CN110054315A - A kind of method that quick adsorption removes ammonia nitrogen in dyeing waste water - Google Patents
A kind of method that quick adsorption removes ammonia nitrogen in dyeing waste water Download PDFInfo
- Publication number
- CN110054315A CN110054315A CN201910246811.2A CN201910246811A CN110054315A CN 110054315 A CN110054315 A CN 110054315A CN 201910246811 A CN201910246811 A CN 201910246811A CN 110054315 A CN110054315 A CN 110054315A
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- CN
- China
- Prior art keywords
- waste water
- ammonia nitrogen
- dyeing waste
- suspension
- magnesium sulfate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
- C01B25/451—Phosphates containing plural metal, or metal and ammonium containing metal and ammonium
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/56—Macromolecular 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
Abstract
The invention discloses the methods of ammonia nitrogen in a kind of quick adsorption removal dyeing waste water.Main points using method are that ten phosphate dihydrate sodium and magnesium sulfate are added in dyeing waste water to form six water ammonium magnesium phosphates, for adsorbing ammonia nitrogen in waste water, add polyacrylamide accelerate the sedimentation to form pollutant with separate.This method is quick, efficient, the Adsorption of ammonia nitrogen suitable for dyeing waste water.Simultaneously, polyacrylamide is added in present invention ammonia nitrogen in absorption dyeing waste water, accelerates the sedimentation for forming pollutant, improves waste water treatment efficiency；The guanite that six water ammonium magnesium phosphates are formed through flocculation sedimentation also can be used as slow-release fertilizer use, have important environment and economic benefit.
Description
Technical field
The present invention relates to a kind of method of ammonia nitrogen in removal dyeing waste water, in particular to a kind of quick adsorption removal printing and dyeing are useless
The method of ammonia nitrogen, belongs to field of environment engineering technology in water.
Background technique
Ammonia nitrogen is the nitrogen being present in water in the form of free ammonia and ammonium ion.Ammonia nitrogen source in water has very much, except life
Outside sewage and landfill leachate, also from works such as steel, oil refining, chemical fertilizer, printing and dyeing, petrochemical industry, glass manufacture, Feed Manufacturings
The discharge of industry waste water.Ammonia nitrogen is the principal element for leading to water eutrophication, can cause the big of algae in water body and microorganism
Amount breeding, declines Dissolved Oxygen in Water sharply, leads to fish and other aquatile hypoxia deaths, cause serious shadow to water quality
It rings.In addition, ammonia nitrogen can generate nitrite and nitrate by nitrification in water body, this kind of water of long-term drinking can induce height
Ferri-hemoglobin disease；When the nitrite nitrogen too high levels in water, strong carcinogen nitrous can be formed in conjunction with protein
Amine causes to seriously endanger to human body.
The ammonia nitrogen technical field in removal waste water, a kind of Chinese patent (ZL 201810133516.1) " removal sanitary wastewater
The processing method of middle ammonia nitrogen " mixes the artificial zeolite for adjoining pyrrolidone containing crosslinked polyethylene with sanitary wastewater, adsorbs it sufficiently
Ammonia nitrogen therein, then so that crosslinked polyethylene is adjoined pyrrolidone by way of heating desorption and release adsorbed ammonia nitrogen with ammonia
Form is released, and crosslinked polyethylene adjoins the sanitary wastewater after pyrrolidone-artificial zeolite Adsorption ammonia nitrogen and enters next processing ring
Section.Chinese patent (ZL 201810258663.1) " produces the side that activation persulfate produces carbonate radical removal nitrogen-containing wastewater
A certain concentration is added by exciting sodium peroxydisulfate to generate potentiometric titrations using ultraviolet irradiation in method " in the reaction system
Sodium carbonate carbanion is provided, the potentiometric titrations of generation are reacted with carbanion generates carbonate radical,
Ammonia nitrogen is aoxidized by carbonate radical.A kind of Chinese patent (ZL 201810386484.6) " ammonia nitrogen removal agent " its quality percentage
Be calcium hypochlorite than composition: 87.5-90.5%, potassium permanganate 0.5-1.5%, calcium chloride 9-11% can quickly remove high concentration
Ammonia nitrogen in ammonia nitrogen waste water.Chinese patent (ZL 201711208476.4) " a kind of processing method of high ammonia-nitrogen wastewater " pass through to
Waste water puts into modified coal ash, and heating adjusts pH and frerrous chloride and chitosan-acetic acid solution stirring is added, then is carried out with microfiltration membranes
Filtering, to remove the ammonia nitrogen in waste water.Up to now, it yet there are no and utilize ten phosphate dihydrate sodium and magnesium sulfate reaction, cooperation
The technical matters of ammonia nitrogen occurs in polyacrylamide absorption-flocculation removal dyeing waste water.
The present invention is using the ammonia nitrogen in chemical precipitation method removal dyeing waste water, while quickly removal ammonia nitrogen, six water phosphorus
The guanite that sour ammonium magnesium is formed through flocculation sedimentation also can be used as slow-release fertilizer use, avoids secondary environmental pollution, realizes discarded
The resource utilization of object has important environment and economic benefit.
Summary of the invention
Ammonia nitrogen for realization quickly, in efficient removal dyeing waste water, while the formation of resource utilization adsorption-flocculation process
Sludge containing ammonia nitrogen, the object of the present invention is to provide the methods of ammonia nitrogen in a kind of quick adsorption removal dyeing waste water.
To achieve the above object, the technical scheme is that using following steps:
1) ten phosphate dihydrate sodium of 0.5-1g and 0.5-1g magnesium sulfate are added in 100mL dyeing waste water, are obtained containing 12 water
The suspension of sodium phosphate and magnesium sulfate；
2) step 1) is obtained using a certain concentration sodium hydroxide solution suspended containing ten phosphate dihydrate sodium and magnesium sulfate
Liquid pH is adjusted to 7-11, and 10-50 DEG C stirs evenly, and obtains the suspension within the scope of certain pH；
3) suspension within the scope of certain pH for obtaining 5-8mL a certain concentration polyacrylamide solution addition step 2)
In, it stirs evenly, stands 10-30min, obtain the dyeing waste water through Adsorption NH_3-N treating.
The sodium hydroxide solution mass fraction is 10%.
The polyacrylamide solution mass fraction is 0.01-0.03%, and polyacrylamide is amphoteric polyacrylamide
Amine, molecular weight are 800-1100 ten thousand.
Compared with the background art, the invention has the advantages that:
The present invention is in quickly removal dyeing waste water while ammonia nitrogen, birds droppings that six water ammonium magnesium phosphates are formed through flocculation sedimentation
Stone can also be used as slow-release fertilizer, avoid secondary environmental pollution problem, realize the resource utilization of waste, have weight
The environment and economic benefit wanted.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Embodiment 1:
1) ten phosphate dihydrate sodium of 0.5g and 0.5g magnesium sulfate are added in 100mL dyeing waste water, are obtained containing ten phosphate dihydrates
The suspension of sodium and magnesium sulfate；
2) ten phosphate dihydrate sodium and magnesium sulfate are contained for what step 1) obtained using the sodium hydroxide solution of mass fraction 10%
Suspension pH be adjusted to 7,50 DEG C and stir evenly, obtain the suspension of pH=7；
3) step 2) is added in the amphoteric polyacrylamide solution of 5mL mass fraction 0.03%, molecular weight 11,000,000 to obtain
To pH=7 suspension in, stir evenly, stand 10min, obtain the dyeing waste water (a) through Adsorption NH_3-N treating.
Embodiment 2:
1) ten phosphate dihydrate sodium of 1g and 1g magnesium sulfate are added in 100mL dyeing waste water, obtain containing ten phosphate dihydrate sodium and
The suspension of magnesium sulfate；
2) ten phosphate dihydrate sodium and magnesium sulfate are contained for what step 1) obtained using the sodium hydroxide solution of mass fraction 10%
Suspension pH be adjusted to 11,10 DEG C and stir evenly, obtain the suspension of pH=11；
3) step 2) is added in the amphoteric polyacrylamide solution of 8mL mass fraction 0.01%, molecular weight 8,000,000 to obtain
PH=11 suspension in, stir evenly, stand 30min, obtain the dyeing waste water (b) through Adsorption NH_3-N treating.
Embodiment 3:
1) ten phosphate dihydrate sodium of 0.7g and 0.8g magnesium sulfate are added in 100mL dyeing waste water, are obtained containing ten phosphate dihydrates
The suspension of sodium and magnesium sulfate；
2) ten phosphate dihydrate sodium and magnesium sulfate are contained for what step 1) obtained using the sodium hydroxide solution of mass fraction 10%
Suspension pH be adjusted to 9,25 DEG C and stir evenly, obtain the suspension in pH=9；
3) step 2) is added in the amphoteric polyacrylamide solution of 6mL mass fraction 0.02%, molecular weight 10,000,000 to obtain
To pH=9 suspension in, stir evenly, stand 25min, obtain the dyeing waste water (c) through Adsorption NH_3-N treating.
Embodiment 4:
1) ten phosphate dihydrate sodium of 0.8g and 0.6g magnesium sulfate are added in 100mL dyeing waste water, are obtained containing ten phosphate dihydrates
The suspension of sodium and magnesium sulfate；
2) ten phosphate dihydrate sodium and magnesium sulfate are contained for what step 1) obtained using the sodium hydroxide solution of mass fraction 10%
Suspension pH be adjusted to 8,30 DEG C and stir evenly, obtain the suspension of pH=8；
3) step 2) is added in the amphoteric polyacrylamide solution of 7mL mass fraction 0.02%, molecular weight 9,000,000 to obtain
PH=8 suspension in, stir evenly, stand 15min, obtain the dyeing waste water (d) through Adsorption NH_3-N treating.
Measurement embodiment 1,2,3,4 absorbs dyeing waste water turbidity and ammonia nitrogen removal frank before and after ammonia nitrogen, and table 1 is to implement
Example 1,2,3,4 absorbs dyeing waste water turbidity and ammonia nitrogen removal frank measurement result before and after ammonia nitrogen.As seen from Table 1, example 1,
2, the ammonia nitrogen removal frank of 3,4 pairs of dyeing waste waters is in 92.7-97.4%, and turbidity removal rate is in 98.1-99.2%, the ammonia of dyeing waste water
Nitrogen and turbidity removal effect are more obvious, show that the fast of ammonia nitrogen in dyeing waste water may be implemented in technical solution provided by the invention
Fast Adsorption has potential factory's actual application prospect and value.
Table 1
The above enumerated are only specific embodiments of the present invention.Present invention is not limited to the above embodiments, can also there are many
Deformation.All deformations that those skilled in the art directly can export or associate from present disclosure, should all
It is considered protection scope of the present invention.
Claims (3)
1. a kind of method of ammonia nitrogen in quick adsorption removal dyeing waste water, which comprises the following steps:
1) ten phosphate dihydrate sodium of 0.5-1g and 0.5-1g magnesium sulfate are added in 100mL dyeing waste water, are obtained containing ten phosphate dihydrates
The suspension of sodium and magnesium sulfate；
2) the suspension pH containing ten phosphate dihydrate sodium and magnesium sulfate for being obtained step 1) using a certain concentration sodium hydroxide solution
It is adjusted to 7-11,10-50 DEG C stirs evenly, and obtains the suspension within the scope of certain pH；
3) in the suspension within the scope of certain pH for obtaining 5-8mL a certain concentration polyacrylamide solution addition step 2),
It stirs evenly, stands 10-30min, obtain the dyeing waste water through Adsorption NH_3-N treating.
2. the method for ammonia nitrogen in a kind of quick adsorption removal dyeing waste water according to claim 1, it is characterised in that: described
Sodium hydroxide solution mass fraction be 10%.
3. the method for ammonia nitrogen in a kind of quick adsorption removal dyeing waste water according to claim 1, it is characterised in that: described
Polyacrylamide solution mass fraction be 0.01-0.03%, polyacrylamide is amphoteric polyacrylamide, molecular weight is
800-1100 ten thousand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246811.2A CN110054315A (en) | 2019-03-28 | 2019-03-28 | A kind of method that quick adsorption removes ammonia nitrogen in dyeing waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246811.2A CN110054315A (en) | 2019-03-28 | 2019-03-28 | A kind of method that quick adsorption removes ammonia nitrogen in dyeing waste water |
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| CN110054315A true CN110054315A (en) | 2019-07-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415563A (en) * | 2001-10-30 | 2003-05-07 | 中国石油化工股份有限公司 | Method of treated sewage being utilized as compensation water of cooling system |
| CN1736891A (en) * | 2004-08-10 | 2006-02-22 | 株式会社神钢环境舒立净 | Drainage disposal method and device |
| CN101148301A (en) * | 2007-08-21 | 2008-03-26 | 南京大学 | Method for removing ammonia and nitrogen from coking wastewater |
| DE102008050349A1 (en) * | 2007-10-02 | 2009-05-07 | Remondis Aqua Gmbh & Co. Kg | Precipitation of phosphorus from waste water to form magnesium ammonium phosphate, in waste water treatment plant, comprises displacing the waste water with magnesium chloride in crystallization stage, and displacing to stripping stage |
| CN107601716A (en) * | 2017-10-24 | 2018-01-19 | 上海纳米技术及应用国家工程研究中心有限公司 | The method for improving guanite precipitation method processing ammonia nitrogen waste water efficiency |
-
2019
- 2019-03-28 CN CN201910246811.2A patent/CN110054315A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415563A (en) * | 2001-10-30 | 2003-05-07 | 中国石油化工股份有限公司 | Method of treated sewage being utilized as compensation water of cooling system |
| CN1736891A (en) * | 2004-08-10 | 2006-02-22 | 株式会社神钢环境舒立净 | Drainage disposal method and device |
| CN101148301A (en) * | 2007-08-21 | 2008-03-26 | 南京大学 | Method for removing ammonia and nitrogen from coking wastewater |
| DE102008050349A1 (en) * | 2007-10-02 | 2009-05-07 | Remondis Aqua Gmbh & Co. Kg | Precipitation of phosphorus from waste water to form magnesium ammonium phosphate, in waste water treatment plant, comprises displacing the waste water with magnesium chloride in crystallization stage, and displacing to stripping stage |
| CN107601716A (en) * | 2017-10-24 | 2018-01-19 | 上海纳米技术及应用国家工程研究中心有限公司 | The method for improving guanite precipitation method processing ammonia nitrogen waste water efficiency |
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Application publication date: 20190726 |