CN106179257A - A kind of fern modified adsorbent - Google Patents
A kind of fern modified adsorbent Download PDFInfo
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- CN106179257A CN106179257A CN201610763615.9A CN201610763615A CN106179257A CN 106179257 A CN106179257 A CN 106179257A CN 201610763615 A CN201610763615 A CN 201610763615A CN 106179257 A CN106179257 A CN 106179257A
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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
- 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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- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of fern modified adsorbent and preparation method thereof.Owing to Aleuritopteris argentea (Gmel.) Fee has super hydrophobic and lipophile characteristic, it contains a large amount of cellulose, and the present invention is using Aleuritopteris argentea (Gmel.) Fee as raw material, and under the effect of isopropanol, potassium hydroxide solution and citric acid solution, modification is prepared as a kind of biomass adsorbent.
Description
Technical field
The present invention relates to a kind of adsorbent, particularly to one using pteridophyta cellulose as raw material, modified preparation
A kind of adsorbent and method, belong to adsorbing material field.
Background technology
Along with the development of process of industrialization, heavy metal pollution is increasingly severe, owing to heavy metal can not be by microorganism
Degraded, can only occur the mutual conversion between various form in the environment, so, the elimination of heavy metal pollution is the most tired
Difficulty, can be enriched with in the body that heavy metal is lived, and causes various disease and body disorderly, very harmful to organism.
The technique that efficiently separates being presently used for removing heavy metal ions in sewage has: at the exchange of precipitation, ion, electrochemistry
Reason, membrane technology, evaporation coagulation, reverse osmosis and electrodialysis etc., but the application of these technology is limited, closely by technique and economy sometimes
Over Nian, organism absorption by living is removed the method for heavy metal and has been caused concern, this method mainly utilize hyperaccumulative plant,
Algae and microorganism heavy metal have bigger absorbability to remove the heavy metal in waste water, but process dirt with the organism lived
Water is limited by Biomass and the growth characteristics of organism itself, and such method is also unsuitable for applying on a large scale the most so far.
Modified cellulose class adsorbent is one of important development direction of current cellulose functional high molecule material.Such adsorbent does not draws
Entering new pollutant, consume energy low, so there being important application in water processes, and being more easy to regeneration than adsorbent resin again, and
Stability is high, and adsorptive selectivity is special, and adsorbent price is far below adsorbent resin.
Pteridophyta widely distributed China various places, owing to having special organizational structure, have super hydrophobic and lipophile
Characteristic, has certain adsorption function, and it contains a large amount of cellulose, can prepare cellulose modified adsorbent.The present invention is with argentum powder
Back of the body Herba pteridii latiusculi is as raw material, and under the effect of isopropanol, NaOH solution and citric acid solution, modification is prepared as a kind of biomass absorbent
Agent.
Summary of the invention
The present invention is to provide a kind of fern modified adsorbent and preparation method thereof.This preparation method passes through techniques below route
Realize:
(1) Aleuritopteris argentea (Gmel.) Fee clean water is removed earth, then cleans with distilled water and put into and baking oven is carried out dry to constant weight；
(2) dried object pulverizer is pulverized, sieve；
(3) with a container collection powder, then toward container is poured into the isopropanol of certain solubility, and it is stirred continuously and makes it fully react；
(4) being filtered by solution, and be carried out with distilled water, wash products is placed in drying baker and dries；
(5) dry product to be reentered in container, then pour the potassium hydroxide solution of certain solubility into, and be stirred continuously and make it abundant
Reaction；
(6) being filtered by solution, and be carried out with distilled water, wash products is placed in drying baker and dries；
(7) dry product to be reentered in container, then pour the citric acid solution of certain solubility into, and be stirred continuously and make it the most anti-
Should；It is neutral that the most last distilled water is washed till solution, and filters, after drying product.
Preferentially, step (1) in, dry temperature be 50-70 DEG C.
Preferentially, step (2) in, the mesh number of sieve is 100-200 mesh.
Preferentially, step (3) in, the solubility of isopropanol is 15-20%, and the response time is 12-15 hour.
Preferentially, step (4), (6), (8) in, dry temperature conditions be at 50-60 DEG C, drying time is 10-20 hour.
Preferentially, step (5) in, the solubility of potassium hydroxide is 0.1-0.5mol/L, and the response time is 1-2 hour.
Preferentially, step (7) in, the solubility of citric acid is 0.5-1mol/L, and the response time is 2-4 hour.
The present invention has following advantages and a characteristic:
(1) abundant raw material source, with low cost；
(2) technique is simple, easily operates；
The most environmentally friendly, not secondary pollution.
Detailed description of the invention
Embodiment one:
Choose Aleuritopteris argentea (Gmel.) Fee clean water and remove earth, then clean with distilled water, be then placed in the baking oven under the conditions of 50 DEG C
Carry out drying to constant weight, then dried object pulverizer is pulverized, cross 200 mesh sieves, weigh 10g powder and put in a container, more past
Pouring solubility in container into is 15% isopropanol, and is stirred continuously and makes it fully react, and is filtered by solution after 12 hours, and with distilling
Water is carried out, and wash products is placed in the drying baker under the conditions of 50 DEG C and dries, and after drying 20 hours, drying object relays
Enter in container, then pour the potassium hydroxide solution of 0.1mol/L into, and be stirred continuously and make it fully react, by solution mistake after 2 hours
Filter, and be carried out with distilled water, wash products is placed in the drying baker under the conditions of 50 DEG C and dries, after drying 20 hours,
Drying product to be reentered in container, then pour the citric acid solution of 0.5mol/L into, solution was filtered after 4 hours by stirring reaction,
And be carried out to solution being neutral with distilled water, finally it is placed in the drying baker under the conditions of 50 DEG C and dries, dry 20 little
Time after product.
Embodiment two:
Choose Aleuritopteris argentea (Gmel.) Fee clean water and remove earth, then clean with distilled water, be then placed in the baking oven under the conditions of 60 DEG C
Carry out drying to constant weight, then dried object pulverizer is pulverized, cross 100 mesh sieves, weigh 20g powder and put in a container, more past
Pouring solubility in container into is 18% isopropanol, and is stirred continuously and makes it fully react, and is filtered by solution after 13 hours, and with distilling
Water is carried out, and wash products is placed in the drying baker under the conditions of 55 DEG C and dries, and after drying 15 hours, drying object relays
Enter in container, then pour the potassium hydroxide solution of 0.5mol/L into, and be stirred continuously and make it fully react, by solution mistake after 1 hour
Filter, and be carried out with distilled water, wash products is placed in the drying baker under the conditions of 55 DEG C and dries, after drying 15 hours,
Drying product to be reentered in container, then pour the citric acid solution of 1mol/L into, solution was filtered after 2 hours by stirring reaction, and
It is carried out to solution being neutral with distilled water, is finally placed in the drying baker under the conditions of 55 DEG C and dries, dry 15 hours
After product.
Embodiment three:
Choose Aleuritopteris argentea (Gmel.) Fee clean water and remove earth, then clean with distilled water, be then placed in the baking oven under the conditions of 70 DEG C
Carry out drying to constant weight, then dried object pulverizer is pulverized, cross 100 mesh sieves, weigh 20g powder and put in a container, more past
Pouring solubility in container into is 20% isopropanol, and is stirred continuously and makes it fully react, and is filtered by solution after 15 hours, and with distilling
Water is carried out, and wash products is placed in the drying baker under the conditions of 60 DEG C and dries, and after drying 10 hours, drying object relays
Enter in container, then pour the potassium hydroxide solution of 0.5mol/L into, and be stirred continuously and make it fully react, by solution mistake after 1 hour
Filter, and be carried out with distilled water, wash products is placed in the drying baker under the conditions of 60 DEG C and dries, after drying 10 hours,
Drying product to be reentered in container, then pour the citric acid solution of 1mol/L into, solution was filtered after 2 hours by stirring reaction, and
It is carried out to solution being neutral with distilled water, is finally placed in the drying baker under the conditions of 60 DEG C and dries, dry 10 hours
After product.
Claims (7)
1. an adsorbent, it is characterised in that the preparation method of this adsorbent comprises the steps:
(1) Aleuritopteris argentea (Gmel.) Fee clean water is removed earth, then cleans with distilled water and put into and baking oven is carried out dry to constant weight；
(2) dried object pulverizer is pulverized, sieve；
(3) with a container collection powder, then toward container is poured into the isopropanol of certain solubility, and it is stirred continuously and makes it fully react；
(4) being filtered by solution, and be carried out with distilled water, wash products is placed in drying baker and dries；
(5) dry product to be reentered in container, then pour the potassium hydroxide solution of certain solubility into, and be stirred continuously and make it abundant
Reaction；
(6) being filtered by solution, and be carried out with distilled water, wash products is placed in drying baker and dries；
(7) dry product to be reentered in container, then pour the citric acid solution of certain solubility into, and be stirred continuously and make it the most anti-
Should；It is neutral that the most last distilled water is washed till solution, and filters, after drying product.
A kind of adsorbent the most according to claim 1, it is characterised in that step (1) in, dry temperature and be 50-70 DEG C.
A kind of adsorbent the most according to claim 1, it is characterised in that step (2) in, the mesh number of sieve is 100-200 mesh.
A kind of adsorbent the most according to claim 1, it is characterised in that step (3) in, the solubility of isopropanol is 15-20%,
Response time is 12-15 hour.
A kind of adsorbent the most according to claim 1, it is characterised in that step (4), (6), (8) in, drying temperature conditions is
At 50-60 DEG C, drying time is 10-20 hour.
A kind of adsorbent the most according to claim 1, it is characterised in that step (5) in, the solubility of potassium hydroxide solution is
0.1-0.5mol/L, the response time is 1-2 hour.
A kind of adsorbent the most according to claim 1, it is characterised in that step (7) in, the solubility of citric acid is 0.5-
1mol/L, the response time is 2-4 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763615.9A CN106179257A (en) | 2016-08-31 | 2016-08-31 | A kind of fern modified adsorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763615.9A CN106179257A (en) | 2016-08-31 | 2016-08-31 | A kind of fern modified adsorbent |
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| Publication Number | Publication Date |
|---|---|
| CN106179257A true CN106179257A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610763615.9A Pending CN106179257A (en) | 2016-08-31 | 2016-08-31 | A kind of fern modified adsorbent |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536715A (en) * | 2015-12-20 | 2016-05-04 | 吴涛 | Method for preparation of adsorption material by using maple leaf |
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2016
- 2016-08-31 CN CN201610763615.9A patent/CN106179257A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536715A (en) * | 2015-12-20 | 2016-05-04 | 吴涛 | Method for preparation of adsorption material by using maple leaf |
Non-Patent Citations (1)
| Title |
|---|
| 王艳: "《蕨类植物》", 31 August 2014, 吉林出版集团 * |
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