CN106732416A - A kind of rosin modifies the preparation method and applications of stalk adsorbent - Google Patents
A kind of rosin modifies the preparation method and applications of stalk adsorbent Download PDFInfo
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- CN106732416A CN106732416A CN201611084894.2A CN201611084894A CN106732416A CN 106732416 A CN106732416 A CN 106732416A CN 201611084894 A CN201611084894 A CN 201611084894A CN 106732416 A CN106732416 A CN 106732416A
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- rosin
- stalk
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- 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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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
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- 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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses the preparation method and applications that a kind of rosin modifies stalk adsorbent.Crushed with pulverizer after dry stalk is cut into segment, then the sub-sieve of 100 mesh is crossed, take sub-sieve lower part of screen point and dry 24h in 50 DEG C of electric drying oven with forced convections, dry stalk powder is obtained, dry stalk powder is just submerged with the ethanol water of 30 wt%, after stirring 24h, suction filtration, cleaned with the ethanol water of 30 wt% 3 times, then cleaned to filtrate to become with distilled water and clarified, products therefrom is placed in after drying 24h in 55 DEG C of electric drying oven with forced convections, take 10g products therefroms, 0.12g NaOH, 5h being stirred after 1g rosin and the mixing of 100mL deionized waters, rosin straw pulp is obtained, suction filtration, products therefrom is dried 24 hours under the conditions of 50 DEG C of air blast, cooling, rosin modification stalk adsorbent is obtained.Rosin modification stalk adsorbent of the invention is applied to containing dying industrial wastewater and the treatment containing heavy metal industrial effluent, and treatment effect is good.
Description
Technical field
It is subordinate to field the invention belongs to the preparation of environmentally friendly adsorbent and the treatment of Industry Waste water pollutant, specifically
It is related to a kind of rosin to modify the preparation method and applications of stalk adsorbent.
Background technology
With going from strength to strength for dye industry, its caused problem of environmental pollution is also highlighted, and waste water containing dye is
Turn into one of main pollution source of water body as China.Meanwhile, the waste water containing these dyestuffs be also most intractable waste water it
One., usually containing chemical constitutions such as aromatic rings, azos, chemical property is relatively stable, in nature for dyestuff in usual waste water
More difficult decomposition, degraded.After these pollutants enter water circulation system, the life in causing humans and animals that disease, destruction water occur
State chain, a series of environment and social concern can be caused.Therefore, the removal problem of the dyestuff in industrial wastewater, as domestic and international
The focus of the research of researcher.The method for the treatment of Wastewater Dyes has at present:Coagulation Method, oxidizing process, filtration method, microorganism
Facture and absorption method etc.., with respect to other method, handling process is simple, and adsorption efficiency is high, applicable wider range etc. for absorption method
Advantage, therefore in Industrial Wastewater Treatment work extensive use.During Handling Waste Water by Absorbing Way, the selection of adsorbent is crucial
Step.
In recent years, by the use of environment-friendly, cheap and easy to get, efficient stable material as adsorbent waste water from dyestuff treatment
In obtain more research.In China, with the propulsion of agricultural modernization, substantial amounts of stalk can be all produced every year, these agriculturals
Accessory substance causes atmosphere polluting problem often as waste combustion treatment.Because natural straw main component is lignin, fibre
Dimension element and hemicellulose, containing many active groups, therefore itself can be applied to wastewater treatment, but because its absorption property is relatively low
And make its application limited.In order to improve the absorption property of stalk, strengthen utilization ratio, present invention application rosin is carried out to its surface
Modification.At present, had not been reported for processing waste water as adsorbent using rosin modification stalk.
The content of the invention
For the deficiencies in the prior art, object of the present invention is to provide a kind of operating procedure is simple, cost
Cheap rosin modifies the preparation method and applications of stalk adsorbent.
Concretely comprise the following steps:
(1) physical treatment of material:
Dry stalk is cut into after segment and is crushed with pulverizer, then cross the sub-sieve of 100 mesh, take sub-sieve lower part of screen point in
24h is dried in 50 DEG C of electric drying oven with forced convections, dry stalk powder is obtained.
(2) modification of stalk powder：
1. dry stalk powder obtained in step (1) is just submerged with the ethanol water of 30 wt%, after stirring 24h, is taken out
Filter, is cleaned 3 times with the ethanol water of 30 wt%, is then cleaned to filtrate to become with distilled water and clarified, and gained solid product is placed in
After drying 24h in 55 DEG C of electric drying oven with forced convections, standby solid product is obtained（The step can effectively remove pigment and pole in stalk
Property material）.
2. 10g steps (2) the are taken and 1. walks obtained standby solid product, 0.12g NaOH, 1g rosin and 100mL
Prepared rosin-the straw pulps of stirring 5h after ionized water mixing, suction filtration, it is small that gained solid product dries 24 under the conditions of 50 DEG C of air blast
When, cooling is obtained rosin modification stalk adsorbent.
Rosin modification stalk adsorbent of the invention is applied to containing dying industrial wastewater and the place containing heavy metal industrial effluent
Reason, treatment effect is good.
Compared with prior art, advantage of the invention is that:
1st, raw material stalk is agricultural wastes, cheap and easy to get, wide material sources, is prepared into efficient absorption material, meets resource
Recycling theory.Rosin is also in itself natural materials, environment-friendly.
2nd, preparation technology used is easy to operate, simple and easy to apply.
3rd, the rosin of proposition first modifies stalk is used for Study on Industrial Wastewater, synthesizes a kind of new adsorbent, enriches
Adsorbent synthesis chemistry, has practical significance to development industry Environmental capacity new technology.
4th, preparation-obtained new adsorbent rosin modification stalk for industrial wastewater have treatment effeciency higher and
Preferable absorption property, and processing cost is cheap, it is easy to operate.It is the place of the industrial wastewater containing pollutants such as the dyes of positive ion
Reason provides scientific basis.
5th, the obtained adsorbent of the present invention belongs to environmentally friendly material, and non-secondary pollution is produced.
Brief description of the drawings
Fig. 1 modifies the FTIR spectrum figure of stalk adsorbent for rosin obtained in the embodiment of the present invention, wherein, a- is not
The stalk of modification, b- rosin modification stalk adsorbent.
Specific embodiment
The present invention is further elaborated below by specific preparation embodiment and Application Example, in order to
Skilled artisan understands that of the invention.
Embodiment:
(1) physical treatment of material:
Dry stalk is cut into after segment and is crushed with pulverizer, then cross the sub-sieve of 100 mesh, take sub-sieve lower part of screen point in
24h is dried in 50 DEG C of electric drying oven with forced convections, dry stalk powder is obtained.
(2) modification of stalk powder：
1. dry stalk powder obtained in step (1) is just submerged with the ethanol water of 30 wt%, after stirring 24h, is taken out
Filter, is cleaned 3 times with the ethanol water of 30 wt%, is then cleaned to filtrate to become with distilled water and clarified, and gained solid product is placed in
After drying 24h in 55 DEG C of electric drying oven with forced convections, standby solid product is obtained.
2. 10g steps (2) the are taken and 1. walks obtained standby solid product, 0.12g NaOH, 1g rosin and 100mL
Prepared rosin-the straw pulps of stirring 5h after ionized water mixing, suction filtration, it is small that gained solid product dries 24 under the conditions of 50 DEG C of air blast
When, cooling is obtained rosin modification stalk adsorbent.
It is below 8 Application Examples of the invention：
1st, rosin modification stalk adsorbent obtained in 50mg the present embodiment is inserted in 250mL conical flask with cover, adds 50mL dense
It is the 200mg/L methylene blue dye aqueous solution to spend, and 0.5h is shaken with the speed of 150rpm in 25 DEG C of water bath chaders, then, is taken
Go out conical flask, the rotating speed for pouring out solution with 10000rpm on centrifuge separates solution with solid, the supernatant that will be obtained is used
Spectrophotometer surveys its absorbance under the maximum absorption wavelength (664nm) of methylene blue, detects the concentration of wherein excess dye,
So as to the clearance for obtaining dyestuff methylene blue is 94.69 %.
2nd, rosin modification stalk adsorbent obtained in 50mg the present embodiment is inserted in 250mL conical flask with cover, is added
50mL concentration is the 400mg/L methylene blue dye aqueous solution, shakes 0.5h with the speed of 150rpm in 25 DEG C of water bath chaders, so
Afterwards, conical flask is taken out, the rotating speed for pouring out solution with 10000rpm on centrifuge separates solution with solid, the supernatant that will be obtained
Liquid spectrophotometer surveys its absorbance under the maximum absorption wavelength (664nm) of methylene blue, detection wherein excess dye
Concentration, so as to the clearance for obtaining dyestuff methylene blue is 98.12 %.
3rd, rosin modification stalk adsorbent obtained in 50mg the present embodiment is inserted in 250mL conical flask with cover, is added
50mL concentration is the 600mg/L methylene blue dye aqueous solution, shakes 0.5h with the speed of 150rpm in 25 DEG C of water bath chaders, so
Afterwards, conical flask is taken out, the rotating speed for pouring out solution with 10000rpm on centrifuge separates solution with solid, the supernatant that will be obtained
Liquid spectrophotometer surveys its absorbance under the maximum absorption wavelength (664nm) of methylene blue, detection wherein excess dye
Concentration, so as to the clearance for obtaining dyestuff methylene blue is 98.91 %.
4th, rosin modification stalk adsorbent obtained in 50mg the present embodiment is inserted in 250mL conical flask with cover, is added
50mL concentration is the 800mg/L methylene blue dye aqueous solution, shakes 0.5h with the speed of 150rpm in 25 DEG C of water bath chaders, so
Afterwards, conical flask is taken out, the rotating speed for pouring out solution with 10000rpm on centrifuge separates solution with solid, the supernatant that will be obtained
Liquid spectrophotometer surveys its absorbance under the maximum absorption wavelength (664nm) of methylene blue, detection wherein excess dye
Concentration, so as to the clearance for obtaining dyestuff methylene blue is 99.30 %.
5th, rosin modification stalk adsorbent obtained in 50mg the present embodiment is inserted in 250mL conical flask with cover, is added
50mL concentration is the aqueous solution of 100mg/L copper ions (Cu2+), and the pH value of metal ion solution is 6.5, in 25 DEG C of water-bath vibrations
Device shakes 1h with the speed of 150rpm, then, takes out conical flask, and pouring out solution will be molten with the rotating speed of 10000rpm on centrifuge
Liquid is separated with solid, and the supernatant that will be obtained detects the concentration of wherein residual metallic ion with atomic absorption spectrophotometer, from
And the clearance for obtaining copper ion is 96.47%.
6th, rosin modification stalk adsorbent obtained in 50mg the present embodiment is inserted in 250mL conical flask with cover, is added
50mL concentration is the aqueous solution of 400mg/L copper ions (Cu2+), and the pH value of metal ion solution is 6.5, in 25 DEG C of water-bath vibrations
Device shakes 1h with the speed of 150rpm, then, takes out conical flask, and pouring out solution will be molten with the rotating speed of 10000rpm on centrifuge
Liquid is separated with solid, and the supernatant that will be obtained detects the concentration of wherein residual metallic ion with atomic absorption spectrophotometer, from
And the clearance for obtaining copper ion is 97.68%.
7th, rosin modification stalk adsorbent obtained in 50mg the present embodiment is inserted in 250mL conical flask with cover, is added
50mL concentration is the aqueous solution of 600mg/L copper ions (Cu2+), and the pH value of metal ion solution is 6.5, in 25 DEG C of water-bath vibrations
Device shakes 1h with the speed of 150rpm, then, takes out conical flask, and pouring out solution will be molten with the rotating speed of 10000rpm on centrifuge
Liquid is separated with solid, and the supernatant that will be obtained detects the concentration of wherein residual metallic ion with atomic absorption spectrophotometer, from
And the clearance for obtaining copper ion is 98.35%.
8th, rosin modification stalk adsorbent obtained in 50mg the present embodiment is inserted in 250mL conical flask with cover, is added
50mL concentration is the aqueous solution of 800mg/L copper ions (Cu2+), and the pH value of metal ion solution is 6.5, in 25 DEG C of water-bath vibrations
Device shakes 1h with the speed of 150rpm, then, takes out conical flask, and pouring out solution will be molten with the rotating speed of 10000rpm on centrifuge
Liquid is separated with solid, and the supernatant that will be obtained detects the concentration of wherein residual metallic ion with atomic absorption spectrophotometer, from
And the clearance for obtaining copper ion is 99.21%.
8 Application Examples more than are, it can be seen that rosin modification stalk adsorbent is applied to contain obtained in the present embodiment
Dying industrial wastewater and the treatment containing heavy metal industrial effluent, treatment effect are good.
Claims (3)
1. a kind of rosin modifies the preparation method of stalk adsorbent, it is characterised in that concretely comprise the following steps:
(1) physical treatment of material:
Dry stalk is cut into after segment and is crushed with pulverizer, then cross the sub-sieve of 100 mesh, take sub-sieve lower part of screen point in
24h is dried in 50 DEG C of electric drying oven with forced convections, dry stalk powder is obtained；
(2) modification of stalk powder：
1. dry stalk powder obtained in step (1) is just submerged with the ethanol water of 30 wt%, after stirring 24h, is taken out
Filter, is cleaned 3 times with the ethanol water of 30 wt%, is then cleaned to filtrate to become with distilled water and clarified, and gained solid product is placed in
After drying 24h in 55 DEG C of electric drying oven with forced convections, standby solid product is obtained；
2. 10g steps (2) the are taken and 1. walks obtained standby solid product, 0.12g NaOH, 1g rosin and 100mL deionizations
5h is stirred after water mixing rosin-straw pulp is obtained, suction filtration, gained solid product is dried 24 hours under the conditions of 50 DEG C of air blast, cold
But, that is, rosin modification stalk adsorbent is obtained.
2. the rosin that prepared by a kind of preparation method as claimed in claim 1 modifies the application of stalk adsorbent, it is characterised in that
Rosin modification stalk adsorbent is applied to the treatment containing dying industrial wastewater.
3. the rosin that prepared by a kind of preparation method as claimed in claim 1 modifies the application of stalk adsorbent, it is characterised in that
Rosin modification stalk adsorbent is applied to the treatment containing heavy metal industrial effluent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611084894.2A CN106732416B (en) | 2016-12-01 | 2016-12-01 | A kind of preparation method and applications of rosin modification stalk adsorbent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611084894.2A CN106732416B (en) | 2016-12-01 | 2016-12-01 | A kind of preparation method and applications of rosin modification stalk adsorbent |
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| CN106732416A true CN106732416A (en) | 2017-05-31 |
| CN106732416B CN106732416B (en) | 2019-04-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955571A (en) * | 2010-09-07 | 2011-01-26 | 桂林理工大学 | Method for preparing rosin-based polymer microspheres |
| CN102266756A (en) * | 2011-07-25 | 2011-12-07 | 武汉工程大学 | Preparation method of citric acid modified rape straw adsorbent and application thereof |
| CN102491320A (en) * | 2011-11-28 | 2012-06-13 | 福州大学 | Pitch-based active carbon with superhigh specific surface area and preparation method thereof |
-
2016
- 2016-12-01 CN CN201611084894.2A patent/CN106732416B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955571A (en) * | 2010-09-07 | 2011-01-26 | 桂林理工大学 | Method for preparing rosin-based polymer microspheres |
| CN102266756A (en) * | 2011-07-25 | 2011-12-07 | 武汉工程大学 | Preparation method of citric acid modified rape straw adsorbent and application thereof |
| CN102491320A (en) * | 2011-11-28 | 2012-06-13 | 福州大学 | Pitch-based active carbon with superhigh specific surface area and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 林淑萍等: "新型沥青基高比表面积活性炭的制备及性能", 《化工新型材料》 * |
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Application publication date: 20170531 Assignee: Guangxi conglomeration Energy Technology Co.,Ltd. Assignor: GUILIN University OF TECHNOLOGY Contract record no.: X2022450000521 Denomination of invention: Preparation and application of a rosin modified straw adsorbent Granted publication date: 20190412 License type: Common License Record date: 20221229 |