CN102872828A - Composite adsorption material for removing silver ions from natural water and preparation method for adsorption material - Google Patents
Composite adsorption material for removing silver ions from natural water and preparation method for adsorption material Download PDFInfo
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- CN102872828A CN102872828A CN201210341841XA CN201210341841A CN102872828A CN 102872828 A CN102872828 A CN 102872828A CN 201210341841X A CN201210341841X A CN 201210341841XA CN 201210341841 A CN201210341841 A CN 201210341841A CN 102872828 A CN102872828 A CN 102872828A
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Abstract
The invention discloses a composite adsorption material for removing silver ions from natural water and a preparation method for the adsorption material, and belongs to the field of sewage purification treatment in environmental protection. The silver ions in the water are removed by the novel composite adsorption material prepared by loading kelp powder to macroporous silica gel according to the characteristic that hydroxyl on the surface of kelp can adsorb the silver ions and adsorption property of the macroporous silica gel; and 5g of novel composite adsorption material is added into 1L of natural water containing 0 to 50mg of silver ions, the water is adsorbed for 30 to 40 minutes and filtered, an adsorbent is removed, the content of the silver ions in the treated water is lower than 0.05mg, and the treated water reaches the drinking water safety standard. The adsorption material has the characteristics that cost is low, efficiency is high, an effect is good, effluent is stable and reaches the standard, and the like, the selection range of the adsorbent in the biological wastewater treatment process is expanded, environment is protected, wastes are recycled, and good social and economic benefits are achieved.
Description
Technical field
The present invention relates to a kind of composite adsorbing material of removing silver ion in the natural water body and preparation method thereof; the NEW TYPE OF COMPOSITE sorbing material that is specifically related to utilize sea-tangle to load on and makes on the macro porous silica gel is processed the method for silver ion in the natural water body, belongs to the dirty water decontamination handles field in the environmental protection.
Background technology
Fine silver is a kind of argenteous metal of beauty, and it has good ductility, and its electric conductivity and conductivity of heat all are the highest in all metals.Silver ion is different with the different oxidation activities of price, and+2 ,+3 silver ions have very high oxidisability, Ag
+Belonging to soft acid, be difficult to hydrolysis (being equivalent to alkali metal ion) in solution, be neutral such as solution such as silver nitrates therefore, but the highly basic of high concentration can make Ag
+Separating out (precipitation is silver oxide, for brown) with the form of precipitation injects the soda ash such as sodium carbonate and acts on it and only generate white precipitate.All conglomeraties such as silver plating, photography and experiment Zhun chemical analysis produce a large amount of silver-containing waste waters, directly it are discharged into not only contaminated environment but also waste resource of nature.The method ubiquity that tradition reclaims silver-containing waste water power consumption large, secondary pollution is arranged, to shortcomings such as the Trace Silver effect are little.Silver is one of trace element in the tissue, and the silver of trace is harmless to human body, and WHO regulation silver is 0.05ppm to the safety value of human body.
The method of reply silver ion mainly is by the precipitation method or displacement reaction and some sorbing materials removal silver ion at present.The precipitation method mainly are to add the easy of chloride ion-containing or hydroxide ion in silver ion water, generate precipitation to reach the purpose of removing silver ion by being combined with silver ion; Displacement reaction is by adding the metal more active than silver in solution, displace silver ion, may causing other ionic soils but lack.
In recent years, in the time of the further Improvement conventional process of people silver ion, turn to gradually bioanalysis, bioanalysis has efficient, energy-conservation, advantages of environment protection, become from natural water body, remove silver from and reclaim argent, and will substitute gradually normal processing method.Biosorption technology with its have adsorption capacity large, selective strong, efficient is high, consumption is few, can effectively process the sight that plurality of advantages such as containing low concentration silver ion water body has attracted numerous researchers.
The present invention is for obtaining a kind of non-living body biological adsorption agent of cheap, high adsorption capacity; a kind of NEW TYPE OF COMPOSITE sorbing material that utilizes Kelp Powder to load on to make on the macro porous silica gel is provided; realized having protected environment; widened the range of choice of biological wastewater treatment process adsorbent; realize the resource of discarded object, had good Social benefit and economic benefit.
Summary of the invention
The objective of the invention is for overcoming the deficiencies in the prior art, provide a kind of NEW TYPE OF COMPOSITE sorbing material that utilizes Kelp Powder to load on to make on the macro porous silica gel to remove the method for silver ion in the water.The present invention has the adsorption efficiency height, and is simple to operation, and cost is low, and water quality reaches safety standard after processing, and the characteristics such as processing procedure non-secondary pollution take full advantage of the production discarded object, have realized the effect of the treatment of wastes with processes of wastes against one another.
The objective of the invention is to be achieved through the following technical solutions:
(1) getting sea-tangle, is 70 ℃～80 ℃ oven dry in temperature, and grind into powder is got macro porous silica gel, and grind into powder is for subsequent use;
(2) get the 2g Kelp Powder, add 150mL acetone, add hot reflux 5～6h, with distilled water washing 3～5 times, to get rid of shielding biological adsorption agent cell surface lipid material, centrifugal collection is 70 ℃～80 ℃ oven dry in temperature, grinds for subsequent use;
(3) to 100mL, adding 2g Kelp Powder and 0.5mL mass concentration are 65%～70% red fuming nitric acid (RFNA) in the methyl alcohol, at 25 ℃～35 ℃ vibration 5～6h, with distilled water washing 3～5 times, to remove the carboxyl of shielding biological adsorption agent cell surface, centrifugal, be 70 ℃～80 ℃ oven dry in temperature, grind for subsequent use;
(4) adding 1g Kelp Powder and 20mL formaldehyde in 80mL formic acid, is 25 ℃～35 ℃ vibration 5～6h in temperature, with distilled water washing 3～5 times, to remove the amino of shielding biological adsorption agent cell surface, centrifugal, be 70 ℃～80 ℃ oven dry in temperature, grind for subsequent use;
(5) get Kelp Powder and macro porous silica gel powder after the processing, put into beaker by 1: 2 mass ratio, soak 7～8h with lauryl sodium sulfate, filter, with distilled water washing 3～5 times, oven dry namely gets the NEW TYPE OF COMPOSITE sorbing material.
Absorption principle of the present invention is: carboxyl, amino and lipid group are rich in the sea-tangle surface, behind the chemical barrier of getting rid of the surface, silver ion are had adsorptivity, the ionization carboxyl can with silver ion generation complexing, increased the adsorptivity of sorbing material; Itself has adsorptivity macro porous silica gel, and includes a large amount of spaces, can improve the adsorbance of sorbing material.
Its concrete grammar is: the injected volume with 5g/L joins the NEW TYPE OF COMPOSITE sorbing material in the natural water body that contains 0～50mg/L silver ion, and absorption 30min～40min filters, the filtering adsorbent, and the silver ion content after the absorption in the water is lower than 0.05ppm.
Use beneficial effect of the present invention:
(1) the selected raw material of the present invention all belongs to common materials, makes simply, and is cheap, can make in a large number;
(2) sorbing material of the present invention can by simple chemical treatment, can reclaim argent after using;
(3) dispose of sewage advantages of good adsorption effect, efficient of the present invention is high, the processing procedure non-secondary pollution.
The specific embodiment
The technical solution used in the present invention is as follows:
(1) getting sea-tangle, is 70 ℃～80 ℃ oven dry in temperature, and grind into powder is got macro porous silica gel, and grind into powder is for subsequent use;
(2) get the 2g Kelp Powder, add 150mL acetone, add hot reflux 5～6h, with distilled water washing 3～5 times, to get rid of shielding biological adsorption agent cell surface lipid material, centrifugal collection is 70 ℃～80 ℃ oven dry in temperature, grinds for subsequent use;
(3) adding 2g Kelp Powder and 0.5mL mass concentration in the 100mL methyl alcohol is 65%～70% red fuming nitric acid (RFNA), at 25 ℃～35 ℃ vibration 5～6h, with distilled water washing 3～5 times, to remove the carboxyl of shielding biological adsorption agent cell surface, centrifugal, be 70 ℃～80 ℃ oven dry in temperature, grind for subsequent use;
(4) adding 1g Kelp Powder and 20mL formaldehyde in 80mL formic acid, is 25 ℃～35 ℃ vibration 5～6h in temperature, with distilled water washing 3～5 times, to remove the amino of shielding biological adsorption agent cell surface, centrifugal, be 70 ℃～80 ℃ oven dry in temperature, grind for subsequent use;
(5) get Kelp Powder and macro porous silica gel powder after the processing, put into beaker by 1: 2 mass ratio, soak 7～8h with lauryl sodium sulfate, filter, with distilled water washing 3～5 times, oven dry namely gets the NEW TYPE OF COMPOSITE sorbing material.
Below describe again the present invention in detail with 3 embodiment:
Example 1
Getting sea-tangle, is 70 ℃ of oven dry in temperature, and grind into powder is got macro porous silica gel, and grind into powder is for subsequent use; Get the 2g Kelp Powder, add 150mL acetone, add hot reflux 5h, with distilled water washing 3 times, to get rid of shielding biological adsorption agent cell surface lipid material, centrifugal collection is 70 ℃ of oven dry in temperature, grinds for subsequent use; Add 2g Kelp Powder and 0.5mL mass concentration in the 100mL methyl alcohol and be 65% red fuming nitric acid (RFNA), at 25 ℃ of vibration 5h, with distilled water washing 3 times, to remove the carboxyl of shielding biological adsorption agent cell surface, centrifugal, be 70 ℃ of oven dry in temperature, grind for subsequent use: in 80mL formic acid, add 1g Kelp Powder and 20mL formaldehyde, temperature be 25 ℃ the vibration 5h, with distilled water washing 3 times, to remove the amino of shielding biological adsorption agent cell surface, centrifugal, be 70 ℃ of oven dry in temperature, grind for subsequent use; Get Kelp Powder and macro porous silica gel powder after the processing, put into beaker by 1: 2 mass ratio, soak 7h with lauryl sodium sulfate, filter, with distilled water washing 3 times, oven dry namely gets the NEW TYPE OF COMPOSITE sorbing material.
It is that 500mL concentration is that 10mg/L contains silver ion sewage that this sorbing material of 2.5g is put into volume, and absorption 30min filters, the filtering adsorbent, and the silver ion content after the absorption in the water is lower than 0.05ppm.
Example 2
Getting sea-tangle, is 80 ℃ of oven dry in temperature, and grind into powder is got macro porous silica gel, and grind into powder is for subsequent use; Get the 2g Kelp Powder, add 150mL acetone, add hot reflux 5h, with distilled water washing 3 times, to get rid of shielding biological adsorption agent cell surface lipid material, centrifugal collection is 80 ℃ of oven dry in temperature, grinds for subsequent use; Add 2g Kelp Powder and 0.5mL mass concentration in the 100mL methyl alcohol and be 70% red fuming nitric acid (RFNA), 30 ℃ of vibrations 5, with distilled water washing 3 times, to remove the carboxyl of shielding biological adsorption agent cell surface, centrifugal, be 780 ℃ of oven dry in temperature, grind for subsequent use: in 80mL formic acid, add 1g Kelp Powder and 20mL formaldehyde, being 30 ℃ in temperature shakes and raises 5, with distilled water washing 3 times, to remove the amino of shielding biological adsorption agent cell surface, centrifugal, be 80 ℃ of oven dry in temperature, grind for subsequent use; Get Kelp Powder and macro porous silica gel powder after the processing, put into beaker by 1: 2 mass ratio, soak 8h with lauryl sodium sulfate, filter, with distilled water washing 3 times, oven dry namely gets the NEW TYPE OF COMPOSITE sorbing material.
It is that 500mL concentration is 30mg/L silver ion sewage that this sorbing material of 2.5g is put into volume, and absorption 30min filters, the filtering adsorbent, and the silver ion content after the absorption in the water is lower than 0.05ppm.
Example 3
Getting sea-tangle, is 80 ℃ of oven dry in temperature, and grind into powder is got macro porous silica gel, and grind into powder is for subsequent use; Get the 2g Kelp Powder, add 150mL acetone, add hot reflux 6h, with distilled water washing 3 times, to get rid of shielding biological adsorption agent cell surface lipid material, centrifugal collection is 80 ℃ of oven dry in temperature, grinds for subsequent use; Add 2g Kelp Powder and 0.5mL mass concentration in the 100mL methyl alcohol and be 70% red fuming nitric acid (RFNA), centrifugal to remove the carboxyl of shielding biological adsorption agent cell surface with distilled water washing 3 times at 35 ℃ of vibration 6h, be 80 ℃ of oven dry in temperature, grind for subsequent use; Adding 1g Kelp Powder and 20mL formaldehyde in 80mL formic acid, is 35 ℃ of vibration 5～6h in temperature, more than except the amino of shielding biological adsorption agent cell surface, centrifugal with distilled water washing 3 times, is 80 ℃ of oven dry in temperature, grinds for subsequent use; Get Kelp Powder and macro porous silica gel powder after the processing, put into beaker by 1: 2 mass ratio, soak 8h with lauryl sodium sulfate, filter, with distilled water washing 3 times, oven dry namely gets the NEW TYPE OF COMPOSITE sorbing material.
It is that 500mL concentration is that 50mg/L contains silver ion that this sorbing material of 2.5g is put into volume, absorption 30min～, filter, the filtering adsorbent, the silver ion content after the absorption in the water is lower than 0.05ppm.
Claims (3)
1. composite adsorbing material of removing silver ion in the natural water body, it is characterized in that: this sorbing material is loaded on the macro porous silica gel by sea-tangle and makes.
2. a kind of composite adsorbing material of removing silver ion in the natural water body according to claim 1 and preparation method thereof is characterized in that;
(1) getting sea-tangle, is 70 ℃～80 ℃ oven dry in temperature, and grind into powder is got macro porous silica gel, and grind into powder is for subsequent use;
(2) get the 2g Kelp Powder, add 150mL acetone, add hot reflux 5～6h, with distilled water washing 3～5 times, to get rid of shielding biological adsorption agent cell surface lipid material, centrifugal collection is 70 ℃～80 ℃ oven dry in temperature, grinds for subsequent use;
(3) adding 3g Kelp Powder and 0.5mL mass concentration in the 100mL methyl alcohol is 65%～70% red fuming nitric acid (RFNA), at 25 ℃～35 ℃ vibration 5～6h, with distilled water washing 3～5 times, to remove the carboxyl of shielding biological adsorption agent cell surface, centrifugal, be 70 ℃～80 ℃ oven dry in temperature, grind for subsequent use:
(4) adding 1g Kelp Powder and 20mL formaldehyde in 80mL formic acid, is 25 ℃～35 ℃ vibration 5～6h in temperature, with distilled water washing 3～5 times, to remove the amino of shielding biological adsorption agent cell surface, centrifugal, be 70 ℃～80 ℃ oven dry in temperature, grind for subsequent use:
(5) get Kelp Powder and macro porous silica gel powder after the processing, put into beaker by 1: 2 mass ratio, soak 7～8h with dried sodium dialkyl sulfate, filter, with distilled water washing 3～5 times, oven dry namely gets the NEW TYPE OF COMPOSITE sorbing material.
3. according to claim 2 and a kind of composite adsorbing material of removing silver ion in the natural water body and preparation method thereof, it is characterized in that: described macro porous silica gel is to be sprayed and polycondensation generates gel particles by the fine gradual reaction of sodium silicate solution and dilute sulfuric acid and fine this prilling granulator, should doubt again warp of micelle: acid bubble, washing, aging, quadratic acid bubble, dry processing obtain macropore ball water shape silica gel product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277082A (en) * | 2016-08-03 | 2017-01-04 | 许祚员 | A kind of silver sewage-treating agent and preparation method thereof |
| CN109174010A (en) * | 2018-08-31 | 2019-01-11 | 深圳市迪莫斯环保科技有限公司 | One kind is except modified formaldehyde silica gel material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254077A (en) * | 2004-03-09 | 2005-09-22 | Sumitomo Osaka Cement Co Ltd | Method for manufacturing heavy metal adsorbent and adsorbent obtained thereby |
| US20050247635A1 (en) * | 2001-08-27 | 2005-11-10 | Vo Toan P | Adsorbents for removing heavy metal cations and methods for producing and using these adsorbents |
| CN1803275A (en) * | 2005-12-06 | 2006-07-19 | 青岛科技大学 | Novel silica gel loaded cross-linked chitosan adsorbent for heavy metal |
| CN102205231A (en) * | 2011-04-12 | 2011-10-05 | 浙江温州轻工研究院 | Adsorption microspheres of chitosan coated silica gel and preparation method thereof |
-
2012
- 2012-09-04 CN CN201210341841XA patent/CN102872828A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050247635A1 (en) * | 2001-08-27 | 2005-11-10 | Vo Toan P | Adsorbents for removing heavy metal cations and methods for producing and using these adsorbents |
| JP2005254077A (en) * | 2004-03-09 | 2005-09-22 | Sumitomo Osaka Cement Co Ltd | Method for manufacturing heavy metal adsorbent and adsorbent obtained thereby |
| CN1803275A (en) * | 2005-12-06 | 2006-07-19 | 青岛科技大学 | Novel silica gel loaded cross-linked chitosan adsorbent for heavy metal |
| CN102205231A (en) * | 2011-04-12 | 2011-10-05 | 浙江温州轻工研究院 | Adsorption microspheres of chitosan coated silica gel and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 孙道华等: "海带吸附银离子机制的研究", 《化学工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277082A (en) * | 2016-08-03 | 2017-01-04 | 许祚员 | A kind of silver sewage-treating agent and preparation method thereof |
| CN109174010A (en) * | 2018-08-31 | 2019-01-11 | 深圳市迪莫斯环保科技有限公司 | One kind is except modified formaldehyde silica gel material and preparation method thereof |
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Application publication date: 20130116 |