluene in a small beaker, and place it in the large beaker mentioned above. Seal the mouth of the large beaker and store it in a cool and dry place at room temperature for 30 days. After the adsorption, the mass of the pomelo peel powder was weighed, and the adsorption rate was 24.40%.

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Abstract

The invention discloses a shaddock peel adsorbent and its application. A preparation method of the shaddock peel adsorbent comprises the following steps: 1, washing shaddock peel with deionized water, and draining by removing water residual on the surface of the shaddock peel; 2, cutting drained shaddock peel into slices, and drying at 60-300DEG C to constant weight; and 3, grinding dried shaddock peel into powder to obtain the shaddock peel adsorbent. The shaddock peel adsorbent has the advantages of abundant raw material, low cost, simplicity and easy operation of a preparation technology, environmental protection, no pollution, natural degradability and good adsorption effect.

Description

(1) Technical field [0001] The invention relates to a grapefruit peel adsorbent prepared from grapefruit peel raw materials and its application in adsorbing organic pollutants (such as toluene, acetone and formaldehyde). (2) Background technology [0002] With the popularity of interior decoration and the increase of airtightness, indoor air pollution has become an important factor threatening human health. Indoor building decoration materials contain volatile benzene series and aldehydes and ketones, and these substances are irremovable for a long time, so the purification of indoor air is becoming more and more important. [0003] Grapefruit is a common fruit in the south. The skin accounts for about 55% of the total weight and is rich in cellulose. The current research on pomelo peel in our country is mainly how to extract the essential oil, pigment and pectin in the peel, but there are few studies on using pomelo peel as an adsorption material. The white floc layer ins...

Claims

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Application Information

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IPC IPC(8): B01J20/24B01J20/30B01D53/02
Inventor 李国华王美华
Owner ZHEJIANG UNIV OF TECH
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