CN108163959A - A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand - Google Patents
A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand Download PDFInfo
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- CN108163959A CN108163959A CN201711456495.9A CN201711456495A CN108163959A CN 108163959 A CN108163959 A CN 108163959A CN 201711456495 A CN201711456495 A CN 201711456495A CN 108163959 A CN108163959 A CN 108163959A
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- water
- sulphite
- manganese
- manganese sand
- removal
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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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F2101/206—Manganese or manganese compounds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand, it is related to method for treating water, solves conventional contacts oxidizing process and removes Mn in water removal2+The problem of efficiency is low.The method for treating water of the present invention：Sulphite is added in into accessing pending water, the filter bed equipped with manganese sand is introduced the water into and is filtered, sulphite is under the catalytic action of manganese sand, and by oxygen rapid oxidation for after potentiometric titrations, the potentiometric titrations of generation are by Mn in water2+Quick Oxidation is MnO2Particle, MnO2Particle entrapment completes Mn to manganese sand surface2+Removal.Advantages of the present invention：Sulfite chemical property is stablized, and transport, storage are convenient, cheap, it is easy to operate, it does not need to additionally increase equipment, large-scale application can be carried out in water factory, manganese sand oxygen catalytic oxidation sulphite generation potentiometric titrations speed is fast, and potentiometric titrations can be quickly by Mn2+It is oxidized to MnO2Particle, Mn2+Removal efficiency is high.
Description
Technical field
The present invention relates to drinking water treatment field more particularly to a kind of methods for removing Manganese in Drinking Water ion.
Background technology
Manganese is metallic element common in the essential trace elements of the human body and underground water.When manganese ion concentration surpasses in water
When crossing 0.05mg/L, manganese sediment can make water become red or brownish black, very strong to the pollution capacity of clothes and vessel；When in water
When manganese ion concentration is more than 0.3mg/L, water can be made to generate peculiar smell and make one to feel hurt.If the long-term excess intake of human body
Manganese can lead to slow poisoning, influence health or even may induce place containing excessive manganese in the water of certain areas
Disease.For these reasons, China is to manganese ion (Mn in Drinking Water2+) concentration done certain limitation,《Drinking Water
Sanitary standard》(GB5749-2006) limit value of regulation manganese ion is 0.lmg/L in.
At present, contact oxidation method is Mn in water removal2+Underground water is passed through manganese sand filtration by common treatment technology after aeration
Pond, by Mn under the catalytic action of manganese sand2+It is oxidized to MnO2And then be removed in filter process, there is processing technological flow letter
It is single, easy to operate, it realizes under condition of neutral pH to the removal of manganese, reduces demanganization difficulty, reduce investment and running cost
The advantages of, but there are oxygen by Mn2+It is oxidized to MnO2Slow-footed shortcoming.
Invention content
The present invention provides a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand, solves conventional contacts oxygen
Change method removes Mn in water removal2+The problem of efficiency is low.
A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present invention, through the following steps that real
Existing：
First, sulphite is added in into accessing pending water, control sulfite concentration is 1~100mg/L；
2nd, the accessing pending water containing sulphite is introduced into the filter bed equipped with manganese sand, after being filtered processing, that is, completed
The method for removing manganese ion in water removal using sulphite reinforcing manganese sand.
The accessing pending water is underground water, and surface water is discharged after coagulation, precipitation process, and flow is shown in Fig. 1.
The sulphite is sodium sulfite (Na2SO3), potassium sulfite (K2SO3), calcium sulfite (CaSO3), sulfurous acid
Hydrogen sodium (NaHSO3), potassium bisulfite (KHSO3) one or more of mixture.
A kind of principle that the method for manganese ion in water removal is gone using sulphite reinforcing manganese sand of the present invention：Water sulfite salt
(SO3 2-) under the catalytic action of manganese sand, by oxygen (O2) rapid oxidation be potentiometric titrations (SO4 ·-), see reaction equation (1) extremely
(3), then, the potentiometric titrations of generation can be rapidly by Mn of the absorption on manganese sand surface2+It is oxidized to MnO2Particle is shown in reaction
Formula (4), the MnO of generation2Particle is trapped manganese sand filtering material surface, reaches Mn in water removal2+Purpose.It is strong using sulphite
Changing manganese sand goes the reaction mechanism of manganese ion in water removal to see Fig. 2.
SO4 -+Mn2+→MnO2+SO4 2- (4)
A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present invention has the following advantages：
(1) sulfite chemical property is stablized, and transport, storage are convenient, cheap, are commercially easy to get；
(2) sulphite drinks water reducing agent catalogue by national be formally included in, easy to operate, does not need to additionally increase
Oil (gas) filling device does not change the original treatment process of water factory, can carry out large-scale application；
(3) it is fast to generate potentiometric titrations speed for manganese sand oxygen catalytic oxidation sulphite；
(4) potentiometric titrations can be quickly by Mn2+It is oxidized to MnO2Particle, Mn2+Removal efficiency is high, and removal rate reaches
99%.
Description of the drawings
Fig. 1 is the technological process that manganese ion method in water removal is gone using sulphite reinforcing manganese sand；
Fig. 2 is the reaction mechanism that manganese ion method in water removal is gone using sulphite 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 manganese ion in water removal is removed using sulphite reinforcing manganese sand of present embodiment
Method, through the following steps that realize：
First, sulphite (SO is added in into accessing pending water3 2-), control sulfite concentration is 1~100mg/L；
2nd, the accessing pending water containing sulphite is introduced into the filter bed equipped with manganese sand, after being filtered processing, that is, completed
The method for removing manganese ion in water removal using sulphite reinforcing manganese sand.
The accessing pending water is underground water, and surface water is discharged after coagulation, precipitation process, and flow is shown in Fig. 1.
A kind of principle that the method for manganese ion in water removal is gone using sulphite reinforcing manganese sand of the present invention：Water sulfite salt
(SO3 2-) under the catalytic action of manganese sand, by oxygen (O2) rapid oxidation be potentiometric titrations (SO4 -), see reaction equation (1) extremely
(3), then, the potentiometric titrations of generation can be rapidly by Mn of the absorption on manganese sand surface2+It is oxidized to MnO2Particle is shown in reaction
Formula (4), the MnO of generation2Particle is trapped manganese sand filtering material surface, reaches Mn in water removal2+Purpose.It is strong using sulphite
Changing manganese sand goes the reaction mechanism of manganese ion in water removal to see Fig. 2.
SO4 -+Mn2+→MnO2+SO4 2- (4)
A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present invention has the following advantages：
(1) sulfite chemical property is stablized, and transport, storage are convenient, cheap, are commercially easy to get；
(2) sulphite drinks water reducing agent catalogue by national be formally included in, easy to operate, does not need to additionally increase
Oil (gas) filling device does not change the original treatment process of water factory, can carry out large-scale application；
(3) it is fast to generate potentiometric titrations speed for manganese sand oxygen catalytic oxidation sulphite；
(4) potentiometric titrations can be quickly by Mn2+It is oxidized to MnO2Particle, Mn2+Removal efficiency is high.
Specific embodiment two：The present embodiment is different from the first embodiment in that：In the accessing pending water
Sulfite concentration is 5~90mg/L.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 sulfite concentration be 10~80mg/L.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
It is 20~70mg/L to manage the sulfite concentration 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
It is 30~60mg/L to manage the sulfite concentration 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
It is 40~50mg/L to manage the sulfite concentration 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：Sulphite is
Sodium sulfite (Na2SO3), potassium sulfite (K2SO3), calcium sulfite (CaSO3), sodium hydrogensulfite (NaHSO3), potassium bisulfite
(KHSO3) one or more of mixture.Other steps and one of parameter and specific embodiment one to six are identical.
When present embodiment sulfite salt is mixture, with arbitrary than mixing.
Beneficial effects of the present invention are verified by following embodiment：
Embodiment 1：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 5.0mg/L in pending underground water2+, 10.0mg/L sodium sulfites are added thereto
(Na2SO3), the underground water containing sodium sulfite is then introduced into manganese sand filter, is tested out after filtering using plasma mass spectrograph
Residue Mn in water2+A concentration of 0.05mg/L, removal rate is less than up to 99%《Standards for drinking water quality》(GB5749-
2006) limit value of regulation manganese ion 0.lmg/L in.
Embodiment 2：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 1.0mg/L2+Surface water, after coagulation, precipitation process, 5mg/L is added in into water outlet
Sodium hydrogensulfite (NaHSO3), the underground water containing sodium hydrogensulfite is then introduced into manganese sand filter, is measured in water outlet after filtering
Mn2+A concentration of 0.02mg/L, removal rate is less than up to 98%《Standards for drinking water quality》(GB5749-2006) it is provided in
The limit value of manganese ion 0.lmg/L.
Embodiment 3：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 5mg/L2+Surface water, after coagulation, precipitation process, it is sub- that 50mg/L is added in into water outlet
Potassium sulfate (K2SO3), the underground water containing potassium sulfite is then introduced into manganese sand filter, Mn in water outlet is measured after filtering2+It is dense
It spends for 0.05mg/L, removal rate is less than up to 99%《Standards for drinking water quality》(GB5749-2006) regulation manganese ion in
The limit value of 0.lmg/L.
Embodiment 4：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 3mg/L2+Surface water, after coagulation, precipitation process, it is sub- that 30mg/L is added in into water outlet
Calcium sulfate (CaSO3), the underground water containing calcium sulfite is then introduced into manganese sand filter, Mn in water outlet is measured after filtering2+It is dense
It spends for 0.05mg/L, removal rate is less than up to 98.3%《Standards for drinking water quality》(GB5749-2006) regulation manganese ion in
The limit value of 0.lmg/L.
Embodiment 5：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 5mg/L2+Surface water, after coagulation, precipitation process, it is sub- that 30mg/L is added in into water outlet
Potassium acid sulfate (KHSO3), the underground water containing potassium bisulfite is then introduced into manganese sand filter, Mn in water outlet is measured after filtering2+
A concentration of 0.08mg/L, removal rate is less than up to 98.4%《Standards for drinking water quality》(GB5749-2006) regulation manganese in
The limit value of ion 0.lmg/L.
Embodiment 6：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 4mg/L2+Surface water, after coagulation, precipitation process, it is sub- that 30mg/L is added in into water outlet
Sulfate, wherein, sulphite is sodium sulfite (Na2SO3) and potassium sulfite (K2SO3) it is 1 in molar ratio:1 ratio mixing
It forms；Then the underground water containing sulphite is introduced into manganese sand filter, Mn in water outlet is measured after filtering2+It is a concentration of
0.05mg/L, removal rate are less than up to 98.75%《Standards for drinking water quality》(GB5749-2006) regulation manganese ion in
The limit value of 0.lmg/L.
Embodiment 7：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 5mg/L2+Surface water, after coagulation, precipitation process, it is sub- that 40mg/L is added in into water outlet
Sulfate, wherein, sulphite is sodium sulfite (Na2SO3) and calcium sulfite (CaSO3) it is 2 in molar ratio:1 ratio mixing
It forms；Then the underground water containing sulphite is introduced into manganese sand filter, Mn in water outlet is measured after filtering2+It is a concentration of
0.05mg/L, removal rate are less than up to 99%《Standards for drinking water quality》(GB5749-2006) regulation manganese ion 0.lmg/ in
The limit value of L.
Embodiment 8：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 5mg/L2+Surface water, after coagulation, precipitation process, it is sub- that 40mg/L is added in into water outlet
Sulfate, wherein, sulphite is sodium sulfite (Na2SO3) and sodium hydrogensulfite (NaHSO3) it is 1 in molar ratio:1 ratio
It mixes；Then the underground water containing sulphite is introduced into manganese sand filter, Mn in water outlet is measured after filtering2+It is a concentration of
0.04mg/L, removal rate are less than up to 99.2%《Standards for drinking water quality》(GB5749-2006) regulation manganese ion in
The limit value of 0.lmg/L.
Embodiment 9：A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand of the present embodiment, is logical
Cross following steps realization：Mn containing 8mg/L2+Surface water, after coagulation, precipitation process, it is sub- that 50mg/L is added in into water outlet
Sulfate, wherein, sulphite is sodium sulfite (Na2SO3) and potassium bisulfite (KHSO3) it is 1 in molar ratio:1 ratio is mixed
It closes；Then the underground water containing sulphite is introduced into manganese sand filter, Mn in water outlet is measured after filtering2+It is a concentration of
0.06mg/L, removal rate are less than up to 99.25%《Standards for drinking water quality》(GB5749-2006) regulation manganese ion in
The limit value of 0.lmg/L.
Embodiment 10：The present embodiment it is a kind of using sulphite strengthen manganese sand go water removal in manganese ion method, be
It is realized by following steps：Mn containing 8mg/L2+Surface water, after coagulation, precipitation process, 60mg/L is added in into water outlet
Sulphite, wherein, sulphite is sodium sulfite (Na2SO3), potassium sulfite (K2SO3) and potassium bisulfite (KHSO3) massage
You are than being 1:1:1 ratio mixes；Then the underground water containing sulphite is introduced into manganese sand filter, is determined after filtering
Mn in water2+A concentration of 0.06mg/L, removal rate is less than up to 99.25%《Standards for drinking water quality》(GB5749-2006)
The limit value of middle regulation manganese ion 0.lmg/L.
Embodiment 11：The present embodiment it is a kind of using sulphite strengthen manganese sand go water removal in manganese ion method, be
It is realized by following steps：Mn containing 10mg/L2+Surface water, after coagulation, precipitation process, 80mg/ is added in into water outlet
L sulphite, wherein, sulphite is sodium sulfite (Na2SO3), potassium sulfite (K2SO3), calcium sulfite (CaSO3) and sulfurous
Potassium hydrogen phthalate (KHSO3) it is 1 in molar ratio:1:1:1 ratio mixes；Then the underground water containing sulphite is introduced into manganese
Sand filter measures Mn in water outlet after filtering2+A concentration of 0.08mg/L, removal rate is less than up to 99.2%《Drinking Water health
Standard》(GB5749-2006) limit value of regulation manganese ion 0.lmg/L in.
Embodiment 12：The present embodiment it is a kind of using sulphite strengthen manganese sand go water removal in manganese ion method, be
It is realized by following steps：Mn containing 10mg/L2+Surface water, after coagulation, precipitation process, 80mg/ is added in into water outlet
L sulphite, wherein, sulphite is sodium sulfite (Na2SO3), potassium sulfite (K2SO3), calcium sulfite (CaSO3), sulfurous
Sour hydrogen sodium (NaHSO3) and potassium bisulfite (KHSO3) it is 1 in molar ratio:1:1:1:1 ratio mixes；Then will contain
Sulphite underground water introduces manganese sand filter, and Mn in water outlet is measured after filtering2+A concentration of 0.05mg/L, removal rate reaches
99.5%, it is less than《Standards for drinking water quality》(GB5749-2006) limit value of regulation manganese ion 0.lmg/L in.
It can be seen that strengthening manganese sand using sulphite goes the method for manganese ion in water removal with than more prominent advantage.
Claims (10)
1. it is a kind of using sulphite strengthen manganese sand go water removal in manganese ion method, it is characterised in that it through the following steps that
It realizes：
First, sulphite is added in into accessing pending water, control sulfite concentration is 0.1~50mg/L；
2nd, the accessing pending water containing sulphite is introduced into the filter bed equipped with manganese sand, after being filtered processing, that is, completes to utilize
Sulphite strengthens the method that manganese sand removes manganese ion in water removal.
2. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is sulphite for one or more of sodium sulfite, potassium sulfite, calcium sulfite, sodium hydrogensulfite, potassium bisulfite
Mixture.
3. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is the water outlet of underground water or surface water after coagulation, precipitation process to be the accessing pending water.
4. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is 5~90mg/L to be the sulfite concentration in the accessing pending water.
5. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is 10~80mg/L to be the sulfite concentration in the accessing pending water.
6. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is 20~70mg/L to be the sulfite concentration in the accessing pending water.
7. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is 30~60mg/L to be the sulfite concentration in the accessing pending water.
8. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is 40~50mg/L to be the sulfite concentration in the accessing pending water.
9. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is 15mg/L to be the sulfite concentration in the accessing pending water.
10. a kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand according to claim 1, feature
It is in the accessing pending water that manganese ion concentration is 0.1~10mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456495.9A CN108163959A (en) | 2017-12-28 | 2017-12-28 | A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711456495.9A CN108163959A (en) | 2017-12-28 | 2017-12-28 | A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand |
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| Publication Number | Publication Date |
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Family
ID=62519257
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| CN201711456495.9A Withdrawn CN108163959A (en) | 2017-12-28 | 2017-12-28 | A kind of method for removing manganese ion in water removal using sulphite reinforcing manganese sand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115925086A (en) * | 2022-12-02 | 2023-04-07 | 重庆大学 | Method for degrading organic matters in wastewater |
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| JP2005087943A (en) * | 2003-09-19 | 2005-04-07 | Hitachi Plant Eng & Constr Co Ltd | Method for removing soluble manganese |
| JP5007731B2 (en) * | 2009-03-17 | 2012-08-22 | 水道機工株式会社 | Manganese catalytic oxidizer |
| CN106745658A (en) * | 2017-02-04 | 2017-05-31 | 同济大学 | One kind promotes aeration to remove Mn in water removal using sulphite2+Method |
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2017
- 2017-12-28 CN CN201711456495.9A patent/CN108163959A/en not_active Withdrawn
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| JP2005087943A (en) * | 2003-09-19 | 2005-04-07 | Hitachi Plant Eng & Constr Co Ltd | Method for removing soluble manganese |
| JP5007731B2 (en) * | 2009-03-17 | 2012-08-22 | 水道機工株式会社 | Manganese catalytic oxidizer |
| CN106745658A (en) * | 2017-02-04 | 2017-05-31 | 同济大学 | One kind promotes aeration to remove Mn in water removal using sulphite2+Method |
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| CN115925086A (en) * | 2022-12-02 | 2023-04-07 | 重庆大学 | Method for degrading organic matters in wastewater |
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Application publication date: 20180615 |