CN105289524A - Shaddock peel heavy metal adsorbent and preparation method and application thereof - Google Patents
Shaddock peel heavy metal adsorbent and preparation method and application thereof Download PDFInfo
- Publication number
- CN105289524A CN105289524A CN201510755331.0A CN201510755331A CN105289524A CN 105289524 A CN105289524 A CN 105289524A CN 201510755331 A CN201510755331 A CN 201510755331A CN 105289524 A CN105289524 A CN 105289524A
- Authority
- CN
- China
- Prior art keywords
- heavy metal
- pomelo peel
- adsorbent
- metal absorbent
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses shaddock peel heavy metal adsorbent and a preparation method and application thereof. The shaddock peel heavy metal adsorbent is obtained by being soaked by a mixed solution of a sodium hydroxide aqueous solution and ethyl alcohol and oxidized and modified by hydrogen peroxide. The method includes the steps that shaddock peel powder is soaked in the mixed solution of the sodium hydroxide aqueous solution and the ethyl alcohol, and pretreated shaddock peel adsorbent is obtained by washing; the pretreated shaddock peel adsorbent is placed in the hydrogen peroxide of 2-10 v% to be stirred, oxidation treatment is conducted for 4-12 hours at the temperature of 25-60 DEG C, and the ratio of the mass of the pretreated shaddock peel adsorbent to the volume of the hydrogen peroxide is 1:10-60; the oxidized shaddock peel adsorbent is filtered, washed and dried, and accordingly the dried shaddock peel heavy metal adsorbent is obtained. The shaddock peel heavy metal adsorbent can be used for treatment and remediation of soil polluted by various sorts of heavy metal, and the remediation effect is good; moreover, the source of the raw materials is wide, the preparation process is simple, cost is low and environmental friendliness is achieved.
Description
Technical field
The present invention relates to heavy metal-polluted soil process field, especially, relate to a kind of pomelo peel heavy metal absorbent.In addition, the invention still further relates to the preparation method and application of above-mentioned pomelo peel heavy metal absorbent.
Background technology
Heavy metal pollution of soil has the characteristics such as disguise, chronicity and irreversibility, enters in body, cause serious harm to human health and life by food chain soil-plant-(animal)-mankind.Therefore, heavy metal pollution of soil administers the focus becoming people instantly and pay close attention to.
Heavy metal pollution of soil recovery technique mainly contains the methods such as soil moved in improve the original method, chemical fixation, elution method, phytoremediation, microorganism remediation.Soil moved in improve the original ruling by law reason heavy-metal contaminated soil successful and thoroughly, but the method is because quantities is large, costly, is only suitable for the situation that small size, soil pollution are serious.The fixing advantage of repairing of chemistry is with low cost, little to soil texture destruction, do not need special main equipment, cycle is shorter, successful, but use the method heavy metal-polluted soil total amount not reduce, heavy metal has the possibility of release with external environment change, owing to there being adding of allogenic material, may there is secondary pollution.Elution method can only remove in soil the heavy metal that can be leached agent and dissolve, and the effect on clayey soil is poor, may become bad in the fertility character of the soil under action earth of eluent.Phytoremediation cost is low, process is simple, environmental friendliness, and metallic element recoverable, is suitable for shallow-layer contaminated soil, but this method length consuming time, and general over-accumulated plant biomass is little and the process of plant residue is also cumbersome simultaneously.Microorganism remediation cost is low, be applicable to large-scale culture, to soil without destruction, but heavy metal need be screened there is more resistance microorganism, be subject to the impact of environmental condition, and there is biosafety issues.
A kind of new method that biosorption process gets up as development in recent years, has inexpensive, energy-conservation and is easy to the feature of separation and recovery heavy metal, having larger application potential.Some agriculture and forestry organic waste materials have comparatively high-voidage, comparatively bigger serface, be rich in hydroxyl, the cellulose of carboxyl, hemicellulose, tannin, flavonols, the polyhydroxy aldehydes matter such as pectic substance and lignin, can with metal ion generation physical absorption or chemical bonding, there is the potential of larger adsorbing and removing water body metal ion.But these agriculture and forestry organic waste materials also exist active component content compared with low, adsorption capacity is poor, exchange capacity is little, the selective problem such as low.This is because the hydroxyl on the linear macromolecule of this straight chain extensively defines hydrogen bond with strand inside between strand, have impact on its reactivity.Therefore to they modifications, active function groups must be introduced, to improve exchange capacity.
Summary of the invention
The invention provides a kind of pomelo peel heavy metal absorbent, to solve the technical problem of heavy metal pollution of soil.
The technical solution used in the present invention is as follows:
One aspect of the present invention provides a kind of pomelo peel heavy metal absorbent, and pomelo peel heavy metal absorbent soaks through sodium hydrate aqueous solution and alcohol mixed solution, hydrogen peroxide oxidation modification obtains.
The present invention provides the preparation method of above-mentioned pomelo peel heavy metal absorbent on the other hand, comprises the following steps:
Be immersed in by pomelo peel powder in the mixed solution of sodium hydrate aqueous solution and ethanol, washing obtains pretreatment shaddock peel adsorbent;
Pretreatment shaddock peel adsorbent is placed in the hydrogen peroxide of 2 ~ 10%, stirs, at 25 ~ 60 DEG C, oxidation processes 4 ~ 12 hours, the ratio of pretreatment shaddock peel adsorbent quality and hydrogen peroxide volume is 1:10 ~ 60;
Shaddock peel adsorbent after oxidation processes filtered, washing, drying obtains pomelo peel heavy metal absorbent.
Further, the volume ratio of sodium hydrate aqueous solution and ethanol is 1 ~ 5:1, and the ratio of pomelo peel powder quality and mixed liquor volume is 1:5 ~ 20, and ethanol is absolute ethyl alcohol, and concentration is 99.7%.
Further, the volume ratio of sodium hydrate aqueous solution and ethanol is 7:3, and the ratio of pomelo peel powder quality and mixed liquor volume is 1:10.
Further, after pomelo peel powder soaks, filter, be washed to pH value 6 ~ 7.
Further, the volume solubility of hydrogen peroxide is 10%, and the ratio of pretreatment shaddock peel adsorbent quality and hydrogen peroxide volume is 1:25, and the time of oxidation processes is 12 hours.
Further, the preparation method of pomelo peel powder is:
Dry, pulverize after pomelo peel is cleaned, cross 100 mesh sieves, obtain pomelo peel powder.
The present invention provides the application of above-mentioned pomelo peel heavy metal absorbent on the other hand, pomelo peel heavy metal absorbent is loaded cloth bag and makes absorbent packet, comprise 100 ~ 500g pomelo peel heavy metal absorbent in absorbent packet, absorbent packet to be placed in pending soil 15 ~ 180 days with the consumption of 10 ~ 20/every mu.
Further, the moisture content of pending soil is not less than 20%, and pH value is 5 ~ 9.
The present invention has following beneficial effect: above-mentioned pomelo peel heavy metal absorbent, and can be used for various heavy contaminated soil and administer reparation, repairing effect is good, and raw material sources are extensive, preparation process is simple, cheap, environmental friendliness.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the infrared spectrogram of pomelo peel;
Fig. 2 is the infrared spectrogram of the pomelo peel heavy metal absorbent of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
With reference to Fig. 1, the preferred embodiments of the present invention provide one aspect of the present invention and provide a kind of pomelo peel heavy metal absorbent, and described pomelo peel heavy metal absorbent soaks through sodium hydrate aqueous solution and alcohol mixed solution, hydrogen peroxide oxidation modification obtains.
When heavy metal absorbent of the present invention is for administering the soil environment of cadmium pollution, Be very effective.Heavy metal absorbent of the present invention may be used for various heavy contaminated soil in-situ immobilization, and the feature for agricultural land soil and different contaminated site suits measures to local conditions to adjust, and can overcome the deficiency of various technology in the past, facilitates easy to operate and efficiency is high.And secondary pollution can not be caused to surrounding environment, surface water, underground water etc., ensure ecological safety and health.Have that raw material sources are extensive, preparation process is simple, cheap, environmental friendliness in addition, can repeated multiple timesly use, recoverable after reaching capacity, realize the advantage that changing waste into resources cycle utilizes.
Above-mentioned pomelo peel heavy metal absorbent, can be used for various heavy contaminated soil and administer reparation, repairing effect is good, and raw material sources are extensive, preparation process is simple, cheap, environmental friendliness.
The present invention provides the preparation method of above-mentioned pomelo peel heavy metal absorbent on the other hand, comprises the following steps:
Be immersed in by pomelo peel powder in the mixed solution of sodium hydrate aqueous solution and ethanol, washing obtains pretreatment shaddock peel adsorbent;
Pretreatment shaddock peel adsorbent is placed in the hydrogen peroxide of 2 ~ 10%, stirs, at 25 ~ 60 DEG C, oxidation processes 4 ~ 12 hours, described pretreatment shaddock peel adsorbent quality is 1:10 ~ 60 with the ratio of described hydrogen peroxide volume;
Shaddock peel adsorbent after oxidation processes filtered, washing, drying obtains pomelo peel heavy metal absorbent.
Pomelo peel powder is obtained by pomelo peel, and pomelo peel can select the pomelo peel of multiple kind, thus wide material sources.The self-control of pomelo peel powder also can be bought.
Pomelo peel powder is immersed in the mixed solvent be made up of sodium hydrate aqueous solution and ethanol, soaks, filter, preferably obtain pretreatment shaddock peel adsorbent with distillation washing.Then pretreatment shaddock peel adsorbent stirs in hydrogen peroxide carries out oxidation modification process.
According to the design feature that pomelo peel mainly forms, adopt ethanol can remove essential oil in pomelo peel, pigment, Small molecular polar substances, NaOH can make the carboxyl saponification of esterification on pectin molecule in pomelo peel, to improve the number of carboxyl functional group.Carboxylic hydroxyl simultaneously in the NaOH cellulose that can partly comprise with pomelo peel and lignin molecule or phenolic hydroxyl group reacts, generate sodium alkoxide, are conducive to the performance of raising pomelo peel bind metal ion.
Adopt hydrogen peroxide to carry out oxidation modification, the adsorption site on pomelo peel surface can be activated, improve the adsorption capacity of pomelo peel heavy metal.Oxidation temperature selects 25 ~ 60 DEG C, if temperature is lower than 25 DEG C, reaction rate is too slow, and oxidation effectiveness is bad, and temperature is too high, and the structure of pomelo peel can be destroyed, and absorption property can be affected.
Pretreatment shaddock peel adsorbent quality and hydrogen peroxide volume ratio 1:10 ~ 60: the volume of hydrogen peroxide should make pomelo peel fully contact with hydrogen peroxide, make oxidation reaction more abundant, but adding hydrogen peroxide too much can cause hydrogen peroxide to waste, so pretreatment shaddock peel adsorbent quality and hydrogen peroxide volume ratio get 1:10 ~ 60.
Above-mentioned pomelo peel heavy metal absorbent, can be used for various heavy contaminated soil and administer reparation, repairing effect is good, and raw material sources are extensive, preparation process is simple, cheap, environmental friendliness.
Further, the volume ratio of sodium hydrate aqueous solution and ethanol is 1 ~ 5:1, and the ratio of pomelo peel powder quality and mixed liquor volume is 1:5 ~ 20, and ethanol is absolute ethyl alcohol, and concentration is 99.7%.
The ratio of pomelo peel powder quality and mixed liquor volume is 1:5 ~ 20, can ensure that the complete mixed solution submergence of pomelo peel powder reacts fully and carry out.
Further, the volume ratio of sodium hydrate aqueous solution and ethanol is 7:3, and the ratio of pomelo peel powder quality and mixed liquor volume is 1:10.
Further, after pomelo peel powder soaks, filter, be washed to pH value 6 ~ 7.The object washed with water removes impurity interference, and the ion being washed to pH value 6 ~ 7 presentation surface is washed off substantially.
Further, the volume solubility of hydrogen peroxide is 10%, and the ratio of pretreatment shaddock peel adsorbent quality and hydrogen peroxide volume is 1:25, and the time of oxidation processes is 12 hours.Under this condition, the consumption of hydrogen peroxide is most suitable, and oxidation treatment time is suitable, can save the consumption of hydrogen peroxide, improves oxidation treatment time.
Further, the preparation method of pomelo peel powder is:
Dry, pulverize after pomelo peel is cleaned, cross 100 mesh sieves, obtain pomelo peel powder.The pomelo peel powder surface area of this granule size is large, obtained pomelo peel heavy metal absorbent better effects if.
The present invention provides the application of above-mentioned pomelo peel heavy metal absorbent on the other hand, pomelo peel heavy metal absorbent is loaded cloth bag and makes absorbent packet, comprise 100 ~ 500g pomelo peel heavy metal absorbent in absorbent packet, absorbent packet to be placed in pending soil 15 ~ 180 days with the consumption of 10 ~ 20/every mu.
The non-woven bag that modification pomelo peel biological adsorption agent is housed is applied in heavy metals exceeding standard soil with plum blossom, chessboard, grid, snakelike method, places 15 ~ 180 days.The absorbent packet that 500g modification pomelo peel biological adsorption agent is housed is imbedded 10 ~ 20cm in upland field soil, or being directly fixed on paddy field soil on the surface, absorbent packet amount of application is 10 ~ 20/every mu (each absorbent packet includes 100 ~ 500g modification pomelo peel biological adsorption agent).
Further, the moisture content of described pending soil is not less than 20%.
The preparation of embodiment 1 pomelo peel heavy metal absorbent
(1) by thick pomelo peel after running water and distilled water are cleaned in 70 DEG C of thermostatic drying chambers, dry 24h, pulverize, cross 100 mesh sieves, store for subsequent use.
(2) pretreatment: get pomelo peel powder 100g and be immersed in the mixed solvent be made up of the sodium hydrate aqueous solution of 250mL0.2mol/L and 250mL ethanol, after soaking at room temperature 24h, filter, filter residue distilled water cleans, and obtains pretreatment orange peel adsorbent;
(3) oxidation modification: get the hydrogen peroxide that pretreatment orange peel adsorbent 60g is placed in 1500mL5v%, stir, carry out oxidation modification process, treatment temperature is 35 DEG C, and the time is 8h;
(4) purifying: filter, filter residue distilled water washs, dry modification pomelo peel biological adsorption agent.
The preparation of embodiment 2 pomelo peel heavy metal absorbent
(1) by thick pomelo peel after running water and distilled water are cleaned in 70 DEG C of thermostatic drying chambers, dry 24h, pulverize, cross 100 mesh sieves, store for subsequent use.
(2) pretreatment: get pomelo peel powder 100g and be immersed in the mixed solvent be made up of the sodium hydrate aqueous solution of 1665mL0.2mol/L and 333mL ethanol, after soaking at room temperature 24h, filter, filter residue distilled water cleans, and obtains pretreatment orange peel adsorbent;
(3) oxidation modification: get the hydrogen peroxide that pretreatment orange peel adsorbent 60g is placed in 1500mL2v%, stir, carry out oxidation modification process, treatment temperature is 25 DEG C, and the time is 4h;
(4) purifying: filter, filter residue distilled water washs, dry modification pomelo peel biological adsorption agent.
The preparation of embodiment 3 pomelo peel heavy metal absorbent
(1) by thick pomelo peel after running water and distilled water are cleaned in 70 DEG C of thermostatic drying chambers, dry 24h, pulverize, cross 100 mesh sieves, store for subsequent use.
(2) pretreatment: get pomelo peel powder 100g and be immersed in the mixed solvent be made up of the sodium hydrate aqueous solution of 700mL0.2mol/L and 300mL ethanol, after soaking at room temperature 24h, filter, filter residue distilled water cleans, and obtains pretreatment orange peel adsorbent;
(3) oxidation modification: get the hydrogen peroxide that pretreatment orange peel adsorbent 60g is placed in 1500mL10v%, stir, carry out oxidation modification process, treatment temperature is 65 DEG C, and the time is 12h;
(4) purifying: filter, filter residue distilled water washs, dry modification pomelo peel biological adsorption agent.
Embodiment 4 pomelo peel heavy metal absorbent is to the reparation of mild or moderate cadmium pollution soil
Get 100g mild or moderate cadmium pollution soil (available Cd content is 1.39mg/kg) be placed in 250ml conical flask and add 150ml pure water, the 10g pomelo peel heavy metal absorbent non-woven bag of Example 1 packages, the non-woven bag that adsorbent is housed is placed in conical flask, put into isothermal vibration case, with the rotating speed of 200r/min concussion 7d under room temperature, take out the absorbent packet that modification shaddock peel adsorbent is housed, air-dry for soil suction filtration normal temperature in conical flask grinding is detected soil available Cd content, soil available Cd content is reduced to 0.30mg/kg, result shows that pomelo peel heavy metal absorbent is 78.42% to this soil available Cd content clearance.
Embodiment 5 pomelo peel heavy metal absorbent is to the reparation of severe cadmium pollution soil
Get 100g heavy Cd contamination soil (available Cd content is 150.20mg/kg) be placed in 250ml conical flask and add 150ml pure water, the 10g pomelo peel heavy metal absorbent non-woven bag of Example 1 packages, the non-woven bag that adsorbent is housed is placed in conical flask, put into isothermal vibration case, with the rotating speed of 200r/min concussion 7d under room temperature, take out the absorbent packet that modification shaddock peel adsorbent is housed, air-dry for soil suction filtration normal temperature in conical flask grinding is detected soil available Cd content, soil available Cd content is reduced to 17.50mg/kg, result shows that pomelo peel heavy metal absorbent is 88.35% to this soil available Cd content clearance.
Embodiment 6
Be the pomelo peel heavy metal absorbent of embodiment 2, all the other are identical with embodiment 4, and soil available Cd content is reduced to 0.33mg/kg, and result shows that pomelo peel heavy metal absorbent is 76.26% to this soil available Cd content clearance.
Embodiment 7
Be the pomelo peel heavy metal absorbent of embodiment 2, all the other are identical with embodiment 5, and soil available Cd content is reduced to 20.23mg/kg, and result shows that pomelo peel heavy metal absorbent is 86.53% to this soil available Cd content clearance.
Embodiment 8
Be the pomelo peel heavy metal absorbent of embodiment 3, all the other are identical with embodiment 4, and soil available Cd content is reduced to 0.29mg/kg, and result shows that pomelo peel heavy metal absorbent is 79.14% to this soil available Cd content clearance.
Embodiment 9
Be the pomelo peel heavy metal absorbent of embodiment 3, all the other are identical with embodiment 5, and soil available Cd content is reduced to 16.11mg/kg, and result shows that pomelo peel heavy metal absorbent is 89.27% to this soil available Cd content clearance.
Structural characterization
The pomelo peel heavy metal absorbent of Example 1 carries out infrared test.See figures.1.and.2, the infrared absorption spectroscopy of pomelo peel primarily of carbohydrate as the absorption band such as lignin, cellulose composition.3431.25cm ~ 1 place absorption peak strength is large, and absorption is strong and peak shape is wider, should be carboxyl absworption peak; The absorption peak strength at 2923.49cm ~ 1 place is medium and peak shape is sharper and narrow, should be the stretching vibration of methyl or methylene C ~ H; The absorption peak strength at 1739.96cm ~ 1 and 1627.33cm ~ 1 place is comparatively large, and peak shape is sharper and narrow, and the stretching vibration that should be C=O causes.Compared with the infrared spectrogram of the pomelo peel before unmodified, the carboxyl absworption peak at pomelo peel heavy metal absorbent 3431.25cm ~ 1 place is subjected to displacement (moving to 3423.06cm ~ 1 from 3431.25cm ~ 1), and absorption peak strength significantly strengthens, in addition, the C=O absworption peak at 1739.96cm ~ 1 and 1627.33cm ~ 1 place also significantly strengthens.Result explanation is modified has introduced carboxyl, and carboxyl functional group increases, and surface, in negative electrical charge, is more conducive to cationic absorption, and therefore the ability of modified pomelo peel Liquidity limit strengthens.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a pomelo peel heavy metal absorbent, is characterized in that, described pomelo peel heavy metal absorbent soaks through sodium hydrate aqueous solution and alcohol mixed solution, hydrogen peroxide oxidation modification obtains.
2. a preparation method for pomelo peel heavy metal absorbent according to claim 1, is characterized in that, comprise the following steps:
Be immersed in by pomelo peel powder in the mixed solution of sodium hydrate aqueous solution and ethanol, washing obtains pretreatment shaddock peel adsorbent;
Pretreatment shaddock peel adsorbent is placed in the hydrogen peroxide of 2 ~ 10v%, stirs, at 25 ~ 60 DEG C, oxidation processes 4 ~ 12 hours, described pretreatment shaddock peel adsorbent quality is 1:10 ~ 60 with the ratio of described hydrogen peroxide volume;
Shaddock peel adsorbent after oxidation processes filtered, washing, drying obtains pomelo peel heavy metal absorbent.
3. the preparation method of pomelo peel heavy metal absorbent according to claim 2, it is characterized in that, the volume ratio of described sodium hydrate aqueous solution and ethanol is 1 ~ 5:1, the ratio of described pomelo peel powder quality and described mixed liquor volume is 1:5 ~ 20, described ethanol to be concentration be 99.7% absolute ethyl alcohol.
4. the preparation method of pomelo peel heavy metal absorbent according to claim 3, is characterized in that, the volume ratio of described sodium hydrate aqueous solution and ethanol is 7:3, and the ratio of described pomelo peel powder quality and described mixed liquor volume is 1:10.
5. the preparation method of pomelo peel heavy metal absorbent according to claim 2, is characterized in that, after described pomelo peel powder soaks, filters, is washed to pH value 6 ~ 7.
6. the preparation method of pomelo peel heavy metal absorbent according to claim 5, it is characterized in that, the volume solubility of described hydrogen peroxide is 10%, and described pretreatment shaddock peel adsorbent quality is 1:25 with the ratio of described hydrogen peroxide volume, and the time of described oxidation processes is 12 hours.
7. the preparation method of the pomelo peel heavy metal absorbent according to any one of claim 2 ~ 6, is characterized in that, the preparation method of described pomelo peel powder is:
Dry, pulverize after pomelo peel is cleaned, cross 100 mesh sieves, obtain pomelo peel powder.
8. the application of a pomelo peel heavy metal absorbent according to claim 1, it is characterized in that, described pomelo peel heavy metal absorbent is loaded cloth bag and makes absorbent packet, comprise pomelo peel heavy metal absorbent described in 100 ~ 500g in described absorbent packet, described absorbent packet to be placed in pending soil 15 ~ 180 days with the consumption of 10 ~ 20/every mu.
9. the application of pomelo peel heavy metal absorbent according to claim 8, is characterized in that, the moisture content of described pending soil is not less than 20%, and pH value is 5 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755331.0A CN105289524A (en) | 2015-11-09 | 2015-11-09 | Shaddock peel heavy metal adsorbent and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755331.0A CN105289524A (en) | 2015-11-09 | 2015-11-09 | Shaddock peel heavy metal adsorbent and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105289524A true CN105289524A (en) | 2016-02-03 |
Family
ID=55187747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510755331.0A Pending CN105289524A (en) | 2015-11-09 | 2015-11-09 | Shaddock peel heavy metal adsorbent and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105289524A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076301A (en) * | 2016-06-30 | 2016-11-09 | 信阳师范学院华锐学院 | The preparation method of succinic anhydride modified pomelo peel oil absorption material |
| CN106242882A (en) * | 2016-03-02 | 2016-12-21 | 西安华诺环保股份有限公司 | A kind of soil contaminated by crude oil bulking agent and preparation method thereof |
| CN106433660A (en) * | 2016-08-19 | 2017-02-22 | 常州大学 | Curing agent for stabilizing heavy metal Ni in soil and using method of curing agent |
| CN106631485A (en) * | 2016-12-28 | 2017-05-10 | 贵州大学 | Fertilizer for remedying pollution caused by hexachlorocyclohexane |
| CN106745453A (en) * | 2016-12-05 | 2017-05-31 | 长沙秋点兵信息科技有限公司 | The processing method of one heavy metal species waste liquid |
| CN106748180A (en) * | 2016-12-27 | 2017-05-31 | 贵州大学 | A kind of fertilizer for reducing Cadmium Content of Rice |
| CN107082654A (en) * | 2017-03-27 | 2017-08-22 | 广西浩昌敏再生资源利用有限公司 | A kind of chicken manure fertilizer and preparation method thereof |
| CN108741001A (en) * | 2018-04-28 | 2018-11-06 | 杨振华 | A kind of production method of sweet potato powder |
| CN109731555A (en) * | 2019-03-04 | 2019-05-10 | 长春工业大学 | One kind being used for CO2The preparation method and application of the ZIF-8/ shaddock veneer composite material of absorption |
| CN109821876A (en) * | 2019-01-24 | 2019-05-31 | 湖州师范学院 | A kind of technique for administering heavy metal pollution of soil |
| CN110076191A (en) * | 2019-05-23 | 2019-08-02 | 山东师范大学 | A kind of heavy metal that passivator can be removed from soil passivation restorative procedure |
| CN110252788A (en) * | 2019-06-03 | 2019-09-20 | 四川大学 | Restorative procedure of the modified orange peel of beta-cyclodextrin to cadmium pollution basic soil |
| CN110576033A (en) * | 2019-09-30 | 2019-12-17 | 天津大学 | Electric restoration method for double-electric-field tour type adsorption and separation of heavy metals in soil |
| CN111909705A (en) * | 2020-07-10 | 2020-11-10 | 广西夏阳环保科技有限公司 | Acidic heavy metal composite soil remediation agent and using method thereof |
| CN112108126A (en) * | 2020-10-15 | 2020-12-22 | 桂林理工大学 | Passion fruit peel biological adsorbent for adsorbing anionic dye and preparation method and application thereof |
| CN112108127A (en) * | 2020-10-15 | 2020-12-22 | 桂林理工大学 | Passion fruit peel adsorption material and preparation method and application thereof |
| CN115007116A (en) * | 2022-06-13 | 2022-09-06 | 湖北理工学院 | Shaddock peel adsorbent and method for adsorbing and removing heavy metals in industrial wastewater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070014260A (en) * | 2005-07-28 | 2007-02-01 | 주식회사 다산솔루션 | The precipitation of heavy metal adsorbant derived from natural materials and the product thereof |
| CN102059099A (en) * | 2010-12-10 | 2011-05-18 | 中南大学 | Biological adsorbent for waste water treatment and preparation method thereof |
| CN103771555A (en) * | 2014-01-10 | 2014-05-07 | 东华大学 | Method for treating lead-containing wastewater by applying corn bracts as biomass absorbent |
| CN104307855A (en) * | 2014-09-30 | 2015-01-28 | 武汉科技大学 | Method for repairing heavy metal contaminated soil in situ by adopting multifunctional biological charcoal |
-
2015
- 2015-11-09 CN CN201510755331.0A patent/CN105289524A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070014260A (en) * | 2005-07-28 | 2007-02-01 | 주식회사 다산솔루션 | The precipitation of heavy metal adsorbant derived from natural materials and the product thereof |
| CN102059099A (en) * | 2010-12-10 | 2011-05-18 | 中南大学 | Biological adsorbent for waste water treatment and preparation method thereof |
| CN103771555A (en) * | 2014-01-10 | 2014-05-07 | 东华大学 | Method for treating lead-containing wastewater by applying corn bracts as biomass absorbent |
| CN104307855A (en) * | 2014-09-30 | 2015-01-28 | 武汉科技大学 | Method for repairing heavy metal contaminated soil in situ by adopting multifunctional biological charcoal |
Non-Patent Citations (1)
| Title |
|---|
| 赵红娟等: "异丙醇一NaOH改性柚子皮对水中Cr6+的吸附研究", 《杭州化工》 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242882A (en) * | 2016-03-02 | 2016-12-21 | 西安华诺环保股份有限公司 | A kind of soil contaminated by crude oil bulking agent and preparation method thereof |
| CN106076301B (en) * | 2016-06-30 | 2020-01-31 | 信阳学院 | Preparation method of succinic anhydride modified shaddock peel oil absorption material |
| CN106076301A (en) * | 2016-06-30 | 2016-11-09 | 信阳师范学院华锐学院 | The preparation method of succinic anhydride modified pomelo peel oil absorption material |
| CN106433660A (en) * | 2016-08-19 | 2017-02-22 | 常州大学 | Curing agent for stabilizing heavy metal Ni in soil and using method of curing agent |
| CN106745453A (en) * | 2016-12-05 | 2017-05-31 | 长沙秋点兵信息科技有限公司 | The processing method of one heavy metal species waste liquid |
| CN106748180A (en) * | 2016-12-27 | 2017-05-31 | 贵州大学 | A kind of fertilizer for reducing Cadmium Content of Rice |
| CN106631485A (en) * | 2016-12-28 | 2017-05-10 | 贵州大学 | Fertilizer for remedying pollution caused by hexachlorocyclohexane |
| CN107082654A (en) * | 2017-03-27 | 2017-08-22 | 广西浩昌敏再生资源利用有限公司 | A kind of chicken manure fertilizer and preparation method thereof |
| CN108741001A (en) * | 2018-04-28 | 2018-11-06 | 杨振华 | A kind of production method of sweet potato powder |
| CN109821876A (en) * | 2019-01-24 | 2019-05-31 | 湖州师范学院 | A kind of technique for administering heavy metal pollution of soil |
| CN109731555A (en) * | 2019-03-04 | 2019-05-10 | 长春工业大学 | One kind being used for CO2The preparation method and application of the ZIF-8/ shaddock veneer composite material of absorption |
| CN109731555B (en) * | 2019-03-04 | 2022-03-25 | 长春工业大学 | For CO2Preparation method and application of adsorbed ZIF-8/shaddock peel composite material |
| CN110076191A (en) * | 2019-05-23 | 2019-08-02 | 山东师范大学 | A kind of heavy metal that passivator can be removed from soil passivation restorative procedure |
| CN110252788A (en) * | 2019-06-03 | 2019-09-20 | 四川大学 | Restorative procedure of the modified orange peel of beta-cyclodextrin to cadmium pollution basic soil |
| CN110576033A (en) * | 2019-09-30 | 2019-12-17 | 天津大学 | Electric restoration method for double-electric-field tour type adsorption and separation of heavy metals in soil |
| CN111909705A (en) * | 2020-07-10 | 2020-11-10 | 广西夏阳环保科技有限公司 | Acidic heavy metal composite soil remediation agent and using method thereof |
| CN112108126A (en) * | 2020-10-15 | 2020-12-22 | 桂林理工大学 | Passion fruit peel biological adsorbent for adsorbing anionic dye and preparation method and application thereof |
| CN112108127A (en) * | 2020-10-15 | 2020-12-22 | 桂林理工大学 | Passion fruit peel adsorption material and preparation method and application thereof |
| CN115007116A (en) * | 2022-06-13 | 2022-09-06 | 湖北理工学院 | Shaddock peel adsorbent and method for adsorbing and removing heavy metals in industrial wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105289524A (en) | Shaddock peel heavy metal adsorbent and preparation method and application thereof | |
| Pyrzynska | Removal of cadmium from wastewaters with low-cost adsorbents | |
| Fouda-Mbanga et al. | Carbohydrate biopolymers, lignin based adsorbents for removal of heavy metals (Cd2+, Pb2+, Zn2+) from wastewater, regeneration and reuse for spent adsorbents including latent fingerprint detection: A review | |
| Chowdhury et al. | Removal of lead ions (Pb2+) from water and wastewater: a review on the low-cost adsorbents | |
| Ullah et al. | Biosorption of chromium onto native and immobilized sugarcane bagasse waste biomass | |
| Demirbas | Agricultural based activated carbons for the removal of dyes from aqueous solutions: a review | |
| Asadi et al. | Modification of rice hull and sawdust sorptive characteristics for remove heavy metals from synthetic solutions and wastewater | |
| CN101239305A (en) | Method for preparing modified plant fibrous sale price biological adsorption agent | |
| CN105013447A (en) | Preparation method of modified cellulose heavy metal adsorbent | |
| CN101721978A (en) | Adsorbent for polyaromatic hydrocarbon pollutant, preparation method and application thereof | |
| CN103071463A (en) | Modified peanut shell Pb(II) adsorbent, and preparation method and application thereof | |
| CN106179239A (en) | The preparation method and applications of pomelo peel modified amido functionalization adsorbent | |
| CN101992067B (en) | Preparation method and use of loofah sponge surface lead ion imprinted absorbing material | |
| CN104226270A (en) | Modified preparation method for corn straw capable of adsorbing arsenic in water | |
| Annadurai | Adsorption of basic dye on strongly chelating polymer: batch kinetics studies | |
| CN105921121A (en) | Preparing method for nanocellulose tannin microgel adsorbent easy to recover | |
| CN107262060A (en) | A kind of heavy metal ion adsorbing material and preparation method thereof | |
| Wang et al. | Removal of methylene blue from aqueous solution by adsorption onto crofton weed stalk | |
| CN103566905B (en) | Modified wood chips adsorbent, preparation method and in process containing the application in basic-dyeable fibre waste water | |
| Singh et al. | Removal of methylene blue using lemon grass ash as an adsorbent | |
| CN105561943B (en) | A kind of preparation method and application of magnetic rape stalk sorbing material | |
| Zhang et al. | Adsorption of uranium onto modified rice straw grafted with oxygen-containing groups | |
| Wazir et al. | Saccharum Arundinaceum leaves as a versatile biosorbent for removal of methylene blue dye from wastewater | |
| Huang et al. | Rice straw derived adsorbent for fast and efficient phosphate elimination from aqueous solution | |
| Liang et al. | Effective Removal of Cr (VI) from Aqueous Solution Using Modified Orange Peel Powder: Equilibrium and Kinetic Study. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |