CN1326461C - Method for inhibiting algae growth by reed - Google Patents

Method for inhibiting algae growth by reed Download PDF

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Publication number
CN1326461C
CN1326461C CNB2005101354837A CN200510135483A CN1326461C CN 1326461 C CN1326461 C CN 1326461C CN B2005101354837 A CNB2005101354837 A CN B2005101354837A CN 200510135483 A CN200510135483 A CN 200510135483A CN 1326461 C CN1326461 C CN 1326461C
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algae
reed
water
inhibiting
reeds
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Expired - Fee Related
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CNB2005101354837A
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Chinese (zh)
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CN1799367A (en
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胡洪营
李锋民
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Tsinghua University
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Tsinghua University
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Abstract

The present invention relates to a method for inhibiting algae growth by reeds, which belongs to the field of water treatment. The present invention discloses a method for inhibiting algae growth by taking reeds as inhibiting material for algae, namely that tied reed plant sections or nylon bags filled with reed powder are put into water to be processed so as to inhibit the growth of the algae in the water to be processed. After the algae is controlled, the tied reeds or the nylon bags filled with reed powder are taken out of the water to avoid secondary pollution. The method of taking reeds as inhibiting material for algae has the advantages of good algae inhibiting effect, cheap material, easy obtainment, easy control, high ecological safety, etc. The present invention can be used for inhibiting the algae growth in natural water or manual water, such as lakes, water reservoirs, rivers, park landscape water, family landscape water, or family fish ponds, fish bowls, etc.

Description

Utilize reed to suppress the method for algal grown
Present patent application is dividing an application of former patent application " reed suppresses the application of material as algae " (applying date being on November 7th, 2003, and application number is 200310103192.0).
Technical field
The invention belongs to water treatment field, relate in particular to a kind of new method of natural water harmful algae control.
Background technology
Body eutrophication is the main cause of water environment degradation.Eutrophication water causes algal grown, makes functions such as water body forfeiture industrial or agricultural utilization, view, breed.Existing algal control technology mainly is to utilize copper ion (Cu 2+) weed killer herbicide etc. kills algae.But copper ion can not be degraded in water body, can in the ecosystem, transmit by food chain, and the high more interior copper ion concentration of organism high more (the biological amplification) of trophic level.If the edible enrichment of people the aquatic animal of copper ion, can be detrimental to health.Weed killer herbicide can be killed other higher plant in the aquatic ecosystem when killing algae, make water ecosystem destroyed, and ecological functions disappear.
Summary of the invention
The objective of the invention is to solve existing algae, to suppress technical security poor, provides that a kind of ecological security is good, economical and efficient, the algae inhibition method that is easy to utilize.
The present invention is by lot of experiments, and filtering out from more than 20 kinds of water plants has remarkable inhibiting reed to algae.Technical scheme of the present invention is to suppress material with reed as algae to suppress algal grown.
Described reed is the reed plant, or the reed each several part, as subterranean stem, root, stem, leaf, flower, fruit and the seed of reed.
Reed as a kind of application method that algae inhibition material suppresses algal grown is: water, ethanol, acetone, ether, chloroform or methyl alcohol lixiviate reed, the extract that obtains is dropped into staying water, to suppress algae grows in the staying water.A kind of scheme is: the per kilogram reed rose the deionized water lixiviate 1-7 days with 1-5, and the extract that obtains is applied in the staying water, and every liter of staying water drops into 10-100 milliliter extract.Another kind of scheme is: the per kilogram reed rose ethanol, acetone, ether, chloroform or methyl alcohol lixiviate 12-48 hour with 1-5, and the extract that obtains is applied in the staying water, and every liter of staying water drops into 10-50 milliliter extract.
Reed suppresses the another kind of application method that material suppresses algal grown as algae: with reed plant section binding back or reed is made powder pack into behind the Nylon Bag, drop into staying water, to suppress algae grows in the staying water: after algae is controlled, reed that bundlees or the Nylon Bag that the reed powder is housed are taken out to avoid secondary pollution from water body.Application scheme is: drop into 3-15 gram reed in per 1 liter of staying water, cultivated 2-10 days, after algae is suppressed in the water body, reed is taken out, the reed after avoiding rotting produces secondary pollution.
Utilizing reed to do alga inhibitor, to have an effect of algae restraint good, the material cheapness, easily obtains, is easy to advantages such as control, ecological security are good.The algae that the present invention can be applied to natural water or artificial water suppresses, as lake, reservoir, river, park landscape water body, family's landscape water body or family's crawl, fish jar etc.
Description of drawings
Fig. 1 is the curve map of reed extract to the algae inhibiting rate.
Embodiment
Below by embodiment the specific embodiment of the present invention is described.
Embodiment 1
0.2 the kilogram reed is filtered after 7 days with the immersion of 400 ml deionized water, filtrate is concentrated into 100 milliliters.Get concentrate 1,2,3,4,5 milliliters add respectively in 200 milliliters of microcystic aeruginosa culture fluids, cultivate after 5 days, and inhibiting rate is respectively 42%, 78%, and 94%, 97%, 99%.
As shown in Figure 1, curve represents to add respectively concentrate 1,2,3,4 in 200 milliliters of algae culture liquid, 5 milliliters, to cultivate after 5 days, and inhibiting rate is respectively 42%, 78%, and 94%, 97%, 99%.Explanation has suppressed algal grown substantially fully in the time of 4 milliliters.
Embodiment 2
1 kilogram of reed after 12 hours, 5 milliliter applies 200 milliliter chlorella culture fluids with the extract that obtains with 2 liters of alcohol extracts, and algae density only is 3% of control group after 5 days, and promptly inhibiting rate is 97%.
1 kilogram of reed after 48 hours, 5 milliliter applies 200 milliliter chlorella culture fluids with the extract that obtains with 2 liters of alcohol extracts, and algae density only is 2.5% of control group after 5 days, and promptly inhibiting rate is 97.5%.
1 kilogram of reed after 12 hours, 5 milliliter applies 200 milliliter chlorella culture fluids with the extract that obtains with 5 liters of alcohol extracts, and algae density only is 21% of control group after 5 days, and promptly inhibiting rate is 79%.
1 kilogram of reed after 48 hours, 5 milliliter applies 200 milliliter chlorella culture fluids with the extract that obtains with 5 liters of alcohol extracts, and algae density only is 18% of control group after 5 days, and promptly inhibiting rate is 82%.
Embodiment 3
15 gram reeds are tied into wisp, put into 3 liters of algae culture liquid, cultivate after 3 days under natural lighting, 25 ℃ of conditions, chlorella density only is 4% of control group, and promptly inhibiting rate is 96%.After algae is suppressed reed is taken out, the reed after avoiding rotting produces secondary pollution.
Embodiment 4
10 gram reed powder are packed in the good Nylon Bag of water penetration, put into 3 liters of algae culture liquid, cultivate after 3 days under natural lighting, 25 ℃ of conditions, chlorella density is 5% of control group, and promptly inhibiting rate is 95%.20 gram reed powder are put into above-mentioned water body, and the same terms was cultivated 3 days, and algae density has reduced by 99%; Reduced by 99.7% after 6 days.After 40 gram reed powder were put into above-mentioned water body, the same terms was cultivated 3 days, and algae density has reduced by 99.9%.After algae is controlled, reed is taken out from water body, avoid producing secondary pollution.If disposable input reed powder is too much in the water body, will dissolve too much organic matter in the water body, black, transparency descends.
Embodiment 5
1 kilogram of reed after 12 hours, 5 milliliter applies 200 milliliter grid algae culturing liquids with the extract that obtains with 2 liters of acetone extractions, and algae density only is 5% of control group after 5 days, and promptly inhibiting rate is 95%.
1 kilogram of reed after 24 hours, 5 milliliter applies 200 milliliter grid algae culturing liquids with the extract that obtains with 2 liters of acetone extractions, and algae density only is 2% of control group after 5 days, and promptly inhibiting rate is 98%.
1 kilogram of reed after 48 hours, 5 milliliter applies 200 milliliter grid algae culturing liquids with the extract that obtains with 2 liters of acetone extractions, and algae density only is 1.5% of control group after 5 days, and promptly inhibiting rate is 98.5%.
1 kilogram of reed after 12 hours, 5 milliliter applies 200 milliliter grid algae culturing liquids with the extract that obtains with 5 liters of acetone extractions, and algae density only is 17% of control group after 5 days, and promptly inhibiting rate is 83%.
1 kilogram of reed after 24 hours, 5 milliliter applies 200 milliliter grid algae culturing liquids with the extract that obtains with 5 liters of acetone extractions, and algae density only is 8% of control group after 5 days, and promptly inhibiting rate is 92%.
1 kilogram of reed after 48 hours, 5 milliliter applies 200 milliliter grid algae culturing liquids with the extract that obtains with 5 liters of acetone extractions, and 5 big back algae density instrument are 7% of control group, and promptly inhibiting rate is 93%.

Claims (1)

1. utilize reed to suppress the method for algal grown, it is characterized in that: with reed plant section binding back or reed is made powder pack into behind the Nylon Bag, drop into staying water, to suppress algae grows in the staying water; After algae is controlled, reed that bundlees or the Nylon Bag that the reed powder is housed are taken out to avoid secondary pollution from water body.
CNB2005101354837A 2003-11-07 2003-11-07 Method for inhibiting algae growth by reed Expired - Fee Related CN1326461C (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CNB2005101354837A CN1326461C (en) 2003-11-07 2003-11-07 Method for inhibiting algae growth by reed

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN 200310103192 Division CN1282612C (en) 2003-11-07 2003-11-07 Application of bulrush as algae inhibiting material

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CN1799367A CN1799367A (en) 2006-07-12
CN1326461C true CN1326461C (en) 2007-07-18

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101623012B (en) * 2009-07-31 2012-08-08 四川大学 Plant leaching solution based compound algistat
CN106946326A (en) * 2017-04-28 2017-07-14 中国海洋大学 A kind of method for suppressing artificial swamp viruses in waste water
CN106966472A (en) * 2017-04-28 2017-07-21 中国海洋大学 A kind of preparation method of sewage bacteriophage inhibitor and application
CN107743984A (en) * 2017-11-21 2018-03-02 常州亚环环保科技有限公司 A kind of preparation method of multi-functional algae-inhibiting agent

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
WaterResearch Everall N C,Lees D R.,269~276,The use of barley.straw to control general and blue.greenalgal growth in a Derbyshire reservoir 1996 *
WaterResearch Everall N C,Lees D R.,269~276,The use of barley.straw to control general and blue.greenalgal growth in a Derbyshire reservoir 1996;农业环境保护 尤作亮,187-189,芦苇塘及其应用问题 1998 *
农业环境保护 尤作亮,187-189,芦苇塘及其应用问题 1998 *

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