CN108314166A - A kind of neutralization alkaline agent and neutralisation treatment technique for Removal of Phosphorus in Wastewater and fluoride waste - Google Patents
A kind of neutralization alkaline agent and neutralisation treatment technique for Removal of Phosphorus in Wastewater and fluoride waste Download PDFInfo
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- CN108314166A CN108314166A CN201810239847.3A CN201810239847A CN108314166A CN 108314166 A CN108314166 A CN 108314166A CN 201810239847 A CN201810239847 A CN 201810239847A CN 108314166 A CN108314166 A CN 108314166A
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- phosphorus
- alkaline agent
- neutralization
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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
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a kind of neutralization alkaline agents and neutralisation treatment technique for Removal of Phosphorus in Wastewater and fluoride waste, it includes following components to neutralize alkaline agent and count in parts by weight, 1 part~10 parts of sodium hydroxide, 50 parts~100 parts of aluminium hydroxide, 30 parts~50 parts of calcium hydroxide, 1 part~10 parts of additive, it includes following components, 1 part~2 parts of suspending agent, 1 part~9 parts of dispersant that the additive is counted in parts by weight.It is using the present invention to neutralize the content that P elements and fluorine element in sludge are improved while alkaline agent processing waste water reduce sludge yield, make sludge that there is the value recycled；Neutralisation treatment of the invention is simple for process, treatment effeciency is high, and water outlet quality is more preferable.
Description
Technical field
The present invention relates to water-treatment technology field, particularly relate to a kind of for Removal of Phosphorus in Wastewater and fluoride waste
Neutralize alkaline agent and neutralisation treatment technique.
Background technology
Mostly use lime neutralisation when processing is acid phosphorous and fluoride waste, lime neutralisation is simple for process, reliable, place
Manage at low cost, so widely used at present, but since the molten water rate of lime is extremely low, about 0.166% is dissolved in water at 20 degrees Celsius, so
Generated sludge is quite a lot of in lime and when acid waste water, and the content of P elements and fluorine element is relatively low in sludge, does not have
The value of recycling.In order to reduce sludge yield when treatment of acidic wastewater, while improving P elements and fluorine element in sludge
Content, it is necessary to propose a kind of new neutralization alkaline agent.
Invention content
The present invention is intended to provide a kind of neutralization alkaline agent and neutralisation treatment technique for Removal of Phosphorus in Wastewater and fluoride waste,
The content that P elements and fluorine element in sludge are improved while reducing sludge yield, makes sludge have the value recycled.
In order to solve the above technical problems, the technical scheme is that：One kind being used for Removal of Phosphorus in Wastewater and fluoride waste
Neutralization alkaline agent, in parts by weight meter include following components, 1 part~10 parts of sodium hydroxide, 50 parts~100 parts of aluminium hydroxide, hydrogen
30 parts~50 parts of calcium oxide, 1 part~10 parts of additive, it includes following components, 1 part of suspending agent that the additive is counted in parts by weight
~2 parts, 1 part~9 parts of dispersant.
Further, the suspending agent is one kind in aluminum sulfate and sodium metaaluminate.
Further, the dispersant is one kind in ethylenediamine tetra-acetic acid and hydroxypropyl methyl cellulose.
A kind of neutralisation treatment technique of the neutralization alkaline agent of Removal of Phosphorus in Wastewater and fluoride waste described in application, including it is following
Step：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collection
Slot；
S2, which is prepared, neutralizes alkaline agent：It is used for Removal of Phosphorus in Wastewater described in being added in water has been added and in alkaline agent make-up tank
With the neutralization alkaline agent of fluoride waste, aeration agitation while neutralizing alkaline agent is added, mixing time is 10min~20min；
S3 acid-base neutralizations：By prepared neutralization alkali in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2
Agent is pumped into neutralize in agitator with output respectively carries out neutralization reaction, is used in combination stirring rod to be stirred, reaction time 5min
~10min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
Using above-mentioned technical proposal, the present invention includes at least following advantageous effect：One kind is for Removal of Phosphorus in Wastewater and contains
The neutralization alkaline agent and neutralisation treatment technique of fluorine waste water, the Sodium Hydroxide Alkaline neutralized in alkaline agent is strong, and acid-base neutralization power is strong, dissolving speed
Rate is fast；Aluminium hydroxide, which can be caught, grabs heavy metal in waste water, balances solubility in calcium hydroxide water, can reduce poly- when recycling valuable sludge
Close the dosage of aluminium chloride；Calcium hydroxide can increase water treatment as weighting agent with the acid ion neutralization precipitation in waste water
Precipitation Potential；The addition of additive has the solubility for increasing every ingredient and metal-chelating effect, reduces the effect of sludge quantity.
In addition, the neutralisation treatment of the present invention is simple for process, treatment effeciency is high, water outlet quality is more preferable.
Specific implementation mode
The technical solution in the present invention is clearly and completely described below in conjunction with specific embodiment, it is clear that retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to the present invention
The range of protection.
Embodiment 1
A kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste of the present embodiment, in parts by weight meter include with
Lower component, 1 part of sodium hydroxide, 50 parts of aluminium hydroxide, 30 parts of calcium hydroxide, 1 part of additive, additive is counted in parts by weight includes
Following components, 1 part of aluminum sulfate suspending agent, 1 part of ethylenediamine tetra-acetic acid dispersant.
A kind of neutralisation treatment technique for Removal of Phosphorus in Wastewater and the neutralization alkaline agent of fluoride waste using the present embodiment,
Include the following steps：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collection
Slot；
S2, which is prepared, neutralizes alkaline agent：The phosphorous for handling of the present embodiment is added in water has been added and in alkaline agent make-up tank
Aeration agitation while neutralizing alkaline agent, mixing time 10min is added in the neutralization alkaline agent of waste water and fluoride waste；
S3 acid-base neutralizations：By prepared neutralization alkali in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2
Agent is pumped into neutralize in agitator with output respectively carries out neutralization reaction, is used in combination stirring rod to be stirred, reaction time 5min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
Embodiment 2
A kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste of the present embodiment, in parts by weight meter include with
Lower component, 5 parts of sodium hydroxide, 75 parts of aluminium hydroxide, 40 parts of calcium hydroxide, 5 parts of additive, additive is counted in parts by weight includes
Following components, 1.5 parts of aluminum sulfate suspending agent, 5 parts of ethylenediamine tetra-acetic acid dispersant.
A kind of neutralisation treatment technique for Removal of Phosphorus in Wastewater and the neutralization alkaline agent of fluoride waste using the present embodiment,
Include the following steps：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collection
Slot；
S2, which is prepared, neutralizes alkaline agent：The phosphorous for handling of the present embodiment is added in water has been added and in alkaline agent make-up tank
Aeration agitation while neutralizing alkaline agent, mixing time 15min is added in the neutralization alkaline agent of waste water and fluoride waste；
S3 acid-base neutralizations：By prepared neutralization alkali in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2
Agent is pumped into neutralize in agitator with output respectively carries out neutralization reaction, is used in combination stirring rod to be stirred, reaction time 8min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
Embodiment 3
A kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste of the present embodiment, in parts by weight meter include with
Lower component, 10 parts of sodium hydroxide, 100 parts of aluminium hydroxide, 50 parts of calcium hydroxide, 10 parts of additive, additive is counted in parts by weight
Including following components, 2 parts of aluminum sulfate suspending agent, 9 parts of ethylenediamine tetra-acetic acid dispersant.
A kind of neutralisation treatment technique for Removal of Phosphorus in Wastewater and the neutralization alkaline agent of fluoride waste using the present embodiment,
Include the following steps：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collection
Slot；
S2, which is prepared, neutralizes alkaline agent：Add the phosphorous useless for handling of the present embodiment in water has been added and in alkaline agent make-up tank
Aeration agitation while neutralizing alkaline agent, mixing time 20min is added in the neutralization alkaline agent of water and fluoride waste；
S3 acid-base neutralizations：By prepared neutralization alkali in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2
Agent is pumped into neutralize in agitator with output respectively carries out neutralization reaction, is used in combination stirring rod to be stirred, the reaction time is
10min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
Embodiment 4
A kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste of the present embodiment, in parts by weight meter include with
Lower component, 1 part of sodium hydroxide, 50 parts of aluminium hydroxide, 30 parts of calcium hydroxide, 1 part of additive, additive is counted in parts by weight includes
Following components, 1 part of sodium metaaluminate suspending agent, 1 part of hydroxypropyl methyl cellulose dispersant.
A kind of neutralisation treatment technique for Removal of Phosphorus in Wastewater and the neutralization alkaline agent of fluoride waste using the present embodiment,
Include the following steps：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collection
Slot；
S2, which is prepared, neutralizes alkaline agent：The phosphorous for handling of the present embodiment is added in water has been added and in alkaline agent make-up tank
Aeration agitation while neutralizing alkaline agent, mixing time 10min is added in the neutralization alkaline agent of waste water and fluoride waste；
S3 acid-base neutralizations：By prepared neutralization alkali in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2
Agent is pumped into neutralize in agitator with output respectively carries out neutralization reaction, is used in combination stirring rod to be stirred, reaction time 5min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
Embodiment 5
A kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste of the present embodiment, in parts by weight meter include with
Lower component, 5 parts of sodium hydroxide, 75 parts of aluminium hydroxide, 40 parts of calcium hydroxide, 5 parts of additive, additive is counted in parts by weight includes
Following components, 1.5 parts of sodium metaaluminate suspending agent, 5 parts of hydroxypropyl methyl cellulose dispersant.
A kind of neutralisation treatment technique for Removal of Phosphorus in Wastewater and the neutralization alkaline agent of fluoride waste using the present embodiment,
Include the following steps：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collection
Slot；
S2, which is prepared, neutralizes alkaline agent：The phosphorous for handling of the present embodiment is added in water has been added and in alkaline agent make-up tank
Aeration agitation while neutralizing alkaline agent, mixing time 15min is added in the neutralization alkaline agent of waste water and fluoride waste；
S3 acid-base neutralizations：By prepared neutralization alkali in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2
Agent is pumped into neutralize in agitator with output respectively carries out neutralization reaction, is used in combination stirring rod to be stirred, reaction time 8min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
Embodiment 6
A kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste of the present embodiment, in parts by weight meter include with
Lower component, 10 parts of sodium hydroxide, 100 parts of aluminium hydroxide, 50 parts of calcium hydroxide, 10 parts of additive, additive is counted in parts by weight
Including following components, 2 parts of sodium metaaluminate suspending agent, 9 parts of hydroxypropyl methyl cellulose dispersant.
A kind of neutralisation treatment technique for Removal of Phosphorus in Wastewater and the neutralization alkaline agent of fluoride waste using the present embodiment,
Include the following steps：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collection
Slot；
S2, which is prepared, neutralizes alkaline agent：Add the phosphorous useless for handling of the present embodiment in water has been added and in alkaline agent make-up tank
Aeration agitation while neutralizing alkaline agent, mixing time 20min is added in the neutralization alkaline agent of water and fluoride waste；
S3 acid-base neutralizations：By prepared neutralization alkali in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2
Agent is pumped into neutralize in agitator with output respectively carries out neutralization reaction, is used in combination stirring rod to be stirred, the reaction time is
10min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
Reference examples 1
A kind of Removal of Phosphorus in Wastewater and the neutralization alkaline agent of fluoride waste of being used for of this reference examples is lime.
A kind of waste water treatment process for Removal of Phosphorus in Wastewater and the neutralization alkaline agent of fluoride waste using this reference examples,
Include the following steps：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collection
Slot；
S2, which is prepared, neutralizes alkaline agent：Lime is added in water has been added and in alkaline agent make-up tank, is exposed while lime is added
Gas agitating, mixing time 20min；
S3 acid-base neutralizations：By prepared neutralization alkali in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2
Agent is pumped into neutralize in agitator with output respectively carries out neutralization reaction, is used in combination stirring rod to be stirred, the reaction time is
10min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
Wastewater treatment Comparative result
For handling 1000 tons of waste water, detect the sludge through processed waste water yield and sludge in P elements and
The content of fluorine element.
By result above it can be shown that the neutralization alkaline agent using 1~embodiment of embodiment 6 handles waste water, the yield of sludge
It is substantially reduced, the content of P elements and fluorine element significantly improves in sludge, and sludge is made to have the value of recoverable.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (4)
1. a kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste, it is characterised in that：In parts by weight meter include with
Lower component, 1 part~10 parts of sodium hydroxide, 50 parts~100 parts of aluminium hydroxide, 30 parts~50 parts of calcium hydroxide, additive 1 part~10
Part, it includes following components, 1 part~2 parts of suspending agent, 1 part~9 parts of dispersant that the additive is counted in parts by weight.
2. a kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste according to claim 1, it is characterised in that：
The suspending agent is one kind in aluminum sulfate and sodium metaaluminate.
3. a kind of neutralization alkaline agent for Removal of Phosphorus in Wastewater and fluoride waste according to claim 1, it is characterised in that：
The dispersant is one kind in ethylenediamine tetra-acetic acid and hydroxypropyl methyl cellulose.
4. a kind of neutralisation treatment technique using Removal of Phosphorus in Wastewater described in claim 1 and the neutralization alkaline agent of fluoride waste,
It is characterized in that：Include the following steps：
S1 collects waste water：Phosphorus-containing wastewater and fluoride waste are collected respectively into phosphorus-containing wastewater collecting tank and fluoride waste collecting tank；
S2, which is prepared, neutralizes alkaline agent：In water has been added and alkaline agent make-up tank in be added it is described in claim 1 for handle contain
The neutralization alkaline agent of phosphorus waste water and fluoride waste, is added aeration agitation while neutralizing alkaline agent, and mixing time is 10min~20min；
S3 acid-base neutralizations：By prepared neutralization alkaline agent in the phosphorus-containing wastewater collected in step S1, fluoride waste and step S2 point
With output be not pumped into neutralize agitator in carries out neutralization reaction, be used in combination stirring rod to be stirred, the reaction time for 5min~
10min；
S4 discharges neutralize waste liquid：Neutralization waste liquid in step S3 is discharged from agitator, carries out the processing of next step.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239847.3A CN108314166A (en) | 2018-03-22 | 2018-03-22 | A kind of neutralization alkaline agent and neutralisation treatment technique for Removal of Phosphorus in Wastewater and fluoride waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810239847.3A CN108314166A (en) | 2018-03-22 | 2018-03-22 | A kind of neutralization alkaline agent and neutralisation treatment technique for Removal of Phosphorus in Wastewater and fluoride waste |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851020A (en) * | 2019-02-13 | 2019-06-07 | 江西沃格光电股份有限公司 | Waste water treating agent and preparation method thereof and wastewater treatment method |
| CN110156056A (en) * | 2019-04-18 | 2019-08-23 | 新疆众和股份有限公司 | A method of special-alumina is prepared containing phosphorus waste liquid using corrosive aluminum foil |
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| JPH06154767A (en) * | 1992-11-27 | 1994-06-03 | Fuji Kasui Kogyo Kk | Method for treating fluorine-containing drain |
| KR960001394B1 (en) * | 1993-06-12 | 1996-01-26 | 윤주영 | Waste water treatment |
| CN1311759A (en) * | 1998-07-17 | 2001-09-05 | 日本电气株式会社 | Method and apparatus for treating fluorine-contg. waste water |
| CN1332118A (en) * | 2001-08-03 | 2002-01-23 | 刘定忠 | Cryolite producing process with fluorine containing waste water |
| CN107585918A (en) * | 2017-10-20 | 2018-01-16 | 中山市中康化工科技有限公司 | A kind of efficient water treatment agent |
-
2018
- 2018-03-22 CN CN201810239847.3A patent/CN108314166A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06154767A (en) * | 1992-11-27 | 1994-06-03 | Fuji Kasui Kogyo Kk | Method for treating fluorine-containing drain |
| KR960001394B1 (en) * | 1993-06-12 | 1996-01-26 | 윤주영 | Waste water treatment |
| CN1311759A (en) * | 1998-07-17 | 2001-09-05 | 日本电气株式会社 | Method and apparatus for treating fluorine-contg. waste water |
| CN1332118A (en) * | 2001-08-03 | 2002-01-23 | 刘定忠 | Cryolite producing process with fluorine containing waste water |
| CN107585918A (en) * | 2017-10-20 | 2018-01-16 | 中山市中康化工科技有限公司 | A kind of efficient water treatment agent |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851020A (en) * | 2019-02-13 | 2019-06-07 | 江西沃格光电股份有限公司 | Waste water treating agent and preparation method thereof and wastewater treatment method |
| CN110156056A (en) * | 2019-04-18 | 2019-08-23 | 新疆众和股份有限公司 | A method of special-alumina is prepared containing phosphorus waste liquid using corrosive aluminum foil |
| CN110156056B (en) * | 2019-04-18 | 2021-12-28 | 新疆众和股份有限公司 | Method for preparing special alumina by using phosphorus-containing waste liquid generated by corroding aluminum foil |
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