CN104941593A - Mesoporous kudzuvine root residue adsorption material and preparation method thereof - Google Patents
Mesoporous kudzuvine root residue adsorption material and preparation method thereof Download PDFInfo
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- CN104941593A CN104941593A CN201510319087.3A CN201510319087A CN104941593A CN 104941593 A CN104941593 A CN 104941593A CN 201510319087 A CN201510319087 A CN 201510319087A CN 104941593 A CN104941593 A CN 104941593A
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Abstract
The invention discloses a mesoporous kudzuvine root residue adsorption material and a preparation method thereof. The preparation method comprises the following steps: using kudzuvine root residue as a main raw material, adopting a microbe growth manner, on the basis of an original microbe modified kudzuvine root residue adsorption material, adding a urea-containing anhydrous ethanol solution into the kudzuvine root residue to be soaked, introducing nickel nitrate and aluminium nitrate to be mixed into the kudzuvine root residue, enabling the inside of the whole kudzuvine root residue to be in an inflated structure through anaerobic fermentation, using the kudzuvine root residue as a substrate, nickel and aluminium as frameworks and mildew sprouts as growing points, forming mesopores after sterilization, and finally repeatedly baking and frying on a furnace, quickly cooling and conducting freeze drying. The mesoporous kudzuvine root residue adsorption material and the preparation method thereof have the benefits that through introduction of nickel nitrate and aluminium nitrate, the mesopores are formed through anaerobic fermentation and sterilization, and not only can the surface property of material be changed, but also the inside structure of the material can be changed, so that the material is relatively thorough in adsorption and relatively high in utilization ratio, the adsorption material waste is greatly reduced, integral improvement of the adsorption property is realized, and the removal rate reaches up to 99% or higher.
Description
Technical field
The present invention relates to a kind of sorbing material and preparation method thereof, particularly relate to a kind of mesoporous puerariae radix residue absorbent material and preparation method thereof.
Background technology
The root of kudzu vine is traditional Chinese medicine, is again superior health food, has relieving muscles to expel heat, promoting eruption, promote the production of body fluid to quench thirst, and rises the merit of positive antidiarrheal, and in China, people eat the long history having 3,000 years with the medicinal root of kudzu vine at least.
Nowadays, along with the development of the enterprises such as chemical industry, the mankind and its relation also all the more close, the products such as chemical industry spread to the every aspect of life, but a large amount of sewage discharges causes the healthy of the mankind and ecological environment and encroaches on significantly, for this reason, people have found out the method that sewage is administered in a variety of sorbing material modification, general employing be chemical method, physical method etc., the most effective method of modifying is the performance being changed sorbing material by the mode of growth of microorganism at present, such as, publication number is CN102631895A, name is called " puerariae radix residue absorbent material and preparation method thereof ", adopt the mode of conk that the performance of the surface of solids is strengthened, but the internal structure of material cannot be changed, sorbing material is caused to waste, utilization rate is not high, thus make absorption property can not get overall raising, therefore can work out a kind of surface property that not only can change material on this basis, the microorganism modified absorbing material of material internal structure can also be changed, most important to current field of sewage treatment.
Summary of the invention
Technical problem to be solved by this invention: the mode for growth of microorganism can only change the surface property of material, improve adsorption effect, but material internal structure cannot be changed, cause that sorbing material is wasted, utilization rate is not high, absorption property can not the overall drawback improved, provide a kind of mesoporous puerariae radix residue absorbent material and preparation method thereof, be mixed in pueraria root residue by introducing nickel nitrate and aluminum nitrate, make whole pueraria root residue inside in expansion structure through anaerobic fermentation, formed mesoporous after sterilizing, change the internal structure of material.
For solving the problems of the technologies described above, the present invention adopts technical scheme as described below to be: described mesoporous puerariae radix residue absorbent material is that primary raw material is prepared from by pueraria root residue, nickel nitrate, aluminum nitrate and urea.
A kind of mesoporous puerariae radix residue absorbent material and preparation method thereof, its preparation process is:
(1) get and extract the pueraria root residue 80 ~ 130g after Puerarin, ethanol solution 450 ~ 750ml that to add containing mass fraction be 5 ~ 15% urea soaks;
(2) in said mixture, 4 ~ 7g nickel nitrate is added, 5 ~ 9g aluminum nitrate, stirred at ambient temperature 1.5 ~ 2.0h;
(3) filter, filter residue dries under gravity-flow ventilation condition;
(4) the pueraria root residue mixture after drying is covered with cow dung, and keep temperature 50 C ~ 60 DEG C, anaerobic fermentation 8 ~ 12 days;
(5) the pueraria root residue after anaerobic fermentation be placed on darkness, humidity, ventilation place mouldy;
(6) in mouldy period, drenching with absolute ethyl alcohol every half an hour, when mould bud grows 0.6 ~ 1.1 μm, is 1.2 ~ 2.1%H with mass fraction
20
2solution sterilization;
(7) after sterilizing, stove roasts repeatedly, then cooling, freeze drying rapidly, can obtain mesoporous puerariae radix residue absorbent material.
Application process of the present invention:
The mesoporous puerariae radix residue absorbent material prepared to be put into respectively volume be 600ml concentration is the waste water that 700 ~ 1200mg/L contains chloroform, toluene, chlorine residue, and when pH value is 6.0 ~ 7.0, adsorb 3 hours, clearance reaches more than 99%.
Principle of the present invention: on the sorbing material basis of original microorganism modification pueraria root residue, add nickel nitrate, aluminum nitrate and urea in the mixed system of absolute ethyl alcohol, be mixed in pueraria root residue through introducing nickel nitrate and aluminum nitrate, by the whole pueraria root residue inside of anaerobic fermentation in expansion structure, take pueraria root residue as matrix, nickel, aluminium are skeleton, and mould bud is growing point, are formed mesoporous after sterilizing.
The present invention is compared with additive method, and Advantageous Effects is:
(1) be mixed in pueraria root residue by introducing nickel nitrate and aluminum nitrate, make whole pueraria root residue inside in expansion structure through anaerobic fermentation, formed mesoporous after sterilizing, make it adsorb more thorough;
(2) waste not only can change the surface property of material, can also change the internal structure of material, utilization rate is high, greatly reducing sorbing material, absorption property also achieves overall raising.
Embodiment
This sorbing material is that primary raw material is prepared from by pueraria root residue, nickel nitrate, aluminum nitrate and urea.
First get and extract the pueraria root residue 80 ~ 130g after Puerarin, ethanol solution 450 ~ 750ml that to add containing mass fraction be 5 ~ 15% urea soaks; Then in said mixture, 4 ~ 7g nickel nitrate is added, 5 ~ 9g aluminum nitrate, stirred at ambient temperature 1.5 ~ 2.0h; Filter, filter residue dries under gravity-flow ventilation condition; Then the pueraria root residue mixture after drying is covered with cow dung, and keep temperature 50 C ~ 60 DEG C, anaerobic fermentation 8 ~ 12 days; Again the pueraria root residue after anaerobic fermentation be placed on darkness, humidity, ventilation place mouldy; In mouldy period, drenching with absolute ethyl alcohol every half an hour, when mould bud grows 0.6 ~ 1.1 μm, is 1.2 ~ 2.1%H with mass fraction
20
2solution sterilization; After sterilizing, stove roasts repeatedly, then cooling, freeze drying rapidly, can obtain mesoporous puerariae radix residue absorbent material.
Example 1
First get and extract the pueraria root residue 80g after Puerarin, the ethanol solution 450ml that to add containing mass fraction be 5% urea soaks; ; Then in said mixture, 4g nickel nitrate is added, 5g aluminum nitrate, stirred at ambient temperature 1.5h; Filter, filter residue dries under gravity-flow ventilation condition; Then the pueraria root residue mixture after drying is covered with cow dung, and keep temperature 50 C, anaerobic fermentation 8 days; Again the pueraria root residue after anaerobic fermentation be placed on darkness, humidity, ventilation place mouldy; In mouldy period, drenching with absolute ethyl alcohol every half an hour, when mould bud grows 0.6 μm, is 1.2%H with mass fraction
20
2solution sterilization; After sterilizing, stove roasts repeatedly, then cooling, freeze drying rapidly, can obtain mesoporous puerariae radix residue absorbent material; The mesoporous puerariae radix residue absorbent material prepared to be put into volume be 600ml concentration is the waste water that 700mg/L contains chloroform, and when pH value is 6.0, adsorb 3 hours, clearance is up to 99.5%.
Example 2
First get and extract the pueraria root residue 110g after Puerarin, the ethanol solution 600ml that to add containing mass fraction be 10% urea soaks; ; Then in said mixture, 6g nickel nitrate is added, 7g aluminum nitrate, stirred at ambient temperature 1.8h; Filter, filter residue dries under gravity-flow ventilation condition; Then the pueraria root residue mixture after drying is covered with cow dung, and keep temperature 55 DEG C, anaerobic fermentation 10 days; Again the pueraria root residue after anaerobic fermentation be placed on darkness, humidity, ventilation place mouldy; In mouldy period, drenching with absolute ethyl alcohol every half an hour, when mould bud grows 0.9 μm, is 1.6%H with mass fraction
20
2solution sterilization; After sterilizing, stove roasts repeatedly, then cooling, freeze drying rapidly, can obtain mesoporous puerariae radix residue absorbent material; The mesoporous puerariae radix residue absorbent material prepared to be put into volume be 600ml concentration is the waste water that 1000mg/L contains toluene, and when pH value is 6.5, adsorb 3 hours, clearance is up to 99.8%.
Example 3
First get and extract the pueraria root residue 130g after Puerarin, the ethanol solution 750ml that to add containing mass fraction be 15% urea soaks; ; Then in said mixture, 7g nickel nitrate is added, 9g aluminum nitrate, stirred at ambient temperature 2.0h; Filter, filter residue dries under gravity-flow ventilation condition; Then the pueraria root residue mixture after drying is covered with cow dung, and keep temperature 60 C, anaerobic fermentation 12 days; Again the pueraria root residue after anaerobic fermentation be placed on darkness, humidity, ventilation place mouldy; In mouldy period, drenching with absolute ethyl alcohol every half an hour, when mould bud grows 1.1 μm, is 2.1%H with mass fraction
20
2solution sterilization; After sterilizing, stove roasts repeatedly, then cooling, freeze drying rapidly, can obtain mesoporous puerariae radix residue absorbent material; The mesoporous puerariae radix residue absorbent material prepared to be put into volume be 600ml concentration is the waste water that 1200mg/L contains chlorine residue, and when pH value is 7.0, adsorb 3 hours, clearance is up to 99.9%.
Claims (2)
1. a mesoporous puerariae radix residue absorbent material, is characterized in that: this sorbing material is that primary raw material is prepared from by pueraria root residue, nickel nitrate, aluminum nitrate and urea.
2. mesoporous puerariae radix residue absorbent material and preparation method thereof, is characterized in that:
(1) get and extract the pueraria root residue 80 ~ 130g after Puerarin, ethanol solution 450 ~ 750ml that to add containing mass fraction be 5 ~ 15% urea soaks;
(2) in said mixture, 4 ~ 7g nickel nitrate is added, 5 ~ 9g aluminum nitrate, stirred at ambient temperature 1.5 ~ 2.0h;
(3) filter, filter residue dries under gravity-flow ventilation condition;
(4) the pueraria root residue mixture after drying is covered with cow dung, and keep temperature 50 C ~ 60 DEG C, anaerobic fermentation 8 ~ 12 days;
(5) the pueraria root residue after anaerobic fermentation be placed on darkness, humidity, ventilation place mouldy;
(6) in mouldy period, drenching with absolute ethyl alcohol every half an hour, when mould bud grows 0.6 ~ 1.1 μm, is 1.2 ~ 2.1%H with mass fraction
20
2solution sterilization;
(7) after sterilizing, stove roasts repeatedly, then cooling, freeze drying rapidly, can obtain mesoporous puerariae radix residue absorbent material.
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| CN201510319087.3A CN104941593A (en) | 2015-06-11 | 2015-06-11 | Mesoporous kudzuvine root residue adsorption material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417872A (en) * | 2015-12-12 | 2016-03-23 | 常州大学 | Method for treating waste grease wastewater |
| CN106179248A (en) * | 2016-08-09 | 2016-12-07 | 吴迪 | A kind of preparation method of mesoporous Herba Potamogetonis Pectinati heavy metal ion adsorbing material |
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| JP2003335792A (en) * | 2002-05-20 | 2003-11-28 | Tokiwa Zoen Kk | Humus precursor-ferrihydrite precursor complex, method for producing the same, method for treating livestock waste using humus precursor-ferrihydrite precursor complex and sewage disposal system |
| CN101574658A (en) * | 2009-06-10 | 2009-11-11 | 桂林理工大学 | Method for synthesizing nanometer nickeliferous ternary houghite compound catalyst |
| CN102631895A (en) * | 2012-05-05 | 2012-08-15 | 常州亚环环保科技有限公司 | Puerariae radix residue absorbent material and preparation method thereof |
| CN102921381A (en) * | 2012-10-09 | 2013-02-13 | 常州大学 | Composite adsorption material for removing antimony ions in natural water and preparation method of composite adsorption material |
| CN102921375A (en) * | 2012-10-09 | 2013-02-13 | 常州大学 | Composite adsorption material for removing sulfur ions in natural water and preparation method of composite adsorption material |
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- 2015-06-11 CN CN201510319087.3A patent/CN104941593A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003335792A (en) * | 2002-05-20 | 2003-11-28 | Tokiwa Zoen Kk | Humus precursor-ferrihydrite precursor complex, method for producing the same, method for treating livestock waste using humus precursor-ferrihydrite precursor complex and sewage disposal system |
| CN101574658A (en) * | 2009-06-10 | 2009-11-11 | 桂林理工大学 | Method for synthesizing nanometer nickeliferous ternary houghite compound catalyst |
| CN102631895A (en) * | 2012-05-05 | 2012-08-15 | 常州亚环环保科技有限公司 | Puerariae radix residue absorbent material and preparation method thereof |
| CN102921381A (en) * | 2012-10-09 | 2013-02-13 | 常州大学 | Composite adsorption material for removing antimony ions in natural water and preparation method of composite adsorption material |
| CN102921375A (en) * | 2012-10-09 | 2013-02-13 | 常州大学 | Composite adsorption material for removing sulfur ions in natural water and preparation method of composite adsorption material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417872A (en) * | 2015-12-12 | 2016-03-23 | 常州大学 | Method for treating waste grease wastewater |
| CN106179248A (en) * | 2016-08-09 | 2016-12-07 | 吴迪 | A kind of preparation method of mesoporous Herba Potamogetonis Pectinati heavy metal ion adsorbing material |
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