Extraction of natural flocculation active ingredients from citrus peel, preparation of algaecide and method for removing algae in water

A technology of active ingredient and citrus peel, applied in the field of flocculant preparation, can solve the problems of cumbersome production process of flocculant, and achieve the effect of good flocculation effect, easy popularization and application, and clear water body

Inactive Publication Date: 2017-05-31
HENAN UNIV OF URBAN CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production process of the flocculant is cumbersome, and pressure vessels such as reaction kettles are also required

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The present invention extracts the natural flocculation active ingredient from the tangerine peel to prepare the algaecide and use it for algae removal method, comprising the following steps:

[0027] (1) Wash the fresh mandarin orange peel, dry it naturally or dry it, and crush it until the particle size is 20-80 mesh;

[0028] (2) Mix crushed orange peel with ultrapure water or distilled water, boiled and cooled tap water according to the ratio of mass: volume = 1: 2.78 to 1: 33.33, preferably 1: 11.11, and place it for 0.5 to 48 Hours, preferably 24 hours, to promote the active ingredient contained in the orange peel fully stripping;

[0029] (3) Use a centrifuge to centrifuge the extract, remove the tangerine peel residue to obtain a water extract of the citrus peel;

[0030] (4) Dilute 0.5-10mL of the extract to 30mL with ultrapure water, distilled water, or boiled and cooled tap water, which is the final flocculant;

[0031] (5) Take the flocculant described in ...

Embodiment 2

[0033] The present embodiment extracts the method for natural flocculation active ingredient from the tangerine peel, comprises the steps as follows:

[0034] (1) Mix the pretreated mandarin orange peel with ultrapure water, distilled water or boiled and cooled tap water according to the mass:volume ratio of 1:2.78-33.33.

[0035] (2) Treating the extract, removing the citrus peel residue to obtain a water extract of citrus peel.

[0036] For the mass:volume ratio mentioned in the foregoing embodiments, the mass unit is measured in grams or kilograms, and the volume unit is correspondingly measured in milliliters or liters, the same below.

Embodiment 3

[0038] The method for extracting natural flocculation active ingredients from tangerine peels in this embodiment differs from Example 2 in that the steps of pretreatment of tangerine peels include: cleaning, natural drying or drying, and crushing of tangerine peels : wash the tangerine peel with boiled and cooled tap water or ultrapure water, dry it naturally or dry it at 40-60°C for 2-4 days to obtain the dried tangerine peel material, and then crush it until the particle size is 20-60°C. 80 mesh.

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PUM

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Abstract

The invention relates to a method for extracting natural flocculation active ingredients, in particular to a method for extracting natural flocculation active ingredients from hesperidium peels. According to the method, the pretreated hesperidium peels and ultra-pure water or distilled water or cooled boiling tap water are first mixed according to the mass-volume proportion of 1:2.78-33.33; then leaching liquor is treated, and hesperidium peel residues are removed to obtain water extract of the hesperidium peels. The invention further discloses a method for preparing algaecide through the natural flocculation active ingredients extracted from the hesperidium peels and a method for removing algae in water through the algaecide. 0.5-10 mL of the obtained water extract of the hesperidium peels is diluted to 30 mL through the ultra-pure water or the distilled water or the cooled boiling tap water to prepare a flocculating agent finished product; the flocculating agent is added into the water containing the algae to stand so that the flocculating agent and the algae in the water can react to remove the algae in the water. The algaecide prepared from the natural flocculation active ingredients extracted form the hesperidium peels belongs to a natural ingredient, is used for removing the algae and easy to degrade in the water body and will not cause secondary pollution.

Description

technical field [0001] The invention relates to a method for extracting natural flocculation active ingredients for algae removal, in particular to a method for extracting natural flocculation active ingredients from orange peel, preparing flocculant and removing algae in water. Background technique [0002] Eutrophication of water body is one of the most important water pollution problems facing the world today. With the continuous development of modern urbanization and industry, the eutrophication of water body is becoming more and more serious, which has become the main factor restricting the development of national economy and society in our country. The eutrophication of the water body leads to frequent outbreaks of algae blooms, and the function of the water body is greatly damaged. [0003] In the emergency treatment of algae outbreaks, mechanical salvage consumes a lot of manpower, and the start-up time of biological treatment is relatively long. There is a certain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/54B01D11/02
Inventor 王红强焦学然成水平田长勋邓启湘郭一飞
Owner HENAN UNIV OF URBAN CONSTR
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