CN107583622A - A kind of preparation method of soil heavy mental adsorbent - Google Patents
A kind of preparation method of soil heavy mental adsorbent Download PDFInfo
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- CN107583622A CN107583622A CN201711024602.0A CN201711024602A CN107583622A CN 107583622 A CN107583622 A CN 107583622A CN 201711024602 A CN201711024602 A CN 201711024602A CN 107583622 A CN107583622 A CN 107583622A
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Abstract
The present invention relates to a kind of preparation method of soil heavy mental adsorbent, the preparation method includes：Diatomaceous proportioning according to the pearl white of 50 100 parts by weight, the sepiolite of 30 80 parts by weight, the kaolin of 20 80 parts by weight, the bagasse powder of 10 20 parts by weight, the zeolite of 2 12 parts by weight, the rice straw powder of 1 10 parts by weight and 18 parts by weight will obtain for the raw material for preparing soil heavy mental adsorbent after enzymatic ferments, is well mixed.The soil heavy mental adsorbent of the present invention has the characteristics of advantages of good adsorption effect, convenient for production, application method is simple.
Description
Technical field
Present invention relates particularly to soil heavy mental adsorbent field, is adsorbed more specifically to a kind of heavy metal-polluted soil
The preparation method of agent.
Background technology
Heavy metal pollution because in plant, being accumulated with toxicity, easily by food chain in animal and human body, to ecological environment and
Health constitutes a serious threat.With widely using for rapid industrial development, agricultural chemicals and chemical fertilizer, farmland soil heavy metals pollution
It is increasingly severe, study farmland soil heavy metals pollution situation and recovery technique is significant to agricultural product security.
The content of the invention
The invention provides a kind of preparation method of soil heavy mental adsorbent, there is advantages of good adsorption effect, it is convenient for production, make
With method it is simple the characteristics of.
The technical solution adopted in the present invention is：
The present invention provides a kind of preparation method of soil heavy mental adsorbent, and the preparation method includes：50-100 weight
The pearl white, the sepiolite of 30-80 parts by weight, the kaolin of 20-80 parts by weight, the bagasse powder of 10-20 parts by weight, 2-12 weights of part
The zeolite, the rice straw powder of 1-10 parts by weight and the diatomaceous proportioning of 1-8 parts by weight of amount part will be used to prepare heavy metal-polluted soil suction
Attached dose of raw material obtains after enzymatic ferments, is well mixed.
Preferably, the gelatin of 3-15 parts by weight is also included in the proportioning of the soil heavy mental adsorbent.
Preferably, the proportioning of the soil heavy mental adsorbent includes the pearl white of 70-100 parts by weight, 50-80 parts by weight
Sepiolite, the kaolin of 50-80 parts by weight, the bagasse powder of 12-20 parts by weight, the zeolite of 5-12 parts by weight, 4-10 parts by weight
Rice straw powder, the diatomite of 4-8 parts by weight and the gelatin of 8-15 parts by weight.
Preferably, the enzymatic fermentation promotes fermentation using papain, and reaction temperature is 25-40 DEG C, described to be used for
The charging sequence for preparing the raw material of soil heavy mental adsorbent is followed successively by：Pearl white, bagasse powder, rice straw powder, kaolin, Hai Pao
Stone, zeolite, diatomite and gelatin；Wherein, the pearl white, bagasse powder, rice straw powder, kaolin add simultaneously, ferment 10-20 days
After be individually added into other raw materials, then ferment 1-5 days.
Preferably, the enzymatic fermentation reaction temperature is 30-40 DEG C.
Preferably, the fermentation time that the pearl white, bagasse powder, rice straw powder, kaolin add simultaneously is 15-20 days.
Preferably, the fermentation time again is 3-5 days.
Preferably, products therefrom is uniformly mixed after placing 1-2 days after the enzymatic fermentation, produces heavy metal-polluted soil suction
Attached dose.
Beneficial effects of the present invention are：
Firstth, soil heavy mental adsorbent of the present invention is equipped with kaolinite using raw materials such as pearl white, bagasse powder and rice straw powders
Soil, sepiolite, zeolite, diatomite and gelatin, formula is reasonable, the heavy metal element in thorough strong adsorption soil, adsorption effect
It is good, soil is become loose knot admittedly, while increase the nutrient of soil；This adsorbent application method is simple, and cost is low.
Secondth, soil heavy mental adsorbent of the present invention is applied widely, and application method is simple, by soil heavy mental adsorbent
It is sprinkled into soil, after water moistening, adsorbent fully reacts with heavy metal in soil, you can heavy-metal ion removal.
3rd, soil heavy mental adsorbent cost of the present invention is cheap, convenient for production, the original that soil heavy mental adsorbent is selected
Material is convenient source, and raw material is simple and easy to get, and preparation technology is simple, effectively reduces being fabricated to for soil heavy mental adsorbent
This.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belong to the scope that the present invention is protected.
The present invention provides a kind of present invention and provides a kind of preparation method of soil heavy mental adsorbent, the preparation method bag
Include：The pearl white of 50-100 parts by weight, the sepiolite of 30-80 parts by weight, the kaolin of 20-80 parts by weight, 10-20 parts by weight
Bagasse powder, the zeolite of 2-12 parts by weight, the diatomaceous proportioning of the rice straw powder of 1-10 parts by weight and 1-8 parts by weight will be used to prepare
The raw material of soil heavy mental adsorbent obtains after enzymatic ferments, is well mixed；Preferably, the soil heavy mental adsorbent
Proportioning in also include the gelatin of 3-15 parts by weight；Preferably, the proportioning of the soil heavy mental adsorbent includes 70-100 weights
Measure the pearl white of part, the sepiolite of 50-80 parts by weight, the kaolin of 50-80 parts by weight, bagasse powder, the 5-12 of 12-20 parts by weight
The zeolite of parts by weight, the rice straw powder of 4-10 parts by weight, the gelatin of the diatomite of 4-8 parts by weight and 8-15 parts by weight.
According to the present invention, in order to improve the adsorption capacity of soil heavy mental adsorbent, the enzymatic fermentation uses pawpaw egg
White enzymatic enters fermentation, and reaction temperature is 25-40 DEG C, the charging sequence for being used to preparing the raw material of soil heavy mental adsorbent according to
It is secondary to be：Pearl white, bagasse powder, rice straw powder, kaolin, sepiolite, zeolite, diatomite and gelatin；Wherein, the pearl white, sugarcane
Ground-slag, rice straw powder, kaolin add simultaneously, and fermentation is individually added into other raw materials after 10-20 days, then ferments 1-5 days.Preferably,
The enzymatic fermentation reaction temperature is 30-40 DEG C.Preferably, the pearl white, bagasse powder, rice straw powder, kaolin add simultaneously
Fermentation time be 15-20 days.Preferably, the fermentation time again is 3-5 days.Preferably, gained produces after the enzymatic fermentation
Thing is uniformly mixed after placing 1-2 days, produces soil heavy mental adsorbent.
The present invention is further illustrated below by embodiment, but the present invention is not therefore subject to any restriction.
Unless otherwise instructed, agents useful for same of the present invention is commercially available, and the commodity of different brands do not influence specifically used.
Embodiment 1
Successively by the pearl white of 50 parts by weight, the bagasse powder of 12 parts by weight, the rice straw powder of 1 parts by weight, 20 parts by weight height
Ridge soil adds simultaneously, and adds papain and promote fermentation, and reaction temperature is 25 DEG C, and fermentation is individually added into other originals after 20 days
Material, the sepiolite of 30 parts by weight, the zeolite of 12 parts by weight, the gelatin of the diatomite of 1 parts by weight and 15 parts by weight, then ferment 3 days；
Products therefrom is uniformly mixed after placing 1 day after enzymatic fermentation, produces soil heavy mental adsorbent A.
Embodiment 2
Successively by the pearl white of 70 parts by weight, the bagasse powder of 10 parts by weight, the rice straw powder of 10 parts by weight, 80 parts by weight height
Ridge soil adds simultaneously, and adds papain and promote fermentation, and reaction temperature is 30 DEG C, and fermentation is individually added into other originals after 10 days
Material, the sepiolite of 50 parts by weight, the zeolite of 5 parts by weight, the gelatin of the diatomite of 8 parts by weight and 8 parts by weight, then ferment 5 days；Enzyme
Inspire products therefrom after ferment to be uniformly mixed after placing 2 days, produce soil heavy mental adsorbent B.
Embodiment 3
Successively by the pearl white of 100 parts by weight, the bagasse powder of 20 parts by weight, the rice straw powder of 4 parts by weight, 50 parts by weight height
Ridge soil adds simultaneously, and adds papain and promote fermentation, and reaction temperature is 40 DEG C, and fermentation is individually added into other originals after 15 days
Material, the sepiolite of 80 parts by weight, the zeolite of 2 parts by weight, the gelatin of the diatomite of 4 parts by weight and 3 parts by weight, then ferment 1 day；Enzyme
Inspire products therefrom after ferment to be uniformly mixed after placing 2 days, produce soil heavy mental adsorbent C.
Comparative example 1
The difference of comparative example 1 and embodiment 1 is：Comparative example 1, which does not include, pearl white.
Comparative example 2
The difference of comparative example 2 and embodiment 1 is：Comparative example 2, which does not include, bagasse powder.
Comparative example 3
The difference of comparative example 3 and embodiment 1 is：Comparative example 3, which does not include, rice straw powder.
Comparative example 4
The difference of comparative example 4 and embodiment 1 is：Comparative example 3, which does not include, pearl white, bagasse powder and rice straw powder.
In order to study the performance of soil heavy mental adsorbent obtained by the present invention, heavy metal-polluted soil adsorption capacity test is carried out.
Specific test result is as shown in table 1.
Soil sample of the Jiangxi by heavy metal pollution is taken, contained heavy metal mainly has mercury (Hg), cadmium (Cd), lead (Pb), chromium
(Cr) etc., after soil sample air-dry is ground, screen cloth collection is standby, tests and analyzes heavy metal content in soil and record, uses this reality
Apply a 1-3, comparative example 1-4 and certain commercially available soil heavy mental adsorbent is handled soil sample, re-test content of beary metal, so as to
Show that each content of beary metal of experiment soil reduces percentage test result.
Experiment soil reduces percentage test result using each content of beary metal after soil heavy mental adsorbent and is shown in Table 1.
Table 1, which tests each content of beary metal of soil, reduces percentage test result
It can see from the result of table 1, the soil heavy mental adsorbent that the present invention prepares gained has good heavy metal adsorption
Effect, have a extensive future.
The foregoing is only a preferred embodiment of the present invention, not makees any formal limitation to the present invention；It is all
The those of ordinary skill of the industry can be shown in by specification and described above and swimmingly implement the present invention；It is but all familiar
Professional and technical personnel without departing from the scope of the present invention, makes using disclosed above technology contents
A little variation, modification and evolution equivalent variations, be the present invention equivalent embodiment；Meanwhile all realities according to the present invention
Variation, modification and evolution of any equivalent variations that matter technology is made to above example etc., still fall within the technology of the present invention
Within the protection domain of scheme.
Claims (8)
1. a kind of preparation method of soil heavy mental adsorbent, it is characterised in that the preparation method includes：50-100 parts by weight
Pearl white, the sepiolite of 30-80 parts by weight, the kaolin of 20-80 parts by weight, the bagasse powder of 10-20 parts by weight, 2-12 weight
The zeolite, the rice straw powder of 1-10 parts by weight and the diatomaceous proportioning of 1-8 parts by weight of part will be used to prepare heavy metal-polluted soil absorption
The raw material of agent obtains after enzymatic ferments, is well mixed.
2. the preparation method of soil heavy mental adsorbent according to claim 1, it is characterised in that the heavy metal-polluted soil absorption
Also include the gelatin of 3-15 parts by weight in the proportioning of agent.
3. the preparation method of soil heavy mental adsorbent according to claim 1, it is characterised in that the heavy metal-polluted soil absorption
The proportioning of agent includes the pearl white of 70-100 parts by weight, the sepiolite of 50-80 parts by weight, kaolin, the 12- of 50-80 parts by weight
The bagasse powder of 20 parts by weight, the zeolite of 5-12 parts by weight, the rice straw powder of 4-10 parts by weight, the diatomite and 8-15 of 4-8 parts by weight
The gelatin of parts by weight.
4. according to the preparation method described in claim any one of 1-3, it is characterised in that the enzymatic fermentation uses Papain
Enzymatic enters fermentation, and reaction temperature is 25-40 DEG C, and the charging sequence for preparing the raw material of soil heavy mental adsorbent is successively
For：Pearl white, bagasse powder, rice straw powder, kaolin, sepiolite, zeolite, diatomite and gelatin；Wherein, the pearl white, bagasse
Powder, rice straw powder, kaolin add simultaneously, and fermentation is individually added into other raw materials after 10-20 days, then ferments 1-5 days.
5. preparation method according to claim 4, it is characterised in that the enzymatic fermentation reaction temperature is 30-40 DEG C.
6. preparation method according to claim 4, it is characterised in that the pearl white, bagasse powder, rice straw powder, kaolin
The fermentation time added simultaneously is 15-20 days.
7. preparation method according to claim 4, it is characterised in that the fermentation time again is 3-5 days.
8. preparation method according to claim 4, it is characterised in that products therefrom is placed 1-2 days after the enzymatic fermentation
After be uniformly mixed, produce soil heavy mental adsorbent.
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| CN201711024602.0A CN107583622A (en) | 2017-10-27 | 2017-10-27 | A kind of preparation method of soil heavy mental adsorbent |
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| CN201711024602.0A CN107583622A (en) | 2017-10-27 | 2017-10-27 | A kind of preparation method of soil heavy mental adsorbent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817060A (en) * | 2018-08-03 | 2018-11-16 | 王子豪 | The method of efficient restoration of soil polluted by heavy metal |
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| CN103861570A (en) * | 2014-04-04 | 2014-06-18 | 何崇康 | Novel bagasse absorbing material as well as preparation method thereof |
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