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White carbon black based blue-green algae inhibitor and preparation method and application thereof

A technology of white carbon black and inhibitors, which is applied in the field of cyanobacteria inhibitors and their preparation, can solve the problems of undiscussed ecological safety, high ecological safety, and long action cycle, and achieve excellent algae removal effect, huge specific surface area, The effect that usage is simple

Active Publication Date: 2017-03-08
SANMING FENGRUN CHEM
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The biological or ecological algae removal method has the characteristics of high ecological security and low cost, but the effect is slow and the action period is long; while the microbial algae inhibition is quick, but its ecological safety is still open to question

Method used

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  • White carbon black based blue-green algae inhibitor and preparation method and application thereof
  • White carbon black based blue-green algae inhibitor and preparation method and application thereof
  • White carbon black based blue-green algae inhibitor and preparation method and application thereof

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preparation example Construction

[0028] The present invention also provides a preparation method of a white carbon black-based cyanobacteria inhibitor, wherein the preparation method comprises: uniformly mixing white carbon black and water, ultrasonically dispersing, and vacuum filtering to obtain white carbon black crystals; wherein , relative to 1g of white carbon black, the amount of water used is not less than 5mL; the white carbon black crystals are mixed with p-hydroxybenzoic acid aqueous solution to obtain the cyanobacteria inhibitor; wherein, relative to 5mL of p-hydroxybenzoic acid aqueous solution , the added amount of the white carbon black crystals is 0.25-5g, and the concentration of the p-hydroxybenzoic acid aqueous solution is 0.6-1.4g / L.

[0029] In order to make the silica better form crystalline silica in water, in a preferred embodiment of the present invention, the ultrasonic dispersion time is 8-12 minutes.

[0030] The present invention also provides an application of a cyanobacteria inh...

Embodiment 1

[0033] Mix 5g of white carbon black and 500mL of water evenly, ultrasonically disperse and vacuum filter (filter paper pore size: 0.45μm) to obtain white carbon black crystals; mix 0.5g of white carbon black with 5mL of p-hydroxyl with a concentration of 0.6g / L The benzoic acid aqueous solution was added to 50 mL of Microcystis aeruginosa (the optical density value of the algae liquid OD680=0.5); after stirring, it was left to stand for 60 minutes to separate the flocs in the algae liquid.

Embodiment 2

[0035] Carry out according to the method for embodiment 1, difference is, the concentration of p-hydroxybenzoic acid aqueous solution is 0.8g / L.

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Abstract

The invention discloses a white carbon black based blue-green algae inhibitor and a preparation method and application thereof. The blue-green algae inhibitor is prepared by mixing a white carbon black crystal substance and a p-hydroxybenzoic acid water solution, wherein the white carbon black crystal substance is obtained by mixing white carbon black and water and performing ultrasonic dispersion and vacuum filtration, the inhibitor forms a compound component based on certain processing and reasonable proportioning of the white carbon black and p-hydroxybenzoic acid, no side effect is produced in the algae removing process, the operating process is simple and easy, an algae removing effect is good, and the required time is short.

Description

technical field [0001] The invention relates to the field of cyanobacteria control, in particular to a white carbon black-based cyanobacteria inhibitor and its preparation method and application. Background technique [0002] At present, water eutrophication is one of the more prominent ecological and environmental problems in my country. Along with the occurrence of eutrophication, algal blooms are becoming more and more serious. Therefore, effective removal of algae in water is a direct way to reduce the harm of eutrophication in water. The main algae removal methods in the prior art are: physical, chemical, biological and physicochemical methods. [0003] Physical algae removal methods include water change, dredging, filtration, shading, DC motors, ultrasonic waves, etc. Physical algae removal is time-consuming, expensive, and difficult to operate, and cannot fundamentally solve the problems of water eutrophication and algal blooms. [0004] Chemical algae removal met...

Claims

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Application Information

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IPC IPC(8): A01N59/00A01N37/40A01P13/00C02F1/28
CPCA01N37/40A01N59/00C02F1/281C02F2303/20A01N2300/00
Inventor 左胜鹏方章顺蒋小峰丁莹陈纯林志芬周守标叶良涛
Owner SANMING FENGRUN CHEM
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