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Method for preparing absorbent for preventing and treating water body pollution from enteromorpha

A water pollution and adsorbent technology, applied in chemical instruments and methods, adsorption water/sewage treatment, energy wastewater treatment, etc., can solve problems such as large energy consumption, secondary pollution, and difficulty in rapid treatment, so as to avoid secondary Pollution, the effect of good adsorption effect

Active Publication Date: 2013-12-25
山东圣克莱尔新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In the prior art, there are few methods for comprehensive utilization of Enteromorpha, and the existing methods need to consume a large amount of energy, which easily leads to secondary pollution
Moreover, Enteromorpha is prone to concentrated outbreaks in summer, and it is difficult to achieve rapid treatment. Various methods are required to comprehensively utilize Enteromorpha.

Method used

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  • Method for preparing absorbent for preventing and treating water body pollution from enteromorpha
  • Method for preparing absorbent for preventing and treating water body pollution from enteromorpha
  • Method for preparing absorbent for preventing and treating water body pollution from enteromorpha

Examples

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Embodiment 1

[0019] A method for preparing an adsorbent for preventing and controlling water pollution by Enteromorpha, comprising the steps of:

[0020] (1) Pretreatment: Air-dry the fresh Enteromorpha naturally, remove the gravel, then crush the Enteromorpha in a pulverizer, pass through a 100-mesh sampling sieve, take the Enteromorpha under the sampling sieve and wash it with distilled water for 4 times, and then use it Filtrate with a vacuum pump until the filtrate becomes clear, and dry the obtained Enteromorpha in an oven at 56°C for 64 hours to obtain the pretreated Enteromorpha;

[0021] (2) Carbonization treatment: configure hydrogen peroxide-sodium hydroxide mixed solution A, in mixed solution A, the mass ratio of hydrogen peroxide, sodium hydroxide and water is 1:5:100; add the enteromorpha obtained in step (1) to In the above mixed solution A, stir to form a suspension, raise the temperature to 50°C, and react at a constant temperature for 46 hours. The mass ratio of Enteromorp...

Embodiment 2

[0025] A method for preparing an adsorbent for preventing and controlling water pollution by Enteromorpha, comprising the steps of:

[0026] (1) Pretreatment: Air-dry the fresh Enteromorpha naturally, remove the gravel, then crush the Enteromorpha in a pulverizer, pass through a 100-mesh sampling sieve, take the Enteromorpha sieve and wash it with distilled water for 7 times, and then use it Filtrate with a vacuum pump until the filtrate becomes clear, and dry the obtained Enteromorpha in an oven at 65°C for 128 hours to obtain the pretreated Enteromorpha;

[0027] (2) Carbonization treatment: configure hydrogen peroxide-sodium hydroxide mixed solution A, in mixed solution A, the mass ratio of hydrogen peroxide, sodium hydroxide and water is 5:2:30; add the enteromorpha obtained in step (1) to In the above mixed solution A, stir to form a suspension, raise the temperature to 75°C, and react at a constant temperature for 72 hours. The mass ratio of Enteromorpha to the mixed sol...

Embodiment 3

[0031] A method for preparing an adsorbent for preventing and controlling water pollution by Enteromorpha, comprising the steps of:

[0032] (1) Pretreatment: Air-dry the fresh Enteromorpha naturally, remove the sand and gravel, then crush the Enteromorpha in a pulverizer, pass through a 100-mesh sampling sieve, take the Enteromorpha sieve and wash it with distilled water for 5 times, and then use it Filtrate with a vacuum pump until the filtrate becomes clear, and dry the obtained Enteromorpha in an oven at 60°C for 100 hours to obtain the pretreated Enteromorpha;

[0033] (2) Carbonization treatment: configure hydrogen peroxide-sodium hydroxide mixed solution A, in mixed solution A, the mass ratio of hydrogen peroxide, sodium hydroxide and water is 4:3:50; add the enteromorpha obtained in step (1) to In the above mixed solution A, stir to form a suspension, heat up to 60° C., and react at a constant temperature for 60 hours. The mass ratio of Enteromorpha to mixed solution A...

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Abstract

The invention discloses a method for preparing an absorbent for preventing and treating water body pollution from enteromorpha. The absorbent for preventing and treating the water body pollution is prepared through pretreatment, carbonization treatment, modification treatment and grafting treatment. Due to adoption of the method disclosed by the invention, the enteromorpha in mass propagation can be effectively and rapidly treated, so that the secondary pollution caused by the enteromorpha is avoided. According to the method, the absorbent for absorbing water body pollutants is prepared from the enteromorpha after a series of treatment. As the reaction process is precisely controlled and optimal process parameters are selected, the absorbent prepared by using the method has a good absorption effect, and particularly has a good absorption effect on cation pollutants in wastewater, and the method disclosed by the invention has a beneficial technical effect.

Description

technical field [0001] The invention relates to a comprehensive treatment method of Enteromorpha, in particular to a method for preparing an adsorbent from Enteromorpha for preventing and controlling water body pollution. Background technique [0002] In recent years, the coastal waters of my country, especially the famous coastal city of Qingdao, have frequently experienced outbreaks of Enteromorpha. Enteromorpha is a genus of Chlorophyta Ulvaceae. Most species of marine products are widely distributed in oceans all over the world, and some species can also be found in brackish water or rivers. [0003] Enteromorpha itself is non-toxic and edible, but large-scale outbreaks can be harmful. Like red tides, the massive blooms of Enteromorpha can also shade sunlight and affect the growth of algae on the seabed; dead Enteromorpha can also consume oxygen in seawater; and studies have shown that the chemicals secreted by Enteromorpha may also affect other oceans. Biological adve...

Claims

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Application Information

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IPC IPC(8): B01J20/24B01J20/30C02F1/28
CPCY02W10/37
Inventor 孟祥福
Owner 山东圣克莱尔新能源有限公司
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