CN108163958A - A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand - Google Patents
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand Download PDFInfo
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- CN108163958A CN108163958A CN201711456361.7A CN201711456361A CN108163958A CN 108163958 A CN108163958 A CN 108163958A CN 201711456361 A CN201711456361 A CN 201711456361A CN 108163958 A CN108163958 A CN 108163958A
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- antimony
- water
- manganese sand
- single persulfate
- persulfate
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F2101/20—Heavy metals or heavy metal compounds
-
- 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
- C02F2103/06—Contaminated groundwater or leachate
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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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
A kind of to strengthen the method that manganese sand removes antimony in water removal using single persulfate, it is related to method for treating water, solves existing except antimony method is there are medicament throwing amount is big, and oxidant easily leaks, and treatment technology is complicated, and use is inconvenient for operation, it is difficult to the problem of carrying out large-scale application.Method for treating water of the present invention：Single persulfate is added in into accessing pending water, the filter bed equipped with manganese sand is introduced the water into and is filtered, single persulfate can be rapidly by Sb of the absorption on manganese sand surface3+It is oxidized to Sb5+, manganese sand is to Sb5+Adsorption capacity be Sb3+5~10 times, enhance removal of the manganese sand to antimony.List persulfate chemical property of the invention is stablized, and transport, storage are convenient, easy to operate, can carry out large-scale application in water factory, can be rapidly by Sb3+It is oxidized to Sb5+, except antimony is efficient, and remaining single persulfate can also carry out disinfection to mistake water after filter processing as disinfectant, not generate poisonous and harmful by-product.
Description
Technical field
The present invention relates to drinking water treatment field more particularly to a kind of methods for removing antimony in drinking water.
Background technology
Antimony (Sb) is a kind of metalloid element for having metallic luster, is primarily present in the antimony-containing mineral of nature, such as brightness
Antimony ore, antimony bloom ore deposit.Since its thermal conductivity is not high, it is widely used in semiconducting alloy, battery, lubricant, ammunition, cable
The industrial circles such as foreskin, glass, welding alloy.China has become the antimony of maximum and its production of chemicals state in the world, and wherein
Most of tinnery for all originating from Lengshuijiang, Hunan again, but since production technique backwardness causes antimony pollution getting worse, tin
Soil, water body and vegetation around mine all receive serious pollution.Antimony can be enriched in organism and environment, and can be with
The sulfydryl of protein combines in cell, influences the activity of enzyme or destroy intracellular ion and balance to make cell hypoxia and cause human body generation
Thank to disorder.The antimony of human body continuous contact high concentration, can cause skin and mucous membrane to be stimulated, caused having of acute effects
Learn membranous conjunctivitis, rhinitis, pharyngitis, laryngitis, bronchitis, pneumonia；Antimony as the side effect of medicament include metabolic disorder and liver and
The degeneration of heart；Chronic Effect is including headache, dizzy, easy excitement, insomnia, weak, functions of intestines and stomach is disorderly, mucosal irritation symptom.
The concentration of antimony in Drinking Water has been done in certain limitation in toxicity and environmental safety based on antimony, China,《Drinking Water
Sanitary standard》(GB5749-2006) limit value of regulation antimony concentration is 5 μ g/L in.
In natural environment, antimony is mainly with trivalent antimony (Sb3+) and quinquevalence antimony (Sb5+) exist, the toxicity of trivalent antimony is pentavalent
10 times of antimony or more.At present, the method for removing antimony mainly has absorption method, coagulant sedimentation, oxidation-reduction method, ion-exchange etc..
Absorption method has many advantages, such as except antimony is efficient, easy to operate, but due to the interference of zwitterion in water, absorption method is to the dirt of low concentration antimony
The removal efficiency for contaminating object is relatively low.Coagulant sedimentation is mainly removed body pollution object by adding the co-precipitation of chemical agent coagulation
It removes, there are the problem of medicament throwing amount is big, and antimony removal efficiency is low.Oxidizing process is that trivalent antimony is oxidized to quinquevalence antimony, then passes through absorption
The mode of precipitation is removed.Patent CN103922512A discloses a kind of minimizing technology of micro-antimony in water, and ferrate will
Trivalent antimony is oxidized to quinquevalence antimony, while by the use of the nano-iron oxide for restoring generation as adsorbent, is adsorbed, precipitated, mistake
Elimination removes.(South China Normal University's journal, 2017,29 (3) such as Zhou Xueting：49-54) trivalent antimony is oxidized to using potassium ferrate
Then quinquevalence antimony utilizes the quinquevalence antimony in the ferric hydroxide colloid absorption water being formed in situ.Reduction method is to be reduced to quinquevalence antimony
Trivalent antimony.Patent CN103159300A discloses a kind of method that electrochemical method removes quinquevalence antimony pollutant in water removal, utilizes electricity
Quinquevalence antimony is reduced to trivalent antimony by chemical cathode, is then removed trivalent antimony by absorption, coagulation and precipitation collective effect.Patent
CN103408108A discloses the method that sodium sulfite quickly removes quinquevalence antimony pollutant in water removal with electrochemistry, utilizes anode
Dissolving method generates ferrous and iron ion, is combined with additional sodium sulfite, quinquevalence antimony is reduced to trivalent antimony, then pass through coagulation
With the trivalent antimony pollutant of precipitation removal generation.
In conclusion going the method for antimony in water removal at present, oxidant easily leaks, and treatment technology is multiple there are medicament throwing amount is big
Miscellaneous, use is inconvenient for operation, it is difficult to the problem of carrying out large-scale application.
Invention content
Except antimony method is there are medicament throwing amount is big, oxidant is easily leaked the purpose of the present invention is to solve existing, handles skill
Art is complicated, and use is inconvenient for operation, it is difficult to the problem of carrying out large-scale application, and provide a kind of single persulfate of utilization and strengthen
The method that manganese sand removes antimony in water removal.
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present invention, through the following steps that realizing
's：
First, single persulfate is added in into the accessing pending water containing antimony, controls a concentration of 5~100mg/L of single persulfate；
2nd, the filter bed equipped with manganese sand will be introduced containing the accessing pending water of single persulfate, it is after being filtered processing, i.e., complete
Into the method for removing antimony in water removal using single persulfate reinforcing manganese sand.
The accessing pending water is discharged for underground water or surface water after coagulation, precipitation process, and flow is shown in Fig. 1.
The list persulfate is the mixing of one or more of Potassium peroxysulfate, single sodium peroxydisulfate and single ammonium persulfate
Object.
A kind of principle that the method for antimony in water removal is gone using single persulfate reinforcing manganese sand of the present invention：Single persulfate
(PMS, HSO5 -) can be rapidly by trivalent antimony (Sb of the absorption on manganese sand surface3+) aoxidize the quinquevalence antimony (Sb that generation is easily removed5 +), manganese sand is 5~10 times of trivalent antimony to the adsorption capacity of quinquevalence antimony, and single persulfate enhances manganese sand and antimony in water is gone
It removes, achievees the purpose that except antimony, meanwhile, remaining list persulfate is also used as disinfectant and carries out disinfection place to crossing water after filter
Reason.
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present invention has the following advantages：
(1) oxidant list persulfate chemical property is stablized, and transport, storage are convenient, moderate, are commercially easy to get；
(2) single persulfate is formally included in drinking water disinfection agent catalogue by country, simple to operate, does not need to
It is additional to increase equipment, do not change the original treatment process of water supply plant, large-scale application, while remaining single persulfate can be carried out
Can carry out disinfection to water after filter excessively as disinfectant processing；
(3) quinquevalence antimony that trivalent antimony oxidation generation can be easily removed rapidly by single persulfate, antimony removal efficiency is high, goes
Except rate is up to more than 96%；
(4) single persulfate is not reacted with natural organic matter present in water or bromide generates poisonous and harmful halogenated by-product
Object.
Description of the drawings
Fig. 1 is the technological process that antimony in water removal is removed using single persulfate reinforcing manganese sand.
Specific embodiment
Technical solution of the present invention is not limited to act specific embodiment set forth below, further includes between each specific embodiment
Arbitrary combination.
Specific embodiment one：A kind of side that antimony in water removal is removed using single persulfate reinforcing manganese sand of present embodiment
Method, through the following steps that realize：
First, single persulfate (PMS, HSO are added in into the accessing pending water containing antimony5 -), the single persulfate a concentration of 5 of control~
100mg/L；
2nd, the filter bed equipped with manganese sand will be introduced containing the accessing pending water of single persulfate, it is after being filtered processing, i.e., complete
Into the method for removing antimony in water removal using single persulfate reinforcing manganese sand.The accessing pending water for underground water or surface water through coagulation,
It is discharged after precipitation process, flow is shown in Fig. 1.
A kind of principle that the method for antimony in water removal is gone using single persulfate reinforcing manganese sand of present embodiment：Single persulfuric acid
Salt (PMS, HSO5 -) the trivalent antimony oxidation adsorbed on manganese sand surface can be generated to rapidly the quinquevalence antimony that be easily removed, manganese sand is to five
The adsorption capacity of valency antimony is 5~10 times of trivalent antimony, and single persulfate enhances removal of the manganese sand to antimony in water, reaches except antimony
Purpose, meanwhile, remaining list persulfate is also used as disinfectant and carries out disinfection processing to crossing water after filter.
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of present embodiment has the following advantages：
(1) oxidant list persulfate chemical property is stablized, and transport, storage are convenient, moderate, are commercially easy to get；
(2) single persulfate is formally included in drinking water disinfection agent catalogue by country, simple to operate, does not need to
It is additional to increase equipment, do not change the original treatment process of water supply plant, large-scale application, while remaining single persulfate can be carried out
Can carry out disinfection to water after filter excessively as disinfectant processing；
(3) quinquevalence antimony that trivalent antimony oxidation generation can be easily removed rapidly by single persulfate, antimony removal efficiency are high；
(4) single persulfate is not reacted with natural organic matter present in water or bromide generates poisonous and harmful halogenated by-product
Object.
Specific embodiment two：The present embodiment is different from the first embodiment in that：In the accessing pending water
Single a concentration of 10~90mg/L of persulfate.It is other same as the specific embodiment one.
Specific embodiment three：The present embodiment is different from the first and the second embodiment in that：The accessing pending water
In a concentration of 15~80mg/L of single persulfate.It is other the same as one or two specific embodiments.
Specific embodiment four：Unlike one of present embodiment and specific embodiment one to three：Described waits to locate
Manage a concentration of 20~70mg/L of single persulfate in water.It is other identical with one of specific embodiment one to three.
Specific embodiment five：Unlike one of present embodiment and specific embodiment one to four：Described waits to locate
Manage a concentration of 25~60mg/L of single persulfate in water.It is other identical with one of specific embodiment one to four.
Specific embodiment six：Unlike one of present embodiment and specific embodiment one to five：Described waits to locate
Manage a concentration of 30~50mg/L of single persulfate in water.It is other identical with one of specific embodiment one to five.
Specific embodiment seven：Unlike one of present embodiment and specific embodiment one to six：Described waits to locate
Manage a concentration of 35~45mg/L of single persulfate in water.It is other identical with one of specific embodiment one to six.
Specific embodiment eight：Unlike one of present embodiment and specific embodiment one to seven：Described waits to locate
Manage a concentration of 40mg/L of single persulfate in water.It is other identical with one of specific embodiment one to seven.
Specific embodiment nine：Unlike one of present embodiment and specific embodiment one to eight：Single persulfate
Mixture for one or more of Potassium peroxysulfate, single sodium peroxydisulfate and single ammonium persulfate.Other steps and parameter and tool
One of body embodiment one to eight is identical.
When single persulfate is mixture in present embodiment, with arbitrary than mixing.
Beneficial effects of the present invention are verified by following embodiment：
Embodiment one：
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present embodiment, through the following steps that
It realizes：After coagulation, precipitation process, 10.0mg/L Potassium peroxysulfates are added in into water outlet for surface water containing 100 μ g/L antimony
(KHSO5), manganese sand filter is introduced into, passes through a concentration of 3 μ g/ of remaining antimony in plasma mass spectrograph test water outlet after filtering
L, removal rate are less than up to 97%《Standards for drinking water quality》(GB5749-2006) limit of a concentration of 5 μ g/L of regulation antimony in
Value.
Embodiment two：
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present embodiment, through the following steps that
It realizes：Underground water containing 50 μ g/L antimony adds in 10.0mg/L Potassium peroxysulfates (KHSO into water outlet5), it is introduced into manganese sand
Filter tank is less than after filtering by a concentration of 1 μ g/L of remaining antimony in plasma mass spectrograph test water outlet, removal rate up to 98%
《Standards for drinking water quality》(GB5749-2006) limit value of a concentration of 5 μ g/L of regulation antimony in.
Embodiment three：
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present embodiment, through the following steps that
It realizes：Underground water containing 100 μ g/L antimony adds in the mono- sodium peroxydisulfates of 20mg/L into water outlet, is introduced into manganese sand filter, filters
Afterwards by a concentration of 4 μ g/L of remaining antimony in plasma mass spectrograph test water outlet, removal rate is less than up to 96%《Life is drunk
Water hygiene standard》(GB5749-2006) limit value of a concentration of 5 μ g/L of regulation antimony in.
Example IV：
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present embodiment, through the following steps that
It realizes：Underground water containing 100 μ g/L antimony adds in the mono- ammonium persulfates of 20mg/L into water outlet, is introduced into manganese sand filter, filters
Afterwards by a concentration of 3 μ g/L of remaining antimony in plasma mass spectrograph test water outlet, removal rate is less than up to 97%《Life is drunk
Water hygiene standard》(GB5749-2006) limit value of a concentration of 5 μ g/L of regulation antimony in.
Embodiment five：
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present embodiment, through the following steps that
It realizes：Underground water containing 200 μ g/L antimony adds in the mono- persulfates of 40mg/L into water outlet, and single persulfate is by single over cure
Sour potassium and single sodium peroxydisulfate are 1 in molar ratio:1 ratio mixes, and is introduced into manganese sand filter, passes through plasma after filtering
A concentration of 4 μ g/L of remaining antimony, removal rate are less than up to 98% in the test water outlet of constitution spectrometer《Standards for drinking water quality》
(GB5749-2006) limit value of a concentration of 5 μ g/L of regulation antimony in.
Embodiment six：
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present embodiment, through the following steps that
It realizes：After coagulation, precipitation process, the mono- persulfates of 40mg/L are added in into water outlet for surface water containing 200 μ g/L antimony,
It by Potassium peroxysulfate and single ammonium persulfate is 2 in molar ratio that single persulfate, which is,:1 ratio mixes, and is introduced into manganese sand
Filter tank, a concentration of 3 μ g/L of remaining antimony, removal rate are small up to 98.5% in being discharged after filtering by plasma mass spectrograph test
In《Standards for drinking water quality》(GB5749-2006) limit value of a concentration of 5 μ g/L of regulation antimony in.
Embodiment six：
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present embodiment, through the following steps that
It realizes：After coagulation, precipitation process, the mono- persulfates of 50mg/L are added in into water outlet for surface water containing 500 μ g/L antimony,
It by single sodium peroxydisulfate and single ammonium persulfate is 1 in molar ratio that single persulfate, which is,:1 ratio mixes, and is introduced into manganese sand
Filter tank, a concentration of 4 μ g/L of remaining antimony, removal rate are small up to 99.2% in being discharged after filtering by plasma mass spectrograph test
In《Standards for drinking water quality》(GB5749-2006) limit value of a concentration of 5 μ g/L of regulation antimony in.
Embodiment seven：
A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand of the present embodiment, through the following steps that
It realizes：After coagulation, precipitation process, the mono- persulfates of 50mg/L are added in into water outlet for surface water containing 500 μ g/L antimony,
It by Potassium peroxysulfate, single sodium peroxydisulfate and single ammonium persulfate is 1 in molar ratio that single persulfate, which is,:1:1 ratio mixes,
Manganese sand filter is introduced into, passes through a concentration of 3 μ g/L of remaining antimony in plasma mass spectrograph test water outlet, removal rate after filtering
Up to 99.4%, it is less than《Standards for drinking water quality》(GB5749-2006) limit value of a concentration of 5 μ g/L of regulation antimony in.
It can be seen that strengthen manganese sand except the method for treating water of antimony has than more prominent advantage using single persulfate.
Claims (10)
- A kind of 1. method for removing antimony in water removal using single persulfate reinforcing manganese sand, it is characterised in that it is through the following steps that real Existing：First, single persulfate is added in into the accessing pending water containing antimony, controls a concentration of 5~100mg/L of single persulfate；2nd, the filter bed equipped with manganese sand will be introduced containing the accessing pending water of single persulfate, after being filtered processing, that is, completes profit The method for removing antimony in water removal with single persulfate reinforcing manganese sand.
- 2. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist It is that one or more of Potassium peroxysulfate, list sodium peroxydisulfate and single ammonium persulfate are mixed as arbitrary than what is formed in single persulfate Close object.
- 3. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist It is discharged after coagulation, precipitation process for underground water or surface water in the accessing pending water.
- 4. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist A concentration of 15~80mg/L of single persulfate in the accessing pending water.
- 5. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist A concentration of 20~70mg/L of single persulfate in the accessing pending water.
- 6. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist A concentration of 25~60mg/L of single persulfate in the accessing pending water.
- 7. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist A concentration of 30~50mg/L of single persulfate in the accessing pending water.
- 8. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist A concentration of 35~45mg/L of single persulfate in the accessing pending water.
- 9. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist A concentration of 40mg/L of single persulfate in the accessing pending water.
- 10. a kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand according to claim 1, feature exist A concentration of 5~500 μ g/L of antimony in the accessing pending water.
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| CN201711456361.7A CN108163958A (en) | 2017-12-28 | 2017-12-28 | A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand |
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| CN201711456361.7A CN108163958A (en) | 2017-12-28 | 2017-12-28 | A kind of method for removing antimony in water removal using single persulfate reinforcing manganese sand |
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| CN115594285A (en) * | 2022-11-18 | 2023-01-13 | 东华大学（Cn） | Method for degrading organic pollutants in water by using trace metals |
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Application publication date: 20180615 |