CN102674496A - Method for remedying heavy-metal pollution in water body by using nano mushroom biological adsorbent - Google Patents
Method for remedying heavy-metal pollution in water body by using nano mushroom biological adsorbent Download PDFInfo
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- CN102674496A CN102674496A CN2012101543256A CN201210154325A CN102674496A CN 102674496 A CN102674496 A CN 102674496A CN 2012101543256 A CN2012101543256 A CN 2012101543256A CN 201210154325 A CN201210154325 A CN 201210154325A CN 102674496 A CN102674496 A CN 102674496A
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Abstract
The invention belongs to a biological treatment technique of water body pollution in the technical field of resource and environments and particularly relates to a method for adsorbing heavy metals in a water body by putting processed nano-scale mushroom tissues in the polluted water body. The method fully utilizes the advantage of high heavy metal adsorbing efficiency of nano-scale mushrooms, and the adsorption rate of the heavy metals in the water body can reach 99.5-99.9 percent.
Description
Technical field
The invention belongs to technical field of resource environments, be specifically related to main Biosorption of Heavy Metals improvement technology in the water body.
Background technology
Along with Economic development and social industriallization, the water environment pollution present situation of China is serious day by day, and wherein the heavy metal contamination in the water body is to have a large capacity and a wide range and unmanageable primary pollution source; The present treatment technology strategy of harmful heavy metal in the polluted-water is had two kinds: Degradation and Transformation, absorption remove; Comparatively speaking, the technology that absorption removes is simple, with low cost, is one of gordian technique of water pollution control so develop new and effective sorbent material.The sorbent material type that can be used for water treatment is broadly divided into three types of physical absorbent, chemosorbent and biological adsorption agents.Wherein biological adsorption agent is able to pay attention to because of having characteristics such as raw material is wide, wide in variety, cost is low, loading capacity is big, easy to operate, renewable.The biomaterial of having reported at present that can be used for wastewater treatment has the mycelium pellet (mainly being the Regitex FA material) of various plants material (being mainly cellulose materials) such as wood chip, Pericarppium arachidis hypogaeae, orange peel, corn cob, rice bran and some filamentous funguss.
Summary of the invention
The present invention then is based on a large amount of tankage that produce in the gill fungus bacterium production process, is processed into the heavy metal in can be the especially efficient adsorbed water body of nanometer gill fungus bacterium biological adsorption agent and new the high-performance bio sorbent material and the novel method of the improvement polluted-water that puts forward.
Technical scheme
This invention realizes through following technical proposals: collect the tankage (comprising mushroom pin, mushroom root, inferior mushroom, sick mushroom) that edible gill fungus bacterium produces in producing, and---edible fungi leftovers that obtains is dried or dries to constant weight---utilized 40 ℃ of high energy nanometer impact grindings, handled in 10 hours;------insert in the pending sewage---in room temperature through fully soaking in the adsorbable removal water body of absorption heavy metal of 99.5% ~ 99.9%---taken out adsorbent units, the nanometer gill fungus bacterium of saturated absorption collected, put into methane-generating pit or concentrated landfill nanometer gill fungus bacterium biological adsorption agent to be processed the adsorbent units of all size or shape to be processed into nano level (249-400nm) gill fungus bacterium biological adsorption agent.The edible gill fungus bacterium tankage that use among the present invention comprise the multiple waste (comprising mushroom pin, mushroom root, inferior mushroom, sick mushroom) that produces in the Edible Fungi; Have efficiently adsorptive power fast after processing nanometer gill fungus bacterium biological adsorption agent, can adsorb the heavy metal of various concentration.Edible gill fungus bacterium can be tame various edible mushroomss described in the such scheme; In the such scheme, heavy metal ion or deep layer that the nanometer gill fungus bacterium bacterium slag that has adsorbed the water body weight metal drops into the methane-generating pit fermentation methane or adopts chemical electrophoresis, chelating intermediate processing to remove absorption are concentrated and are buried.
Beneficial effect of the present invention
Technology is administered in the biomaterial absorption of this water pollution; Be processed into nanometer gill fungus bacterium biological adsorption agent with edible gill fungus bacterium tankage; Make full use of nanometer gill fungus bacteria adsorbent and have the advantage of high adsorption efficiency, heavy metal 99.5% ~ 99.9% in its overall adsorbable removing water body.
Description of drawings
Accompanying drawing:Fig. 1 is the case study on implementation purifier.
Embodiment
Embodiment one
This example adopts the tankage of flat mushroom to process the biological adsorption agent of nanometer flat mushroom (249-400nm) as purifier shown in the drawings, is respectively applied for and contains heavy metal chromium (Cr
6+), copper (Cu
2+), nickel (Ni
2+), zinc (Zn
2+) the absorption of waste liquid administer.At first, collect a large amount of tankage that stay after the flat mushroom results, dry after the cleaning or dry, utilize the impact grinding of high energy nanometer to be processed into nano level (249-400nm) gill fungus bacterium biological adsorption agent to constant weight.According to the water purification jar shown in the right figure of amount adding of every liter of waste water 25g nanometer flat mushroom sorbent material, handle the heavy metal wastewater thereby of pH=4 from opening for feed, after stirring 2 hours, open flowing water Valve and emit waste water.After treating that waste water flows out, take out the filter residue on the strainer, filter residue is put into the methane-generating pit recycle or directly buried from discharge port.The amount of heavy metal can be passed through graphite furnace atomic absorption spectrometry in this example, and adsorption rate then adopts following formula to calculate: adsorption rate=(initial concentration-absorption back concentration)/initial concentration * 100 %.The result shows that the nano biological sorbent material that uses the flat mushroom leftover bits and pieces is respectively to containing chromium (Cr
6+) the metal waste liquid of 14 mg/L has 99.5% clearance rate, to cupric (Cu
2+) the metal waste liquid of 12mg/L has 99.9% clearance rate, to nickeliferous (Ni
2+) the metal waste liquid of 10mg/L has 99.6% clearance rate, to containing zinc (Zn
2+) the metal waste liquid of 10mg/L has 99.7% clearance rate;
Embodiment two
This example adopts the tankage of Ji mushroom to process the biological adsorption agent of nanometer Ji mushroom as the purifier in the accompanying drawing, handles pH=4 with the amount that adds 30g nanometer Ji mushroom (249-400nm) biological adsorption agent in every liter of waste water and contains heavy metal lead (Pb
2+) waste liquid of 20mg/L.The result shows that nanometer Ji mushroom biological adsorption agent is to plumbous (Pb in the waste liquid
2+) adsorption rate be about 99.5%;
Embodiment three
This example adopts the mushroom tankage to process the biological adsorption agent of nanometer mushroom as purifier in the accompanying drawing, and the amount processing that adds 35g nanometer mushroom (249-400nm) biological adsorption agent with every liter of waste water contains heavy metal copper (Cu
2+) 12mg/L and chromium (Cr
6+) composite waste of pH=4 of 14mg/L.The result shows that nanometer mushroom biological adsorption agent is to copper (Cu in the waste liquid
2+) adsorption rate be 99.6%, to chromium (Cr in the waste liquid
6+) adsorption rate be about 99.5%;
Embodiment four
This example adopts the Coprinus comatus tankage to process the biological adsorption agent of nanometer Coprinus comatus as purifier in the accompanying drawing, and the amount processing that adds 30g nanometer Coprinus comatus (249-400nm) biological adsorption agent with every liter of waste water contains heavy metal Hg (Hg
2+) 10mg/L and lead (Pb
2+) composite waste of pH=4 of 10mg/L.The result shows that nanometer Coprinus comatus biological adsorption agent is to Mercury in Wastewater (Hg
2+) adsorption rate be 99.5%, plumbous (Pb
2+) adsorption rate be about 99.6%;
Embodiment five
This example adopts the tankage of straw mushroom to process the biological adsorption agent of nanometer straw mushroom (249-400nm) as the purifier in the accompanying drawing, handles with the amount that adds 35g nanometer straw mushroom biological adsorption agent in every liter of waste water and contains 12mg/L copper (Cu
2+), 10mg/L zinc (Zn
2+), 10mg/L nickel (Ni
2+) waste liquid of pH=4 of three kinds of metals.The result shows that nanometer straw mushroom biological adsorption agent is to copper (Cu
2+) clearance 99.5%, zinc (Zn
2+) clearance 99.6%, nickel (Ni
2+) clearance 99.5%.
Claims (4)
1. this invention is a kind of biological treating technology of water pollution, it is characterized in that using the heavy metal in the direct adsorbed water body of nano level gill fungus hyphostroma of processing, after the absorption of nanometer gill fungus hyphostroma is saturated, it is taken out do further processing again.
2. the biological treating of water pollution according to claim 1 is technological, and its characteristic is that also used sorbing material is the particularly edible gill fungus bacterium tankage tissue of gill fungus bacterium (edible portion is selected the remaining tissue in back).
3. the biological treating of water pollution according to claim 1 is technological, and the gill fungus bacterium tankage that it is characterized in that the adsorbed water body pollutent are through super-dry, and high energy nanometer impact grinding nanometer promptly can be used for the improvement of polluted-water.
4. heavy metal ion or deep layer that the nanometer gill fungus bacterium bacterium slag that the biological treating of water pollution according to claim 1 technology, its characteristic also have been to adsorb the water body weight metal drops into the methane-generating pit fermentation methane or adopts chemical electrophoresis, chelating intermediate processing to remove absorption are concentrated and are buried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101543256A CN102674496A (en) | 2012-05-18 | 2012-05-18 | Method for remedying heavy-metal pollution in water body by using nano mushroom biological adsorbent |
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|---|---|---|---|
| CN2012101543256A CN102674496A (en) | 2012-05-18 | 2012-05-18 | Method for remedying heavy-metal pollution in water body by using nano mushroom biological adsorbent |
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| CN102674496A true CN102674496A (en) | 2012-09-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876759A (en) * | 2014-02-27 | 2015-09-02 | 哈尔滨金田农业科技有限公司 | A soil restoration particle and a preparing and using method thereof |
| CN107459096A (en) * | 2017-09-29 | 2017-12-12 | 长沙理工大学 | A kind of method of gill fungus bacterium matrix activated carbon adsorbent processing cadmium wastewater |
| CN108046854A (en) * | 2018-01-06 | 2018-05-18 | 天津大学 | Mushroom bran for heavy metal adsorption-bacterial manure fermentation recycles coupling device and method |
| CN109748350A (en) * | 2018-12-11 | 2019-05-14 | 广州普邦园林股份有限公司 | The adsorbent and restorative procedure of one heavy metal species and polycyclic aromatic hydrocarbons contaminated water body |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284700A (en) * | 2008-04-11 | 2008-10-15 | 四川大学 | Treatment of heavy metal and organic matter in water with bio- adsorbent prepared from mushroom |
-
2012
- 2012-05-18 CN CN2012101543256A patent/CN102674496A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284700A (en) * | 2008-04-11 | 2008-10-15 | 四川大学 | Treatment of heavy metal and organic matter in water with bio- adsorbent prepared from mushroom |
Non-Patent Citations (1)
| Title |
|---|
| 王有基等: "环境内分泌干扰物对鱼类影响的研究进展", 《渔业现代化》, no. 3, 31 December 2006 (2006-12-31) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876759A (en) * | 2014-02-27 | 2015-09-02 | 哈尔滨金田农业科技有限公司 | A soil restoration particle and a preparing and using method thereof |
| CN107459096A (en) * | 2017-09-29 | 2017-12-12 | 长沙理工大学 | A kind of method of gill fungus bacterium matrix activated carbon adsorbent processing cadmium wastewater |
| CN108046854A (en) * | 2018-01-06 | 2018-05-18 | 天津大学 | Mushroom bran for heavy metal adsorption-bacterial manure fermentation recycles coupling device and method |
| CN109748350A (en) * | 2018-12-11 | 2019-05-14 | 广州普邦园林股份有限公司 | The adsorbent and restorative procedure of one heavy metal species and polycyclic aromatic hydrocarbons contaminated water body |
| CN109748350B (en) * | 2018-12-11 | 2022-03-01 | 广州普邦园林股份有限公司 | Adsorbent for heavy metal and polycyclic aromatic hydrocarbon polluted water body and remediation method |
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Application publication date: 20120919 |