CN106986431A - A kind of modification shrimp shell preparation method and application that can settle frond - Google Patents
A kind of modification shrimp shell preparation method and application that can settle frond Download PDFInfo
- Publication number
- CN106986431A CN106986431A CN201710424190.3A CN201710424190A CN106986431A CN 106986431 A CN106986431 A CN 106986431A CN 201710424190 A CN201710424190 A CN 201710424190A CN 106986431 A CN106986431 A CN 106986431A
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- Prior art keywords
- shrimp shell
- sodium hydroxide
- frond
- added
- modification
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Classifications
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
It can be used for removing the material modified of blue-green algae and Algae toxins in water body the present invention relates to a kind of.A kind of modification shrimp shell preparation method that can settle frond, prepares sodium hydroxide using sodium hydroxide and shrimp shell and is modified shrimp shell, 1）The sodium hydroxide of 10~70 mass parts is added into the pure water or distilled water of 1 parts by volume；2）The shrimp shell after 15 mass parts drying and crushings is taken, obtained sodium hydrate aqueous solution is slowly added to, magnetic agitation and heating water bath are modified 0.5~2.5h；3）Filtered with filter paper, the shrimp shell being then modified with pure water or distillation water washing is to neutrality, and drying, that is, the sodium hydroxide for being made final is modified shrimp shell.The present invention is modified shrimp shell and prepared using sodium hydroxide can make the material modified of frond sedimentation, and preparation method is simple and easy to do, without extensive process equipment, is easy to operation.Obtained sodium hydroxide, which is modified shrimp shell, can effectively remove algae, moreover it is possible to remove the Algae toxins in water body, the influence to environment is small, does not influence water body attractive in appearance, it is adaptable to remove algae using blue-green algae as the Small-scale Landscape Water Bodies of sociales.
Description
Technical field
It can be used for removing the material modified of blue-green algae and Algae toxins in water body the present invention relates to a kind of, it is adaptable to using blue-green algae to be excellent
The Small-scale Landscape Water Bodies of gesture kind are except the removal of algae and Algae toxins.
Background technology
China be in the world breakout of cyanobacteria blooms most serious, be distributed most extensively and also the country of blue-green alga bloom most species
One.After breakout of cyanobacteria blooms, a large amount of cyanophycean toxins, smell substance can be discharged after the decline of the alga cells of accumulation and other are poisonous
Harmful substance, triggers various derivative pollutions, so as to cause serious harm to ecological environment, or even jeopardizes human and animal's
Health, this turns into a great environmental problem.
Physical, chemical method, bioanalysis etc. can be substantially divided into the administering method of blue-green alga bloom at present.Physical is main
Take diversion or change water（Suitable for the small water body of water）, filtering（Membrane filtration）Absorption（Charcoal absorption）, aeration（Delivery of supplemental oxygen
Gas）Deng measure；Chemical method to water body mainly by delivering chemical agent（As copper sulphate and ferrous sulfate, titanium dioxide bromine, some
Herbicide of broad sense etc.）To control the flourish of algae；Bioanalysis is the allelopathic by means of algae-lysing bacterium, water plant secretion
The filter-feeding fish such as material, animalcule, silver carp and the bighead of filter food algae controls algae to the collective effect of algae so as to reach
The purpose of class growth.But these methods have the shortcomings that its is intrinsic.
Therefore, further develop simple to operate, quick and very necessary to the small algae-removing method of environmental perturbation.
The content of the invention
The present invention is in view of the shortcomings of the prior art, propose one kind using sodium hydroxide, shrimp shell as raw material, making is removed in water body
Blue-green algae and the material modified preparation method of Algae toxins, for except algae, quickly and without stirring.
The technical solution adopted by the present invention：
A kind of modification shrimp shell preparation method that can settle frond, using sodium hydroxide and shrimp shell, prepares sodium hydroxide and is modified shrimp
Shell, its preparation process is as follows：
1）The sodium hydroxide of 10~70 mass parts is added into the pure water or distilled water of 1 parts by volume, is dissolved, sodium hydroxide is made
The aqueous solution；
2）The shrimp shell after 15 mass parts drying and crushings is taken, obtained sodium hydrate aqueous solution is slowly added to, then by magnetic agitation
0.5~2.5h is modified with heating water bath；
3）Filtered with filter paper, the shrimp shell being then modified with pure water or distillation water washing is to neutrality, and drying is made final hydrogen
Sodium oxide molybdena is modified shrimp shell；
The parts by volume unit is in terms of L, and mass parts unit is in terms of g.
Described can make the modification shrimp shell preparation method that frond is settled, and water bath heating temperature is 40~90 DEG C, drying temperature
40~70 DEG C.
Described can make the modification shrimp shell preparation method that frond is settled, and obtained sodium hydroxide is modified shrimp shell, for indigo plant
Algae removes algae for the Small-scale Landscape Water Bodies of sociales.
Described can make the modification shrimp shell preparation method that frond is settled, and obtained sodium hydroxide is modified shrimp shell, for indigo plant
Algae removes Algae toxins for the Small-scale Landscape Water Bodies of sociales.
Beneficial effects of the present invention：
1st, the present invention is modified shrimp shell and prepared using sodium hydroxide can make the material modified of frond sedimentation, and preparation method is simple and easy to do,
Without extensive process equipment, it is easy to operation.Obtained sodium hydroxide, which is modified shrimp shell, can effectively remove algae, frond can be made to be deposited to water
Body bottom, the influence to environment is small, and water body is limpid, does not influence water body attractive in appearance, it is adaptable to the small-sized landscape by sociales of blue-green algae
Water body removes algae.
2nd, the present invention can make the modification shrimp shell preparation method that frond is settled, and obtained sodium hydroxide, which is modified shrimp shell, to be made
Frond is deposited to water bottom, moreover it is possible to remove the Algae toxins in water body.
3rd, the present invention can make the modification shrimp shell preparation method that frond is settled, and prepare sodium hydroxide and be modified shrimp shell, economic and environment-friendly,
Simultaneously new approach is provided for the recycling of shrimp shell.
Embodiment
Below by embodiment, technical scheme is described in further detail.
Embodiment 1
The present invention can make the modification shrimp shell preparation method that frond is settled, and preparing sodium hydroxide using sodium hydroxide and shrimp shell is modified shrimp
The process of shell is as follows：
1）The sodium hydroxide of 10~70 mass parts is added into the pure water or distilled water of 1 parts by volume, is dissolved, sodium hydroxide is made
The aqueous solution；
2）The shrimp shell after 15 mass parts drying and crushings is taken, obtained sodium hydrate aqueous solution is slowly added to, then by magnetic agitation
0.5~2.5h is modified with heating water bath；
3）Filtered with filter paper, the shrimp shell being then modified with pure water or distillation water washing is to neutrality, and drying is made final hydrogen
Sodium oxide molybdena is modified shrimp shell；
The parts by volume unit is in terms of L, and mass parts unit is in terms of g.
Embodiment 2
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：The pure water of 1 parts by volume
Or the sodium hydroxide of 10~20 mass parts is added in distilled water, then add the shrimp shell after drying and crushing.
Embodiment 3
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：The pure water of 1 parts by volume
Or the sodium hydroxide of 20~30 mass parts is added in distilled water, then add the shrimp shell after drying and crushing.
Embodiment 4
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：The pure water of 1 parts by volume
Or the sodium hydroxide of 30~40 mass parts is added in distilled water, then add the shrimp shell after drying and crushing.
Embodiment 5
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：The pure water of 1 parts by volume
Or the sodium hydroxide of 40~50 mass parts is added in distilled water, then add the shrimp shell after drying and crushing.
Embodiment 6
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：The pure water of 1 parts by volume
Or the sodium hydroxide of 50~60 mass parts is added in distilled water, then add the shrimp shell after drying and crushing.
Embodiment 7
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：The pure water of 1 parts by volume
Or the sodium hydroxide of 60~70 mass parts is added in distilled water, then add the shrimp shell after drying and crushing.
Embodiment 8
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：By 10~70 mass parts
Sodium hydroxide is slowly added to the shrimp shell after 15 mass parts drying and crushings after being dissolved with pure water or distilled water, then by magnetic agitation
It is modified after 0.5~2.5h and is filtered with filter paper with 40~90 DEG C of heating water baths, the shrimp being modified with pure water or distillation water washing
Shell is made final sodium hydroxide to neutrality, after 65 DEG C of drying and is modified shrimp shell.
During for except algae, the calcium hydroxide that 8~32 mass parts are added in the water body of the algae pollution of 1 parts by volume is modified shrimp shell,
Parts by volume unit is in terms of L, and mass parts unit is in terms of g.
Embodiment 9
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：When preparing material modified
When, the dosage of sodium hydroxide is 10~40 parts in the pure water or distilled water of 1 parts by volume.
Embodiment 10
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：When preparing material modified
When, the dosage of sodium hydroxide is 40~70 parts in the pure water or distilled water of 1 parts by volume.
Embodiment 11
The present embodiment can make the modification shrimp shell preparation method that frond is settled, as different from Example 1：The pure water of 1 parts by volume
Or the dosage of sodium hydroxide is 30~50 parts in distilled water.
Embodiment 12
The present embodiment can make the modification shrimp shell preparation method that frond is settled, and unlike foregoing embodiments：Heating water bath temperature
Spend for 40~70 DEG C, 1~2.5h of modification time, 40~70 DEG C of drying temperature.
Embodiment 13
The present embodiment can make the modification shrimp shell preparation method that frond is settled, and unlike foregoing embodiments：Heating water bath temperature
Spend for 70~90 DEG C, 0.5~1.5h of modification time, 40~70 DEG C of drying temperature.
The sodium hydroxide that the present invention can settle frond is modified shrimp shell, can not only make frond sedimentation to go algae in water removal,
The Algae toxins in water body can also be removed.With reference to the result of study in laboratory, the present invention is further described.
Experiment 1
By 2g sodium hydroxide with being slowly added to the shrimp shell after 15g drying and crushings after 200mL dissolved in purified water, then by magnetic force
Stirring and 70 DEG C of heating water baths are modified after 1.5h to be filtered with filter paper, with the modified shrimp shell of pure washing to neutrality, 65 DEG C of bakings
Final sodium hydroxide is made after dry and is modified shrimp shell.Absorbance is 0.1 microcystic aeruginosa algae solution at 680nm wavelength
Sodium hydroxide is added in 50mL and is modified shrimp shell 1.0g, 24h is stood, algae is deposited to the bottom, and water body is limpid, detects it to frustule
Clearance be 42.9%.
Experiment 2
By 5g sodium hydroxide with being slowly added to the shrimp shell after 15g drying and crushings after 200mL dissolved in purified water, then by magnetic force
Stirring and 70 DEG C of heating water baths are modified after 2.0h to be filtered with filter paper, with the modified shrimp shell of pure washing to neutrality, 65 DEG C of bakings
Final sodium hydroxide is made after dry and is modified shrimp shell.Absorbance is 0.1 microcystic aeruginosa algae solution at 680nm wavelength
Sodium hydroxide is added in 50mL and is modified shrimp shell 1.0g, 24h is stood, algae is deposited to the bottom, and water body is limpid, detects it to frustule
Clearance be 59.1%.
Experiment 3
By 5g sodium hydroxide with being slowly added to the shrimp shell after 15g drying and crushings after 200mL dissolved in purified water, then by magnetic force
Stirring and 60 DEG C of heating water baths are modified after 1.5h to be filtered with filter paper, with the modified shrimp shell of pure washing to neutrality, 65 DEG C of bakings
Final sodium hydroxide is made after dry and is modified shrimp shell.Absorbance is 0.1 microcystic aeruginosa algae solution at 680nm wavelength
Sodium hydroxide is added in 50mL and is modified shrimp shell 1.0g, 24h is stood, algae is deposited to the bottom, and water body is limpid, detects it to frustule
Clearance be 70.6%.
Experiment 4
By 5g sodium hydroxide with being slowly added to the shrimp shell after 15g drying and crushings after 200mL dissolved in purified water, then by magnetic force
Stirring and 60 DEG C of heating water baths are modified after 1.5h to be filtered with filter paper, with the modified shrimp shell of pure washing to neutrality, 65 DEG C of bakings
Final sodium hydroxide is made after dry and is modified shrimp shell.It is up in Algae toxins initial concentration in 1mg/L water body, sodium hydroxide changes
Property when adding concentration for 10g/L of shrimp shell, the clearances of Algae toxins is 46.38%.
Claims (10)
1. a kind of modification shrimp shell preparation method that can settle frond, using sodium hydroxide and shrimp shell, prepares sodium hydroxide modification
Shrimp shell, it is characterised in that：
1）The sodium hydroxide of 10~70 mass parts is added into the pure water or distilled water of 1 parts by volume, is dissolved, sodium hydroxide is made
The aqueous solution；
2）The shrimp shell after 15 mass parts drying and crushings is taken, obtained sodium hydrate aqueous solution is slowly added to, then by magnetic agitation
0.5~2.5h is modified with heating water bath；
3）Filtered with filter paper, the shrimp shell being then modified with pure water or distillation water washing is to neutrality, and drying is made final hydrogen
Sodium oxide molybdena is modified shrimp shell；
The parts by volume unit is in terms of L, and mass parts unit is in terms of g.
2. the modification shrimp shell preparation method according to claim 1 that can settle frond, it is characterised in that：1 parts by volume
The sodium hydroxide of 10~20 mass parts is added in pure water or distilled water, the shrimp shell after drying and crushing is then added.
3. the modification shrimp shell preparation method according to claim 1 that can settle frond, it is characterised in that：1 parts by volume
The sodium hydroxide of 20~30 mass parts is added in pure water or distilled water, the shrimp shell after drying and crushing is then added.
4. the modification shrimp shell preparation method according to claim 1 that can settle frond, it is characterised in that：1 parts by volume
The sodium hydroxide of 30~40 mass parts is added in pure water or distilled water, the shrimp shell after drying and crushing is then added.
5. the modification shrimp shell preparation method according to claim 1 that can settle frond, it is characterised in that：1 parts by volume
The sodium hydroxide of 40~50 mass parts is added in pure water or distilled water, the shrimp shell after drying and crushing is then added.
6. the modification shrimp shell preparation method according to claim 1 that can settle frond, it is characterised in that：1 parts by volume
The sodium hydroxide of 50~60 mass parts is added in pure water or distilled water, the shrimp shell after drying and crushing is then added.
7. the modification shrimp shell preparation method according to claim 1 that can settle frond, it is characterised in that：1 parts by volume
The sodium hydroxide of 60~70 mass parts is added in pure water or distilled water, the shrimp shell after drying and crushing is then added.
8. it can make the modification shrimp shell preparation method that frond is settled according to any one of claim 1~7, it is characterised in that：
Water bath heating temperature is 40~90 DEG C, 40~70 DEG C of drying temperature.
9. can make the modification shrimp shell preparation method that frond is settled described in any one of claim 1~7, obtained sodium hydroxide changes
Property shrimp shell, for the Small-scale Landscape Water Bodies using blue-green algae as sociales remove algae.
10. it can make the modification shrimp shell preparation method that frond is settled, obtained sodium hydroxide described in any one of claim 1~7
Modified shrimp shell, Algae toxins are removed for the Small-scale Landscape Water Bodies using blue-green algae as sociales.
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| CN201710424190.3A CN106986431B (en) | 2017-06-07 | 2017-06-07 | Preparation method and application of modified shrimp shells capable of settling algae |
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| CN201710424190.3A CN106986431B (en) | 2017-06-07 | 2017-06-07 | Preparation method and application of modified shrimp shells capable of settling algae |
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| CN106986431A true CN106986431A (en) | 2017-07-28 |
| CN106986431B CN106986431B (en) | 2020-11-13 |
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| CN1418825A (en) * | 2002-12-12 | 2003-05-21 | 中国科学院生态环境研究中心 | High efficiency algae flooculation agent, method for treating red tide and plakton bloom using same |
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2017
- 2017-06-07 CN CN201710424190.3A patent/CN106986431B/en active Active
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| CN1418825A (en) * | 2002-12-12 | 2003-05-21 | 中国科学院生态环境研究中心 | High efficiency algae flooculation agent, method for treating red tide and plakton bloom using same |
| CN1724402A (en) * | 2005-06-06 | 2006-01-25 | 武汉理工大学 | Environment protection type flocculation agent for treating water and its preparation process |
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