CN102179228A - Method for preparing carbon adsorbing material used for efficiently removing harmful ions from waste water - Google Patents
Method for preparing carbon adsorbing material used for efficiently removing harmful ions from waste water Download PDFInfo
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- CN102179228A CN102179228A CN 201110095495 CN201110095495A CN102179228A CN 102179228 A CN102179228 A CN 102179228A CN 201110095495 CN201110095495 CN 201110095495 CN 201110095495 A CN201110095495 A CN 201110095495A CN 102179228 A CN102179228 A CN 102179228A
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Abstract
The invention belongs to the technical field of adsorbing agents and relates to a method for preparing a carbon adsorbing material used for efficiently removing harmful ions from waste water. The method comprises the following step: on the basis of taking the soluble saccharide or furfural as a carbon source and the amino acid or compound containing sulfydryl, carboxyl or amino group as an additive, performing the hydro-thermal reaction on the carbon source and the additive at 160-220 DEG C, thereby generating the carbon solid adsorbing material. The adsorbing material can be used for processing heavy metal ions or transition metal ions in industrial effluent and domestic sewage and the processing effect is excellent. The method has the advantages that the soluble saccharide or furfural is used as a raw material for preparing the carbon solid adsorbing material, the cost of the raw material is low, the preparation process is simple, the solid adsorbing material is synthesized through one step of hydro-thermal reaction, the reaction condition is mild and controllable, and the solid adsorbing material prepared by using the method has excellent stability and contains a large amount of surface groups. The content of the surface groups can be controlled within a large scope without changing the reaction condition. The surface groups have strong interaction with the metal ions, such as sulfydryl and mercury ions, so that the carbon adsorbing material can be used for efficiently removing the harmful ions.
Description
1. technical field
The invention belongs to the sorbing material technical field, the preparation method who relates to the carbon material adsorbing material of harmful metal ion in a kind of efficient removal industrial wastewater, being particularly related to a kind of is carbon source with soluble saccharide or furfural, is the preparation method that additive passes through the hydrothermal carbonization method to contain sulfydryl, carboxyl or amino compound or amino acid.
2. background technology
Contain contents of many kinds of heavy metal ion in the industrial wastewater, its harmfulness outstanding behaviours to environment is: heavy metal ion can not biodegradation in environment, most of carcinogenic, teratogenesis, mutagenic extremely toxic substance of belonging to; Heavy metal ion in the water body enters human body by food chain, accumulates in human body, causes various diseases and disorder.Up to now, comprise oxidation-reduction method, ion-exchange, electrolysis, hyperfiltration, air supporting method, chemical precipitation method, absorption method for the processing method of industrial waste water that contains heavy metal ion.Absorption method is because processing simply, efficiently and always is subjected to extensive attention.
The tradition absorption method adopts traditional sorbing materials such as active carbon, NACF more, because this kind material selectivity is poor, to metal adsorption weak effects such as mercury, and is difficult to reclaim utilization again, causes its application to be restricted.For breaking through this restriction, need synthesize novel functional raw material of wood-charcoal material.The hydrothermal carbonization method is the method that just was subjected to broad research in recent years, and its advantage is that raw material is extensive, process simple, environmental protection, and functional group is rich on the surface, so aspect selective absorption good application prospects is arranged.Particularly importantly, the surface group of synthetic raw material of wood-charcoal material can regulate and control, thereby can introduce specific groups, particularly have the active group of better affinity with heavy metal, increase the adsorption rate and the adsorption capacity of heavy metal.The effect that similar resin is arranged, but have better heat endurance in comparison.
This patent is a carbon source with carbohydrate or furfural, and to be that additive carries out compound to contain sulfydryl, carboxyl or amino compound or amino acid, adopts Hydrothermal Preparation carbonaceous solid adsorption material.
3. summary of the invention
The purpose of this invention is to provide that a kind of preparation technology is simple, with low cost, good stability and have the preparation method of the carbonaceous solid adsorption material of controllability.
Technical scheme of the present invention is as follows: soluble sugar or furfural are mixed by a certain percentage with additive, evenly stir and be placed in the band teflon-lined stainless steel pressure still, hydro-thermal reaction a period of time at a certain temperature then, water, alcohol washing back suction filtration, oven dry, product is ground, can obtain carbonaceous solid adsorption material of the present invention.
Above-mentioned soluble sugar is soluble saccharides such as glucose, sucrose, maltose.Above-mentioned TGA can be used replacements such as mercaptoethanol, cysteine or lysine.
Above-mentioned preparation method is characterized in that: the consumption mass ratio of carbohydrate or furfural and TGA is 6: 1～3, and hydrothermal temperature is 160～220 ℃, and the hydro-thermal reaction time is 4～24 hours.
The present invention has the following advantages: employing be to be feedstock production carbonaceous solid adsorption material with soluble saccharide or furfural, its cost of material is cheap; The preparation process of the inventive method is simple, only need can synthesize desired solid adsorption material once the step hydro-thermal, and the reaction condition gentleness is controlled.The solid adsorption material good stability that the inventive method is prepared, and sorbing material surface acid amount and sulfur content are controlled, can be prepared according to the demand of concrete reaction.At counterweight metal species ion such as Hg
2+, Pb
2+, Cd
2+, Cu
2+, CrO
4 2-Deng the absorption aspect, effect is good, Hg
2+Adsorbance can reach 300mg/g, has good application prospects.
4. description of drawings
Accompanying drawing 1 reacts the SEM spectrogram of the solid adsorption material that obtains for glucose and cysteine.
Accompanying drawing 2 reacts the infrared spectrum of the solid adsorption material that obtains for glucose and TGA.
Accompanying drawing 3 reacts the XPS spectrum figure of the solid adsorption material that obtains for glucose and TGA.
5. the specific embodiment
Take by weighing glucose 6g, TGA 1g, after both are mixed, add suitable quantity of water, place band teflon-lined stainless steel pressure still, 180 ℃ of baking oven internal reaction a period of times.Take out cooling, grind the solid matter that obtains,,, spend the night the product oven dry that obtains with deionized water and ethanol washing, suction filtration.The content that records surperficial carboxyl through acid base titration is 4.13mmol/g.Analyze to such an extent that the content of S is 2.63mmol/g through EDS.The adsorption capacity of absorption Hg (II) ion is 300mg/g when pH=1.5.
Embodiment 2
Take by weighing furfural 6g, cysteine 3g, after both are evenly mixed, add suitable quantity of water, place the stainless steel pressure still of band teflon lined, 180 ℃ of baking oven internal reaction a period of times.Take out cooling, grind the solid matter that obtains, and wash with deionized water and ethanol, suction filtration with the product oven dry that obtains, spends the night.The content that records surperficial carboxyl through acid base titration is 4.30mmol/g.Analyze to such an extent that the content of S is 4.0mmol/g through EDS.The adsorption capacity of adsorpting lead ion is 145mg/g when pH=6.
Take by weighing sucrose 6g, lysine 1g, after both are mixed, add suitable quantity of water, place band teflon-lined stainless steel pressure still, 200 ℃ of baking oven internal reaction a period of times.Take out cooling, grind the solid matter that obtains,,, spend the night the product oven dry that obtains with deionized water and ethanol washing, suction filtration.The content that records surface amino groups through acid base titration is 2.2mmol/g.The adsorption capacity of Adsorption of Cu when pH=4 (II) ion is 130mg/g, and the adsorption capacity of absorption chromate is 200mg/g when pH=7.
Claims (8)
1. efficient preparation method who removes the carbon material adsorbing material of harmful metal ion in the industrial wastewater, it is characterized in that the present invention is the hydrothermal carbonization method that adopts under temperate condition, with soluble saccharide or furfural is carbon source, obtains carbon material adsorbing material with compound that contains sulfydryl, carboxyl or amino or amino acid etc. as the direct hydrothermal carbonization of additive.
2. the preparation method of carbon material adsorbing material according to claim 1, it is characterized in that: carbohydrate or furfural are directly mixed with additive, carry out hydro-thermal reaction at a certain temperature, the product that then reaction is obtained grinds, suction filtration after deionized water, alcohol washing, oven dry obtains carbon material adsorbing material.
3. carbon material adsorbing material according to claim 1 is characterized in that: described carbohydrate is soluble saccharides such as glucose, sucrose, maltose.
4. carbon material adsorbing material according to claim 1 is characterized in that: described additive is TGA, mercaptoethanol, cysteine, lysine etc.
5. the preparation method of carbon material adsorbing material according to claim 2, it is characterized in that: described hydrothermal temperature is 160～220 ℃, the hydro-thermal reaction time is 4～24 hours.
6. the preparation method of carbon material adsorbing material according to claim 2 is characterized in that: described hydro-thermal reaction is to carry out in band teflon-lined stainless steel cauldron.
7. the preparation method of carbon material adsorbing material according to claim 2, it is characterized in that: the consumption mass ratio of described carbohydrate and additive is 6: 1～3.
8. the preparation method of carbon material adsorbing material according to claim 2 is characterized in that: the adjustable number joint of the surface group of gained solid adsorption material.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580673A (en) * | 2012-02-18 | 2012-07-18 | 桂林理工大学 | Method for hydrothermally activating sisal hemp based carbon fibers |
| CN102872841A (en) * | 2012-09-29 | 2013-01-16 | 南京大学 | Sulfydryl-containing magnetic hydrogel and method and application for sulfydryl-containing magnetic hydrogel |
| CN103102222A (en) * | 2013-03-04 | 2013-05-15 | 南京工业大学 | Material capable of controlling slow release of fertilizer |
| CN103586007A (en) * | 2013-11-20 | 2014-02-19 | 中北大学 | Metal ion carbonized adsorption material and preparation method thereof |
| CN104445135A (en) * | 2013-09-17 | 2015-03-25 | 中国科学院大连化学物理研究所 | Nitrogen-containing carbon material with good hydrogen storage performance and application thereof |
| CN104587969A (en) * | 2015-02-03 | 2015-05-06 | 吉林大学 | Preparation method of carbon-base adsorbing material capable of selectively adsorbing copper ions |
| CN106582585A (en) * | 2016-12-27 | 2017-04-26 | 常州大学 | Preparation method of adsorbent material capable of removing mercurial ions in waste water |
| CN107285294A (en) * | 2017-07-05 | 2017-10-24 | 中国科学院大学 | A kind of preparation method of the conductive carbon material with low electro transfer impedance |
| CN109748277A (en) * | 2019-03-01 | 2019-05-14 | 河西学院 | The method for preparing high-adsorption active carbon using furfuraldehyde waste slag |
| CN109847706A (en) * | 2019-02-12 | 2019-06-07 | 广州大学 | A kind of surface functional group functionalization hydro-thermal carbon adsorbent and the preparation method and application thereof |
| CN111545174A (en) * | 2020-04-15 | 2020-08-18 | 济南大学 | Preparation method of modified fiber balls for adsorbing and separating trifluoro-benzene pyrimidine |
| CN113086966A (en) * | 2021-04-09 | 2021-07-09 | 安徽工业大学 | Method for preparing carbon material by converting sucrose waste liquid |
| CN113398893A (en) * | 2021-05-18 | 2021-09-17 | 济南大学 | Preparation method and application of biomass-based polymer modified carbon material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948106A (en) * | 2010-09-28 | 2011-01-19 | 华东理工大学 | Preparation method of blocky porous carbon with high specific surface area |
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2011
- 2011-04-15 CN CN 201110095495 patent/CN102179228A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948106A (en) * | 2010-09-28 | 2011-01-19 | 华东理工大学 | Preparation method of blocky porous carbon with high specific surface area |
Non-Patent Citations (2)
| Title |
|---|
| 《Chemistry of Materials》 20090901 Rezan Demir-Cakan etal Carboxylate-Rich Carbonaceous Materials via One-Step Hydrothermal Carbonization of Glucose in the Presence of Acrylic Acid 484-490 1-8 第21卷, 第3期 * |
| 《Journal of Hazardous Materials》 20080809 Aoife M. Burkea etal Large pore bi-functionalised mesoporous silica for metal ion pollution treatment 229-234 1-8 , 第164期 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580673B (en) * | 2012-02-18 | 2013-07-24 | 桂林理工大学 | Method for hydrothermally activating sisal hemp based carbon fibers |
| CN102580673A (en) * | 2012-02-18 | 2012-07-18 | 桂林理工大学 | Method for hydrothermally activating sisal hemp based carbon fibers |
| CN102872841A (en) * | 2012-09-29 | 2013-01-16 | 南京大学 | Sulfydryl-containing magnetic hydrogel and method and application for sulfydryl-containing magnetic hydrogel |
| CN103102222A (en) * | 2013-03-04 | 2013-05-15 | 南京工业大学 | Material capable of controlling slow release of fertilizer |
| CN103102222B (en) * | 2013-03-04 | 2014-09-17 | 南京工业大学 | Material capable of controlling slow release of fertilizer |
| CN104445135A (en) * | 2013-09-17 | 2015-03-25 | 中国科学院大连化学物理研究所 | Nitrogen-containing carbon material with good hydrogen storage performance and application thereof |
| CN103586007B (en) * | 2013-11-20 | 2015-07-15 | 中北大学 | Metal ion carbonized adsorption material and preparation method thereof |
| CN103586007A (en) * | 2013-11-20 | 2014-02-19 | 中北大学 | Metal ion carbonized adsorption material and preparation method thereof |
| CN104587969A (en) * | 2015-02-03 | 2015-05-06 | 吉林大学 | Preparation method of carbon-base adsorbing material capable of selectively adsorbing copper ions |
| CN106582585A (en) * | 2016-12-27 | 2017-04-26 | 常州大学 | Preparation method of adsorbent material capable of removing mercurial ions in waste water |
| CN107285294A (en) * | 2017-07-05 | 2017-10-24 | 中国科学院大学 | A kind of preparation method of the conductive carbon material with low electro transfer impedance |
| CN109847706A (en) * | 2019-02-12 | 2019-06-07 | 广州大学 | A kind of surface functional group functionalization hydro-thermal carbon adsorbent and the preparation method and application thereof |
| CN109748277A (en) * | 2019-03-01 | 2019-05-14 | 河西学院 | The method for preparing high-adsorption active carbon using furfuraldehyde waste slag |
| CN111545174A (en) * | 2020-04-15 | 2020-08-18 | 济南大学 | Preparation method of modified fiber balls for adsorbing and separating trifluoro-benzene pyrimidine |
| CN113086966A (en) * | 2021-04-09 | 2021-07-09 | 安徽工业大学 | Method for preparing carbon material by converting sucrose waste liquid |
| CN113398893A (en) * | 2021-05-18 | 2021-09-17 | 济南大学 | Preparation method and application of biomass-based polymer modified carbon material |
| CN113398893B (en) * | 2021-05-18 | 2023-02-24 | 济南大学 | Preparation method and application of biomass-based polymer modified carbon material |
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Application publication date: 20110914 |