CN105233808A - Heavy metal adsorption material and preparation method thereof - Google Patents
Heavy metal adsorption material and preparation method thereof Download PDFInfo
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- CN105233808A CN105233808A CN201510699464.0A CN201510699464A CN105233808A CN 105233808 A CN105233808 A CN 105233808A CN 201510699464 A CN201510699464 A CN 201510699464A CN 105233808 A CN105233808 A CN 105233808A
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Abstract
The invention discloses a heavy metal adsorption material and a preparation method thereof. The heavy metal adsorption material is prepared from 10-20 parts of polyacrylamide, 4-10 parts of starch-methacrylate graft copolymer, 3-8 parts of corn core hemicellulose, 3-9 parts of sodium bentonite, 4-8 parts of NKA-II macroporous resin, 3-10 parts of DA-201 macroporous resin and 2-6 parts of coconut shell activated carbon. The preparation method includes the following steps that firstly, sodium bentonite and coconut shell activated carbon are taken and smashed; secondly, polyacrylamide, starch-methacrylate graft copolymer, corn core hemicellulose, sodium bentonite, NKA-II macroporous resin, DA-201 macroporous resin and coconut shell activated carbon are taken and mixed evenly, and then the heavy metal adsorption material is obtained. The prepared heavy metal adsorption material has an ideal adsorption effect on zinc, mercury and lead.
Description
Technical field
The invention belongs to environmental-protection adsorption Material Field, be specifically related to a kind of heavy metal material and preparation method thereof.
Background technology
Heavy metal wastewater thereby (as containing cadmium, lead, arsenic, mercury, chromium) is that the most serious and mankind of a class environmental pollution endanger one of maximum industrial wastewater.Most metal ions and compound thereof to be easy to adsorb by suspended particulate in water and be deposited in water-bed sedimentary deposit, long-term pollution water body.Some heavy metal and compound thereof can in fish and other aquatic organisms and enrichment in crops tissue, accumulation participate in biosphere circulation.Zinc (zinc, Zn) is mercury and lead relatively, is the pollutant that a kind of toxicity is less, only has when zinc ion concentration is higher, just show toxic action.Mercury (mercury, Hg) and compound thereof belong to extremely toxic substance, at people's body accumulation, and easily can be absorbed by skin, breathing and alimentary canal, can destroy central nervous tissue, can cause the infringements such as human body alimentary canal, oral cavity, kidney, liver.Plumbous (lead, Pb) and compound thereof mainly enter people's human body with the form of dust or smog by respiratory tract or alimentary canal, enter people gastral plumbous 5% ~ 10% and are absorbed, and the lead absorption deposition being entered lung by respiratory tract reaches 30% ~ 50%.How effectively the content of zinc, mercury and lead in removal heavy metal waste water be the problems needing effectively to solve.
Summary of the invention
the technical problem solved:the object of this invention is to provide a kind of heavy-metal adsorption material and preparation method thereof, solve existing sorbing material poor for adsorption effect during Adsorption of Heavy Metals, effectively can not remove the problem of the heavy metal in industrial wastewater.
technical scheme
The present invention is achieved through the following technical solutions:
A kind of heavy-metal adsorption material, described heavy-metal adsorption material comprises the composition of following weight parts:
Polyacrylamide 10-20 part,
Starch-acrylate graft copolymer 4-10 part,
Corncob hemicellulose 3-8 part,
Sodium bentonite 3-9 part,
NKA-II macroporous absorbent resin 4-8 part,
DA-201 macroporous absorbent resin 3-10 part,
Cocos active carbon 2-6 part.
Preferably, described a kind of heavy-metal adsorption material, described heavy-metal adsorption material comprises the composition of following weight parts:
Polyacrylamide 12-18 part,
Starch-acrylate graft copolymer 5-9 part,
Corncob hemicellulose 4-7 part,
Sodium bentonite 4-8 part,
NKA-II macroporous absorbent resin 5-7 part,
DA-201 macroporous absorbent resin 5-9 part,
Cocos active carbon 3-5 part.
Preferably, described a kind of heavy-metal adsorption material, described Molecular Weight for Polyacrylamide is 100000-800000.
The preparation method of described a kind of heavy-metal adsorption material, comprises the steps:
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 100 orders;
(2) polyacrylamide 10-20 part, starch-acrylate graft copolymer 4-10 part, corncob hemicellulose 3-8 part, sodium bentonite 3-9 part, NKA-II macroporous absorbent resin 4-8 part, DA-201 macroporous absorbent resin 3-10 part, cocos active carbon 2-6 part is got by weight respectively, above-mentioned composition is mixed, after mixing, it is heavy-metal adsorption material.
The preparation method of described a kind of heavy-metal adsorption material, it is more than 200 orders that step (1) is crushed to order number.
beneficial effect:in order to effectively improve the clearance of sorbing material to heavy metals in industrial wastewater, active ingredient in sorbing material of the present invention comprises polyacrylamide, starch-acrylate graft copolymer, corncob hemicellulose, sodium bentonite, NKA-II macroporous absorbent resin, DA-201 macroporous absorbent resin, cocos active carbon, the composite material of above-mentioned sorbing material composition has extraordinary adsorption rate on absorption zinc, mercury, lead, can be widely used in process and the absorption of the heavy metal in industrial wastewater.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is further described.
Embodiment 1
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 100 orders;
(2) polyacrylamide 10 parts, starch-acrylate graft copolymer 4 parts, corncob hemicellulose 8 parts, sodium bentonite 9 parts, NKA-II macroporous absorbent resin 4 parts, DA-201 macroporous absorbent resin 3 parts, cocos active carbon 6 parts is got by weight respectively, above-mentioned composition is mixed, after mixing, it is heavy-metal adsorption material.
Embodiment 2
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 100 orders;
(2) polyacrylamide 20 parts, starch-acrylate graft copolymer 10 parts, corncob hemicellulose 3 parts, sodium bentonite 3 parts, NKA-II macroporous absorbent resin 8 parts, DA-201 macroporous absorbent resin 10 parts, cocos active carbon 2 parts is got by weight respectively, above-mentioned composition is mixed, after mixing, it is heavy-metal adsorption material.
Embodiment 3
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 100 orders;
(2) polyacrylamide 18 parts, starch-acrylate graft copolymer 9 parts, corncob hemicellulose 4 parts, sodium bentonite 4 parts, NKA-II macroporous absorbent resin 7 parts, DA-201 macroporous absorbent resin 5 parts, cocos active carbon 3 parts is got by weight respectively, above-mentioned composition is mixed, after mixing, it is heavy-metal adsorption material.
Embodiment 4
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 200 orders;
(2) polyacrylamide 12 parts, starch-acrylate graft copolymer 5 parts, corncob hemicellulose 7 parts, sodium bentonite 8 parts, NKA-II macroporous absorbent resin 5 parts, DA-201 macroporous absorbent resin 9 parts, cocos active carbon 5 parts is got by weight respectively, above-mentioned composition is mixed, after mixing, it is heavy-metal adsorption material.
Embodiment 5
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 100 orders;
(2) polyacrylamide 15 parts, starch-acrylate graft copolymer 7 parts, corncob hemicellulose 5 parts, sodium bentonite 6 parts, NKA-II macroporous absorbent resin 6 parts, DA-201 macroporous absorbent resin 8 parts, cocos active carbon 4 parts is got by weight respectively, above-mentioned composition is mixed, after mixing, it is heavy-metal adsorption material.
Comparative example 1
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 100 orders;
(2) polyacrylamide 10 parts, corncob hemicellulose 8 parts, sodium bentonite 9 parts, NKA-II macroporous absorbent resin 4 parts, DA-201 macroporous absorbent resin 3 parts, cocos active carbon 6 parts is got by weight respectively, above-mentioned composition is mixed, after mixing, it is heavy-metal adsorption material.
Comparative example 2
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 100 orders;
(2) getting polyacrylamide 10 parts, starch-acrylate graft copolymer 4 parts, corncob hemicellulose 8 parts, sodium bentonite 9 parts, cocos active carbon 6 parts by weight respectively, above-mentioned composition is mixed, after mixing, is heavy-metal adsorption material.
In heavy metal wastewater thereby, Zn content is 98mg/Kg, mercury content is 144mg/Kg, lead content is 126mg/Kg, the sorbing material of embodiment and comparative example is added respectively in heavy metal wastewater thereby, addition is 2% of waste water weight, add rear stirring 2h, measure the content of zinc, mercury and the lead in heavy metal wastewater thereby, data are as following table:
| Zinc (mg/Kg) | Mercury (mg/Kg) | Plumbous (mg/Kg) | |
| Embodiment 1 | 19 | 29 | 38 |
| Embodiment 2 | 16 | 27 | 38 |
| Embodiment 3 | 10 | 16 | 33 |
| Embodiment 4 | 11 | 17 | 29 |
| Embodiment 5 | 7 | 10 | 15 |
| Comparative example 1 | 33 | 51 | 55 |
| Comparative example 2 | 30 | 46 | 59 |
Claims (5)
1. a heavy-metal adsorption material, is characterized in that, described heavy-metal adsorption material comprises the composition of following weight parts:
Polyacrylamide 10-20 part,
Starch-acrylate graft copolymer 4-10 part,
Corncob hemicellulose 3-8 part,
Sodium bentonite 3-9 part,
NKA-II macroporous absorbent resin 4-8 part,
DA-201 macroporous absorbent resin 3-10 part,
Cocos active carbon 2-6 part.
2. a kind of heavy-metal adsorption material according to claim 1, is characterized in that, described heavy-metal adsorption material comprises the composition of following weight parts:
Polyacrylamide 12-18 part,
Starch-acrylate graft copolymer 5-9 part,
Corncob hemicellulose 4-7 part,
Sodium bentonite 4-8 part,
NKA-II macroporous absorbent resin 5-7 part,
DA-201 macroporous absorbent resin 5-9 part,
Cocos active carbon 3-5 part.
3. a kind of heavy-metal adsorption material according to claim 1, is characterized in that, described Molecular Weight for Polyacrylamide is 100000-800000.
4. the preparation method of a kind of heavy-metal adsorption material according to claim 1, is characterized in that, described preparation method comprises the steps:
(1) get sodium bentonite and cocos active carbon, sodium bentonite and cocos active carbon are pulverized, being crushed to its order number is more than 100 orders;
(2) polyacrylamide 10-20 part, starch-acrylate graft copolymer 4-10 part, corncob hemicellulose 3-8 part, sodium bentonite 3-9 part, NKA-II macroporous absorbent resin 4-8 part, DA-201 macroporous absorbent resin 3-10 part, cocos active carbon 2-6 part is got by weight respectively, above-mentioned composition is mixed, after mixing, it is heavy-metal adsorption material.
5. the preparation method of a kind of heavy-metal adsorption material according to claim 4, is characterized in that, in described preparation method, step (1) is crushed to order number is more than 200 orders.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365914A (en) * | 2016-09-07 | 2017-02-01 | 无限极（中国）有限公司 | Additive for bamboo fungus planting and bamboo fungus planting method |
| CN106390943A (en) * | 2016-12-02 | 2017-02-15 | 郑州源冉生物技术有限公司 | Composite adsorbent for treating heavy metal mercury ion and preparation method thereof |
| CN106396957A (en) * | 2016-09-07 | 2017-02-15 | 无限极（中国）有限公司 | Additive for planting shiitake mushrooms and shiitake mushroom planting method |
| CN106512942A (en) * | 2016-12-02 | 2017-03-22 | 郑州源冉生物技术有限公司 | Compound adsorbent for heavy metal mercury ions and preparation method of compound adsorbent |
| CN107497411A (en) * | 2017-10-18 | 2017-12-22 | 王天石 | A kind of special detergent of water process and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106365914A (en) * | 2016-09-07 | 2017-02-01 | 无限极（中国）有限公司 | Additive for bamboo fungus planting and bamboo fungus planting method |
| CN106396957A (en) * | 2016-09-07 | 2017-02-15 | 无限极（中国）有限公司 | Additive for planting shiitake mushrooms and shiitake mushroom planting method |
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| CN107497411A (en) * | 2017-10-18 | 2017-12-22 | 王天石 | A kind of special detergent of water process and preparation method thereof |
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Application publication date: 20160113 |