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Multifunctional composite algae-removal particle

A multi-functional, granular technology, applied in the direction of herbicides and algicides, special treatment targets, biocides, etc., can solve serious threats to fish, shrimp, and crab declarations, which are unfavorable to the growth of fish, shrimp, and crabs, and threaten human life and health and other problems, to achieve good algae removal effect, reduce water pollution, good adsorption and water purification effect

Active Publication Date: 2017-04-19
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The existing algaecides have incomplete dehydration function and are easy to pollute the water body, which is not only unfavorable for the growth of fish, shrimp, and crabs, but also seriously threatens the health of fish, shrimp, and crabs, and then threatens human life and health. Therefore, It is imminent to develop an algaecide that can not only completely remove algae, but also reduce water pollution, effectively increase the concentration of trace elements in water, and promote the healthy growth of fish, shrimp, and crabs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A multifunctional composite algae-removing granule, calculated by weight percentage, is composed of the following components: 0.08% algaecide, 0.1% sodium percarbonate crystal, 2% lithium magnesium silicate, 2% potassium silicate, 20% water-based polyurethane Paint, 10% water-swellable composition, 0.1% of composite foaming agent, 0.2% of laurel yam extract, 0.1% of yellow bead grass extract, 2% of microporous ceramic powder, and the balance is water-soluble polymer.

[0028] Wherein, the water-swellable composition is a mixture of water-swellable resin and starch in a weight ratio of 1:1. The water-soluble polymer is acrylic resin. The composite foaming agent is a mixture of turpentine oil through alcohol, azodicarbonamide and tea saponin in a weight ratio of 1:1:1. The pore diameter of the microporous ceramic powder is 1 nm, and the particle size of the powder is 1 μm. The algaecide is an inorganic algaecide cuprous oxide.

[0029] The preparation method of the alg...

Embodiment 2

[0035] A multifunctional composite algae-removing granule, calculated by weight percentage, is composed of the following components: 1.54% algaecide, 1.05% sodium percarbonate crystal, 4% lithium magnesium silicate, 2.5% potassium silicate, 25% water-based polyurethane Paint, 20% water-swellable composition, 0.2% of composite foaming agent, 0.35% of laurel yam extract, 0.15% of yellow bead grass extract, 3.5% of microporous ceramic powder, and the balance is water-soluble polymer.

[0036] Wherein, the water-swellable composition is a mixture of water-swellable resin, starch, and cellulose in a weight ratio of 2:1:1. The water-soluble polymer is urethane. The composite foaming agent is a mixture of turpentine through alcohol, azodicarbonamide and tea saponin in a weight ratio of 1:2:6. The pore diameter of the microporous ceramic powder is 10.5 nm, and the particle size of the powder is 50 μm. The algaecide is a mixture of organic algaecide 2,2-dibromo-3-nitrilopropionamide ...

Embodiment 3

[0043] A multifunctional composite algae-removing granule, calculated by weight percentage, is composed of the following components: 3% algaecide, 2% sodium percarbonate crystals, 6% lithium magnesium silicate, 3% potassium silicate, 30% water-based polyurethane Paint, 30% water-swellable composition, 0.3% of composite foaming agent, 0.5% of laurel yam extract, 0.2% of yellow bead grass extract, 5% of microporous ceramic powder, and the balance is water-soluble polymer.

[0044] Wherein, the water-swellable composition is a mixture of water-swellable resin, starch, cellulose and gum in a weight ratio of 3:1:2:1. The water-soluble polymer is polysiloxane. The composite foaming agent is a mixture of turpentine through alcohol, azodicarbonamide and tea saponin in a weight ratio of 5:2:1. The pore size of the microporous ceramic powder is 20nm, and the particle size of the powder is 100 μm. The algaecide is composed of organic algaecide 2,2-dibromo-2-nitroethanol and 4,5-dichlor...

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Abstract

The invention discloses a multifunctional composite algae-removal particle. The particle is prepared from the following components in weight percentage: 0.08-3% of algaecide, 0.1-2% of sodium percarbonate crystal, 2-6% lithium magnesium silicate, 2-3% of potassium silicate, 20-30% of aqueous polyurethane coating, 10-30% of water-swellable composition, 0.1-0.3% of composite foaming agent, 0.2-0.5% of anredera extract, 0.1-0.2% of virgatus extract, 2-5% of microporous ceramic powder and water-soluble polymers as the balance. The preparation method of the particle comprises the steps of crushing sodium percarbonate crystals, lithium magnesium silicate and potassium silicate, mixing up obtained powders with the algaecide, adopting obtained materials as a core body, coating the core body with the aqueous polyurethane coating, coating again with the water-swellable composition, and coating for a third time with the water-soluble polymers to obtain the algae-removal particle. The prepared algae-removal particle is novel in form, and the targeted delivery of the prepared algae-removal particle is enabled. Meanwhile, the prepared algae-removal particle is large in local application concentration and can thoroughly remove algae. The water pollution can be reduced by the algae-removal particle.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to a multifunctional composite algae-removing granule. Background technique [0002] A large amount of domestic sewage and industrial wastewater rich in N and P are discharged into rivers and lakes, and then collected into the ocean, causing eutrophication of the water body, causing algae and other plankton to multiply rapidly and causing serious environmental disasters. It occurs frequently in various lakes, rivers and sea areas in my country. The massive reproduction of algae not only seriously hinders the water surface traffic, but also seriously damages the water environment and endangers the safety of the ecological environment. [0003] After long-term research and practice, three main types of algae removal technologies have been formed by means of physics, chemistry and biology. [0004] Physical methods can be divided into removal method and killing method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J13/02C02F1/50C08J3/12A01N25/26A01N59/00A01P1/00A01P3/00A01P13/00
CPCA01N25/26A01N59/00B01J13/02C02F1/50C02F2303/20C08J3/126
Inventor 李屹王妍琳王芬
Owner TIANJIN UNIV
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