CN105253984A - Efficient COD (chemical oxygen demand) remover, preparation method of efficient COD remover and application of efficient COD remover - Google Patents
Efficient COD (chemical oxygen demand) remover, preparation method of efficient COD remover and application of efficient COD remover Download PDFInfo
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- CN105253984A CN105253984A CN201510727031.1A CN201510727031A CN105253984A CN 105253984 A CN105253984 A CN 105253984A CN 201510727031 A CN201510727031 A CN 201510727031A CN 105253984 A CN105253984 A CN 105253984A
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Abstract
The invention provides an efficient COD (chemical oxygen demand) remover, a preparation method of the efficient COD remover and application of the efficient COD remover. The efficient COD remover is mainly prepared from the following ingredients through being metered by regarding the weight of the efficient COD remover as 100 percent: 10 to 18 weight percent of aluminum sulfate, 10 to 20 weight percent of ferric sulfate, 15 to 17 weight percent of water glass, 5 to 9 weight percent of potassium permanganate and 36 to 60 weight percent of water. The prepared efficient COD remover can be applied to wastewater treatment; when the inventory is 200mg/L, the COD removal rate of wastewater can reach about 35 percent; when the inventory is 300mg/L, the COD removal rate of the wastewater can reach about 74 percent; the national energy conservation and emission reduction requirements are met; the market requirements can be well met; better market application prospects are realized.
Description
Technical field
The invention belongs to water treatment field, relate to a kind of COD remover, preparation method and application thereof, particularly relate to a kind of efficient COD remover, preparation method and application thereof.
Background technology
Current environmental pollution is on the rise, and water environment pollution is related to national economy especially.Country also more and more payes attention to the prophylactico-therapeutic measures of water pollutions.Organic waste water particularly high salt high concentrated organic wastewater process is the difficult problem that numerous domestic environmental worker and administrative authority pay close attention to always.Along with the fast development of China's chemical industry, various novel Chemicals are applied to all trades and professions, particularly in the heavily contaminated industry such as medicine, chemical industry, plating, printing and dyeing, improving the quality of products, while quality also with day by day serious problem of environmental pollution, be mainly manifested in: Organic Pollutants in Wastewater concentration is high, Stability Analysis of Structures, biochemical are poor, common process is difficult to realize qualified discharge, and processing cost is high, reduces discharging bring great pressure to industry energy conservation.
For containing the trend of environmental degradation, country's implementation focus Water Basin Water Pollution control program, accelerates city wastewater treatment and reuse engineering construction, strict control industrial water pollution thing quantity discharged, attach most importance to papermaking, food brewing, chemical industry, textile printing and dyeing industry, strengthen and administer and transformation dynamics.
But the current technology of waste water control of Environmental Protection in China industry is delayed, common technique and traditional Water Treatment Chemicals for solving in wastewater from chemical industry that COD concentration is high, toxicity is large, biodegradability is poor problem is difficult to produce a desired effect.In order to address this problem, COD remover can be added in abolishment treating processes, to expect to reduce COD concentration in waste water, improving the biodegradability of waste water.
CN102126780A discloses the application in the treatment of waste water of a kind of efficient effect COD remover, wherein, this efficient COD remover is made up of following weight ratio ingredient: Tai-Ace S 150 20 ~ 25%, ferric sulfate 25 ~ 30%, water glass 5 ~ 10%, potassium permanganate 10 ~ 25%, water 25 ~ 35%.The efficient COD remover of this invention preparation can make waste water COD clearance reach 28.48%-30.38% when dosage is 200mg/L, when dosage is 300mg/L, waste water COD clearance can be made to reach 47.15%, when dosage is 400mg/L, waste water COD clearance can be made to reach 68.48%.
In the art, expect to develop a kind of COD remover that waste water COD clearance can be made higher.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of COD remover, preparation method and application thereof, a kind of efficient COD remover, preparation method and application thereof are particularly provided.
For reaching this object, the present invention by the following technical solutions:
The invention provides a kind of efficient COD remover, described efficient COD remover prepares primarily of the following raw material being 100% in the weight of efficient COD remover:
In the raw material of efficient COD remover of the present invention, the consumption of Tai-Ace S 150 is 10 ~ 18 % by weight, such as 10 % by weight, 10.5 % by weight, 11 % by weight, 11.5 % by weight, 12 % by weight, 12.5 % by weight, 13 % by weight, 13.5 % by weight, 14 % by weight, 14.5 % by weight, 15 % by weight, 15.5 % by weight, 16 % by weight, 16.5 % by weight, 17 % by weight, 17.5 % by weight or 18 % by weight.
In the raw material of efficient COD remover of the present invention, the consumption of ferric sulfate is 10 ~ 20 % by weight, such as 10 % by weight, 11 % by weight, 12 % by weight, 13 % by weight, 14 % by weight, 15 % by weight, 16 % by weight, 17 % by weight, 18 % by weight, 19 % by weight or 20 % by weight.
In the raw material of efficient COD remover of the present invention, the consumption of water glass is 15 ~ 17 % by weight, such as 15 % by weight, 15.5 % by weight, 16 % by weight, 16.5 % by weight or 17 % by weight.
In the raw material of efficient COD remover of the present invention, the consumption of potassium permanganate is 5 ~ 9 % by weight, such as 5 % by weight, 5.3 % by weight, 5.5 % by weight, 5.8 % by weight, 6 % by weight, 6.3 % by weight, 6.5 % by weight, 6.8 % by weight, 7 % by weight, 7.3 % by weight, 7.5 % by weight, 7.8 % by weight, 8 % by weight, 8.3 % by weight, 8.5 % by weight, 8.8 % by weight or 9 % by weight.
In the raw material of efficient COD remover of the present invention, the consumption of water is 36 ~ 60 % by weight, such as 36 % by weight, 37 % by weight, 38 % by weight, 39 % by weight, 40 % by weight, 41 % by weight, 42 % by weight, 43 % by weight, 44 % by weight, 45 % by weight, 46 % by weight, 47 % by weight, 48 % by weight, 49 % by weight, 50 % by weight, 51 % by weight, 52 % by weight, 53 % by weight, 54 % by weight, 55 % by weight, 56 % by weight, 57 % by weight, 58 % by weight, 59 % by weight or 60 % by weight.
On the other hand, present invention also offers the preparation method of efficient COD remover described herein, comprise the following steps:
By Tai-Ace S 150, ferric sulfate and sodium silicate dissolving are in 45 ~ 55 DEG C (such as 45 DEG C, 46 DEG C, 47 DEG C, 48 DEG C, 49 DEG C, 50 DEG C, 51 DEG C, 52 DEG C, 53 DEG C, 54 DEG C or 55 DEG C) water in, add potassium permanganate several times and carry out polyreaction 3 ~ 5 hours (such as 3 hours, 3.2 hour, 3.5 hour, 3.6 hour, 3.8 hour, 4 hours, 4.2 hour, 4.4 hour, 4.6 hour, 4.8 hours or 5 hours) after, be warming up to 75 ~ 85 DEG C (such as 75 DEG C again, 76 DEG C, 77 DEG C, 78 DEG C, 79 DEG C, 80 DEG C, 81 DEG C, 82 DEG C, 83 DEG C, 84 DEG C or 85 DEG C) slaking 8 ~ 12 hours (such as 8 hours, 8.2 hour, 8.5 hour, 8.8 hour, 9 hours, 9.2 hour, 9.5 hour, 9.8 hour, 10 hours, 10.3 hours, 10.5 hours, 10.8 hours, 11 hours, 11.3 hours, 11.5 hours, 11.8 hours or 12 hours), filter, obtain efficient COD remover.
On the other hand, the invention provides efficient COD remover described herein application in the treatment of waste water, be applicable to the process of trade effluent and municipal effluent, in the treatment of waste water, described efficient COD remover dosage in the treatment of waste water adds 200 ~ 400mg for often liter of waste water.
The efficient COD remover of the present invention's application has strong oxidizing property, can destroy and change chemical molecular structure stable in waste water, and current collection neutralization, flocculation, absorption, build bridge, volume sweep and co-precipitation etc. multi-functional in one, processing cost is low, while significantly removing organic pollutant, the biodegradability of very big raising waste water, thus the object reaching effectively degraded COD.
When efficient COD remover of the present invention refers to that charging capacity is 200mg/L, COD clearance can reach the COD remover of more than 35%.
Relative to prior art, the present invention has following beneficial effect:
The efficient COD remover prepared by the present invention, can be applicable to the process of waste water, when charging capacity is 200mg/L, the COD clearance of waste water can be made to reach about 35%, when charging capacity is 300mg/L, the COD clearance of waste water can be made to reach about 55%, when charging capacity is 400mg/L, the COD clearance of waste water can be made to reach about 74%, meet national energy-saving and reduce discharging requirement, can well meet the need of market, there is good market application foreground.
Embodiment
Technical scheme of the present invention is further illustrated below by embodiment.Those skilled in the art should understand, described embodiment is only help to understand the present invention, should not be considered as concrete restriction of the present invention.
Embodiment 1
In the present embodiment, efficient COD remover is prepared by following raw material:
Prepare by the following method, specifically comprise the following steps:
By Tai-Ace S 150, ferric sulfate and sodium silicate dissolving in the water of 45 DEG C, add potassium permanganate several times and carry out polyreaction after 5 hours, then be warming up to 75 DEG C of slakings 12 hours, filter, obtain efficient COD remover.
Embodiment 2
In the present embodiment, efficient COD remover is prepared by following raw material:
Prepare by the following method, specifically comprise the following steps:
By Tai-Ace S 150, ferric sulfate and sodium silicate dissolving in the water of 55 DEG C, add potassium permanganate several times and carry out polyreaction after 3 hours, then be warming up to 85 DEG C of slakings 8 hours, filter, obtain efficient COD remover.
Embodiment 3
In the present embodiment, efficient COD remover is prepared by following raw material:
Prepare by the following method, specifically comprise the following steps:
By Tai-Ace S 150, ferric sulfate and sodium silicate dissolving in the water of 50 DEG C, add potassium permanganate several times and carry out polyreaction after 4 hours, then be warming up to 80 DEG C of slakings 10 hours, filter, obtain efficient COD remover.
Embodiment 4
In the present embodiment, efficient COD remover is prepared by following raw material:
Prepare by the following method, specifically comprise the following steps:
By Tai-Ace S 150, ferric sulfate and sodium silicate dissolving in the water of 50 DEG C, add potassium permanganate several times and carry out polyreaction after 4 hours, then be warming up to 80 DEG C of slakings 10 hours, filter, obtain efficient COD remover.
Embodiment 5
In the present embodiment, efficient COD remover is prepared by following raw material:
Prepare by the following method, specifically comprise the following steps:
By Tai-Ace S 150, ferric sulfate and sodium silicate dissolving in the water of 45 DEG C, add potassium permanganate several times and carry out polyreaction after 5 hours, then be warming up to 80 DEG C of slakings 10 hours, filter, obtain efficient COD remover.
Comparative example 1
In this comparative example, prepare COD remover by following raw material:
Preparation method is identical with embodiment 1 with selected reaction conditions.
Comparative example 2
In this comparative example, prepare COD remover by following raw material:
Preparation method is identical with embodiment 2 with selected reaction conditions.
Comparative example 3
In this comparative example, prepare COD remover by following raw material:
Preparation method is identical with embodiment 3 with selected reaction conditions.
Comparative example 4
In this comparative example, prepare COD remover by following raw material:
Preparation method is identical with embodiment 4 with selected reaction conditions.
Comparative example 5
In this comparative example, prepare COD remover by following raw material:
Preparation method is identical with embodiment 5 with selected reaction conditions.
COD remover prepared by the efficient COD remover prepared by embodiment of the present invention 1-5 and comparative example 1-5, be applied to wastewater treatment, dosage is decided to be 200mg/L, 300mg/L and 400mg/L, and investigate the COD clearance to waste water, specific experiment result is as shown in table 1.
The COD clearance of table 1 waste water
As shown in Table 1, efficient COD remover prepared by embodiment of the present invention 1-5, when charging capacity is 200mg/L, the COD clearance of waste water can be made to reach about 35%, when charging capacity is 300mg/L, the COD clearance of waste water can be made to reach about 55%, when charging capacity is 500mg/L, the COD clearance of waste water can be made to reach about 74%.Under each charging capacity to the clearance of waste water COD all apparently higher than comparative example, this is because some composition is not in limited range of the present invention in comparative example, such as comparative example 1 is compared with embodiment 1, and the consumption of Tai-Ace S 150 is lower than 10%; Comparative example 2 is compared with embodiment 2, and the consumption of Tai-Ace S 150 is higher than 18%, and the consumption of ferric sulfate is lower than 10%; Comparative example 3 is compared with embodiment 3, and the consumption of ferric sulfate is higher than 20%, and the consumption of water glass is lower than 15%; Comparative example 4 is compared with embodiment 4, and the consumption of water glass is higher than 17%, and the consumption of potassium permanganate is lower than 5%; Comparative example 5 is compared with embodiment 5, and the consumption of potassium permanganate is higher than 9%.The removal efficiency of COD remover to waste water prepared by these comparative examples is starkly lower than embodiment.
Therefore, the COD remover that the present invention utilizes 10 ~ 18 % by weight Tai-Ace S 150,10 ~ 20 % by weight ferric sulfate, 15 ~ 17 % by weight water glass, 5 ~ 9 % by weight potassium permanganate and 36 ~ 60 % by weight water to prepare for raw material can remove waste water COD efficiently, meet national energy-saving and reduce discharging requirement, can well meet the need of market, there is good market application foreground.
Applicant states, the present invention illustrates efficient COD remover of the present invention by above-described embodiment, but the present invention is not limited to above-described embodiment, does not namely mean that the present invention must rely on above-described embodiment and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (3)
1. an efficient COD remover, is characterized in that, described efficient COD remover prepares primarily of the following raw material being 100% in the weight of efficient COD remover:
2. the preparation method of efficient COD remover according to claim 1, is characterized in that, comprise the following steps:
By Tai-Ace S 150, ferric sulfate and sodium silicate dissolving in the water of 45 ~ 55 DEG C, add potassium permanganate several times and carry out polyreaction after 3 ~ 5 hours, then be warming up to 75 ~ 85 DEG C of slakings 8 ~ 12 hours, filter, obtain efficient COD remover.
3. efficient COD remover according to claim 1 application in the treatment of waste water, is characterized in that, described efficient COD remover dosage in the treatment of waste water adds 200 ~ 400mg for often liter of waste water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510727031.1A CN105253984A (en) | 2015-10-30 | 2015-10-30 | Efficient COD (chemical oxygen demand) remover, preparation method of efficient COD remover and application of efficient COD remover |
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| CN201510727031.1A CN105253984A (en) | 2015-10-30 | 2015-10-30 | Efficient COD (chemical oxygen demand) remover, preparation method of efficient COD remover and application of efficient COD remover |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018071A (en) * | 2019-12-26 | 2020-04-17 | 辽宁鑫隆科技有限公司 | COD remover |
| CN111233057A (en) * | 2020-02-13 | 2020-06-05 | 李慎强 | Preparation method of efficient COD (chemical oxygen demand) remover |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005081323A (en) * | 2003-09-11 | 2005-03-31 | Dowa Mining Co Ltd | Method for treating boron-containing wastewater |
| CN102126779A (en) * | 2011-04-25 | 2011-07-20 | 宜兴禾大水处理技术有限公司 | High-efficiency COD remover for waste water treatment |
| CN102126780A (en) * | 2011-04-25 | 2011-07-20 | 宜兴禾大水处理技术有限公司 | Application of efficient COD (chemical oxygen demand) remover to wastewater treatment |
-
2015
- 2015-10-30 CN CN201510727031.1A patent/CN105253984A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005081323A (en) * | 2003-09-11 | 2005-03-31 | Dowa Mining Co Ltd | Method for treating boron-containing wastewater |
| CN102126779A (en) * | 2011-04-25 | 2011-07-20 | 宜兴禾大水处理技术有限公司 | High-efficiency COD remover for waste water treatment |
| CN102126780A (en) * | 2011-04-25 | 2011-07-20 | 宜兴禾大水处理技术有限公司 | Application of efficient COD (chemical oxygen demand) remover to wastewater treatment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018071A (en) * | 2019-12-26 | 2020-04-17 | 辽宁鑫隆科技有限公司 | COD remover |
| CN111233057A (en) * | 2020-02-13 | 2020-06-05 | 李慎强 | Preparation method of efficient COD (chemical oxygen demand) remover |
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