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Blue algae scavenger using float stone as carrier and preparation method thereof

A technology of scavenger and pumice, which is applied in the field of water pollution control, can solve the problems of unclear potential harm to human body and slow effect, and achieve the effect of easy recycling, quick effect and broad application prospect

Inactive Publication Date: 2009-03-11
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The biological method has the advantages of economy and continuous effect, but it also has disadvantages such as slow effect and unclear potential harm to the human body.

Method used

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  • Blue algae scavenger using float stone as carrier and preparation method thereof
  • Blue algae scavenger using float stone as carrier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A cyanobacteria scavenging agent with pumice as a carrier, which is prepared from cerium nitrate solution, sodium hydroxide solution and massive pumice raw materials, the addition of sodium hydroxide solution is 1% of the volume of the cerium nitrate solution, and the volume of the massive pumice The addition amount is 5% of the total mass of the cerium nitrate solution and the sodium hydroxide solution; wherein, the mass concentration of the cerium nitrate solution is 0.2%, and the mass concentration of the sodium hydroxide solution is 5%; the block pumice is: the pumice is broken into a block with a diameter of 0.5 cm, stirred and washed with 8% sodium hydroxide solution for 1.5 h, then washed until neutral, and dried to obtain block pumice.

[0024] Above-mentioned a kind of preparation method taking pumice as the cyanobacteria scavenging agent of carrier, it comprises the steps:

[0025] 1) Breaking the pumice into blocks with a diameter of 0.5 cm, stirring and wash...

Embodiment 2

[0030]A cyanobacteria scavenging agent with pumice as a carrier, which is prepared from cerium nitrate solution, sodium hydroxide solution and massive pumice raw materials, the addition of sodium hydroxide solution is 5% of the volume of the cerium nitrate solution, and the volume of the massive pumice The addition amount is 10% of the total mass of the cerium nitrate solution and the sodium hydroxide solution; wherein, the mass concentration of the cerium nitrate solution is 0.5%, and the mass concentration of the sodium hydroxide solution is 10%; the block pumice is: the pumice is broken into blocks with a diameter of 3 cm, stirred and washed with 12% sodium hydroxide solution for 2.5 hours, then washed until neutral, and dried to obtain block pumice.

[0031] Above-mentioned a kind of preparation method taking pumice as the cyanobacteria scavenging agent of carrier, it comprises the steps:

[0032] 1) Breaking the pumice into blocks with a diameter of 3 cm, stirring and was...

Embodiment 3

[0037] A cyanobacteria scavenging agent with pumice as a carrier, which is prepared from cerium nitrate solution, sodium hydroxide solution and massive pumice raw materials, the addition of sodium hydroxide solution is 3% of the volume of the cerium nitrate solution, and the volume of the massive pumice The addition amount is 8% of the total mass of the cerium nitrate solution and the sodium hydroxide solution; wherein, the mass concentration of the cerium nitrate solution is 0.4%, and the mass concentration of the sodium hydroxide solution is 8%; the block pumice is: the pumice is broken into a block with a diameter of 1 cm, stirred and washed with 10% sodium hydroxide solution for 2.0 h, then washed until neutral, and dried to obtain block pumice.

[0038] Above-mentioned a kind of preparation method taking pumice as the cyanobacteria scavenging agent of carrier, it comprises the steps:

[0039] 1) Breaking the pumice into blocks with a diameter of 1 cm, stirring and washing...

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Abstract

The invention belongs to the field of water pollution treatment, in particular relates to a water body algae scavenger and a preparation method thereof. A blue algae scavenger taking floatstone as a carrier is characterized in that the blue algae scavenger is prepared by a cerous nitrate solution, a sodium hydroxide solution and lumpish floatstone raw materials, wherein the addition amount of the sodium hydroxide solution is 1 to 5 percent of the volume of the cerous nitrate solution, and the addition of the lumpish floatstone is 5 to 10 percent of the total mass of the cerous nitrate solution and the sodium hydroxide solution; the mass concentration of the cerous nitrate solution is between 0.2 and 0.5 percent, and the mass concentration of the sodium hydroxide solution is between 5 and 10 percent; and the lumpish floatstone is obtained by crushing floatstone into lumps with the diameter between 0.5 and 3 centimeters, stirring and cleaning the lumps for 1.5 to 2.5 hours by the sodium hydroxide solution with the mass concentration between 8 and 12 percent, cleaning the lumps into neutrality and drying the lumps. The blue algae scavenger prepared by the method has the advantages of good blue algae removal effect, quickness in taking effect, low cost and no secondary pollution.

Description

technical field [0001] The invention belongs to the field of water pollution control, and in particular relates to a water body algae scavenger and a preparation method thereof. Background technique [0002] Driven by the rapid development of the regional economy, the over-exploitation of water resources and the neglect of environmental protection have made the water environment in most parts of our country worsen day by day, and the eutrophication of water bodies is serious. The eutrophication of the water body leads to the excessive reproduction of algae in the water body, especially the outbreak of planktonic algae (mainly cyanobacteria) and the formation of water blooms. In recent years, in my country's Dianchi Lake, Taihu Lake, Chaohu Lake, Erhai Lake and other water bodies, cyanobacteria outbreaks have occurred frequently. A large number of algae blooms not only affect the landscape effect of water bodies, but also produce algae toxins, which pose a serious threat to ...

Claims

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Application Information

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IPC IPC(8): C02F1/52C02F1/28
Inventor 严春杰韩利雄朱小燕梅娟余洪杰汪涛郭爱锋海书杰肖国琪冯亮暴峰马睿赵锐
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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