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Blue algae scavenger using 4A molecular sieve as carrier and preparation method thereof

A molecular sieve and scavenger technology, applied in the field of cyanobacterial scavenger and its preparation, can solve the problems of ineffective fish feeding control and algae competition, unsafe green tide, etc., and achieve the effects of low cost, convenient operation and strong adaptability

Inactive Publication Date: 2009-03-11
CHINA UNIV OF GEOSCIENCES (WUHAN) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Other biological methods such as fish feeding control and algae competition are not very effective or safe enough for large green bloom outbreaks

Method used

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  • Blue algae scavenger using 4A molecular sieve as carrier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of cyanobacteria scavenger with 4A molecular sieve as carrier, it is made of Ce(NO 3 ) 3 Solution (i.e. cerium nitrate solution), sodium hydroxide solution and 4A molecular sieve raw materials are prepared, and the addition amount of sodium hydroxide solution is Ce(NO 3 ) 3 1% of the solution volume, the addition of 4A molecular sieve is Ce(NO 3 ) 3 10% of the total mass of solution and sodium hydroxide solution; among them, Ce(NO 3 ) 3 The mass concentration of the solution solution is 0.2%, and the mass concentration of the sodium hydroxide solution is 5%.

[0022] Above-mentioned a kind of preparation method that takes 4A molecular sieve as the cyanobacteria scavenging agent of carrier, it comprises the steps:

[0023] 1) Prepare Ce(NO with a mass concentration of 0.2% with water 3 ) 3 solution, water preparation mass concentration is 5% sodium hydroxide solution; The addition of 5% sodium hydroxide solution by mass concentration is that mass concentra...

Embodiment 2

[0027]A kind of cyanobacteria scavenger with 4A molecular sieve as carrier, it is made of Ce(NO 3 ) 3 solution, sodium hydroxide solution and 4A molecular sieve raw materials, the addition of sodium hydroxide solution is Ce(NO 3 ) 3 3% of the solution volume, the addition of 4A molecular sieve is Ce(NO 3 ) 3 15% of the total mass of solution and sodium hydroxide solution; among them, Ce(NO 3 ) 3 The mass concentration of the solution solution is 0.3%, and the mass concentration of the sodium hydroxide solution is 8%.

[0028] Above-mentioned a kind of preparation method that takes 4A molecular sieve as the cyanobacteria scavenging agent of carrier, it comprises the steps:

[0029] 1) Prepare Ce(NO with a mass concentration of 0.3% with water 3 ) 3 solution, water preparation mass concentration is 8% sodium hydroxide solution; The addition of 8% sodium hydroxide solution by mass concentration is that mass concentration is 0.3% Ce(NO 3 ) 3 3% of the solution volume, ch...

Embodiment 3

[0033] A kind of cyanobacteria scavenger with 4A molecular sieve as carrier, it is made of Ce(NO 3 ) 3 solution, sodium hydroxide solution and 4A molecular sieve raw materials, the addition of sodium hydroxide solution is Ce(NO 3 ) 3 5% of the solution volume, the addition of 4A molecular sieve is Ce(NO 3 ) 3 20% of the total mass of solution and sodium hydroxide solution; among them, Ce(NO 3 ) 3 The mass concentration of the solution solution is 0.5%, and the mass concentration of the sodium hydroxide solution is 10%.

[0034] Above-mentioned a kind of preparation method taking 4Λ molecular sieve as the cyanobacteria scavenging agent of carrier, it comprises the steps:

[0035] 1) Prepare Ce(NO with a mass concentration of 0.5% with water 3 ) 3 Solution, preparation mass concentration is the sodium hydroxide solution of 10%; Be that the add-on of the sodium hydroxide solution of 10% by mass concentration is that mass concentration is 0.5% Ce(NO 3 ) 3 5% of the solut...

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Abstract

The invention belongs to the field of water environment protection, in particular relates to a blue algae scavenger for removing blue algae in fresh water areas and a preparation method thereof. The blue algae scavenger taking 4A molecular sieves as a carrier is characterized in that the blue algae scavenger is prepared by a Ce(NO3)3 solution, a sodium hydroxide solution and 4A molecular sieve raw materials, wherein the addition amount of the sodium hydroxide solution is 1 to 5 percent of the volume of the Ce(NO3)3 solution, and the addition amount of the 4A molecular sieves is 10 to 20 percent of the total mass of the Ce(NO3)3 solution and the sodium hydroxide solution; and the mass concentration of the Ce(NO3)3 solution is between 0.2 and 0.5 percent, and the mass concentration of the sodium hydroxide solution is between 5 and 10 percent. The blue algae scavenger prepared by the method has the advantages of obvious blue algae removal effect, low cost and no secondary pollution.

Description

technical field [0001] The invention belongs to the field of water environment protection, and in particular relates to a cyanobacteria scavenger used for removing cyanobacteria in freshwater waters and a preparation method thereof. Background technique [0002] Cyanobacterial blooms have become a worldwide environmental disaster, in Lake Ney in the UK, inland lakes and rivers in Australia, the Arno River in Italy, the Rhine River in Germany, Dianchi Lake, Taihu Lake, Chaohu Lake, Bohai Sea, Yellow Sea, East China Sea, China, etc. Blue-green algae outbreaks have occurred along the coast of Guangdong, affecting the surrounding industries, agriculture, tourism, and people's lives. The emergence of "Water Bloom" will have a greater impact such as deterioration of water quality, decrease in transparency of water body, and decrease in tourism value; water body lacks oxygen and dead fish, algae corruption emits peculiar smell, water supply and water treatment are hindered, and lak...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52
Inventor 严春杰韩利雄朱小燕梅娟余洪杰汪涛郭爱锋肖国琪海书杰
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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