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Sewage ammonia nitrogen remover and preparation method thereof

A technology of remover and ammonia nitrogen, applied in water/sewage treatment, chemical instruments and methods, oxidized water/sewage treatment, etc., can solve the problems of narrow application range, few types of removers, unsatisfactory effect, etc., and achieve simple operation, The effect of reducing production cost and good ammonia nitrogen removal effect

Pending Publication Date: 2022-06-03
刘耀红 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the disadvantages in the prior art that there are few types of removers for treating sewage ammonia nitrogen in the market, and the scope of application is narrow, there are many restrictions on use, and the effect is not ideal, and the proposed A kind of sewage ammonia nitrogen remover and preparation method thereof

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044]A sewage ammonia nitrogen remover, comprising the following raw materials: 13 mL of water, 31 mL of sulfuric acid, 20 g of calcium aluminate powder, 4 g of aluminum oxide powder, 2 g of iron oxide powder, 3 g of sodium percarbonate, 2 g of sodium chlorate, 7 g of active calcium, and brine solution 0.5g, dispersant 4g, sodium peroxide 1g;

[0045] Its preparation method comprises the following steps:

[0046] S1: put calcium aluminate powder, aluminum oxide powder, iron oxide powder, sodium percarbonate, sodium chlorate, active calcium and sodium peroxide into a grinder respectively for grinding, grind the agglomerates therein, and then pass 130 mesh screen, the raw materials under the sieve are stored for later use, then water, sulfuric acid and calcium aluminate powder are mixed, and the reaction is stirred at a speed of 70r / min for 33min;

[0047] S2: add alumina powder, stir and react at a speed of 80r / min for 10min;

[0048] S3: adding iron oxide powder, stirring a...

Embodiment 2

[0057] A sewage ammonia nitrogen remover, comprising the following raw materials: 15 mL of water, 33 mL of sulfuric acid, 22 g of calcium aluminate powder, 6 g of aluminum oxide powder, 2.5 g of iron oxide powder, 5 g of sodium percarbonate, 4 g of sodium chlorate, 9 g of active calcium, and salt water. Liquid 1g, dispersant 6g, sodium peroxide 1.5g;

[0058] Its preparation method comprises the following steps:

[0059] S1: put calcium aluminate powder, aluminum oxide powder, iron oxide powder, sodium percarbonate, sodium chlorate, active calcium and sodium peroxide into a grinder respectively for grinding, grind the agglomerates therein, and then pass 150 mesh screen, the raw materials under the sieve are stored for later use, then water, sulfuric acid and calcium aluminate powder are mixed, and the reaction is stirred at a speed of 75r / min for 35min;

[0060] S2: add alumina powder, stir and react at a speed of 83r / min for 12min;

[0061] S3: adding iron oxide powder, sti...

Embodiment 3

[0070] A sewage ammonia nitrogen remover, comprising the following raw materials: 17 mL of water, 35 mL of sulfuric acid, 24 g of calcium aluminate powder, 8 g of alumina powder, 3 g of iron oxide powder, 7 g of sodium percarbonate, 6 g of sodium chlorate, 11 g of active calcium, and brine solution 1.5g, dispersant 8g, sodium peroxide 2g;

[0071] Its preparation method comprises the following steps:

[0072] S1: put calcium aluminate powder, aluminum oxide powder, iron oxide powder, sodium percarbonate, sodium chlorate, active calcium and sodium peroxide into a grinder respectively for grinding, grind the agglomerates therein, and then pass 170 Mesh screen, the raw materials under the sieve are stored for later use, then water, sulfuric acid and calcium aluminate powder are mixed, and the reaction is stirred at a speed of 80r / min for 37min;

[0073] S2: add alumina powder, stir and react at a speed of 85r / min for 14min;

[0074] S3: adding iron oxide powder, stirring and re...

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Abstract

The invention belongs to the field of ammonia nitrogen removing agents, particularly relates to a sewage ammonia nitrogen removing agent and a preparation method thereof, and provides the following scheme aiming at the problems that the existing removing agents for treating sewage ammonia nitrogen in the market are few in type, narrow in application range, limited in use and not ideal in effect. The sewage ammonia nitrogen remover comprises the following raw materials: 13-17 mL of water, 31-35 mL of sulfuric acid, 20-24 g of calcium aluminate powder, 4-8 g of alumina powder, 2-3 g of iron oxide powder, 3-7 g of sodium percarbonate, 2-6 g of sodium chlorate, 7-11 g of active calcium, 0.5-1.5 g of a saline solution, 4-8 g of a dispersant and 1-2 g of sodium peroxide. The sewage ammonia nitrogen remover can effectively remove ammonia nitrogen in sewage, and has the advantages of high efficiency, good effect, simple preparation process and low cost.

Description

technical field [0001] The invention relates to the technical field of ammonia nitrogen removers, in particular to a sewage ammonia nitrogen remover and a preparation method thereof. Background technique [0002] Ammonia nitrogen refers to nitrogen in the water in the form of free ammonia (NH3) and ammonium ions (NH4+). High-concentration ammonia nitrogen wastewater has a wide range of sources and large emissions, such as fertilizers, coking, petrochemicals, pharmaceuticals, food, and landfills. A large amount of high-concentration ammonia nitrogen wastewater is generated; a large amount of ammonia nitrogen wastewater is discharged into the water body, which will not only cause eutrophication of the water body and cause the water body to be black and odorous, but also increase the difficulty and cost of water treatment, and even have toxic effects on people and organisms; control pollution, save energy and reduce emissions It has become an important topic in the implementation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00C02F1/72C02F1/76C02F1/28C02F101/16C02F101/30
CPCC02F1/00C02F1/722C02F1/76C02F1/281C02F2101/16C02F2101/30C02F2303/04C02F2303/02Y02W10/10
Inventor 刘耀红刘俊升刘建鹏
Owner 刘耀红
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