CN109437378A - One Plant Extracts Compound biological flocculant and preparation method thereof - Google Patents
One Plant Extracts Compound biological flocculant and preparation method thereof Download PDFInfo
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- CN109437378A CN109437378A CN201811510733.4A CN201811510733A CN109437378A CN 109437378 A CN109437378 A CN 109437378A CN 201811510733 A CN201811510733 A CN 201811510733A CN 109437378 A CN109437378 A CN 109437378A
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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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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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
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
Abstract
The present invention relates to Plant Extracts Compound biological flocculants and preparation method thereof, in parts by weight, including 3-5 parts of pomegranate rind extract, 6-8 parts of persimmon extract, 3-5 parts of Fructus Cucurbitae moschatae extract, 1-2 parts of Astragalus Root P.E, 20-30 parts of chitosan, 54-62 parts of polyaluminum ferric chloride.The present invention selects plant, adsorbing metal ions, antibacterial plant with flocculation by a large amount of research, by specific extraction process, extracts its flocculation, absorption and antipathogenic composition, its effect is made to reach best.Composite polyaluminum chloride iron on the basis of again can effectively improve effect, shelf-life and the reduction flocculant usage of flocculant of the invention.
Description
Technical field
The present invention relates to Plant Extracts Compound biological flocculants and preparation method thereof, belong to water treatment agent field.
Background technique
Water treatment agent is a kind of important fine chemical product, is had in the purified treatment of trade effluent and sanitary wastewater
Important function.It says the large-scale use of water treatment agent, not only provides a large amount of clean drinking water for the mankind and work, agricultural are used
Water alleviates harm of the polluted water body for environment significantly, while also effectively maintaining the balance of the ecosystem.It is specific and
Speech, water treatment agent are primarily useful for suspended matter, deodorization and discoloration, antibacterial, sterilization, demineralized water in removing water body, reduce scale
It is formed, reduces damage etc. of the raw water to equipment.Therefore, according to its functional character, water treatment agent can be divided into flocculant, sterilization
Agent, antisludging agent, adsorbent and corrosion inhibiter etc..Natural macromolecular material since its is environmental-friendly, renewable, from a wealth of sources, and
It completely disengages the important features such as petroleum resources and is concerned.Structurally, containing largely free in natural polymer subchain
Activity functional groups, on the one hand, itself has good flocculation complexing to the pollutant in water body, on the other hand also suitable
In further chemical modification, therefore natural polymer is that the new and effective multi-functional material for water treatment of substrate exploitation undoubtedly has weight
Big realistic meaning.Natural organic high-molecular flocculant mainly has starch, cellulose family, plant containing glue, polysaccharide and egg
The analog derivatives such as white matter.But natural flocculating agent there are additive amounts it is big, perishable the problems such as.
Summary of the invention
The present invention provides Plant Extracts Compound biological flocculants and preparation method thereof, solve existing plant wadding
Coagulate the problems such as agent additive amount is big, perishable.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
One Plant Extracts Compound biological flocculant, in parts by weight, including 3-5 parts of pomegranate rind extract, persimmon
6-8 parts of extract, 3-5 parts of Fructus Cucurbitae moschatae extract, 1-2 parts of Astragalus Root P.E, 20-30 parts of chitosan, polyaluminum ferric chloride 54-62
Part.
Preferably: the pomegranate rind extract obtains the preparation method is as follows: fresh pomegranate, mashing, add 0.1wt%'s
Pectase, room temperature digest 2-3h, then add 80% ethyl alcohol according to solid-liquid ratio 1ml:3-5ml, and temperature 50-60 degree extracts 6-8h,
Filtering, obtains extracting solution, then adds the active carbon of extracting liquid volume 5%, and 80 degree, then 10min is cooled down, and filters, vacuum concentration
It is dry, both obtain pomegranate rind extract.
Preferably: the preparation method of the persimmon extract: fresh persimmon, mashing, according to the solid-liquid ratio of 1ml:3ml,
Deionized water is added, room temperature leaches 10-12h, and filtering obtains extracting solution, then the active carbon of addition extracting liquid volume 3%, and 80 degree,
Then 10min is cooled down, filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
Preferably: the Fructus Cucurbitae moschatae extract the preparation method is as follows: fresh pumpkin, then 0.3% fruit is added in mashing
Glue enzyme, room temperature extract 4-6h, then add 60% ethyl alcohol according to solid-liquid ratio 1ml:3-5ml, and temperature 50-60 degree extracts 8-10h,
Filtering, obtains extracting solution, then adds the active carbon of extracting liquid volume 5%, and 80 degree, then 10min is cooled down, and filters, vacuum concentration
It is dry, both obtain pomegranate rind extract.
Preferably: the preparation method of the Astragalus Root P.E: Radix Astragali crushes, according to solid-liquid ratio 1g:5ml, addition 80%
Ethyl alcohol extracts 6-8h, and filtering obtains extracting solution, then adds the active carbon of extracting liquid volume 5%, 80 degree, 10min is then cold
But, it filters, is concentrated in vacuo drying, both obtain pomegranate rind extract.
The preparation method of plant extracts Compound biological flocculant of the invention, comprising the following steps:
(1) pomegranate rind extract, persimmon extract, Fructus Cucurbitae moschatae extract and Astragalus Root P.E are uniformly mixed, it is spare；
(2) chitosan is dissolved in deionized water, forms the chitosan solution that chitosan weight content is 20-30%；
(3) mixed raw material in step (1) is added in chitosan solution, 300-400r/min, temperature 60-80 degree
Lower reaction 2-3h；
(4) polyaluminum ferric chloride is dissolved in the solution of step (3), 600-800r/min, is reacted under temperature 90-100 degree
10-15min；
(5) by the solution of step (4) under vacuum 50-60 degree concentration, dry, pulverize, both the compound life of plant extracts
Object flocculant.
Beneficial effects of the present invention:
The present invention selects plant, adsorbing metal ions, antibacterial plant with flocculation by a large amount of research, leads to
Specific extraction process is crossed, its flocculation, absorption and antipathogenic composition is extracted, its effect is made to reach best.It is compound poly- on the basis of again
Aluminium chloride ferrum is closed, effect, shelf-life and the reduction flocculant usage of flocculant of the invention can be effectively improved.
Plant extracts Compound biological flocculant of the invention is combined into its cost using the compound method that heats up twice
New structure, can effectively improve flocculating effect, extend the shelf life.
Specific embodiment
Technical solution of the present invention is clearly and completely described in specific embodiment below, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
The vigor of pectase used in following embodiment is 40,000 U/g.
Embodiment 1
One Plant Extracts Compound biological flocculant, in parts by weight, including 3 parts of pomegranate rind extract, persimmon mention
Take 7 parts of object, 5 parts of Fructus Cucurbitae moschatae extract, 1 part of Astragalus Root P.E, 30 parts of chitosan, 54 parts of polyaluminum ferric chloride.
Pomegranate rind extract obtains the preparation method is as follows: fresh pomegranate, mashing, add the pectase of 0.1wt%, room temperature enzyme
2h is solved, then 80% ethyl alcohol is added according to solid-liquid ratio 1ml:3ml, 50 degree of temperature, extracts 6h, filtering obtains extracting solution, then adds
The active carbon of extracting liquid volume 5%, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of persimmon extract: fresh persimmon, mashing add deionized water according to the solid-liquid ratio of 1ml:3ml,
Room temperature leaches 10h, and filtering obtains extracting solution, then adds the active carbon of extracting liquid volume 3%, and 80 degree, then 10min is cooled down,
Filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
Fructus Cucurbitae moschatae extract the preparation method is as follows: fresh pumpkin, then 0.3% pectase is added in mashing, room temperature is extracted
Then 5h adds 60% ethyl alcohol according to solid-liquid ratio 1ml:5ml, 50 degree of temperature, extracts 8h, filtering obtains extracting solution, and then addition mentions
The active carbon of liquid product 5% is taken, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of Astragalus Root P.E: Radix Astragali crushes, and according to solid-liquid ratio 1g:5ml, adds 80% ethyl alcohol, extracts 6h, mistake
Filter, obtains extracting solution, then adds the active carbon of extracting liquid volume 5%, and 80 degree, then 10min is cooled down, filtering, and vacuum concentration is dry
It is dry, both obtain pomegranate rind extract.
Preparation method, comprising the following steps:
(1) pomegranate rind extract, persimmon extract, Fructus Cucurbitae moschatae extract and Astragalus Root P.E are uniformly mixed, it is spare；
(2) chitosan is dissolved in deionized water, forms the chitosan solution that chitosan weight content is 20%；
(3) mixed raw material in step (1) is added in chitosan solution, 400r/min, 60 degree of temperature lower reactions
3h；
(4) polyaluminum ferric chloride is dissolved in the solution of step (3), 600r/min, 90 degree of temperature lower reaction 15min；
(5) by the solution of step (4) under vacuum 50 degree concentration, dry, pulverize, both plant extracts compound bio wadding
Solidifying agent.
Embodiment 2
One Plant Extracts Compound biological flocculant, in parts by weight, including 4 parts of pomegranate rind extract, persimmon mention
Take 6 parts of object, 4 parts of Fructus Cucurbitae moschatae extract, 1 part of Astragalus Root P.E, 25 parts of chitosan, 60 parts of polyaluminum ferric chloride.
Pomegranate rind extract obtains the preparation method is as follows: fresh pomegranate, mashing, add the pectase of 0.1wt%, room temperature enzyme
2h is solved, then 80% ethyl alcohol is added according to solid-liquid ratio 1ml:4ml, 55 degree of temperature, extracts 7h, filtering obtains extracting solution, then adds
The active carbon of extracting liquid volume 5%, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of persimmon extract: fresh persimmon, mashing add deionized water according to the solid-liquid ratio of 1ml:3ml,
Room temperature leaches 11h, and filtering obtains extracting solution, then adds the active carbon of extracting liquid volume 3%, and 80 degree, then 10min is cooled down,
Filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
Fructus Cucurbitae moschatae extract the preparation method is as follows: fresh pumpkin, then 0.3% pectase is added in mashing, room temperature is extracted
Then 4h adds 60% ethyl alcohol according to solid-liquid ratio 1ml:3ml, 55 degree of temperature, extracts 9h, filtering obtains extracting solution, and then addition mentions
The active carbon of liquid product 5% is taken, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of Astragalus Root P.E: Radix Astragali crushes, and according to solid-liquid ratio 1g:5ml, adds 80% ethyl alcohol, extracts 7h, mistake
Filter, obtains extracting solution, then adds the active carbon of extracting liquid volume 5%, and 80 degree, then 10min is cooled down, filtering, and vacuum concentration is dry
It is dry, both obtain pomegranate rind extract.
Preparation method, comprising the following steps:
(1) pomegranate rind extract, persimmon extract, Fructus Cucurbitae moschatae extract and Astragalus Root P.E are uniformly mixed, it is spare；
(2) chitosan is dissolved in deionized water, forms the chitosan solution that chitosan weight content is 25%；
(3) mixed raw material in step (1) is added in chitosan solution, 300r/min, 70 degree of temperature lower reactions
2h；
(4) polyaluminum ferric chloride is dissolved in the solution of step (3), 700r/min, 95 degree of temperature lower reaction 10min；
(5) by the solution of step (4) under vacuum 55 degree concentration, dry, pulverize, both plant extracts compound bio wadding
Solidifying agent.
Embodiment 3
One Plant Extracts Compound biological flocculant, in parts by weight, including 5 parts of pomegranate rind extract, persimmon mention
Take 8 parts of object, 3 parts of Fructus Cucurbitae moschatae extract, 2 parts of Astragalus Root P.E, 20 parts of chitosan, 62 parts of polyaluminum ferric chloride.
Pomegranate rind extract obtains the preparation method is as follows: fresh pomegranate, mashing, add the pectase of 0.1wt%, room temperature enzyme
3h is solved, then 80% ethyl alcohol is added according to solid-liquid ratio 1ml:5ml, 60 degree of temperature, extracts 8h, filtering obtains extracting solution, then adds
The active carbon of extracting liquid volume 5%, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of persimmon extract: fresh persimmon, mashing add deionized water according to the solid-liquid ratio of 1ml:3ml,
Room temperature leaches 12h, and filtering obtains extracting solution, then adds the active carbon of extracting liquid volume 3%, and 80 degree, then 10min is cooled down,
Filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
Fructus Cucurbitae moschatae extract the preparation method is as follows: fresh pumpkin, then 0.3% pectase is added in mashing, room temperature is extracted
Then 6h adds 60% ethyl alcohol according to solid-liquid ratio 1ml:4ml, 60 degree of temperature, extracts 10h, filtering obtains extracting solution, then adds
The active carbon of extracting liquid volume 5%, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of Astragalus Root P.E: Radix Astragali crushes, and according to solid-liquid ratio 1g:5ml, adds 80% ethyl alcohol, extracts 8h, mistake
Filter, obtains extracting solution, then adds the active carbon of extracting liquid volume 5%, and 80 degree, then 10min is cooled down, filtering, and vacuum concentration is dry
It is dry, both obtain pomegranate rind extract.
Preparation method, comprising the following steps:
(1) pomegranate rind extract, persimmon extract, Fructus Cucurbitae moschatae extract and Astragalus Root P.E are uniformly mixed, it is spare；
(2) chitosan is dissolved in deionized water, forms the chitosan solution that chitosan weight content is 30%；
(3) mixed raw material in step (1) is added in chitosan solution, 300r/min, 80 degree of temperature lower reactions
2h；
(4) polyaluminum ferric chloride is dissolved in the solution of step (3), 800r/min, 100 degree of temperature lower reaction 10min；
(5) by the solution of step (4) under vacuum 60 degree concentration, dry, pulverize, both plant extracts compound bio wadding
Solidifying agent.
Comparative example 1
One Plant Extracts Compound biological flocculant, in parts by weight, including 3 parts of pomegranate rind extract, persimmon mention
Take 7 parts of object, 5 parts of Fructus Cucurbitae moschatae extract, 1 part of Astragalus Root P.E, 30 parts of chitosan, 54 parts of polyaluminum ferric chloride.
Pomegranate rind extract obtains the preparation method is as follows: fresh pomegranate, mashing, add the pectase of 0.1wt%, room temperature enzyme
2h is solved, then 80% ethyl alcohol is added according to solid-liquid ratio 1ml:3ml, 50 degree of temperature, extracts 6h, filtering obtains extracting solution, then adds
The active carbon of extracting liquid volume 5%, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of persimmon extract: fresh persimmon, mashing add deionized water according to the solid-liquid ratio of 1ml:3ml,
Room temperature leaches 10h, and filtering obtains extracting solution, then adds the active carbon of extracting liquid volume 3%, and 80 degree, then 10min is cooled down,
Filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
Fructus Cucurbitae moschatae extract the preparation method is as follows: fresh pumpkin, then 0.3% pectase is added in mashing, room temperature is extracted
Then 5h adds 60% ethyl alcohol according to solid-liquid ratio 1ml:5ml, 50 degree of temperature, extracts 8h, filtering obtains extracting solution, and then addition mentions
The active carbon of liquid product 5% is taken, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of Astragalus Root P.E: Radix Astragali crushes, and according to solid-liquid ratio 1g:5ml, adds 80% ethyl alcohol, extracts 6h, mistake
Filter, obtains extracting solution, then adds the active carbon of extracting liquid volume 5%, and 80 degree, then 10min is cooled down, filtering, and vacuum concentration is dry
It is dry, both obtain pomegranate rind extract.
Preparation method by pomegranate rind extract, persimmon extract, Fructus Cucurbitae moschatae extract, Astragalus Root P.E, chitosan and gathers
It closes aluminium chloride ferrum to be uniformly mixed, both obtains plant extracts Compound biological flocculant.
Comparative example 2
One Plant Extracts Compound biological flocculant, in parts by weight, including 3 parts of pomegranate rind extract, persimmon mention
Take 7 parts of object, 5 parts of Fructus Cucurbitae moschatae extract, 1 part of Astragalus Root P.E and 30 parts of chitosan.
Pomegranate rind extract obtains the preparation method is as follows: fresh pomegranate, mashing, add the pectase of 0.1wt%, room temperature enzyme
2h is solved, then 80% ethyl alcohol is added according to solid-liquid ratio 1ml:3ml, 50 degree of temperature, extracts 6h, filtering obtains extracting solution, then adds
The active carbon of extracting liquid volume 5%, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of persimmon extract: fresh persimmon, mashing add deionized water according to the solid-liquid ratio of 1ml:3ml,
Room temperature leaches 10h, and filtering obtains extracting solution, then adds the active carbon of extracting liquid volume 3%, and 80 degree, then 10min is cooled down,
Filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
Fructus Cucurbitae moschatae extract the preparation method is as follows: fresh pumpkin, then 0.3% pectase is added in mashing, room temperature is extracted
Then 5h adds 60% ethyl alcohol according to solid-liquid ratio 1ml:5ml, 50 degree of temperature, extracts 8h, filtering obtains extracting solution, and then addition mentions
The active carbon of liquid product 5% is taken, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
The preparation method of Astragalus Root P.E: Radix Astragali crushes, and according to solid-liquid ratio 1g:5ml, adds 80% ethyl alcohol, extracts 6h, mistake
Filter, obtains extracting solution, then adds the active carbon of extracting liquid volume 5%, and 80 degree, then 10min is cooled down, filtering, and vacuum concentration is dry
It is dry, both obtain pomegranate rind extract.
Preparation method, comprising the following steps:
(1) pomegranate rind extract, persimmon extract, Fructus Cucurbitae moschatae extract and Astragalus Root P.E are uniformly mixed, it is spare；
(2) chitosan is dissolved in deionized water, forms the chitosan solution that chitosan weight content is 20%；
(3) mixed raw material in step (1) is added in chitosan solution, 400r/min, 60 degree of temperature lower reactions
3h；
(3) by the solution of step (3) under vacuum 50 degree concentration, dry, pulverize, both plant extracts compound bio wadding
Solidifying agent.
Plant extracts Compound biological flocculant performance test:
Certain sewage treatment plant inflow mouth municipal administration combined sewage is taken, original turbidity is about 420NTU, COD 532mg/L, SS
It is 361, pH value 6.5, flocculant additive amount is 3mg/L, and specific data see the table below.
By upper table client, plant extracts Compound biological flocculant of the invention compares polyaluminum ferric chloride and simple plant
Extract composite flocculation agent has apparent advantage in terms of turbidity removal rate, COD removal rate and SS removal rate.
The sealing of flocculant prepared by embodiment 1, comparative example 1 and comparative example 2 is kept in dark place 2 years, measures it within every six months
Performance test specifically see the table below.
As seen from the above table, plant extracts Compound biological flocculant of the invention uses high temperature is compound twice mode can be with
The stability of product is effectively improved, 2 years turbidity removal rates, which reduce 2.33%, COD removal rate, reduces 3.75%, SS removal
Rate reduces 10.09%, is not reduced using the turbidity removal rate of the flocculant of the compound comparative example 1 of high temperature twice
29.53%, COD removal rate, which reduce 29.71%, SS removal rate, reduces 28.67%, not compound using polyaluminum ferric chloride
Flocculant, turbidity removal rate reduces 51.28%, COD removal rate and reduces 48.63%, SS removal rate and reduce
62.99%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a Plant Extracts Compound biological flocculant, it is characterised in that: in parts by weight, including pomegranate rind extract 3-
5 parts, 6-8 parts of persimmon extract, 3-5 parts of Fructus Cucurbitae moschatae extract, 1-2 parts of Astragalus Root P.E, 20-30 parts of chitosan, aluminium polychloride
54-62 parts of iron.
2. Plant Extracts Compound biological flocculant according to claim 1, it is characterised in that: the granatum
Extract obtains the preparation method is as follows: fresh pomegranate, mashing, add the pectase of 0.1wt%, and room temperature digests 2-3h, then presses
It takes care of liquor ratio 1ml:3-5ml and adds 80% ethyl alcohol, temperature 50-60 degree extracts 6-8h, and filtering obtains extracting solution, and then addition is extracted
The active carbon of liquid product 5%, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
3. Plant Extracts Compound biological flocculant according to claim 1, it is characterised in that: the persimmon mentions
Take the preparation method of object: fresh persimmon, mashing add deionized water according to the solid-liquid ratio of 1ml:3ml, and room temperature leaches 10-12h,
Filtering, obtains extracting solution, then adds the active carbon of extracting liquid volume 3%, and 80 degree, then 10min is cooled down, and filters, vacuum concentration
It is dry, both obtain pomegranate rind extract.
4. Plant Extracts Compound biological flocculant according to claim 1, it is characterised in that: the pumpkin mentions
Take object, the preparation method is as follows: then 0.3% pectase is added in fresh pumpkin, mashing, room temperature extracts 4-6h, then according to
Solid-liquid ratio 1ml:3-5ml adds 60% ethyl alcohol, and temperature 50-60 degree extracts 8-10h, and filtering obtains extracting solution, and then addition is extracted
The active carbon of liquid product 5%, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate rind extract.
5. Plant Extracts Compound biological flocculant according to claim 6, it is characterised in that: the Radix Astragali mentions
Take the preparation method of object: Radix Astragali crushes, and according to solid-liquid ratio 1g:5ml, adds 80% ethyl alcohol, extracts 6-8h, and filtering obtains extracting solution,
Then the active carbon of extracting liquid volume 5% is added, 80 degree, then 10min is cooled down, and filtering is concentrated in vacuo drying, both obtains pomegranate
Bark extract.
6. a kind of preparation method of plant extracts Compound biological flocculant as described in any one in claim 1-5, feature
It is: the following steps are included:
(1) pomegranate rind extract, persimmon extract, Fructus Cucurbitae moschatae extract and Astragalus Root P.E are uniformly mixed, it is spare；
(2) chitosan is dissolved in deionized water, forms the chitosan solution that chitosan weight content is 20-30%；
(3) mixed raw material in step (1) is added in chitosan solution, 300-400r/min, it is anti-under temperature 60-80 degree
Answer 2-3h；
(4) polyaluminum ferric chloride is dissolved in the solution of step (3), 600-800r/min, reacts 10- under temperature 90-100 degree
15min；
(5) by the solution of step (4) under vacuum 50-60 degree concentration, dry, pulverize, both plant extracts compound bio wadding
Solidifying agent.
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| CN110894093A (en) * | 2019-12-04 | 2020-03-20 | 青岛大首席科技有限公司 | Plant extract composite bioflocculant and preparation method thereof |
| CN111018067A (en) * | 2019-12-30 | 2020-04-17 | 陆建生 | Preparation method of environment-friendly safe high-efficiency sewage flocculant |
| CN113562902A (en) * | 2021-08-02 | 2021-10-29 | 海南金海浆纸业有限公司 | Papermaking wastewater treating agent and papermaking wastewater treating method thereof |
| WO2022070745A1 (en) * | 2020-10-01 | 2022-04-07 | デクセリアルズ株式会社 | Organic coagulant and method for producing same, and water-cleaning agent and method for producing same |
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