CN114100393A - Preparation method of sodium hypochlorite composite solution - Google Patents
Preparation method of sodium hypochlorite composite solution Download PDFInfo
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- CN114100393A CN114100393A CN202111414027.1A CN202111414027A CN114100393A CN 114100393 A CN114100393 A CN 114100393A CN 202111414027 A CN202111414027 A CN 202111414027A CN 114100393 A CN114100393 A CN 114100393A
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- sodium hypochlorite
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention relates to a preparation method of a sodium hypochlorite composite solution, which comprises the following raw materials by mass: 73-83 parts of sodium hypochlorite solution, 1-5 parts of starch, 15-18 parts of crystalline glucose, 1-5 parts of diatomite and 10-20 parts of water, wherein the preparation method comprises the following steps: (1) adding water into a sealed tank, (2) sieving starch and diatomite, (3) adding starch into the sealed tank, (4) adding a certain amount of sodium hypochlorite solution into the sealed tank, (5) adding crystalline glucose into the sealed tank, (6) adding the remaining one third of the sodium hypochlorite solution into the sealed tank and stirring, (7) adding diatomite into the stirred solution, (8) standing for 24 hours, filtering, and packaging the sodium hypochlorite composite solution obtained after filtering into a light-proof sealed bottle for storage.
Description
Technical Field
The invention relates to the field of water purifying agents of environmental pollution treating agents, in particular to a preparation method of a sodium hypochlorite composite solution.
Background
At present, most of the existing drinking water purifying agents and flocculating agents are single chemical components or the single chemical components and inorganic flocculating agents are combined to purify water, the single chemical component purifying agents can generate residues of harmful elements in the process of purifying the water, and the inorganic flocculating agents react with the water slowly and are easy to generate secondary pollution.
Disclosure of Invention
The invention aims to provide a preparation method of a sodium hypochlorite composite solution, which is used for treating a water body in a physical and chemical combined mode and reducing the generation of secondary pollution.
In order to achieve the above purpose, the following technical scheme is provided:
the preparation method of the sodium hypochlorite composite solution is characterized in that raw materials comprise a sodium hypochlorite solution, starch, crystalline glucose, diatomite and water, and the following proportions are adopted in the mass ratio of the raw materials: 73-83 parts of sodium hypochlorite solution, 1-5 parts of starch, 15-18 parts of crystalline glucose, 1-5 parts of kieselguhr and 10-20 parts of water.
Preferably, the preparation method of the sodium hypochlorite composite solution comprises the following preparation steps:
(1) adding water into a sealed tank, wherein the outer side of the sealed tank is connected with an air pump and a feeding device;
(2) sieving the starch and the diatomite to ensure that the starch and the diatomite are free from caking;
(3) gradually adding the sieved starch into a sealed tank for hydrolysis, continuously stirring for 10-30 min, and keeping the temperature at 55-75 ℃;
(4) cooling the stirred solution to room temperature, adding two thirds of 73-83 parts of sodium hypochlorite solution into the stirred solution, and stirring for 1-2 h at the stirring speed of 60 r/min;
(5) gradually adding crystalline glucose into the sealed tank, continuously stirring for 10-30 min, and keeping the temperature at 20-30 ℃;
(6) slowly and continuously adding the remaining one third of the sodium hypochlorite solution into the solution which is completely stirred and reacted, and stirring for 1-2 hours;
(7) adding diatomite into the stirred solution and stirring for 10-30 min;
(8) standing the stirred solution for 24h, filtering, and packaging the sodium hypochlorite composite solution obtained after filtering into a light-proof sealed bottle for preservation.
Preferably, the concentration of the sodium hypochlorite solution is 10% -30%.
Preferably, in the step (3), the concentration of the solution after the hydrolysis and gelatinization is 15% -25%.
Preferably, in the step (2), the starch sieve mesh number is 80-160 meshes, and the diatomite sieve mesh number is 100-120 meshes.
Preferably, the sieve mesh number of the solution in the step (8) is 80-100 meshes.
The invention has the beneficial effects that:
the invention adopts a mode of organically combining physics and chemistry to purify the water body, adopts chemical materials to comprehensively sterilize and disinfect the water body, and adopts physical natural materials to adsorb impurities in the water body, thereby avoiding the addition of inorganic flocculant and the generation of secondary pollution, and having better effect of purifying and treating water quality.
Detailed Description
The following describes in detail embodiments of the present invention with reference to specific embodiments.
A preparation method of a sodium hypochlorite composite solution comprises the following raw materials of a liquid sodium hypochlorite solution, starch, crystalline glucose, diatomite and water in a mass ratio: 73-83 parts of sodium hypochlorite solution, 10% -30% of sodium hypochlorite solution, 1-5 parts of starch, 15-18 parts of crystalline glucose, 1-5 parts of diatomite and 10-20 parts of water.
Preferably, the preparation method of the sodium hypochlorite composite solution comprises the following preparation steps:
(1) adding water into a sealed tank, wherein the outer side of the sealed tank is connected with an air pump and a feeding device;
(2) sieving starch and diatomite by 80-160 meshes and 100-120 meshes so as to ensure that the starch and the diatomite are free from caking, accelerate the reaction rate during the reaction and ensure that the reaction is more complete;
(3) adding the sieved starch into a sealed tank step by step for hydrolysis, continuously stirring for 10-30 min, keeping the temperature at 55-75 ℃, accelerating the hydrolysis process, and controlling the concentration of the solution after hydrolysis and gelatinization to be 15% -25%;
(4) cooling the stirred solution to room temperature, adding two thirds of 73-83 parts of sodium hypochlorite solution into the stirred solution, and stirring for 1-2 h at the stirring speed of 60 r/min;
(5) gradually adding crystalline glucose into the sealed tank, continuously stirring for 10-30 min, keeping the temperature at 20-30 ℃, and increasing the viscosity of the solution;
(6) slowly and continuously adding the remaining one third of the sodium hypochlorite solution into the solution which is completely stirred and reacted, and stirring for 1-2 hours;
(7) adding diatomite into the stirred solution and stirring for 10-30 min;
(8) standing the stirred solution for 24h, filtering, wherein the sieving mesh number of the solution is 80-100 meshes, and packaging the sodium hypochlorite composite solution obtained after filtering into a light-proof sealed bottle for preservation to prevent the solution from being decomposed by light.
Example 1
Adding 100ml of water into a sealed tank, and connecting an air pump and a feeding device outside the sealed tank; sieving the starch and the diatomite to ensure that the starch and the diatomite are free from caking; gradually adding 10g of sieved starch into a sealed tank for hydrolysis, continuously stirring for 30min, and keeping the temperature at 55-75 ℃; cooling the stirred solution to room temperature, adding two thirds of 750ml of sodium hypochlorite solution into the stirred solution, and stirring for 1h at the stirring speed of 60 r/min; gradually adding 176g of crystalline glucose into the sealed tank, continuously stirring for 20min, and keeping the temperature at 20-30 ℃; slowly and continuously adding the remaining one third of the sodium hypochlorite solution into the solution which is completely stirred and reacted, and stirring for 1 h; adding 9g of diatomite into the stirred solution, and stirring for 30 min; standing the stirred solution for 24h, filtering, and packaging the sodium hypochlorite composite solution obtained after filtering into a light-proof sealed bottle for preservation.
Example 2
Adding 100ml of water into a sealed tank, and connecting an air pump and a feeding device outside the sealed tank; sieving the starch and the diatomite to ensure that the starch and the diatomite are free from caking; gradually adding 25g of sieved starch into a sealed tank, hydrolyzing, continuously stirring for 30min, and keeping the temperature at 55-75 ℃; cooling the stirred solution to room temperature, adding two thirds of 750ml of sodium hypochlorite solution into the stirred solution, and stirring for 1h at the stirring speed of 60 r/min; adding 167g of crystalline glucose into the sealed tank gradually, stirring for 20min continuously, and keeping the temperature at 20-30 ℃; slowly and continuously adding the remaining one third of the sodium hypochlorite solution into the solution which is completely stirred and reacted, and stirring for 1 h; adding 8g of diatomite into the stirred solution, and stirring for 30 min; standing the stirred solution for 24h, filtering, and packaging the sodium hypochlorite composite solution obtained after filtering into a light-proof sealed bottle for preservation.
Example 3
Adding 100ml of water into a sealed tank, and connecting an air pump and a feeding device outside the sealed tank; sieving the starch and the diatomite to ensure that the starch and the diatomite are free from caking; gradually adding 50g of sieved starch into a sealed tank, hydrolyzing, continuously stirring for 30min, and keeping the temperature at 55-75 ℃; cooling the stirred solution to room temperature, adding two thirds of 750ml of sodium hypochlorite solution into the stirred solution, and stirring for 1h at the stirring speed of 60 r/min; gradually adding 158g of crystalline glucose into the sealed tank, continuously stirring for 20min, and keeping the temperature at 20-30 ℃; slowly and continuously adding the remaining one third of the sodium hypochlorite solution into the solution which is completely stirred and reacted, and stirring for 1 h; adding 7g of diatomite into the stirred solution, and stirring for 30 min; standing the stirred solution for 24h, filtering, and packaging the sodium hypochlorite composite solution obtained after filtering into a light-proof sealed bottle for preservation.
Claims (6)
1. The preparation method of the sodium hypochlorite composite solution is characterized in that raw materials comprise a sodium hypochlorite solution, starch, crystalline glucose, diatomite and water, and the following proportions are adopted in the mass ratio of the raw materials: 73-83 parts of sodium hypochlorite solution, 1-5 parts of starch, 15-18 parts of crystalline glucose, 1-5 parts of kieselguhr and 10-20 parts of water.
2. The method for preparing the sodium hypochlorite composite solution according to claim 1, wherein the method for preparing the sodium hypochlorite composite solution comprises the following steps:
(1) adding water into a sealed tank, wherein the outer side of the sealed tank is connected with an air pump and a feeding device;
(2) sieving the starch and the diatomite to ensure that the starch and the diatomite are free from caking;
(3) gradually adding the sieved starch into a sealed tank, hydrolyzing and gelatinizing, continuously stirring for 10-30 min, and keeping the temperature at 55-75 ℃;
(4) cooling the stirred solution to room temperature, adding two thirds of 73-83 parts of sodium hypochlorite solution into the stirred solution, and stirring for 1-2 h at the stirring speed of 60 r/min;
(5) gradually adding crystalline glucose into the sealed tank, continuously stirring for 10-30 min, and keeping the temperature at 20-30 ℃;
(6) slowly and continuously adding the remaining one third of the sodium hypochlorite solution into the solution which is completely stirred and reacted, and stirring for 1-2 hours;
(7) adding diatomite into the stirred solution and stirring for 10-30 min;
(8) standing the stirred solution for 24h, filtering, and packaging the sodium hypochlorite composite solution obtained after filtering into a light-proof sealed bottle for preservation.
3. The method for preparing the sodium hypochlorite composite solution according to claim 1, wherein the concentration of the sodium hypochlorite solution is 10-30%.
4. The method for preparing a sodium hypochlorite composite solution as claimed in claim 1, wherein in the step (3), the concentration of the solution after hydrolysis and gelatinization is 15% -25%.
5. The method for preparing a sodium hypochlorite composite solution as claimed in claim 1, wherein in the step (2), the starch has a mesh size of 80-160 meshes, and the diatomaceous earth has a mesh size of 100-120 meshes.
6. The method for preparing a sodium hypochlorite composite solution according to claim 1, wherein the sieving mesh number of the solution in the step (8) is 80-100 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111414027.1A CN114100393A (en) | 2021-11-25 | 2021-11-25 | Preparation method of sodium hypochlorite composite solution |
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| CN202111414027.1A CN114100393A (en) | 2021-11-25 | 2021-11-25 | Preparation method of sodium hypochlorite composite solution |
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Citations (13)
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2021
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