CN108176372A - The preparation method of modified mycelial biomass adsorbent and its adsorption method to anionic pollutant - Google Patents
The preparation method of modified mycelial biomass adsorbent and its adsorption method to anionic pollutant Download PDFInfo
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- CN108176372A CN108176372A CN201810008640.5A CN201810008640A CN108176372A CN 108176372 A CN108176372 A CN 108176372A CN 201810008640 A CN201810008640 A CN 201810008640A CN 108176372 A CN108176372 A CN 108176372A
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- hypha powder
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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
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
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- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The present invention discloses a kind of preparation method of modified mycelial biomass adsorbent.Include the following steps：(1) prepare hypha powder, including mycelium is cleaned successively, is heated it is lethal, be freeze-dried and be ground up, sieved processing；(2) hypha powder of acquisition and cetyl trimethylammonium bromide solution are mixed according to predetermined ratio, to be modified processing；(3) modified hypha powder is cleaned, and the hypha powder after cleaning is freeze-dried, ground 60 mesh screen, obtain modified adsorbent.In the present invention, cetyl trimethylammonium bromide solution a concentration of 0.5%~2%.Surfactant can strengthen function group, increase specific surface area and improve adsorption capacity.Preparation method of the present invention is simple, environmentally safe, while mycelium derives from a wealth of sources, and realizes the recycling of solid waste.
Description
Technical field
The invention belongs to water process adsorption technology field, the preparation method of more particularly to a kind of modified mycelial biomass adsorbent and
Its adsorption method to anionic pollutant.
Background technology
The processing method of dyeing waste water mainly has chemical method, Physical and bioanalysis, due to waste component complexity, dyestuff point
The design feature of son, has good stability, and traditional biodegradation is difficult effective processing dyeing waste water.Chemical method due to
Processing cost is high, complicated for operation and subsequent processing difficulty is big, it is difficult to large-scale application.Absorption method be in current water technology most
For a kind of common method, absorption method has many advantages, such as that easy to operate, treatment effeciency is high, and wherein adsorbent is absorption method processing dye
Expect the core of waste water.
Cr VI is respectively provided with toxic to people, animal and plant, and health can be generated and seriously affected.Sexavalence in waste water
The common processing method of chromium has electronation precipitation, ion exchange and bioanalysis etc., these traditional physico-chemical process processing
Cost is higher, reaction condition requirement is stringent, and the effect of bioanalysis removal Cr (VI) is poor.Absorption method have high treating effect,
The advantages that easy to operate, economical rationality, it is widely used in the processing of chromate waste water.
Adsorbent is the core of Handling Waste Water by Absorbing Way, and adsorbent can be divided into：Activated carbon, metal oxide, biomass are inhaled
Attached dose etc..Biological adsorption agent have derive from a wealth of sources, processing cost is low, removal efficiency is high and the secondary pollution of low-risk.Biomass
Adsorbent, particularly discarded mycelium are the byproducts of brewing, bio-pharmaceutical industry and farming industry, and present situation is most of
Mycelium is not carried out recycling as solid waste processing.There is research and utilization to discard mycelium as absorption at present
Agent, however the specific surface area of promycelium, functional group densities are low, adsorption effect is not ideal enough.Therefore, this patent provides a kind of
Simple and effective mycelium method of modifying, and for adsorpting anion pollutant.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of preparation method of mycelium modified adsorbent.
In order to achieve the above objectives, a kind of preparation method of mycelium modified adsorbent of the present invention, includes the following steps：(1)
Prepare hypha powder；
(2) hypha powder of acquisition and cetyl trimethylammonium bromide solution are mixed according to predetermined ratio, to be changed
Property processing；
(3) modified hypha powder is cleaned, and the hypha powder after cleaning is freeze-dried, is ground up, sieved,
Obtain modified adsorbent.
Further, the mycelium is filamentous fungi thalline, including saccharomycete or aspergillus.
Further, the preparation method of the hypha powder is：Mycelium is cleaned, the mycelium after cleaning is existed
Heat 30min under the conditions of 121 DEG C, freeze-drying process carried out to heating lethal mycelium, and to dried mycelium into
Row grinds and crosses 60 mesh screens, obtains hypha powder.
Further, after hypha powder and cetyl trimethylammonium bromide solution mix in the step (2), at 30 DEG C
At a temperature of, it is shaken or is stirred for 24 hours with 150r/min.
Further, which is characterized in that in the cetyl trimethylammonium bromide solution, cetyl trimethyl bromination
The quality of ammonium accounts for the 0.5%~2% of solution gross mass.
Further, which is characterized in that further included in the step (3), utilize AgNO3Solution is to the hypha powder after cleaning
Carry out Br- detections.
The preparation method of modified mycelial biomass adsorbent of the present invention, and preparation method is simple, environmentally safe, while mycelia
Body derives from a wealth of sources, and realizes the recycling of solid waste.
In order to achieve the above objectives, a kind of processing method of the waste water of pollutant containing anionic of the present invention, including according to above-mentioned
The preparation method of any one mycelium modified adsorbent prepares modified adsorbent, by the modified adsorbent being prepared by
It is added in waste water according to predetermined ratio.
Further, the pH for adjusting waste water is further included, the pH value of the waste water after adjusting is 2~5.
Further, it further includes and regeneration treatment is carried out to adsorbent, specific method is precipitated to be filtered to waste water
Object mixes the NaOH solution of 0.05mol/L with sediment, and 0.5~2h is shaken under conditions of 150r/min, is obtained by filtration again
Raw adsorbent carries out adsorption treatment again using reproducing adsorbent to waste water.
In the present invention, cetyl trimethylammonium bromide solution a concentration of 0.5%~2%.Surfactant can be strengthened
Functional group, increase specific surface area；Meanwhile preparation method of the present invention is simple, environmentally safe, while mycelium source is wide
It is general, realize the recycling of solid waste.
Description of the drawings
Fig. 1 is the process flow chart of the preparation method of adsorbent；
Fig. 2 is according to embodiments of the present invention 1 sweeping based on adsorbent made from the preparation method of abandoned mycelium adsorbent
Face electron microscope；
Fig. 3 is according to embodiments of the present invention 4, influence of the adsorbent reactivation number to reactive black 5 dye removal rate；
Fig. 4 is according to embodiments of the present invention 6, influence of the adsorbent reactivation number to Cr VI adsorption capacity.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings of the specification.
Embodiment 1
The present embodiment provides a kind of preparation method of mycelium modified adsorbent, specially：Expand in laboratory and cultivate
To aspergillus versicolor mycelium pellet, the impurity on surface is rinsed out with clear water, sieving is crushed after freeze-drying, 60 mesh screens is crossed, obtains bacterium
Silk powder, weighs 2g hypha powders, and the cetyl trimethylammonium bromide solution of hypha powder and 100mL 1.5% mixed,
It is shaken in 30 DEG C of 150r/min for 24 hours, filtering and is cleaned with a large amount of deionized water, until with AgNO3Solution can't detect Br—,
Freeze-drying and ground 60 mesh screen, obtain modified adsorbent after collection.Rear specific surface area is respectively hypha powder before modified
1.50、2.03m2/ g, hypha powder before modified after SEM figures see attached drawing 2.
Embodiment 2
The present embodiment provides a kind of preparation method of mycelium modified adsorbent, specially：The ferment being collected into from brewery
Female bacterium rinses out the impurity on surface with clear water, and sieving is crushed after freeze-drying, crosses 60 mesh screens, obtains hypha powder；It weighs
1g hypha powders shake for 24 hours, mistake in the cetyl trimethylammonium bromide solution of 150mL 1.0% in 30 DEG C of 150r/min
Filter obtains hypha powder, and the hypha powder being obtained by filtration is cleaned with deionized water, until with AgNO3Solution can't detect
Br-, freeze-drying process after collection, and ground 60 mesh screen, obtain modified adsorbent.
Embodiment 3
The present embodiment provides a kind of preparation method of mycelium modified adsorbent, specially：The aspergillus versicolor that will be collected into
Mycelium pellet rinses out the impurity on surface with clear water, and sieving is crushed after freeze-drying, crosses 60 mesh screens, obtains hypha powder, weigh 1g
Hypha powder mixes the cetyl trimethylammonium bromide solution of the hypha powder claimed and 100mL 1.5%, in 30 DEG C of temperature
Under, with the stirring of the rate of 150r/min for 24 hours, filtering, and being cleaned with a large amount of deionized water, until with AgNO3Solution detects not
To Br-, freeze-drying and ground 60 mesh screen, obtain modified adsorbent after collection.
Embodiment 4
The present embodiment provides a kind of adsorption method of anionic pollutant, specially：According to the modifies suction of above-mentioned mycelia
Attached dose of preparation method obtains modified adsorbent, and the modified adsorbent being prepared is added to according to predetermined ratio in waste water.
With reference to Fig. 3, specifically, the reactive black 5 dye waste water 100mL of 200mg/L is configured, it, will be real with salt acid for adjusting pH to 2
It applies adsorbent obtained in example 1 to be added in waste water, the dosage of adsorbent is 1.5g/L, stirs 5h, the removal rate of dyestuff reaches
To more than 95%.Supernatant is removed after precipitation 30min, the NaOH solution of 20mL0.01mol/L, stirring are added in into sediment
10min removes desorbed solution, the adsorbent after being parsed；Adsorption experiment is carried out again.Dyestuff removal rate after regenerating four times can
Reach more than 70%.
Embodiment 5
The present embodiment provides a kind of adsorption methods of anionic pollutant, first, the anion azo of 50mg/L are configured
Adsorbent obtained in embodiment 2 with salt acid for adjusting pH to 3, is added to waste water by dyestuff acid orange 7 (A07) waste water 100mL
In, the dosage of adsorbent is 1.5g in every liter of waste water, stirs 3h, and the removal rate of dyestuff reaches more than 90%.After precipitating 30min
Supernatant is removed, adds in the NaOH solution of 20mL0.01mol/L, 10min is stirred, removes desorbed solution, the absorption after being parsed
Agent；Adsorption experiment is carried out again.Dyestuff removal rate after regenerating four times can reach more than 75%.
Embodiment 6
With reference to Fig. 4, the present embodiment provides a kind of adsorption methods of anionic pollutant, first, are configured the six of 25mg/L
Valency chrome waste water 100mL with salt acid for adjusting pH to 2, adsorbent obtained in embodiment 3 is added in waste water, in every liter of waste water
The dosage of adsorbent is 1.5g, stirs 3h, and the removal rate of Cr VI reaches more than 70%.Supernatant is removed after precipitation 30min,
The NaOH solution of 20mL0.05mol/L is added in, 30min is stirred, removes desorbed solution, the adsorbent after being parsed；It carries out again
Adsorption experiment.Adsorption capacity after regeneration three times still reaches more than the 50% of initial adsorption capacity, sees attached drawing 4.
The present invention is modified discarded mycelia, realizes recycling, adsorbent is prepared using discarded mycelium, side
Method is simple, and has good suction-operated to anionic pollutant.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto is any to be familiar with sheet
In the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in should all be covered those skilled in the art
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection domain that claim is defined.
Claims (9)
1. a kind of preparation method of modified mycelial biomass adsorbent, which is characterized in that include the following steps：
(1) hypha powder is prepared；
(2) hypha powder of acquisition and cetyl trimethylammonium bromide solution are mixed according to predetermined ratio, to be modified place
Reason；
(3) modified hypha powder is cleaned, and the hypha powder after cleaning is freeze-dried, is ground up, sieved, obtained
Modified adsorbent.
2. the preparation method of modified mycelial biomass adsorbent according to claim 1, which is characterized in that the mycelium is silk
Shape mycothallus, including saccharomycete or aspergillus.
3. the preparation method of modified mycelial biomass adsorbent according to claim 1, which is characterized in that the system of the hypha powder
Preparation Method is：Mycelium is cleaned, the mycelium after cleaning is heated into 30min under the conditions of 121 DEG C, it is lethal to heating
Mycelium carries out freeze-drying process, and dried mycelium is ground and crosses 60 mesh screens, obtains hypha powder.
4. the preparation method of modified mycelial biomass adsorbent according to claim 1, which is characterized in that in the step (2)
After hypha powder and cetyl trimethylammonium bromide solution mixing, at a temperature of 30 DEG C, it is shaken with 150r/min
Or stirring is for 24 hours.
5. the preparation method of modified mycelial biomass adsorbent according to claim 1, which is characterized in that the cetyl three
In base ammonium bromide solution, the quality of cetyl trimethylammonium bromide accounts for the 0.5%~2% of solution gross mass.
6. the preparation method of modified mycelial biomass adsorbent according to claim 1, which is characterized in that in the step (3)
It further includes, utilizes AgNO3Solution carries out Br to the hypha powder after cleaning—Detection.
7. a kind of adsorption method of anionic pollutant, which is characterized in that including according to described in claim 1-5 any one
The preparation method of mycelium modified adsorbent prepares modified adsorbent, by the modified adsorbent being prepared according to predetermined ratio
Example is added in waste water.
8. the adsorption method of anionic pollutant according to claim 7, which is characterized in that further include and adjust waste water
PH, the pH value of the waste water after adjusting is 2~5.
9. the adsorption method of anionic pollutant according to claim 7, which is characterized in that further include to adsorbent into
Row regeneration treatment, specific method mix the NaOH solution of 0.05mol/L with sediment to be filtered acquisition sediment to waste water
Close, under conditions of 150r/min shake 0.5~2h, regenerated adsorbent is obtained by filtration, using reproducing adsorbent to waste water into
Capable adsorption treatment again.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622014A (en) * | 2018-12-12 | 2019-04-16 | 安徽大学 | A kind of preparation method of the catalyst of electro-catalysis oxygen generation hydrogen peroxide |
| CN112225326A (en) * | 2020-09-30 | 2021-01-15 | 中国科学院天津工业生物技术研究所 | Application of mycelium material in oil absorption |
| 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 |
| CN116081825A (en) * | 2022-12-06 | 2023-05-09 | 华中农业大学 | Method for effectively removing microplastic in wastewater by using surface modified fungus hypha |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401590A (en) * | 2002-09-26 | 2003-03-12 | 北京化工大学 | Mycelium surface coated biologic adsorbent and preparing process thereof |
| JP2003112163A (en) * | 2001-10-05 | 2003-04-15 | Toho Leo Co | Polluted soil cleaning method |
| CN1508078A (en) * | 2002-12-18 | 2004-06-30 | 北京化工大学 | Method for preparing modified hyphostroma water treatment chemical |
| CN1613534A (en) * | 2003-11-03 | 2005-05-11 | 浙江工业大学 | Processing method for antibiotics bacterial slag containing zinc |
| CN101574642A (en) * | 2009-06-09 | 2009-11-11 | 厦门大学 | Preparation method of biological sorbent used for treating phthalocyanines dye waste water |
| CN104176835A (en) * | 2014-09-01 | 2014-12-03 | 南华大学 | Method for repairing uranium (VI) polluted water body by using fungi treated by nonionic surfactant |
| CN106552593A (en) * | 2016-11-30 | 2017-04-05 | 中冶华天工程技术有限公司 | Mycelium pellet biological adsorption and renovation process |
-
2018
- 2018-01-04 CN CN201810008640.5A patent/CN108176372A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003112163A (en) * | 2001-10-05 | 2003-04-15 | Toho Leo Co | Polluted soil cleaning method |
| CN1401590A (en) * | 2002-09-26 | 2003-03-12 | 北京化工大学 | Mycelium surface coated biologic adsorbent and preparing process thereof |
| CN1508078A (en) * | 2002-12-18 | 2004-06-30 | 北京化工大学 | Method for preparing modified hyphostroma water treatment chemical |
| CN1613534A (en) * | 2003-11-03 | 2005-05-11 | 浙江工业大学 | Processing method for antibiotics bacterial slag containing zinc |
| CN101574642A (en) * | 2009-06-09 | 2009-11-11 | 厦门大学 | Preparation method of biological sorbent used for treating phthalocyanines dye waste water |
| CN104176835A (en) * | 2014-09-01 | 2014-12-03 | 南华大学 | Method for repairing uranium (VI) polluted water body by using fungi treated by nonionic surfactant |
| CN106552593A (en) * | 2016-11-30 | 2017-04-05 | 中冶华天工程技术有限公司 | Mycelium pellet biological adsorption and renovation process |
Non-Patent Citations (1)
| Title |
|---|
| 陈坚: "《环境生物技术应用与发展》", 30 June 2001, 中国轻工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622014A (en) * | 2018-12-12 | 2019-04-16 | 安徽大学 | A kind of preparation method of the catalyst of electro-catalysis oxygen generation hydrogen peroxide |
| CN112225326A (en) * | 2020-09-30 | 2021-01-15 | 中国科学院天津工业生物技术研究所 | Application of mycelium material in oil absorption |
| 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 |
| CN116081825A (en) * | 2022-12-06 | 2023-05-09 | 华中农业大学 | Method for effectively removing microplastic in wastewater by using surface modified fungus hypha |
| CN116081825B (en) * | 2022-12-06 | 2023-11-10 | 华中农业大学 | Method for effectively removing microplastic in wastewater by using surface modified fungus hypha |
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Application publication date: 20180619 |