CN1799367A - Method for inhibiting algae growth by reed - Google Patents

Method for inhibiting algae growth by reed Download PDF

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Publication number
CN1799367A
CN1799367A CN 200510135483 CN200510135483A CN1799367A CN 1799367 A CN1799367 A CN 1799367A CN 200510135483 CN200510135483 CN 200510135483 CN 200510135483 A CN200510135483 A CN 200510135483A CN 1799367 A CN1799367 A CN 1799367A
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China
Prior art keywords
reed
algae
water
milliliter
days
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CN 200510135483
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Chinese (zh)
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CN1326461C (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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Publication of CN1326461C publication Critical patent/CN1326461C/en
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Abstract

A method of inhibiting algae growth by using reed, belonging to water treating field, binding the reed plants or preparing reed powder, then loading to the nylon pocket, putting to the pretreated water body to inhibit the algae growth in water; after the algae growth is inhibited, getting the nylon basket out of water to prevent second pollution. The method is characterized by the good effect of algae inhibiting, low price of the material, ease to get, control, and ecological safety.

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 algae density only is 7% of control group after 5 days, 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
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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 true CN1799367A (en) 2006-07-12
CN1326461C CN1326461C (en) 2007-07-18

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Cited By (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

Cited By (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

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