CN106745456A - A kind of method for improving resin to phenmethylol adsorption capacity - Google Patents
A kind of method for improving resin to phenmethylol adsorption capacity Download PDFInfo
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- CN106745456A CN106745456A CN201611162502.XA CN201611162502A CN106745456A CN 106745456 A CN106745456 A CN 106745456A CN 201611162502 A CN201611162502 A CN 201611162502A CN 106745456 A CN106745456 A CN 106745456A
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- resin
- phenmethylol
- adsorption capacity
- alcohol
- waste water
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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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of raising resin to the method for phenmethylol adsorption capacity, comprise the following steps：Resin is pre-processed；Pretreated resin is added in phenmethylol waste water；Sodium salt is added in the mixed system of resin and phenmethylol waste water carries out adsorption treatment to phenmethylol.The present invention significantly improves resin to the adsorption capacity of phenmethylol and its treatment effect to phenmethylol waste water using sodium salt, and the operating method being related to is simple, effect is significant, for the treatment of technical benzene methanol waste water provides new method.
Description
Technical field
The invention belongs to resin adsorption field, and in particular to a kind of method of raising resin to phenmethylol adsorption capacity.
Background technology
Resin has advantages of good adsorption effect to organic matter, and disposal ability is strong, and wash-out is easy, the advantages of stable, is widely used
In the absorption of industrial organic matter.Resin is mainly combined with organic matter by hydrophobic forces, and the strong and weak and resin of its affinity is in itself
Property it is relevant with the polarity of organic matter.Resin is mainly with the absorption of organic matter and is combined by physical action, conventional method
It is to realize increasing adsorbance of the resin to organic matter by reducing temperature, industrially needs consumption big however, reducing temperature
The energy of amount.A kind of method of chemistry is found for this to improve adsorbance of the resin to phenmethylol, is a kind of feasible and effective
Method.Strengthen the ionic strength of solution by adding salt, so as to reduce the ionic strength of organic matter and solvent molecule, improve and inhale
Attached capacity.Salt can also increase resin swelling, increase porosity and specific surface area, so as to be conducive to improving adsorption capacity.Due to
Salt increases resin swelling, and zeolite regeneration becomes easier to, so as to reduce pollution of the organic matter to resin to a certain extent.
The content of the invention
It is an object of the invention to provide a kind of method for improving resin to phenmethylol adsorption capacity, the method has operation letter
Single, adsorption effect increases obvious, low cost and the advantages of can be recycled.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of raising resin is comprised the following steps to the method for phenmethylol adsorption capacity：Resin is pre-processed；Will be pre-
Treated resin is added in phenmethylol waste water；Sodium salt is added in the mixed system of resin and phenmethylol waste water to benzene first
Alcohol carries out adsorption treatment.
In such scheme, the preprocessing process comprises the following steps：1) resin is added in alcohol water mixed system and is surpassed
1~2h of sound, washing, is then added to after suction filtration in alcohol water mixed system be flowed back 6~8h in constant temperature at 50~70 DEG C, while hot after suction filtration
Dried to constant weight at 60~70 DEG C and obtain pretreated resin；Wherein the volume ratio of alcohol and water is 1:0.5~2, resin and alcohol
The solid-to-liquid ratio of water mixed system is 1:(2~25) g/mL.
In such scheme, the concentration of the phenmethylol waste water is 4000~1000mg/L；Resin is consolidated with phenmethylol waste water
Liquor ratio is 1:(10~125) g/mL；Concentration of the sodium salt in phenmethylol waste water is 0.02~2.5mol/L.
In such scheme, the resin is macroporous absorbent resin or superhigh cross-linking type resin etc..
In such scheme, the macroporous absorbent resin can select HPD-100 resins or AB-8 resins etc., superhigh cross-linking type tree
Fat can select NAD-150 resins or NAD-100 resins etc..
In such scheme, the alcohol in the alcohol water mixed system is methyl alcohol, ethanol, normal propyl alcohol or isopropanol.
In such scheme, the sodium salt is sodium chloride, sodium carbonate, sodium dihydrogen phosphate or sodium sulphate.
The present invention in phenmethylol waste water and mixed with resin system by adding salt, and the ion changed in solution system is strong
Degree, weakens the active force of phenmethylol and solvent molecule, and sodium salt can also increase the degree of ionization of weak electrolyte, and by transient dipole
The change of square changes the polarity of resin, reinforced resin to the electrostatic adsorption power of phenmethylol, so as to increase to phenmethylol
Adsorption effect.
The beneficial effects of the invention are as follows：Resin is significantly improved to the adsorption capacity of phenmethylol and its right by the addition of sodium salt
The treatment effect of phenmethylol waste water, not only operating method is simple for the method, pollution-free to resin, and sodium salt can be recycled, and be
The treatment of technical benzene methanol waste water provides new method.
Brief description of the drawings
Fig. 1 is influence (30 DEG C) of the different sodium salt concentration to resin adsorption phenmethylol in embodiment 1~4.
Specific embodiment
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention is not
It is limited only to the following examples.
In following examples, the NAD-100 resins and NAD-150 resins are by the Hubei limited duty of Green Homeland fine chemistry industry
Ren companies provide.The HPD-100 resins are provided by Zhengzhou Qin Shi Science and Technology Ltd.s, and AB-8 resins are by Anhui Samsung terebinthaceae
Skill Co., Ltd provides.
Embodiment 1
It is a kind of to increase the method that resin is adsorbed to phenmethylol, comprise the following steps：
1) 0.2g resins (NAD-100 resins) are added to 5mL methanol aqueous solutions (volume ratio of methyl alcohol and water is 2:3)
In, ultrasonic 1h, washing, suction filtration, the resin after ultrasound reason is added into 5mL ethanol waters, and (ethanol is 2 with water volume ratio:3)
In, constant temperature backflow 6h at 60 DEG C, suction filtration is after dry to constant weight at 60 DEG C while hot；
2) above-mentioned pretreated resin is added in the phenmethylol waste water solution that 25mL concentration is 5000mg/L, will
0.73g sodium chloride is adsorbed in being added to the mixed system of above-mentioned resin and phenmethylol waste water, phenmethylol before and after measurement absorption
Concentration, calculate addition sodium chloride after resin 350mg/g is increased to from 294mg/g to the adsorption capacity of phenmethylol.
Embodiment 2
It is a kind of to increase the method that resin is adsorbed to phenmethylol, comprise the following steps：
1) 0.2g resins (NAD-150 resins) are added to 5mL methanol aqueous solutions (volume ratio of methyl alcohol and water is 2:3)
In, ultrasonic 1h, washing, suction filtration, the resin after ultrasound reason is added into 5mL ethanol waters, and (ethanol is 2 with water volume ratio:3)
In, constant temperature backflow 6h at 60 DEG C, suction filtration is after dry to constant weight at 60 DEG C while hot；
2) above-mentioned pretreated resin is added in the phenmethylol waste water solution that 25mL concentration is 5000mg/L, will
1.32g sodium carbonate is adsorbed in being added to the mixed system of above-mentioned resin and phenmethylol waste water, phenmethylol before and after measurement absorption
Concentration, calculate addition sodium carbonate after resin 335mg/g is increased to from 294mg/g to the adsorption capacity of phenmethylol.
Embodiment 3
It is a kind of to increase the method that resin is adsorbed to phenmethylol, comprise the following steps：
1) 0.2g resins (NAD-150 resins) are added to 5mL methanol aqueous solutions (volume ratio of methyl alcohol and water is 2:3)
In, ultrasonic 1h, washing, suction filtration, the resin after ultrasound reason is added into 5mL ethanol waters, and (ethanol is 2 with water volume ratio:3)
In, constant temperature backflow 6h at 60 DEG C, suction filtration is after dry to constant weight at 60 DEG C while hot；
2) above-mentioned pretreated resin is added in the phenmethylol waste water solution that 25mL concentration is 5000mg/L, will
0.4g sodium dihydrogen phosphates are adsorbed in being added to the mixed system of above-mentioned resin and phenmethylol waste water, benzene first before and after measurement absorption
The concentration of alcohol, resin increases to 325mg/g to the adsorption capacity of phenmethylol from 294mg/g after calculating addition sodium dihydrogen phosphate.
Embodiment 4
It is a kind of to increase the method that resin is adsorbed to phenmethylol, comprise the following steps：
1) 0.2g resins (HPD-100 resins) are added to 5mL methanol aqueous solutions (volume ratio of methyl alcohol and water is 2:3)
In, ultrasonic 1h, washing, suction filtration, the resin after ultrasound reason is added into 5mL ethanol waters, and (ethanol is 2 with water volume ratio:3)
In, constant temperature backflow 6h at 60 DEG C, suction filtration is after dry to constant weight at 60 DEG C while hot；
2) above-mentioned pretreated resin is added in the phenmethylol waste water solution that 25mL concentration is 5000mg/L, will
1.78g sodium sulphate is adsorbed in being added to the mixed system of above-mentioned resin and phenmethylol waste water, phenmethylol before and after measurement absorption
Concentration, calculate addition sodium sulphate after resin 181mg/g is increased to from 154mg/g to the adsorption capacity of phenmethylol.
Embodiment 5
It is a kind of to increase the method that resin is adsorbed to phenmethylol, comprise the following steps：
1) 0.2g resins (AB-8 resins) are added to 5mL methanol aqueous solutions (volume ratio of methyl alcohol and water is 2:3) in, surpass
Sound 1h, washing, suction filtration, the resin after ultrasound reason is added into 5mL ethanol waters, and (ethanol is 2 with water volume ratio:3) in, 60
Constant temperature backflow 6h at DEG C, suction filtration is after dry to constant weight at 60 DEG C while hot；
2) above-mentioned pretreated resin is added in the phenmethylol waste water solution that 25mL concentration is 5000mg/L, will
1.5g sodium dihydrogen phosphates are adsorbed in being added to the mixed system of above-mentioned resin and phenmethylol waste water, benzene first before and after measurement absorption
The concentration of alcohol, resin increases to the adsorption capacity of phenmethylol from 120.0mg/g after calculating addition sodium dihydrogen phosphate
140.0mg/g。
Fig. 1 is influence of the different sodium salt concentration to resin adsorption phenmethylol in the present embodiment 1~4, and wherein abscissa is salt
Concentration (mol/L), ordinate be equilibrium adsorption capacity (mg/g).As shown in Figure 1, with the increase of sodium salt concentration, resin is to benzene
The adsorbance of methyl alcohol increases.
The foregoing is only the preferred embodiment of the present invention, it is noted that come for one of ordinary skill in the art
Say, without departing from the concept of the premise of the invention, make some modifications and variations, these belong to protection model of the invention
Enclose.
Claims (7)
1. a kind of resin that improves is to the method for phenmethylol adsorption capacity, it is characterised in that comprise the following steps：Resin is carried out pre-
Treatment；Pretreated resin is added in phenmethylol waste water；Sodium salt is added to the mixture of resin and phenmethylol waste water
Adsorption treatment is carried out to phenmethylol in system.
2. the resin that improves according to claim 1 is to the method for phenmethylol adsorption capacity, it is characterised in that the pretreatment
Process comprises the following steps：1) resin is added to 1~2h of ultrasound in alcohol water mixed system, alcohol is then added to after washing, suction filtration
In 6~8h of constant temperature backflow at 50~70 DEG C in water mixed system, dried to constant weight at 60~70 DEG C after suction filtration obtain pre- place while hot
Resin after reason；The volume ratio of alcohol and water is 1 wherein in alcohol water mixed system:0.5~2, resin is consolidated with alcohol water mixed system
Liquor ratio is 1:(2~25) g/mL.
3. the resin that improves according to claim 1 is to the method for phenmethylol adsorption capacity, it is characterised in that the phenmethylol
The concentration of waste water is 4000~1000mg/L；Resin is 1 with the solid-to-liquid ratio of phenmethylol waste water:(10~125) g/mL；Sodium salt is in benzene
Concentration in methanol waste water is 0.02~2.5mol/L.
4. the resin that improves according to claim 1 is to the method for phenmethylol adsorption capacity, it is characterised in that the resin is
Macroporous absorbent resin or superhigh cross-linking type resin.
5. the resin that improves according to claim 1 is to the method for phenmethylol adsorption capacity, it is characterised in that the macropore is inhaled
Attached resin is HPD-100 resins or AB-8 resins, superhigh cross-linking type resin NAD-150 resins or NAD-100 resins.
6. the resin that improves according to claim 1 is to the method for phenmethylol adsorption capacity, it is characterised in that the alcohol water is mixed
Alcohol in zoarium system is methyl alcohol, ethanol, normal propyl alcohol or isopropanol.
7. the resin that improves according to claim 1 is to the method for phenmethylol adsorption capacity, it is characterised in that the sodium salt is
Sodium chloride, sodium carbonate, sodium dihydrogen phosphate or sodium sulphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162502.XA CN106745456A (en) | 2016-12-15 | 2016-12-15 | A kind of method for improving resin to phenmethylol adsorption capacity |
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| CN201611162502.XA CN106745456A (en) | 2016-12-15 | 2016-12-15 | A kind of method for improving resin to phenmethylol adsorption capacity |
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| CN201611162502.XA Pending CN106745456A (en) | 2016-12-15 | 2016-12-15 | A kind of method for improving resin to phenmethylol adsorption capacity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003750A (en) * | 2019-12-16 | 2020-04-14 | 浙江工业大学 | Ultrasonic modified resin and application thereof in removing ammonia nitrogen in wastewater |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557726A (en) * | 2004-02-06 | 2004-12-29 | �Ϻ���ͨ��ѧ | Method for treating and reusing waste water of phenylcarbinol production |
-
2016
- 2016-12-15 CN CN201611162502.XA patent/CN106745456A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557726A (en) * | 2004-02-06 | 2004-12-29 | �Ϻ���ͨ��ѧ | Method for treating and reusing waste water of phenylcarbinol production |
Non-Patent Citations (1)
| Title |
|---|
| 杜方麓: "《中药化学》", 30 June 2006, 中国中医药出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003750A (en) * | 2019-12-16 | 2020-04-14 | 浙江工业大学 | Ultrasonic modified resin and application thereof in removing ammonia nitrogen in wastewater |
| CN111003750B (en) * | 2019-12-16 | 2022-10-11 | 浙江工业大学 | Ultrasonic modified resin and application thereof in removing ammonia nitrogen in wastewater |
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Application publication date: 20170531 |