CN102872814A - Composite adsorbing material for removing nickel ions in natural water and preparation method thereof - Google Patents
Composite adsorbing material for removing nickel ions in natural water and preparation method thereof Download PDFInfo
- Publication number
- CN102872814A CN102872814A CN2012103221399A CN201210322139A CN102872814A CN 102872814 A CN102872814 A CN 102872814A CN 2012103221399 A CN2012103221399 A CN 2012103221399A CN 201210322139 A CN201210322139 A CN 201210322139A CN 102872814 A CN102872814 A CN 102872814A
- Authority
- CN
- China
- Prior art keywords
- adsorbing material
- vanillic aldehyde
- composite adsorbing
- preparation
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Water Treatment By Sorption (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention relates to a gulfweed and modified chitosan composite adsorbing material for treating nickel ions in water and a preparation method of the composite adsorbing material. According to the invention, the composite adsorbing material is obtained by taking natural gulfweed as a carrier, and crosslinking glutaraldehyde obtained by loading the modified chitosan with chitosan vanilline Schiff base; after the preparation, the composite material is fed into the water to be processed, the range of pH (Potential Of Hydrogen) value is 4.0 to 7.0, finally, the content of the nickel ions in the finally treated waste water is reduced to below 0.5mg/L, and the water outgoing can stably reach the standard; and after the adsorption, the composite adsorbing material can be neutralized and regenerated for reuse by desorbing the nickel ions with an acidic solution. The composite adsorbing material provided by the invention has the advantages that the cost is low, the process is simple, no secondary pollution is caused, the adsorption efficiency is high, the application range is wide, and the like.
Description
Technical field
The present invention is a kind of composite adsorbing material of removing nickel ion in the natural water body and preparation method thereof, is specifically related to contain the processing of the sewage of nickel ion, belongs to the dirty water decontamination handles field in the environmental protection.
Background technology
Nickel is one of trace element of needed by human, and it is metabolism, green blood, kinase and the formation coenzyme etc. that participate in cytohormone and pigment in the effect of human body.In case when human body lacks nickel, just be prone to the diseases such as cirrhosis, uremic, renal failure, liver lipid and Phospholipids metabolic disorder; But, excessive nickel also can make the people easily suffer from nasopharyngeal carcinoma, dermatitis, from diseases such as blood diseases, nowadays, nickel is by wide weary being applied in the industry such as plating, battery, printing and dyeing, and along with these industrial wastewater discharges in water body environment, nickel wherein can not be biodegradable and be converted into harmless object again, but by the food chain enrichment, therefore finally the mankind and other biological is caused serious harm.
The method of the nickel ion in the processing natural water body commonly used has electroosmose process, ion-exchange, electrochemical process, counter-infiltration and stream activated adoption etc. at present, but all there is weak point more or less in above method, most widely used method such as electrochemical process, but be difficult to carry out the recovery in time source after processing, easily produce secondary pollution; Ion-exchange, because specific selective to ion of ion exchange resin, and the impact of the factor such as resin regeneration, cost is higher, is difficult to promote etc.Therefore, need to consider, seek best practice.
Sargassum can be used as carrier, and for nickel ion good absorption property is arranged.The shitosan wide material sources, harmless nontoxic and have good absorption property, but adsorbance is not high, with vanillic aldehyde with become glycol modification after can greatly optimize its performance.
The present invention utilizes this composite adsorbing material of sargassum-modification of chitosan, and the new approaches of nickel ion in a kind of effective processing natural water body are provided.
Summary of the invention
The purpose of this invention is to provide a kind of green, process the composite adsorbing material of nickel ion in the water efficiently, avoid the secondary pollution that occurs producing in the electrochemical process and the expensive phenomenon of ion-exchange, so that the nickel ion in the natural water body after processing meets national standard.
The present invention according to principle be: sargassum is as carrier, and there are numerous function group on its surface.For the not high shitosan of adsorbance, can pass through oxalaldehyde with become glycol modification, thereby the adsorbance of nickel ion is strengthened greatly.After the mixing, sargassum is exposed to surperficial functional group and just can be combined with the one-tenth dialdehyde cross-linked chitosan vanillic aldehyde schiff base reaction that modification of chitosan obtains, thereby, nickel ion there is very strong absorption property.
Technical scheme provided by the present invention is:
(1) takes by weighing first shitosan 20～30g, behind formaldehyde immersion swelling 8h, filter, clean 2～3 times with distilled water, put into reactor, add 50mL distilled water, behind 50 ℃ of heating water bath 30min, add fragrant aldehyde 5～10g, reaction 10～20min filters, and adds acetone again and extracts, 85～95 ℃ of lower oven dry, make shitosan vanillic aldehyde schiff bases;
(2) the above-mentioned shitosan vanillic aldehyde schiff bases that makes is placed reactor, the isopropyl alcohol and the alcohol mixed solvent that are 50mL with volume soak 1h, add one-tenth dialdehyde solution 25～35mL of 25% again, heat 1～2h in 70 ℃ of waters bath with thermostatic control behind the stirring 10min;
(3) after said mixture cools off naturally, filter, water, ethanol, acetone wash 2～3 times respectively, 60～70 ℃ of lower oven dry, namely make glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases;
(4) get the sargassum 100～150g on seashore, soak 24h after repeatedly cleaning 5～6 times with clear water, again with clear water flushing 2～3 times, 40 ℃ of lower oven dry, pulverize;
(5) take by weighing above-mentioned dry state sargassum 25～35g in beaker, add the 80mL deionized water, be placed in one taking by weighing the above-mentioned Cheng Er Chuo cross-linked chitosan vanillic aldehyde schiff bases 10～15g that makes, jointly place numerical control ultrasonic cleaner, ultrasonic 2～3h takes out, after distilled water flushing 2～3 times, naturally dry, just finished the preparation of modification of chitosan-sargassum composite adsorbing material.
Described a kind of composite adsorbing material of removing nickel ion in the natural water body and preparation method thereof is characterized in that: described vanillic aldehyde is vanillic aldehyde, molecular formula C
8H
8O
3, formal name used at school is 3-methoxyl group-stupid formaldehyde of 4-hydroxyl.
Concrete application process of the present invention is: the composite adsorbing material 5～10g that gets the present invention's preparation, rendering to volume is that 300mL, nickel ion concentration are in the sewage of 100mg/L, adjusting pH is 4.0～7.0, vibration 1h, take out, the concentration that records the nickel ion in the sewage after processed all below 0.5mg/L, meets national grade one discharge standard GB8978-1996 " integrated wastewater discharge standard " (1.0mg/L).Skill is attached finish after, composite can re-use with in the acid solution desorption nickel ion and regeneration.
The beneficial effect that the present invention will produce;
(1) the prepared convenient sorbing material of the present invention can efficiently be processed the nickel ion in the natural water body, makes the water body after the processing meet national standard, no longer works the mischief.And selected raw material sources are extensive, and are cheap, are easy to obtain, and reduced the cost of processing nickel ion;
(2) production technology of the present invention is simple, and the wider pH scope of application is arranged, thereby applied widely, both has been conducive to promote in remote rural area, personal user, also is applicable to extensive water treatment.The characteristics such as the present invention also has the adsorption efficiency height, processes thoroughly, non-secondary pollution, recoverable.
The specific embodiment
The technical solution adopted in the present invention is as follows:
Take by weighing first shitosan 20～30g, behind formaldehyde immersion swelling 8h, filter, clean 2～3 times with distilled water, put into reactor, add 50mL distilled water, behind 50 ℃ of heating water bath 30min, add vanillic aldehyde 5～10g, reaction 10～20min filters, and adds acetone again and extracts, 85～95 ℃ of lower oven dry, make shitosan vanillic aldehyde schiff bases; The above-mentioned shitosan vanillic aldehyde schiff bases that makes is placed reactor, and the isopropyl alcohol and the alcohol mixed solvent that are 50mL with volume soak 1h, add glutaraldehyde solution 25～35mL of 25% again, heat 1～2h in 70 ℃ of waters bath with thermostatic control behind the stirring 10min; After said mixture cools off naturally, filter, water, ethanol, acetone wash 2～3 times respectively, 60～70 ℃ of lower oven dry, namely make glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases;
Get the sargassum 100～150g on seashore, soak 24h after repeatedly cleaning 5～6 times with clear water, again with clear water flushing 2～3 times, 40 ℃ of lower oven dry, pulverize; Take by weighing above-mentioned dry state sargassum 25～35g in beaker, add the 80mL deionized water, taking by weighing the above-mentioned glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases 10～15g that makes is placed in one again, jointly place numerical control ultrasonic cleaner, ultrasonic 2～3h takes out, behind distilled water flushing 2～3 times, naturally dry, just finished the preparation of modification of chitosan-sargassum composite adsorbing material.
Example 1
Take by weighing first shitosan 20g, behind formaldehyde immersion swelling 8h, filter, clean 2 times with distilled water, put into reactor, add 50mL distilled water, behind 50 ℃ of heating water bath 30min, add vanillic aldehyde 5g, reaction 10min filters, and adds acetone again and extracts, 85 ℃ of lower oven dry, make shitosan vanillic aldehyde schiff bases; The above-mentioned shitosan vanillic aldehyde schiff bases that makes is placed reactor, and the isopropyl alcohol and the alcohol mixed solvent that are 50mL with volume soak 1h, add 25% glutaraldehyde solution 25mL again, heat 1h in 70 ℃ of waters bath with thermostatic control behind the stirring 10min; After said mixture cools off naturally, filter, water, ethanol, acetone wash 2 times respectively, 60 ℃ of lower oven dry, namely make glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases;
Get the sargassum 100g on seashore, soak 24h after repeatedly cleaning 5 times with clear water, again with clear water flushing 2 times, 40 ℃ of lower oven dry, pulverize; Take by weighing above-mentioned dry state sargassum 25g in beaker, add the 80mL deionized water, taking by weighing the above-mentioned glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases 10g that makes is placed in one again, jointly place numerical control ultrasonic cleaner, ultrasonic 2h takes out, behind distilled water flushing 2 times, naturally dry, just finished the preparation of modification of chitosan-sargassum composite adsorbing material.
Example 2
Take by weighing first shitosan 30g, behind formaldehyde immersion swelling 8h, filter, clean 3 times with distilled water, put into reactor, add 50mL distilled water, behind 50 ℃ of heating water bath 30min, add vanillic aldehyde 10g, reaction 20min filters, and adds acetone again and extracts, 95 ℃ of lower oven dry, make shitosan vanillic aldehyde schiff bases; The above-mentioned shitosan vanillic aldehyde schiff bases that makes is placed reactor, and the isopropyl alcohol and the alcohol mixed solvent that are 50mL with volume soak 1h, add 25% glutaraldehyde solution 35mL again, heat 2h in 70 ℃ of waters bath with thermostatic control behind the stirring 10min; After said mixture cools off naturally, filter, water, ethanol, acetone wash 3 times respectively, 70 ℃ of lower oven dry, namely make glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases;
Get the sargassum 150g on seashore, soak 24h after repeatedly cleaning 6 times with clear water, again with clear water flushing 3 times, 40 ℃ of lower oven dry, pulverize; Take by weighing above-mentioned dry state sargassum 35g in beaker, add the 80mL deionized water, taking by weighing the above-mentioned glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases 15g that makes is placed in one again, jointly place numerical control ultrasonic cleaner, ultrasonic 3h takes out, behind distilled water flushing 3 times, naturally dry, just finished the preparation of modification of chitosan-sargassum composite adsorbing material.
Claims (3)
1. composite adsorbing material of removing plain nickel ion in the natural water body and preparation method thereof, described composite adsorbing material is to be prepared through the chitin modified glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases that forms by the sargassum load.
2. a kind of composite adsorbing material of removing nickel ion in the natural water body according to claim 1 and preparation method thereof is characterized in that valeral cross-linked chitosan vanillic aldehyde schiff bases preparation method is:
(1) takes by weighing first shitosan 20～30g, behind formaldehyde immersion swelling 8h, filter, clean 2～3 times with distilled water, put into reactor, add 50mL distilled water, behind 50 ℃ of heating water bath 30min, add vanillic aldehyde 5～10g, reaction 10-20min filters, and adds acetone again and extracts, 85～95 ℃ of lower oven dry, make shitosan vanillic aldehyde schiff bases;
(2) the above-mentioned shitosan vanillic aldehyde schiff bases that makes is placed reactor, the isopropyl alcohol and the alcohol mixed solvent that are 50mL with volume soak 1h, add glutaraldehyde solution 25～35mL of 25% again, heat 1～2h in 70 ℃ of waters bath with thermostatic control behind the stirring lOmin:
(3) after said mixture cools off naturally, filter, water, ethanol, propyl alcohol wash 2～3 times respectively, 60～70 ℃ of lower oven dry, namely make dialdehyde cross-linked chitosan vanillic aldehyde schiff bases;
(4) get the sargassum 100～150g on seashore, soak 24h after repeatedly cleaning 5～6 times with clear water, again with clear water flushing 2～3 times, 40 ℃ of lower oven dry, pulverize:
(5) take by weighing above-mentioned dry state sargassum 25～35g in beaker, add the 80mL deionized water, taking by weighing the above-mentioned glutaraldehyde cross-linking shitosan vanillic aldehyde schiff bases 10～15g that makes is placed in one again, jointly place numerical control ultrasonic cleaner, ultrasonic 2～3h takes out, behind distilled water flushing 2～3 times, naturally dry, just finished the lie preparation of composite adsorbing material of modification of chitosan-sargassum.
3. composite adsorbing material according to claim 2 and preparation method thereof, it is characterized in that: described vanillic aldehyde is vanillic aldehyde, molecular formula C
8H
8O
3, formal name used at school is Vanillin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103221399A CN102872814A (en) | 2012-08-28 | 2012-08-28 | Composite adsorbing material for removing nickel ions in natural water and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103221399A CN102872814A (en) | 2012-08-28 | 2012-08-28 | Composite adsorbing material for removing nickel ions in natural water and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102872814A true CN102872814A (en) | 2013-01-16 |
Family
ID=47474460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103221399A Pending CN102872814A (en) | 2012-08-28 | 2012-08-28 | Composite adsorbing material for removing nickel ions in natural water and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102872814A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334547A (en) * | 2016-10-12 | 2017-01-18 | 广州大学 | Regeneratable desorption agent of biological sargassum hemiphyllum adsorbent |
| CN106475064A (en) * | 2016-10-12 | 2017-03-08 | 广州大学 | Half leaf sargassum biological adsorption agent and its application |
| CN107986571A (en) * | 2016-03-15 | 2018-05-04 | 杭州启澄科技有限公司 | A kind of processing method of the electroplating wastewater containing antimony |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11277088A (en) * | 1998-03-30 | 1999-10-12 | Sinto Brator Co Ltd | Treatment of waste water containing water-soluble hydraulic fluid |
| CN101757886A (en) * | 2010-02-09 | 2010-06-30 | 浙江林学院 | Production method of environment-friendly chitosan intercalation composite bentonite adsorbent |
-
2012
- 2012-08-28 CN CN2012103221399A patent/CN102872814A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11277088A (en) * | 1998-03-30 | 1999-10-12 | Sinto Brator Co Ltd | Treatment of waste water containing water-soluble hydraulic fluid |
| CN101757886A (en) * | 2010-02-09 | 2010-06-30 | 浙江林学院 | Production method of environment-friendly chitosan intercalation composite bentonite adsorbent |
Non-Patent Citations (4)
| Title |
|---|
| 冯咏梅等: "马尾藻对水中重金属Ni2+的吸附研究", 《烟台大学学报（自然科学与工程版）》 * |
| 北京建筑工程学院: "《给水排水与环境工程》", 30 November 2010, 中国建筑工业出版社 * |
| 赵玉清等: "壳聚糖希夫碱制备及对Pb2+吸附的研究", 《黄金》 * |
| 陈培榕等: "重金属吸附剂壳聚糖的改性研究进展", 《化工环保》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986571A (en) * | 2016-03-15 | 2018-05-04 | 杭州启澄科技有限公司 | A kind of processing method of the electroplating wastewater containing antimony |
| CN106334547A (en) * | 2016-10-12 | 2017-01-18 | 广州大学 | Regeneratable desorption agent of biological sargassum hemiphyllum adsorbent |
| CN106475064A (en) * | 2016-10-12 | 2017-03-08 | 广州大学 | Half leaf sargassum biological adsorption agent and its application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103611496B (en) | Magnetic carbon-based adsorbent and application thereof | |
| CN103418340B (en) | Reduction-oxidation graphene-Fe3O4 nano composite, preparation method thereof, and application of reduction-oxidation graphene-Fe3O4 nano composite in absorbing bisphenol A | |
| CN102350318B (en) | Formaldehyde adsorption resin and preparation method thereof | |
| CN102249228B (en) | Method for preparing activated carbon from pinecone | |
| CN104549155A (en) | Biological activated carbon composite material and application thereof | |
| CN103848472B (en) | A kind of phenolic wastewater removes device and removing process thereof | |
| CN103894159A (en) | Dye adsorbent capable of effectively removing anions from wastewater and preparation method of dye adsorbent | |
| CN102247799A (en) | Method for removing humic acid in water by utilizing surfactant modified attapulgite | |
| CN105854804A (en) | Method for modifying activated carbon | |
| CN104986822B (en) | A kind of chemical modification carries the preparation of iron peanut shell dephosphorization material and renovation process | |
| CN105540949A (en) | Deep preprocessing method for crushed coal pressurized gasification industrial wastewater | |
| CN109529780A (en) | A kind of magnetic porous adsorbent and preparation method thereof | |
| CN103193364B (en) | Resource utilization method of ion exchange resin desorption solution | |
| CN103752280A (en) | Composite modified walnut shell adsorbent as well as preparation method and application of composite modified walnut shell absorbent | |
| CN103435737B (en) | Method for preparing adsorption resin through using (methyl)acrylic acid production wastewater as raw material | |
| CN108033592B (en) | Treatment method of high ammonia nitrogen wastewater | |
| CN102872814A (en) | Composite adsorbing material for removing nickel ions in natural water and preparation method thereof | |
| CN102872831A (en) | Compound adsorption material capable of removing cadmium ions in native water and preparation method thereof | |
| CN100556876C (en) | Reclaim the boric acid resin complexation-distillation integration technique of glycerine in the low-concentration sweet water | |
| CN110026159A (en) | A kind of preparation method of lead adsorbent | |
| CN101215366A (en) | Tannin chelating resin and preparing method thereof | |
| CN101912767A (en) | Method for preparing modified furfural residue heavy metal adsorbent | |
| CN102872794A (en) | Composite adsorption material for removing bromate from water and preparation method for adsorption material | |
| CN104667864A (en) | Peanut shell activated carbon water treatment agent | |
| CN104645942A (en) | Method for preparing bamboo shoot shell adsorbing material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130116 |