CN112830714A - Bionic stone for coastline ecological restoration and preparation method thereof - Google Patents
Bionic stone for coastline ecological restoration and preparation method thereof Download PDFInfo
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- CN112830714A CN112830714A CN202110325337.XA CN202110325337A CN112830714A CN 112830714 A CN112830714 A CN 112830714A CN 202110325337 A CN202110325337 A CN 202110325337A CN 112830714 A CN112830714 A CN 112830714A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The application relates to the technical field of environmental remediation, and particularly discloses a bionic stone for coastline ecological remediation. The bionic stone is prepared by polymerizing the following raw materials in parts by weight: 70-90 parts of quartz powder; 60-80 parts of agar; 5-10 parts of meat extract; 2-5 parts of a coupling agent; 1-3 parts of a stabilizer; 1-3 parts of an antioxidant; 1-3 parts of petroleum degrading bacteria. The preparation method comprises the following steps: heating and stirring quartz powder and agar to obtain a primary mixture; adding a coupling agent, a stabilizing agent and an antioxidant into the primary mixture, and stirring at high temperature to obtain a secondary mixture; adding the meat extract into the secondary mixture, and stirring to obtain a tertiary mixture; pouring the tertiary mixture into a mould, and cooling and shaping to obtain primary stone; and (5) coating petroleum degrading bacteria on the surface of the primary stone material to obtain the bionic stone for coastline ecological restoration. The bionic stone can be used for coastline ecological restoration, and can degrade petroleum on the coastline.
Description
Technical Field
The application relates to the technical field of environmental remediation, in particular to a bionic stone for coastline ecological remediation and a preparation method thereof.
Background
With the progress of industrialization all over the world, the demand for petroleum resources is increasing. At present, oil spill accidents in the links of oil exploitation, transportation and the like occur frequently around the world, and the oil spill contains toxic organic components, seriously harms the ecological system of the whole ocean and endangers human health due to the biological amplification effect.
Before the spilled oil is brought to the coastline with the wind waves, the spilled oil has undergone various attenuation processes including evaporation, photochemical oxidation and biodegradation, and the physicochemical properties of the oil are greatly changed compared to the initial leakage state. The oil reaching the coastline, whether polluted or harmful, and the difficulty of removal are much greater than those at sea.
Disclosure of Invention
In order to facilitate the removal of oil reaching the coastline, the application provides a bionic stone for coastline ecological restoration and a preparation method thereof.
In a first aspect, the application provides a bionic stone for coastline ecological restoration, which adopts the following technical scheme:
the bionic stone for coastline ecological restoration is prepared by polymerizing the following raw materials in parts by weight:
by adopting the technical scheme, the quartz powder is a hard, wear-resistant and chemically stable silicate mineral, can be used as a forming base material of the bionic stone, and can form the wear-resistant property and hardness of the bionic stone; the agar is used as an adhesive, quartz powder is polymerized on the agar, and then the quartz powder is polymerized into blocks from powder after being molded, and the agar can absorb and fix the meat extract; the meat extract is meat juice prepared by soaking and boiling fresh beef, and contains soluble nitrogenous extract, non-nitrogenous extract and growth factors, so that nutrients can be provided for the petroleum degrading bacteria, and the growth, division and proliferation of the petroleum degrading bacteria are facilitated; the coupling agent is a substance with two functional groups with different properties, namely an inorganophilic group and an organophilic group, and after the coupling agent is added, the quartz powder and the agar are combined more tightly; the stabilizer can improve the combination stability of the agar and the quartz powder, so that the agar and the quartz powder are not easy to be layered when being stirred and dispersed, the elasticity and the tensile strength of the agar are improved, and the formed bionic stone is not easy to collide and damage; the antioxidant can improve the antioxidant capacity of agar, so that the durability of the bionic stone in use is improved; the petroleum degrading bacteria can degrade petroleum, so that the coastline environment is improved, and ecological restoration of the coastline is facilitated.
Preferably, the bionic stone is prepared by polymerizing the following raw materials in parts by weight:
preferably, the agar is 1300mg/cm in strength2The agar of (4).
Preferably, the coupling agent is an aluminate coupling agent.
Preferably, the stabilizer is an organotin stabilizer.
Preferably, the antioxidant is antioxidant 1010.
Preferably, the petroleum degrading bacteria are BDB-n biodegradation bacteria.
In a second aspect, the application provides a preparation method of a bionic stone for coastline ecological restoration, which adopts the following technical scheme:
a preparation method of bionic stone for coastline ecological restoration comprises the following steps:
step (1) placing quartz powder and agar in a stirrer, and stirring at the temperature of 100-;
step (2) adding a coupling agent, a stabilizing agent and an antioxidant into the primary mixture obtained in the step (1), and stirring at the temperature of 150-;
step (3) naturally cooling the secondary mixture obtained in the step (2) to 80-100 ℃ at the rotating speed of 200-;
pouring the tertiary mixture obtained in the step (3) into a mould, and naturally cooling to be shaped to obtain preliminary stone;
and (5) uniformly coating petroleum degrading bacteria on the surface of the primary stone material in the step (4) to obtain the bionic stone for coastline ecological restoration.
By adopting the technical scheme, in the step (1), the quartz powder and the agar are placed at the temperature of 100-200 ℃ for stirring, the agar is further melted, and the quartz powder is uniformly dispersed in the agar by stirring to obtain a primary mixture; in the step (2), adding the coupling agent, the stabilizing agent and the antioxidant into the primary mixture, and stirring at the rotating speed of 600-700r/min to uniformly disperse the coupling agent, the stabilizing agent and the antioxidant into the agar, so as to modify the agar, thereby obtaining a secondary mixture; in the step (3), the secondary mixture is stirred at the rotating speed of 200-; in the step (4), pouring the mixture obtained in the third step into a mould, naturally cooling, and solidifying agar so as to obtain a preliminary stone material after shaping; in the step (5), the petroleum degrading bacteria are coated in the preliminary stone material, and then the petroleum degrading bacteria are inoculated on the agar, so that the bionic stone for coastline ecological restoration is obtained.
Detailed Description
The present application will be described in further detail with reference to examples.
Examples
Examples 1 to 7
TABLE 1 weight parts of raw materials of the biomimetic stones in examples 1-5 of the present application
Examples 1 to 5 aboveIn the raw material of the raw stone, the agar has a strength of 1300mg/cm2The coupling agent is an aluminate coupling agent, the stabilizing agent is an organic tin stabilizing agent, the antioxidant is an antioxidant 1010, and the petroleum degrading bacteria are BDB-n biodegradation bacteria.
The method for preparing the biomimetic stones in the above embodiments 1-5 comprises the following steps:
putting quartz powder and agar into a stirrer, and stirring at the temperature of 150 ℃ at the rotating speed of 600r/min for 12min to obtain a primary mixture;
step (2) adding a coupling agent, a stabilizing agent and an antioxidant into the primary mixture obtained in the step (1), and stirring at the temperature of 170 ℃ and the rotating speed of 650r/min for 7min to obtain a secondary mixture;
step (3) naturally cooling the secondary mixture obtained in the step (2) to 90 ℃ at the rotating speed of 250r/min, adding the meat extract into the secondary mixture, and stirring for 13min at the rotating speed of 450r/min to obtain a tertiary mixture;
pouring the tertiary mixture obtained in the step (3) into a mould, and naturally cooling to be shaped to obtain preliminary stone;
and (5) uniformly coating petroleum degrading bacteria on the surface of the primary stone material in the step (4) to obtain the bionic stone for coastline ecological restoration.
Example 6
The difference between the embodiment 6 and the embodiment 3 is that the preparation method of the embodiment 6 comprises the following steps:
putting quartz powder and agar into a stirrer, and stirring at the temperature of 100 ℃ at the rotating speed of 500r/min for 10min to obtain a primary mixture;
step (2) adding a coupling agent, a stabilizing agent and an antioxidant into the primary mixture obtained in the step (1), and stirring at the temperature of 150 ℃ and the rotating speed of 600r/min for 5min to obtain a secondary mixture;
step (3) naturally cooling the secondary mixture obtained in the step (2) to 80 ℃ at the rotating speed of 200r/min, adding the meat extract into the secondary mixture, and stirring at the rotating speed of 400r/min for 10min to obtain a tertiary mixture;
pouring the tertiary mixture obtained in the step (3) into a mould, and naturally cooling to be shaped to obtain preliminary stone;
and (5) uniformly coating petroleum degrading bacteria on the surface of the primary stone material in the step (4) to obtain the bionic stone for coastline ecological restoration.
Example 7
This example 7 differs from example 3 in that the preparation method of example 7 includes the following steps:
putting quartz powder and agar into a stirrer, and stirring at the temperature of 200 ℃ and the rotating speed of 700r/min for 15min to obtain a primary mixture;
step (2) adding a coupling agent, a stabilizing agent and an antioxidant into the primary mixture obtained in the step (1), and stirring at the temperature of 200 ℃ and the rotating speed of 700r/min for 10min to obtain a secondary mixture;
step (3) naturally cooling the secondary mixture obtained in the step (2) to 100 ℃ at the rotating speed of 300r/min, adding the meat extract into the secondary mixture, and stirring at the rotating speed of 500r/min for 15min to obtain a tertiary mixture;
pouring the tertiary mixture obtained in the step (3) into a mould, and naturally cooling to be shaped to obtain preliminary stone;
and (5) uniformly coating petroleum degrading bacteria on the surface of the primary stone material in the step (4) to obtain the bionic stone for coastline ecological restoration.
Performance test
Test method
The biomimetic stones in examples 1-7 were placed at 25 ℃ in a ventilated environment, 100g of crude petroleum oil was coated on the surface of the biomimetic stones, and the amount of petroleum decomposition after 30 days was calculated. Three blocks of the biomimetic stones were taken for each example and the average amount of decomposition was calculated. The decomposition amount is 100g to 30 days later, and the quality of the residual petroleum raw material is obtained.
TABLE 2 data of the degradation of crude petroleum oils by the biomimetic stones in examples 1-7
As can be seen by combining examples 1-7 and Table 1, the biomimetic stones of the present application have a degrading effect on petroleum.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The bionic stone for coastline ecological restoration is characterized by comprising the following raw materials in parts by weight:
70-90 parts of quartz powder;
60-80 parts of agar;
5-10 parts of meat extract;
2-5 parts of a coupling agent;
1-3 parts of a stabilizer;
1-3 parts of an antioxidant;
1-3 parts of petroleum degrading bacteria.
2. The bionic stone for coastline ecological restoration according to claim 1, wherein the bionic stone is prepared by polymerizing the following raw materials in parts by weight:
75-85 parts of quartz powder;
65-75 parts of agar;
7-9 parts of meat extract;
3-4 parts of a coupling agent;
2-3 parts of a stabilizer;
2-3 parts of an antioxidant;
2-3 parts of petroleum degrading bacteria.
3. The bionic stone for coastline ecological restoration according to claim 2, which is characterized in thatCharacterized in that: the agar has a strength of 1300mg/cm2The agar of (4).
4. The bionic stone for coastline ecological restoration according to claim 2, wherein the bionic stone comprises: the coupling agent is an aluminate coupling agent.
5. The bionic stone for coastline ecological restoration according to claim 2, wherein the bionic stone comprises: the stabilizer is an organic tin stabilizer.
6. The bionic stone for coastline ecological restoration according to claim 2, wherein the bionic stone comprises: the antioxidant is antioxidant 1010.
7. The bionic stone for coastline ecological restoration according to claim 2, wherein the bionic stone comprises: the petroleum degrading bacteria are BDB-n biodegradation bacteria.
8. The method for preparing a biomimetic stone for coastline restoration according to any one of claims 1-7, comprising the steps of:
step (1) placing quartz powder and agar in a stirrer, and stirring at the temperature of 100-;
step (2) adding a coupling agent, a stabilizing agent and an antioxidant into the primary mixture obtained in the step (1), and stirring at the temperature of 150-;
step (3) naturally cooling the secondary mixture obtained in the step (2) to 80-100 ℃ at the rotating speed of 200-;
pouring the tertiary mixture obtained in the step (3) into a mould, and naturally cooling to be shaped to obtain preliminary stone;
and (5) uniformly coating petroleum degrading bacteria on the surface of the primary stone material in the step (4) to obtain the bionic stone for coastline ecological restoration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110325337.XA CN112830714B (en) | 2021-03-26 | 2021-03-26 | Bionic stone for coastline ecological restoration and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110325337.XA CN112830714B (en) | 2021-03-26 | 2021-03-26 | Bionic stone for coastline ecological restoration and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112830714A true CN112830714A (en) | 2021-05-25 |
| CN112830714B CN112830714B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201010561Y (en) * | 2006-12-30 | 2008-01-23 | 杨志文 | Water purifying stone of beneficial microorganism |
| CN101607809A (en) * | 2009-07-22 | 2009-12-23 | 尤为 | Microorganism concrete brick and preparation method thereof |
| CN101823859A (en) * | 2010-04-23 | 2010-09-08 | 尤为 | Light ecological concrete brick and preparation method thereof |
| KR20120025188A (en) * | 2010-09-07 | 2012-03-15 | 주식회사 세기종합환경 | Functional imitation stones and water purification devices having the functional imitation stones |
| CN103086498A (en) * | 2013-01-30 | 2013-05-08 | 广州市大禹环保科技有限公司 | Ecological brick for purifying water |
-
2021
- 2021-03-26 CN CN202110325337.XA patent/CN112830714B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201010561Y (en) * | 2006-12-30 | 2008-01-23 | 杨志文 | Water purifying stone of beneficial microorganism |
| CN101607809A (en) * | 2009-07-22 | 2009-12-23 | 尤为 | Microorganism concrete brick and preparation method thereof |
| CN101823859A (en) * | 2010-04-23 | 2010-09-08 | 尤为 | Light ecological concrete brick and preparation method thereof |
| KR20120025188A (en) * | 2010-09-07 | 2012-03-15 | 주식회사 세기종합환경 | Functional imitation stones and water purification devices having the functional imitation stones |
| CN103086498A (en) * | 2013-01-30 | 2013-05-08 | 广州市大禹环保科技有限公司 | Ecological brick for purifying water |
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| CN112830714B (en) | 2022-03-29 |
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