CN113023821A - Method for reducing nickel content in Wudalianchi bicarbonate mineral water - Google Patents
Method for reducing nickel content in Wudalianchi bicarbonate mineral water Download PDFInfo
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- CN113023821A CN113023821A CN202110404965.7A CN202110404965A CN113023821A CN 113023821 A CN113023821 A CN 113023821A CN 202110404965 A CN202110404965 A CN 202110404965A CN 113023821 A CN113023821 A CN 113023821A
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- activated carbon
- mineral water
- nickel
- water
- wudalianchi
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
Abstract
A method for reducing the nickel content in mineral spring water of heavy carbonate in Wudalianchi relates to a method for removing nickel in water. The invention aims to solve the problem that the existing water treatment technology is mostly applied to sewage and is not suitable for reducing nickel in mineral water. The method comprises the following steps: immersing the activated carbon into a nitric acid solution to obtain modified activated carbon; and adding the modified activated carbon into the five-large-chain-pond bicarbonate mineral water for adsorption to obtain the nickel-removed five-large-chain-pond bicarbonate mineral water. The method of the invention is used for removing nickel in the mineral water of the heavy carbonic acid in the five-large connecting pond, and the removal rate of the nickel can reach 13.81 percent. The method is suitable for removing nickel in the five-large-connecting-pond heavy carbonic acid mineral water.
Description
Technical Field
The invention relates to a method for removing nickel in water.
Background
Mineral water has become a common beverage in daily life, such as supermarkets, shopping malls, canteens and convenience stores, and the body shadow of the mineral water is everywhere. The underground water in the volcanic rock of the Wudalianchi pond forms a plurality of natural cold mineral springs containing rich chemical components and rich carbon dioxide, and has extremely high medical care and health care effects. The Wudalianchi mineral water belongs to strontium-silicon bicarbonate-carbonic acid type natural mineral water for drinking, wherein 4 indexes of strontium, metasilicic acid, free carbon dioxide and soluble total solid all meet the requirement of GB8537 limit index (only one of the limit indexes meets the requirement), and the Wudalianchi mineral water is a compound natural mineral water for drinking. Most of domestic mineral water sources belong to non-gas type, and Wudalianchi mineral water naturally contains carbon dioxide and is rare mineral resources which are rare in China. The bicarbonate mineral water is popular with brewers except drinking, and has wide application and considerable prospect.
Due to industrial pollution and rapid urban development, water pollution events occur continuously, and the safety of drinking water sources is seriously threatened. Ni2+As a common heavy metal ion in water, the ion is easily biologically enriched, is toxic to human bodies, and can increase the incidence of cancers. For removing nickel in water, the common treatment methods mainly include chemical precipitation, ion exchange, electrolysis, membrane separation and adsorption. The water treatment technology is mostly applied to sewage, and the research on the treatment method and the process of the nickel in the mineral water is less. The mineral water is natural and has no additive, and the mineral water cannot be added artificially. And the unstable factors in the mineral water can be removed only by aeration, decantation, filtration and the like in the production specified in the mineral water standard. There are many limitations on the method of reducing nickel in mineral water.
Disclosure of Invention
The invention aims to solve the problem that the existing water treatment technology is mostly applied to sewage and is not suitable for reducing nickel in mineral water, and provides a method for reducing the nickel content in the mineral water of the five-large-connected-pond bicarbonates.
A method for reducing the content of nickel in the five-large-connecting-pond heavy carbonic acid mineral water is completed according to the following steps:
firstly, immersing activated carbon into a nitric acid solution to obtain modified activated carbon;
and secondly, adding the modified activated carbon into the Wudalianchi bicarbonate mineral water for adsorption to obtain the Wudalianchi bicarbonate mineral water with nickel removed.
The invention has the beneficial effects that:
the mineral water containing carbon dioxide gas is cool and delicious, has a sterilizing effect, inhibits the propagation of bacteria and kills sensitive bacteria, but the mineral water is natural without addition and cannot be added artificially. And the unstable factors in the mineral water can be removed only by aeration, decantation, filtration and the like in the production specified in the mineral water standard. The method for reducing the nickel in the mineral water is limited in many aspects, the modified activated carbon is innovatively adopted to adsorb the nickel in the mineral water of the five-large-connecting-tank heavy carbonate, and the method has the advantages of simplicity in operation, low energy consumption, high removal rate, no secondary pollution, low treatment cost, strong selectivity and the like;
secondly, the method of the invention is used for removing nickel in the mineral water of the heavy carbonate in the five-large connecting pond, and the removal rate of the nickel can reach 13.81 percent.
The method is suitable for removing nickel in the five-large-connecting-pond heavy carbonic acid mineral water.
Detailed Description
The following examples further illustrate the present invention but are not to be construed as limiting the invention. Modifications and substitutions to methods, procedures, or conditions of the invention may be made without departing from the spirit of the invention.
The first embodiment is as follows: the method for reducing the nickel content in the five-large-connecting-pond heavy carbonic acid mineral water is completed according to the following steps:
firstly, immersing activated carbon into a nitric acid solution to obtain modified activated carbon;
and secondly, adding the modified activated carbon into the Wudalianchi bicarbonate mineral water for adsorption to obtain the Wudalianchi bicarbonate mineral water with nickel removed.
The second embodiment is as follows: the present embodiment differs from the present embodiment in that: the concentration of the nitric acid solution in the first step is 0.5-1.5 mol/L. Other steps are the same as in the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the concentration of the nitric acid solution in the first step is 1 mol/L. The other steps are the same as in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment and one of the first to third embodiments is as follows: the ratio of the mass of the activated carbon to the volume of the nitric acid solution in the first step (10 g-30 g) is 100 mL. The other steps are the same as those in the first to third embodiments.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: the volume ratio of the mass of the activated carbon to the nitric acid solution in the first step is 20g:100 mL. The other steps are the same as those in the first to fourth embodiments.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is as follows: in the first step, the activated carbon is immersed in the nitric acid solution for 3 to 8 hours. The other steps are the same as those in the first to fifth embodiments.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: in the first step, the activated carbon is immersed in a nitric acid solution for 5 hours. The other steps are the same as those in the first to sixth embodiments.
The specific implementation mode is eight: the difference between this embodiment and one of the first to seventh embodiments is: the ratio of the mass of the modified activated carbon in the step two to the volume of the Wudalianchi bicarbonate mineral water is 1g (100 mL-300 mL); and in the second step, the modified activated carbon is added into the five-large connecting pond heavy carbonic acid mineral water for adsorption, and the adsorption time is 100-140 min. The other steps are the same as those in the first to seventh embodiments.
The specific implementation method nine: the difference between this embodiment and the first to eighth embodiments is: the volume ratio of the modified activated carbon in the step two to the Wudalianchi bicarbonate mineral water is 1g:200 mL. The other steps are the same as those in the first to eighth embodiments.
The detailed implementation mode is ten: the difference between this embodiment and one of the first to ninth embodiments is as follows: and in the second step, the modified activated carbon is added into the five-large connecting pond heavy carbonic acid mineral water for adsorption, and the adsorption time is 120 min. The other steps are the same as those in the first to ninth embodiments.
The present invention will be described in detail with reference to examples.
Example 1: a method for reducing the content of nickel in the five-large-connecting-pond heavy carbonic acid mineral water is completed according to the following steps:
firstly, 20g of activated carbon is immersed in 100mL of nitric acid solution with the concentration of 1mol/L for 5 hours to obtain modified activated carbon;
and secondly, adding 1g of modified activated carbon into 200mL of the Wudalianchi bicarbonate mineral water for adsorption for 120min to obtain the Wudalianchi bicarbonate mineral water without nickel.
The nickel content in the raw mineral water of Wudalianchi bicarbonate spring water in example 1 was 64.86 μ g/L, and the nickel content in the Wudalianchi bicarbonate spring water from which nickel was removed was 55.9 μ g/L, whereby it was found that the removal rate of nickel was 13.81% by using the method of example 1.
Comparative example: adding 1g of activated carbon into 200mL of the Wudalianchi bicarbonate mineral water for adsorption for 120min to obtain the Wudalianchi bicarbonate mineral water without nickel.
In the comparative example, the content of nickel in the raw mineral water of Wudalianchi bicarbonate was 64.86 μ g/L, and the content of nickel in the Wudalianchi bicarbonate from which nickel was removed was 63.02 μ g/L, whereby it was found that the removal rate of nickel was 2.84% using the method of the comparative example.
Claims (10)
1. A method for reducing the nickel content in the mineral spring water of the five major connecting ponds and the heavy carbonic acid is characterized in that the method for reducing the nickel content in the mineral spring water of the five major connecting ponds and the heavy carbonic acid is completed according to the following steps:
firstly, immersing activated carbon into a nitric acid solution to obtain modified activated carbon;
and secondly, adding the modified activated carbon into the Wudalianchi bicarbonate mineral water for adsorption to obtain the Wudalianchi bicarbonate mineral water with nickel removed.
2. The method as claimed in claim 1, wherein the concentration of the nitric acid solution in the first step is 0.5 mol/L-1.5 mol/L.
3. The method as claimed in claim 1 or 2, wherein the concentration of nitric acid solution in the first step is 1 mol/L.
4. The method of claim 1 or 2, wherein the ratio of the mass of the activated carbon to the volume of the nitric acid solution in the first step is 10 g-30 g:100 mL.
5. The method of claim 4, wherein the ratio of the mass of the activated carbon to the volume of the nitric acid solution in the first step is 20 g/100 mL.
6. The method of claim 1, wherein the activated carbon is immersed in the nitric acid solution for 3-8 hours.
7. The method of claim 6, wherein the activated carbon is immersed in the nitric acid solution for 5h in step one.
8. The method of claim 1, wherein the ratio of the modified activated carbon in step two to the volume of the spring water is 1g (100-300 mL); and in the second step, the modified activated carbon is added into the five-large connecting pond heavy carbonic acid mineral water for adsorption, and the adsorption time is 100-140 min.
9. The method of claim 8, wherein the ratio of the modified activated carbon in step two to the volume of the spring water is 1g:200 mL.
10. The method according to claim 8, wherein the modified activated carbon is added to the five-large-chain-pond heavy carbonate mineral water for adsorption for 120min in step two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110404965.7A CN113023821A (en) | 2021-04-15 | 2021-04-15 | Method for reducing nickel content in Wudalianchi bicarbonate mineral water |
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| CN202110404965.7A CN113023821A (en) | 2021-04-15 | 2021-04-15 | Method for reducing nickel content in Wudalianchi bicarbonate mineral water |
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| CN113023821A true CN113023821A (en) | 2021-06-25 |
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Citations (7)
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| WO1997047380A1 (en) * | 1996-06-12 | 1997-12-18 | Project Earth Industries, Inc. | Acid contacted enhanced adsorbent and/or catalyst and binder system |
| WO2009053972A1 (en) * | 2007-10-22 | 2009-04-30 | Toxsorb Ltd | Modified activated carbon as adsorbent for anionic and cationic inorganic pollutants |
| CN102701308A (en) * | 2012-06-12 | 2012-10-03 | 黑龙江省科学院火山与矿泉研究所 | Method for removing organic matters and metal ions in raw mineral water of five connective ponds |
| US20140291246A1 (en) * | 2013-03-16 | 2014-10-02 | Chemica Technologies, Inc. | Selective Adsorbent Fabric for Water Purification |
| JP2017031042A (en) * | 2015-08-03 | 2017-02-09 | コスモ石油株式会社 | Process for producing activated charcoal, and activated charcoal |
| CN106582534A (en) * | 2017-01-07 | 2017-04-26 | 北京源清益壤环保科技有限公司 | Modified active carbon adsorbent for removing nickel from polluted water and preparation method for modified active carbon adsorbent |
| US20210032113A1 (en) * | 2019-07-30 | 2021-02-04 | King Fahd University Of Petroleum And Minerals | Porous carboxylated jute stick activated carbon |
-
2021
- 2021-04-15 CN CN202110404965.7A patent/CN113023821A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997047380A1 (en) * | 1996-06-12 | 1997-12-18 | Project Earth Industries, Inc. | Acid contacted enhanced adsorbent and/or catalyst and binder system |
| WO2009053972A1 (en) * | 2007-10-22 | 2009-04-30 | Toxsorb Ltd | Modified activated carbon as adsorbent for anionic and cationic inorganic pollutants |
| CN102701308A (en) * | 2012-06-12 | 2012-10-03 | 黑龙江省科学院火山与矿泉研究所 | Method for removing organic matters and metal ions in raw mineral water of five connective ponds |
| US20140291246A1 (en) * | 2013-03-16 | 2014-10-02 | Chemica Technologies, Inc. | Selective Adsorbent Fabric for Water Purification |
| JP2017031042A (en) * | 2015-08-03 | 2017-02-09 | コスモ石油株式会社 | Process for producing activated charcoal, and activated charcoal |
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| US20210032113A1 (en) * | 2019-07-30 | 2021-02-04 | King Fahd University Of Petroleum And Minerals | Porous carboxylated jute stick activated carbon |
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Application publication date: 20210625 |
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