CN107159139A - A kind of pineapple bran radical dye adsorbent of CTAB processing and preparation method and application - Google Patents
A kind of pineapple bran radical dye adsorbent of CTAB processing and preparation method and application Download PDFInfo
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- CN107159139A CN107159139A CN201710396404.0A CN201710396404A CN107159139A CN 107159139 A CN107159139 A CN 107159139A CN 201710396404 A CN201710396404 A CN 201710396404A CN 107159139 A CN107159139 A CN 107159139A
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- pineapple bran
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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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- 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
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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
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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
Abstract
The invention discloses pineapple bran radical dye adsorbent of a kind of CTAB processing and preparation method and application.The preparation method step is：（1）Mashing, dry, crushing, sieving, obtain pineapple bran dry powder after fresh pineapple skin slag is cleaned；（2）Obtained pineapple bran dry powder is soaked in CTAB solution, taken out, is sieved after drying, the pineapple bran radical dye adsorbent of the CTAB processing is obtained.The raw material of the present invention is fresh pineapple skin slag, raw material sources enrich, conveniently it is easy to get, good economy performance, preparation technology is simple, the pineapple bran radical dye adsorbent of the CTAB processing of preparation is significantly improved to the absorption property of congo red, is advantageously applied to the adsorption treatment of dyestuff or waste water, is had a good application prospect.
Description
Technical field
The invention belongs to the technical field of sorbing material, and in particular to a kind of pineapple bran adsorbing material and its preparation side
Method and application.
Background technology
Pineapple (Ananascomosus), scientific name pineapple is one of famous tropical fruit (tree), aboundresources, unique flavor,
And be deeply loved by the public, american torrid zone area is originated in, the main place of production concentrates on China, Thailand, Brazil, Mexico, Philippine
With Malaysia etc., usual pineapple kind point 4 classes, i.e. cacaine class, queen's class, Spain's class and hybridization species.Whole world pineapple
Annual production be about ten thousand tons of 1600-1900, be about more than 200 ten thousand tons in the annual production of China.Pineapple mostly as eating raw, or
Pineapple tin, jam, salad, cocktail auxiliary material etc. are machined to, and is used as the extraction raw material of bromelain.In pineapple production
In product process, pineapple bran occupies the 30-42% that pineapple processes waste, is abandoned usually as processing byproduct, dirty
The wasting of resources is also result in while dye environment.Therefore, pineapple bran how is made full use of and processes to promoting pineapple industry
High-valued and environmental protection is significant.Research find, pineapple bran mainly by cellulose, hemicellulose, lignin and
Pectin is constituted, and wherein cellulose dry weight content reaches 22%, and it is high-valued important of pineapple bran to make full use of these celluloses
Point of penetration, but the research at present for pineapple bran cellulose higher value application is relatively fewer.
Cetyl trimethylammonium bromide (CTAB) is a kind of common cationic surfactant, water-soluble, can be with
Anion, nonionic, amphoteric surfactant have good coordinating, with good stability and biological degradability, compare
Safety.CTAB simultaneously or a kind of cationic detergent, be widely used in wetting, sterilization, antistatic, decontamination, it is solubilized in terms of.
CTAB can be used as being used as Biocidal algae-killing agent, adhesive mud remover, or tooth in fibre with high-efficiency antistatic additive, or industry and oil field water process
It is used as sterilizing oral agent in cream, or hair is easy to combing, smooth, softness for shampoo and hair conditioner.CTAB also acts as ore deposit
Thing flotation agent, electroplate liquid corrosion inhibiter, asphalt emulsifier, hard surface cleaner and organic synthesis phase transfer catalyst etc..
The composition of plant adsorbing material, which is mainly inside cellulose composition, cellulose, many spaces, after treatment,
Some dyestuffs with specific charge can be adsorbed, with good adsorption effect.While plant adsorbing material wide material sources, into
This is low, with biological degradability, easily recovery, environmental protection, has research and application value well in sewage treatment area.Therefore,
Research material based on pineapple bran, obtained sorbing material is significant after being handled with CTAB solution.
The content of the invention
The primary and foremost purpose of the present invention is to provide a kind of pineapple bran radical dye adsorbent (CTAB-PP) of CTAB processing.
Another object of the present invention is to the system for the pineapple bran radical dye adsorbent for providing a kind of described CTAB processing
Preparation Method.
The present invention also aims to provide a kind of pineapple bran radical dye adsorbent of described CTAB processing in dyestuff
Or the application in the adsorption treatment of waste water, and be analyzed with the pineapple bran base adsorbent of hot water treatment.
The purpose of the present invention is achieved through the following technical solutions.
A kind of preparation method of the pineapple bran radical dye adsorbent of CTAB processing, comprises the following steps：
(1) mashing, dry, crushing, sieving, obtain pineapple bran dry powder after fresh pineapple skin slag is cleaned；
(2) obtained pineapple bran dry powder is soaked in CTAB solution, taken out, sieved after drying, obtain the CTAB
The pineapple bran radical dye adsorbent of processing.
Further, in step (1), described crush is crushed using crusher for Chinese herbal medicine.
Further, in step (1), (2), the drying is in 50-60 DEG C of dry 24-36h of temperature.
Further, in step (1), (2), the sieving was 80-100 mesh sieves.
Further, in step (2), the mass concentration of the CTAB solution is 0.09-0.10g/mL.
Further, in step (2), the solid-liquid ratio of the pineapple bran dry powder and CTAB solution is 1:10-1:20g/mL.
Further, in step (2), the temperature of the immersion is 45-55 DEG C, and the time of immersion is 9-11h.
A kind of pineapple bran radical dye adsorbent of CTAB processing as made from the preparation method described in any of the above-described.
A kind of pineapple bran radical dye adsorbent of described CTAB processing is applied to the adsorption treatment of dyestuff or waste water, inhales
Obtained pineapple bran radical dye adsorbent (water-PP) is handled in attached processing procedure using distilled water immersion to carry out to score
Analysis.
Compared with prior art, the invention has the advantages that and beneficial effect：
(1) primary raw material of the invention for preparing sorbing material derives from agricultural production discarded object pineapple bran, and material enriches,
It is readily available；
(2) present invention is using CTAB solution processing pineapple bran, and reaction condition is gentle, and handling process is simple and easy to apply, equipment
It is required that low, ecological, environmental protective, meets the feature of Green Chemistry；
(3) raw material of the invention is fresh pineapple skin slag, and raw material sources enrich, are conveniently easy to get, good economy performance, preparation technology
Simply, the pineapple bran radical dye adsorbent of the CTAB processing of preparation is significantly improved to the absorption property of congo red.
Brief description of the drawings
Fig. 1 is pineapple bran dry powder, pineapple bran adsorbing material CTAB-PP-2 and water-PP- prepared by embodiment 2
2 FTIR spectrograms；
Fig. 2 is pineapple bran dry powder, pineapple bran adsorbing material CTAB-PP-3 and water-PP- prepared by embodiment 3
3 XRD diffraction spectrograms；
Fig. 3 is pineapple bran the adsorbing material CTAB-PP-1 and water-PP-1 of the preparation of embodiment 1 in Different adding amount
Under influence result figure to congo red adsorption capacity；
Fig. 4 is the pineapple bran adsorbing material CTAB-PP-1 and water-PP-1 of the preparation of embodiment 1 Bu Tong Congo red
Influence result figure under dye strength to Dye Adsorption capacity.
Embodiment
Below in conjunction with drawings and examples, the invention will be further described and description, but embodiments of the present invention are not limited
In this.
In the specific embodiment of the invention, contaminated with the pineapple bran base that distilled water immersion handles the processing of obtained distilled water immersion
Material adsorbent (water-PP) and the pineapple bran radical dye adsorbent of the CTAB processing of the present invention are analyzed.
The preparation process of the radical dye adsorbent of distilled water immersion processing is adsorbed with the pineapple bran radical dye that CTAB is handled
The preparation process of agent is identical, concretely comprises the following steps：
(1) it is beaten after fresh pineapple skin slag is cleaned, after 50-60 DEG C of dry 24-36h, crushes, cross 80-100 mesh sieves, obtain
To pineapple bran dry powder；
(2) it is 1 by solid-liquid ratio by obtained pineapple bran dry powder:10-1:20g/mL is soaked in distilled water, the temperature of immersion
Spend for 45-55 DEG C, the time of immersion is 9-11h, is taken out, and after 50-60 DEG C of dry 24-36h, crosses 80-100 mesh sieves, is distilled
The radical dye adsorbent (water-PP) of water immersion treatment.
Embodiment 1
(1) fresh pineapple skin slag is beaten after over cleaning, 50 DEG C of dry 36h, crusher for Chinese herbal medicine is crushed after 80 mesh
Sieve screening, obtains pineapple bran dry powder；
(2) pineapple bran dry powder is pressed into solid-liquid ratio 1:20g/mL is soaked in 0.09g/mL CTAB solution, 55 DEG C of immersions
9h, is taken out, and 80 mesh sieves are crossed after 60 DEG C of dry 24h, obtains the pineapple bran base adsorbent (CTAB-PP-1) after CTAB processing；
Keep other treatment conditions identical, change CTAB solution into distilled water immersion pineapple bran dry powder, obtain at hot water
The pineapple bran base adsorbent (water-PP-1) of reason.
Embodiment 2
(1) fresh pineapple skin slag is beaten after over cleaning, 55 DEG C of dry 30h, crusher for Chinese herbal medicine is crushed after 100 mesh
Sieve screening, obtains pineapple bran dry powder；
(2) pineapple bran dry powder is pressed into solid-liquid ratio 1:15g/mL is soaked in 0.095g/mL CTAB solution, 50 DEG C of immersions
10h, is taken out, and 80 mesh sieves are crossed after 55 DEG C of dry 30h, obtains the pineapple bran base adsorbent (CTAB-PP-2) after CTAB processing；
Keep other treatment conditions identical, change CTAB solution into distilled water immersion pineapple bran dry powder, obtain at hot water
The pineapple bran base adsorbent (water-PP-2) of reason.
Pineapple bran dry powder, pineapple bran adsorbing material CTAB-PP-2 and water-PP-2 the FTIR spectrograms of preparation
As shown in figure 1, as shown in Figure 1, pineapple bran, CTAB-PP-2 and water-PP-2 are in 3200-3700cm-1Absworption peak be-OH
Characteristic absorption peak, 2920cm-1Neighbouring peak is C-H stretching vibration absworption peaks, 1732cm-1Neighbouring peak, which is that C=O is flexible, to shake
Dynamic absworption peak, 1045cm-1Neighbouring absworption peak is C-O-C stretching vibration absworption peaks.Compared with pineapple bran, CTAB-PP-2 and
Water-PP-2 absorption peak strength decreases, but remains the original absworption peak of pineapple bran substantially, illustrates processing procedure
Obvious change does not occur for middle structure.Wherein-OH characteristic absorption is significantly reduced, and illustrates prolonged CTAB solution and hot water
Processing can reduce the hydrogen bond action between pineapple bran cellulosic molecule, be conducive to external environment to be acted on its molecule contacts.With
Water-PP-2 is compared, and CTAB-PP-2 is in 2920,1732 and 1045cm-1Neighbouring absorption peak strength is higher.
Embodiment 3
(1) fresh pineapple skin slag is beaten after over cleaning, 60 DEG C of dry 24h, crusher for Chinese herbal medicine is crushed after 100 mesh
Sieve screening, obtains pineapple bran dry powder；
(2) pineapple bran dry powder is pressed into solid-liquid ratio 1:10g/mL is soaked in 0.10g/mL CTAB solution mixing, 45 DEG C of leachings
11h is steeped, is taken out, 100 mesh sieves are crossed after 50 DEG C of dry 36h, the pineapple bran base adsorbent (CTAB-PP- after CTAB processing is obtained
3)；
Keep other treatment conditions identical, change CTAB solution into distillation water process immersion pineapple bran dry powder, obtain heat
Water process pineapple bran base adsorbent (water-PP-3).
The pineapple bran dry powder of preparation, pineapple bran adsorbing material CTAB-PP-3 and water-PP-3 XRD diffraction spectras
Figure is as shown in Fig. 2 as shown in Figure 2, and spreading out by force occur width and 21.6 ° near in pineapple bran, CTAB-PP-3 and water-PP-3
Peak is penetrated, and weaker diffraction maximum occurs at 15.9 ° and 34.8 °, these belong to the XRD characteristic diffraction peaks of cellulose, illustrate spinach
Contain more cellulose in trailing plants skin slag, CTAB-PP-3 and water-PP-3.And the cellulose crystals structure after handling does not occur
Change, illustrate to remain original structure.CTAB-PP-3 occurs in that a new relatively thin stronger diffraction maximum at 20.5 °, and this is
Because CTAB-PP-3 has remained part CTAB in preparation process.
Embodiment 4
Congo red dye is adsorbed using pineapple bran the base adsorbent CTAB-PP-1 and water-PP-1 prepared in embodiment 1
Material.
(1) influence of the different pineapple bran base adsorbent additions to Congo red adsorption capacity：Accurately weigh respectively quantitative
The CTAB-PP-1 and water-PP-1 of (20,50,100,150,200 and 250mg) are placed in 100mL beakers, and 100mg/L is firm
Arnotto solution 50mL is moved into beaker；
(2) influence of the pineapple bran base adsorbent to Congo red adsorption capacity under different Congo red solution concentrations：Claim respectively
50mg CTAB-PP-1 and water-PP-1 are measured in beaker, accurately by the Congo red solution of quantitative concentrations (50,100,150,
200th, 250 and 300mg/L) 50mL move into beaker in；
(1) with (2) at ambient temperature stirring and adsorbing 2h, to adsorption equilibrium, supernatant is taken after centrifugation, ultraviolet spectrometry is used
Photometer determines light absorption value at 497nm wavelength.
Adsorption capacity Q of the adsorbent to congo red is calculated according to formula (1)e(mg/g)：
Wherein QeFor adsorption capacity (mg/g), CoFor dyestuff initial concentration (mg/L), CeDye strength during for adsorption equilibrium
(mg/L), m is the quality (g) of adsorbent, and V is the volume (L) of test solution.
Fig. 3 be in embodiment 1 the pineapple bran base adsorbent CTAB-PP-1 and water-PP-1 that prepare in Different adding amount
Under influence result figure to congo red adsorption capacity, now the initial concentration of dyestuff is 100mg/L.From the figure 3, it may be seen that with
The increase of adsorbent addition, is gradually reduced to Congo red adsorption capacity.CTAB-PP-1 is obvious to Congo red absorption property
Higher than water-PP-1, when adsorbent addition is 20mg, the absorption of CTAB-PP-1 and water-PP-1 to congo red
Capacity is respectively 111.98mg/g and 24.19mg/g.Illustrate that CTAB processing can significantly improve pineapple bran to congo red
Absorption property.
Fig. 4 is the Congo red performance impact result figure of absorption of the Congo red concentration to CTAB-PP-1 and water-PP-1, now
CTAB-PP-1 and water-PP-1 addition is 50mg.As shown in Figure 4, with the increase of dye strength, CTAB-PP-1
Congo red adsorption capacity is also gradually increased with water-PP-1, illustrates have in the dye solution of adsorbent in higher concentrations
More preferable absorption property.Meanwhile, pineapple bran water-s of the pineapple bran CTAB-PP-1 than hot water treatment after CTAB processing
PP-1 has more preferable absorption property.When congo red concentration is 300mg/L, CTAB-PP-1 and water-PP-1 are to firm
The adsorption capacity of arnotto is respectively 160.14mg/g and 51.77mg/g, illustrates that CTAB processing can significantly improve pineapple bran to firm
The absorption property of annotto.
Claims (8)
1. a kind of preparation method of the pineapple bran radical dye adsorbent of CTAB processing, it is characterised in that comprise the following steps：
（1）Mashing, dry, crushing, sieving, obtain pineapple bran dry powder after fresh pineapple skin slag is cleaned；
（2）Obtained pineapple bran dry powder is soaked in CTAB solution, taken out, is sieved after drying, obtains the CTAB processing
Pineapple bran radical dye adsorbent.
2. a kind of preparation method of the pineapple bran radical dye adsorbent of CTAB processing according to claim 1, its feature
It is, step（1）、（2）In, the drying is in 50-60 DEG C of dry 24-36h of temperature.
3. a kind of preparation method of the pineapple bran radical dye adsorbent of CTAB processing according to claim 1, its feature
It is, step（1）、（2）In, the sieving was 80-100 mesh sieves.
4. a kind of preparation method of the pineapple bran radical dye adsorbent of CTAB processing according to claim 1, its feature
It is, step（2）In, the mass concentration of the CTAB solution is 0.09-0.10 g/mL.
5. a kind of preparation method of the pineapple bran radical dye adsorbent of CTAB processing according to claim 1, its feature
It is, step（2）In, the solid-liquid ratio of the pineapple bran dry powder and CTAB solution is 1:10-1:20g/mL.
6. a kind of preparation method of the pineapple bran radical dye adsorbent of CTAB processing according to claim 1, its feature
It is, step（2）In, the temperature of the immersion is 45-55 DEG C, and the time of immersion is 9-11h.
7. the pineapple bran radical dye that a kind of CTAB as made from the preparation method described in claim requires any one of 1-6 is handled
Adsorbent.
8. a kind of pineapple bran radical dye adsorbent of CTAB processing described in claim 7 is applied to the absorption of dyestuff or waste water
Processing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112934191A (en) * | 2021-02-25 | 2021-06-11 | 广东轻工职业技术学院 | Dye adsorbent and preparation method and application thereof |
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