CN102764632A - Biological heavy metal adsorbing and flocculating agent and preparation method thereof - Google Patents
Biological heavy metal adsorbing and flocculating agent and preparation method thereof Download PDFInfo
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- CN102764632A CN102764632A CN2012102314220A CN201210231422A CN102764632A CN 102764632 A CN102764632 A CN 102764632A CN 2012102314220 A CN2012102314220 A CN 2012102314220A CN 201210231422 A CN201210231422 A CN 201210231422A CN 102764632 A CN102764632 A CN 102764632A
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Abstract
The invention provides a biological heavy metal adsorbing and flocculating agent and a preparation method thereof. The adsorbing and flocculating agent consists of the following components in parts by mass: 1 to 2 parts of chitosan, 2 to 3 parts of citric acid, 0.5 to 1 part of ethanol, 1.5 to 3 parts of sophorolipid, and 80 to 150 parts of water. The biological heavy metal adsorbing and flocculating agent has a remarkable chelating effect on heavy metal substances, and can efficiently adsorb and flocculate the heavy metal substances in sewage in sewage treatment, so that the heavy metal substances are thoroughly separated from the heavy metal substances, the treated water does not damage the soil environment in farmland irrigation and does not destroy water in rivers, lakes and the like in direct discharge, production and pollution of harmful algae can be lightened, and the soil environment and the water environment are effectively protected.
Description
Technical field
The present invention relates to a kind of biological heavy metal adhesive flocculant and preparation method thereof, belong to the flocculant technical field.
Background technology
Existing heavy metal adhesive flocculant; Owing to contain various chemical substances and synthetic high polymer material, thereby when waste water, domestic sewage in rural areas by using, city domestic sewage, industrial wastewater and other sewage of farmland discharging are handled, heavy metal substance is remained in the water and be difficult to eliminating; When further using this part water irrigated farmland of handling; Can damage soil environment, and when this part water of discharging, can damage rivers, water body in lake again.Therefore; Be necessary to research and develop a kind of can be in waste water, domestic sewage in rural areas by using, city domestic sewage, industrial wastewater and other sewage process of handling the farmland discharging; Heavy metal substance in the efficient adsorption-flocculation sewage; And it is thoroughly separated with water, finally protect the heavy metal adhesive flocculant of soil environment and water environment.
Summary of the invention
The object of the present invention is to provide a kind of can be in handling various sewage processes, the heavy metal substance in the efficient adsorption-flocculation sewage, the biological heavy metal adhesive flocculant of preserving the ecological environment.
The present invention realizes through following technical proposal: a kind of biological heavy metal adhesive flocculant is characterized in that being made up of the component of following mass parts:
1～2 part of shitosan, 2～3 parts of citric acids,
0.5～1 part of ethanol, 1.5～3 parts of sophorolipids,
80～150 parts in water.
Said shitosan, citric acid, ethanol, sophorolipid are commercial technical grade product.
Another object of the present invention is to provide a kind of preparation method of biological heavy metal adhesive flocculant, it is characterized in that through following each step:
(1) get the raw materials ready by the component of following mass parts:
1～2 part of shitosan, 2～3 parts of citric acids,
0.5～1 part of ethanol, 1.5～3 parts of sophorolipids,
80～150 parts in water;
(2) the part water that step (1) is equipped with is heated to 60～80 ℃; Add citric acid, shitosan successively, and in whipping process, be heated to 80～85 ℃, be no particle transparence until citric acid, shitosan dissolving; Be incubated after 30～35 minutes, adding ethanol stirs and obtains the solution I;
(3) in the water of step (1) remainder, behind the adding sophorolipid, be heated to 80～85 ℃,, get the solution II until the sophorolipid dissolving;
(4) the solution I of combining step (2), (3) and solution II stir, and are cooled to 35～40 ℃, promptly obtain biological heavy metal adhesive flocculant.
Advantage that the present invention possesses and effect: adopt the biological heavy metal adhesive flocculant of above-mentioned acquisition, because heavy metal substance is had significant chelation, therefore; In handling various sewage processes, the heavy metal substance in the efficient adsorption-flocculation sewage of ability, and water is thoroughly separated with heavy metal substance; So that when this part water of handling is used for the irrigated farmland; Can not damage, when directly discharging, can not damage water bodys such as rivers, lakes to soil environment; Soil environment, water environment are effectively protected in the generation and the pollution that can alleviate harmful algae simultaneously.
The specific embodiment
Below in conjunction with embodiment the present invention is further specified.
Embodiment 1
(1) component by following mass parts backs up:
2 parts of shitosans, 2 parts of citric acids,
0.8 part of ethanol, 2 parts of sophorolipids,
100 parts in water;
(2) get the water that 70 parts of steps (1) are equipped with, be heated to 80 ℃, add citric acid, shitosan successively, in whipping process, be heated to 80 ℃, make citric acid, shitosan dissolving be no particle transparence, be incubated after 30 minutes, adding ethanol stirs and obtains the solution I;
(3) in the remaining 30 parts of water of step (1), add sophorolipid, be heated to 80 ℃ and make the sophorolipid dissolving, must get the solution II;
(4) the solution I of combining step (2), (3) and solution II stir, and are cooled to 38 ℃, promptly obtain biological heavy metal adhesive flocculant.
Embodiment 2
(1) component by following mass parts backs up:
1 part of shitosan, 3 parts of citric acids,
0.5 part of ethanol, 3 parts of sophorolipids,
150 parts in water;
(2) get 100 parts of water that step (1) is equipped with, be heated to 70 ℃, add citric acid, shitosan successively; In whipping process, be heated to 82 ℃, make citric acid, shitosan dissolving be no particle transparence, be incubated after 32 minutes; Add ethanol and stir, obtain the solution I;
(3) in the remaining 50 parts of water of step (1), add sophorolipid, be heated to 82 ℃ and make the sophorolipid dissolving, must get the solution II;
(4) the solution I of combining step (2), (3) and solution II stir, and are cooled to 40 ℃, promptly obtain biological heavy metal adhesive flocculant.
Embodiment 3
(1) component by following mass parts backs up:
1.5 parts of shitosans, 2.5 parts of citric acids,
1 part of ethanol, 1.5 parts of sophorolipids,
80 parts in water;
(2) get 60 parts of water that step (1) is equipped with and be heated to 60 ℃, add citric acid, shitosan successively, in whipping process, be heated to 85 ℃, make citric acid, shitosan dissolving be no particle transparence, be incubated after 35 minutes, adding ethanol stirs and obtains the solution I;
(3) in the remaining 20 parts of water of step (1), add sophorolipid, be heated to 85 ℃ and make the sophorolipid dissolving, must get the solution II;
(4) the solution I of combining step (2), (3) and solution II stir, and are cooled to 35 ℃, promptly obtain biological heavy metal adhesive flocculant.
Through contrast test, excellent effect of the present invention is proved below:
1) in A, B two containers, puts into each 1 liter of the rice field waste discharge that cadmium, chromium exceed standard respectively;
2) in the A container, after the pH of adjusting water is 5.5, put into the biological heavy metal adhesive flocculant that 1.5g embodiment 2 provides, after the stirring, heavy metal is adsorbed flocculation back sedimentation, and water is limpid shape, through detecting, does not contain cadmium, chromium in the water;
3) in the B container, regulate and also to stir water, make the pH of water be 5.5 after, the water no change, also no change of cadmium, chromium still exceeds standard in the water.
The result shows: biological heavy metal adhesive flocculant provided by the invention, can significantly remove the middle heavy metal substance that anhydrates.
Claims (2)
1. biological heavy metal adhesive flocculant is characterized in that being made up of the component of following mass parts:
1～2 part of shitosan, 2～3 parts of citric acids,
0.5～1 part of ethanol, 1.5～3 parts of sophorolipids,
80～150 parts in water.
2. the preparation method of the said biological heavy metal adhesive flocculant of claim 1 is characterized in that through following each step:
(1) component by following mass parts backs up:
1～2 part of shitosan, 2～3 parts of citric acids,
0.5～1 part of ethanol, 1.5～3 parts of sophorolipids,
80～150 parts in water;
(2) the part water that step (1) is equipped with is heated to 60～80 ℃; Add citric acid, shitosan successively, and in whipping process, be heated to 80～85 ℃, be no particle transparence until citric acid, shitosan dissolving; Be incubated after 30～35 minutes, adding ethanol stirs and obtains the solution I;
(3) in the water of step (1) remainder, behind the adding sophorolipid, be heated to 80～85 ℃,, get the solution II until the sophorolipid dissolving;
(4) the solution I of combining step (2), (3) and solution II stir, and are cooled to 35～40 ℃, promptly obtain biological heavy metal adhesive flocculant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102314220A CN102764632A (en) | 2012-07-05 | 2012-07-05 | Biological heavy metal adsorbing and flocculating agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102314220A CN102764632A (en) | 2012-07-05 | 2012-07-05 | Biological heavy metal adsorbing and flocculating agent and preparation method thereof |
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| CN102764632A true CN102764632A (en) | 2012-11-07 |
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| CN2012102314220A Pending CN102764632A (en) | 2012-07-05 | 2012-07-05 | Biological heavy metal adsorbing and flocculating agent and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103951767A (en) * | 2014-05-04 | 2014-07-30 | 南京大学 | Preparation method and application of chitosan haze settling agent |
| CN105385452A (en) * | 2015-10-13 | 2016-03-09 | 湖南沛科生态科技有限责任公司 | Repairing chemical agent for reducing cadmium contamination of crops and using method |
| CN109231337A (en) * | 2018-10-09 | 2019-01-18 | 四川农业大学 | Farmland low concentration contains the portable absorbing treatment device of heavy metal containing sewage and processing method |
| CN117486326A (en) * | 2023-11-02 | 2024-02-02 | 安徽萃英兰萌生物科技有限公司 | Novel high-efficiency biological algistat |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648062A (en) * | 2004-12-31 | 2005-08-03 | 西北大学 | Chitin/chitosan water processing flocculating agent and its preparing method |
-
2012
- 2012-07-05 CN CN2012102314220A patent/CN102764632A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648062A (en) * | 2004-12-31 | 2005-08-03 | 西北大学 | Chitin/chitosan water processing flocculating agent and its preparing method |
Non-Patent Citations (1)
| Title |
|---|
| 左晶等: "生物表面活性剂的应用", 《化学工业与工程技术》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103951767A (en) * | 2014-05-04 | 2014-07-30 | 南京大学 | Preparation method and application of chitosan haze settling agent |
| CN103951767B (en) * | 2014-05-04 | 2016-02-03 | 南京大学 | The preparation method of chitosan haze sinking agent and application thereof |
| CN105385452A (en) * | 2015-10-13 | 2016-03-09 | 湖南沛科生态科技有限责任公司 | Repairing chemical agent for reducing cadmium contamination of crops and using method |
| CN105385452B (en) * | 2015-10-13 | 2018-12-18 | 湖南沛科生态科技有限责任公司 | A kind of reparation medicament and application method for reducing crops cadmium pollution |
| CN109231337A (en) * | 2018-10-09 | 2019-01-18 | 四川农业大学 | Farmland low concentration contains the portable absorbing treatment device of heavy metal containing sewage and processing method |
| CN109231337B (en) * | 2018-10-09 | 2024-04-05 | 四川农业大学 | Portable adsorption treatment device and treatment method for farmland low-concentration heavy metal-containing sewage |
| CN117486326A (en) * | 2023-11-02 | 2024-02-02 | 安徽萃英兰萌生物科技有限公司 | Novel high-efficiency biological algistat |
| CN117486326B (en) * | 2023-11-02 | 2024-05-17 | 安徽萃英兰萌生物科技有限公司 | Novel high-efficiency biological algistat |
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Application publication date: 20121107 |