CN106179253A - A kind of Herba Pteridis Multifidae modified adsorbent and preparation technology thereof - Google Patents
A kind of Herba Pteridis Multifidae modified adsorbent and preparation technology thereof Download PDFInfo
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- CN106179253A CN106179253A CN201610760613.4A CN201610760613A CN106179253A CN 106179253 A CN106179253 A CN 106179253A CN 201610760613 A CN201610760613 A CN 201610760613A CN 106179253 A CN106179253 A CN 106179253A
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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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Abstract
The invention discloses a kind of Herba Pteridis Multifidae modified adsorbent and preparation technology thereof.This adsorbent is the adsorbent prepared for raw material through modification with Herba Pteridis Multifidae, the technical scheme used is as follows: cleaned by Herba Pteridis Multifidae, dry, pulverize, again powder pulverized powder is fully reacted with isopropanol, by product through filtration, cleaning, drying process, again by the potassium hydroxide solution hybrid reaction of dried object Yu certain solubility, product is filtered, clean, be dried, again by the citric acid solution hybrid reaction of certain solubility, clean with distilled water, when the pH-value of solution system is neutral, refilters, dry to obtain product.The preparation abundant raw material source of this adsorbent, non-secondary pollution, there is preferable application prospect.
Description
Technical field
The present invention relates to a kind of adsorbent, particularly to one using plant leaf blade as raw material, a kind of suction of modified preparation
Attached dose and method, belong to adsorbing material field.
Background technology
Along with developing rapidly of process of industrialization, many waste water of industrial discharge such as plating, ore dressing and process hides, waste gas and useless
Slag often results in the heavy metal pollution of water environment, heavy metal can not biodegradation, and live body in be enriched with, cause various disease
Disorderly with body, 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.
Prepare, for cellulose origin, a kind of Land use systems that adsorbent is abandoned biomass resource with Herba Pteridis Multifidae, and can realize
Utilize the problem that a kind of abandoned biomass resource is curbed environmental pollution.The present invention is using Herba Pteridis Multifidae as raw material, in isopropyl
Under the effect of alcohol, NaOH solution and citric acid solution, modification is prepared as a kind of biomass adsorbent.
Summary of the invention
The present invention is to provide a kind of Herba Pteridis Multifidae modified adsorbent and preparation technology thereof.This preparation technology passes through techniques below road
Line realizes:
(1) Herba Pteridis Multifidae is removed earth by clean water, then clean with distilled water and put into and baking oven is carried out dry to constant weight；
(2) the leaves pulverizer dried 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；
The most environmentally friendly, not secondary pollution.
Detailed description of the invention
Embodiment one:
Take Herba Pteridis Multifidae clean water and remove earth, then clean with distilled water, be then placed in the baking oven under the conditions of 50 DEG C carrying out
Dry to constant weight, then the leaves pulverizer dried 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:
Take Herba Pteridis Multifidae clean water and remove earth, then clean with distilled water, be then placed in the baking oven under the conditions of 60 DEG C carrying out
Dry to constant weight, then the leaves pulverizer dried 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:
Take Herba Pteridis Multifidae clean water and remove earth, then clean with distilled water, be then placed in the baking oven under the conditions of 70 DEG C carrying out
Dry to constant weight, then the leaves pulverizer dried 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) Herba Pteridis Multifidae is removed earth by clean water, then clean with distilled water and put into and baking oven is carried out dry to constant weight；
(2) the leaves pulverizer dried 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 |
|---|---|---|---|
| CN201610760613.4A CN106179253A (en) | 2016-08-30 | 2016-08-30 | A kind of Herba Pteridis Multifidae modified adsorbent and preparation technology thereof |
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| CN201610760613.4A CN106179253A (en) | 2016-08-30 | 2016-08-30 | A kind of Herba Pteridis Multifidae modified adsorbent and preparation technology thereof |
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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
- 2016-08-30 CN CN201610760613.4A patent/CN106179253A/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 |
|---|
| 朱国才等: "《生物质还原氧化锰矿工艺与技术》", 30 April 2014, 冶金工业出版社 * |
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