CN105174404A - Water quality improvement method in water ecology restoration - Google Patents
Water quality improvement method in water ecology restoration Download PDFInfo
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- CN105174404A CN105174404A CN201510628860.4A CN201510628860A CN105174404A CN 105174404 A CN105174404 A CN 105174404A CN 201510628860 A CN201510628860 A CN 201510628860A CN 105174404 A CN105174404 A CN 105174404A
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Abstract
The invention discloses a water quality improvement method in water ecology restoration. The method includes the steps of intermittently using flocculating agents and/or oxidizing agents for water in the process of the restoring water ecology so that suspension of a water body can be coagulated, conducting sedimentation so that the transparency of the water body can be improved, and using flocculating agents and/or oxidizing agents for the water body as well under the condition that the water body is not clear enough or the transparency is smaller than 0.8 meter. By means of the method, the water quality is improved, the water body can reach a certain requirement for transparency, the light compensation condition required for plant growth of middles of plants at the water depth with the 1.5 times of transparency is met, and growth of aquatic plants is facilitated.
Description
Technical field
The present invention relates to aquatic ecosystem to build and recovery project technical field, be specifically related to a kind of water correction method in Ecological Recovery of Water.
Background technology
Some existing lakes have reached serious rice-nutrient level at present, and alga eruption occurs, its water transparency lower than 0.5 meter, is even in anoxic condition during night.Be not suitable for the survival of aquatic animals and plants.
In the process of carrying out aquatic ecosystem structure (reparation) especially submerged plant planting process in, or because the concentrated of rainwash enters, easily cause water body muddy.And the water body of muddiness causes the light compensation condition needed for plant-growth seriously to lower, have a strong impact on surviving and Effects of Water Quality of plant.
So need to carry out water correction to water body when building aquatic ecosystem.Transparent to improve water body, reduce algae content, promote Plant Light compensation condition.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the method for the water correction in a kind of Ecological Recovery of Water is provided, for improving the transparency of water body.
Consider the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention by the following technical solutions:
A water correction method in Ecological Recovery of Water, it comprises:
In the process of repairing Ecology, be interrupted and flocculation agent and/or oxygenant are used to water body, make the suspension coagulation of water body, then sedimentation, to improve the transparency of water body;
When water body is limpid not or transparency is less than 0.8 meter, also flocculation agent and/or oxygenant are used to water body.
In order to realize the present invention better, further technical scheme is:
According to one embodiment of the invention, described flocculation agent is inorganic flocculating agent or organic floculant.
According to another embodiment of the invention, described inorganic flocculating agent is selected from the one in ferrous sulfate, iron protochloride, alum, polymerize aluminum chloride, aluminium chlorohydroxide, Tai-Ace S 150, calcium chloride.
According to another embodiment of the invention, described organic floculant is selected from the one in sodium polyacrylate, polyacrylamide, poly styrene sulfonate, polyoxyethylene.
According to another embodiment of the invention, described oxygenant adopts unslaked lime or dioxide peroxide.
According to another embodiment of the invention, Sai Shi dish is adopted to survey water transparency, specific as follows:
Without directing light irradiation place, Sai Shi dish is slowly put into water at water body, when disk sink to just cannot see card white time, the record water surface following rope length, namely these data represent water transparency;
Repeated measurement, to reduce error.
According to another embodiment of the invention, before use flocculation agent and/or oxygenant, need the dosage by coagulation test determination flocculation agent and/or oxygenant.
According to another embodiment of the invention, described coagulation test carries out in beaker, comprises rapid stirring, low rate mixing and quiescent settling; The flocculation agent dropped into disperses rapidly through rapid stirring and contacts with the micelle in water sample, and micelle starts to condense and produces micro-floccule; By low rate mixing, micro-floccule contacts with each other further and grows up to larger particle; After stopping stirring, the micelle aggregate of formation relies on gravity natural subsidence to beaker bottom; By the comprehensive evaluation to coagulation effect, as floc settlement, supernatant fluid turbidity, colourity, pH value, oxygen-consumption etc., determine suitable flocculation agent kind and optimum amount thereof.
According to another embodiment of the invention, in water body containing a large amount of algae, oxygenant need be used to carry out bactericidal/algicidal, occur re-using flocculation agent after obvious killed situation until algae, use flocculation agent after 24-48 hour, transparency will reach more than 1 meter.
The present invention can also be:
According to another embodiment of the invention, need properly protect when medicine adds measure, and workmen need wear cap, mouth mask, gloves etc., evenly splashes with the wind; Needing to carry out manual agitation to water body after having splashed makes medicine fully mix with water; Manual agitation uses the oar of ship or water pump to stir, there is larger spray in water body till 0.2-1.5 rice water layer.
Compared with prior art, one of beneficial effect of the present invention is:
Water correction method in a kind of Ecological Recovery of Water of the present invention, improve water quality, the transparency requirement that water body reaches certain can be made, thus meet the light compensation condition in the middle part of plant needed for the plant-growth of transparency 1.5 times of depth of waters, be beneficial to the growth of waterplant.
Accompanying drawing explanation
In order to clearer explanation present specification embodiment or technical scheme of the prior art, below the accompanying drawing used required in the description to embodiment or prior art is briefly described, apparently, the accompanying drawing that the following describes is only the reference to some embodiments in present specification, for those skilled in the art, when not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows Sai Shi dish structural representation according to an embodiment of the invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
The particle suspended in water particle diameter little to a certain extent time, the energy of its pedesis is enough to the effect stoping gravity, and makes particle sedimentation not occur.This suspension can keep steady state for a long time.And suspended particle surface is charged (being usually negative electricity) often, between particle, the repulsion of like charges makes particle not easily merge to become large thus adds the stability of suspension.Can take to be used alone flocculation agent, oxygenant or with the use of.
Inorganic flocculating agent can select ferrous sulfate, iron protochloride, alum, polymerize aluminum chloride, aluminium chlorohydroxide, Tai-Ace S 150, calcium chloride etc.; Organic floculant is polymeric flocculant mainly, and the present embodiment can select sodium polyacrylate, polyacrylamide, poly styrene sulfonate, polyoxyethylene etc.Oxygenant mainly adopts unslaked lime or dioxide peroxide.The medicine that the present embodiment is selected and act on as shown in table 1:
Table 1: Some Drugs explanation
Duration of service (reparation Ecology): the first step that engineering is carried out just will carry out the transparency lifting work of water body, be interrupted and carry out until engineering terminates.The frequency of utilization mainly limpid not or transparency of water body is less than 0.8 meter.
Sai Shi dish is adopted to survey water transparency.As shown in Figure 1, Fig. 1 shows Sai Shi dish structural representation according to an embodiment of the invention, and its Sai Shi dish comprises that rope 1, rope are pitch-dark 2, disk is pitch-dark 3, disk tinned(sheet)iron 4, weight 5.
Sai Shi dish measures water transparency: without directing light irradiation place, Sai Shi dish is slowly put into water (noting observing length mark) at water body.When disk sink to just cannot see card white time, the record water surface following rope length.Namely these data represent water transparency.Repeatedly survey several times, in the hope of accurately.
Need the former water of quantitative collection before using, add medicine carry out lab scale according to the situation of former water, experimentally data determine lake body dosage.
Coagulation test carries out in beaker, comprises rapid stirring, low rate mixing and quiescent settling three steps.The flocculation agent dropped into disperses rapidly through rapid stirring and contacts with the micelle in water sample, and micelle starts to condense and produces micro-floccule; By low rate mixing, micro-floccule contacts with each other further and grows up to larger particle; After stopping stirring, the micelle aggregate of formation relies on gravity natural subsidence to beaker bottom.By the comprehensive evaluation to coagulation effect, if floc settlement is (after adding of agent stirring, there is obvious floss in water, and occur that sediment overstocks layering very soon), supernatant fluid turbidity is less than 25NTU etc., determines suitable flocculation agent kind and optimum amount thereof.
Its concrete evaluation method can be: (1) floc settlement: after adding of agent stirs, whether whether water body occurs obvious flocs unit, whether occurs that sediment overstocks layering, be divided into obvious.The turbidity measuring supernatant liquor is less than 25ntu; (2) water transparency, after flocs unit is by for some time sedimentation, whether transparency obviously increases.
If containing algae such as a large amount of blue-green algaes in water body, oxygenant need be used to carry out bactericidal/algicidal, occur re-using flocculation agent after obvious killed situation until algae.Use flocculation agent after 24-48 hour, transparency will reach more than 1 meter.
Need be properly protected when medicine adds measure, and workmen need wear cap, mouth mask, gloves etc., evenly splashes with the wind.Needing to carry out manual agitation to water body after having splashed makes medicine fully mix with water.Manual agitation uses the oar of ship or water pump to stir, there is larger spray in water body till 0.2-1.5 rice water layer.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, identical similar portion cross-reference between each embodiment.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of and claim open in the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. the water correction method in Ecological Recovery of Water, is characterized in that it comprises:
In the process of repairing Ecology, be interrupted and flocculation agent and/or oxygenant are used to water body, make the suspension coagulation of water body, then sedimentation, to improve the transparency of water body;
When water body is limpid not or transparency is less than 0.8 meter, flocculation agent and/or oxygenant are used to water body.
2. the water correction method in Ecological Recovery of Water according to claim 1, is characterized in that described flocculation agent is inorganic flocculating agent or organic floculant.
3. the water correction method in Ecological Recovery of Water according to claim 2, is characterized in that described inorganic flocculating agent is selected from the one in ferrous sulfate, iron protochloride, alum, polymerize aluminum chloride, aluminium chlorohydroxide, Tai-Ace S 150, calcium chloride.
4. the water correction method in Ecological Recovery of Water according to claim 2, is characterized in that described organic floculant is selected from the one in sodium polyacrylate, polyacrylamide, poly styrene sulfonate, polyoxyethylene.
5. the water correction method in Ecological Recovery of Water according to claim 2, is characterized in that described oxygenant adopts unslaked lime or dioxide peroxide.
6. the water correction method in Ecological Recovery of Water according to claim 1, is characterized in that adopting Sai Shi dish to survey water transparency, specific as follows:
Without directing light irradiation place, Sai Shi dish is slowly put into water at water body, when disk sink to just cannot see card white time, the record water surface following rope length, namely these data represent water transparency;
Repeated measurement, to reduce error.
7. the water correction method in Ecological Recovery of Water according to claim 1, is characterized in that, before use flocculation agent and/or oxygenant, needing the dosage by coagulation test determination flocculation agent and/or oxygenant.
8. the water correction method in Ecological Recovery of Water according to claim 7, is characterized in that described coagulation test carries out in beaker, comprises rapid stirring, low rate mixing and quiescent settling; The flocculation agent dropped into disperses rapidly through rapid stirring and contacts with the micelle in water sample, and micelle starts to condense and produces micro-floccule; By low rate mixing, micro-floccule contacts with each other further and grows up to larger particle; After stopping stirring, the micelle aggregate of formation relies on gravity natural subsidence to beaker bottom; By the comprehensive evaluation to coagulation effect, as floc settlement, supernatant fluid turbidity, colourity, pH value, oxygen-consumption etc., determine suitable flocculation agent kind and optimum amount thereof.
9. the water correction method in Ecological Recovery of Water according to claim 1, when it is characterized in that containing a large amount of algae in water body, oxygenant need be used to carry out bactericidal/algicidal, occur re-using flocculation agent after obvious killed situation until algae, use flocculation agent after 24-48 hour, transparency will reach more than 1 meter.
10. the water correction method in Ecological Recovery of Water according to claim 1, it is characterized in that the measure that need properly protect when medicine adds, workmen need wear cap, mouth mask, gloves etc., evenly splashes with the wind; Needing to carry out manual agitation to water body after having splashed makes medicine fully mix with water; Manual agitation uses the oar of ship or water pump to stir, there is larger spray in water body till 0.2-1.5 rice water layer.
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| CN201510628860.4A CN105174404A (en) | 2015-09-28 | 2015-09-28 | Water quality improvement method in water ecology restoration |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105557581A (en) * | 2015-12-24 | 2016-05-11 | 上海艳紫化工科技有限公司 | Green aquaculture method |
| CN110723873A (en) * | 2019-12-02 | 2020-01-24 | 江苏和而同环境建设有限公司 | River channel ecological water environment remediation method |
| CN113003687A (en) * | 2021-04-19 | 2021-06-22 | 辽宁省生态环境保护科技中心 | Resource ecological treatment method for black and odorous water body |
| CN114455774A (en) * | 2021-12-29 | 2022-05-10 | 河南中汇环保科技有限公司 | Ecological safety flocculant water transparency improving method |
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| CN101333022A (en) * | 2007-09-18 | 2008-12-31 | 唐子林 | Ecological modifying agent for mineral substance water quality |
| CN101880100A (en) * | 2010-07-06 | 2010-11-10 | 中国科学院水生生物研究所 | Water quality improving method by algae control of compound ecological environment-protection algae control agent |
| CN102053140A (en) * | 2009-10-27 | 2011-05-11 | 华中科技大学 | Diagnosis and evaluation method for water quality of eutrophic shallow lake subjected to ecological restoration |
| CN202994775U (en) * | 2012-12-21 | 2013-06-12 | 上海海洋大学 | Portable water depth and transparency measurement meter |
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2015
- 2015-09-28 CN CN201510628860.4A patent/CN105174404A/en active Pending
Patent Citations (4)
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| CN101333022A (en) * | 2007-09-18 | 2008-12-31 | 唐子林 | Ecological modifying agent for mineral substance water quality |
| CN102053140A (en) * | 2009-10-27 | 2011-05-11 | 华中科技大学 | Diagnosis and evaluation method for water quality of eutrophic shallow lake subjected to ecological restoration |
| CN101880100A (en) * | 2010-07-06 | 2010-11-10 | 中国科学院水生生物研究所 | Water quality improving method by algae control of compound ecological environment-protection algae control agent |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105557581A (en) * | 2015-12-24 | 2016-05-11 | 上海艳紫化工科技有限公司 | Green aquaculture method |
| CN110723873A (en) * | 2019-12-02 | 2020-01-24 | 江苏和而同环境建设有限公司 | River channel ecological water environment remediation method |
| CN113003687A (en) * | 2021-04-19 | 2021-06-22 | 辽宁省生态环境保护科技中心 | Resource ecological treatment method for black and odorous water body |
| CN113003687B (en) * | 2021-04-19 | 2022-09-06 | 辽宁省生态环境保护科技中心 | Resource ecological management method for black and odorous water body |
| CN114455774A (en) * | 2021-12-29 | 2022-05-10 | 河南中汇环保科技有限公司 | Ecological safety flocculant water transparency improving method |
| CN114455774B (en) * | 2021-12-29 | 2023-04-18 | 河南中汇环保科技有限公司 | Ecological safety flocculant water transparency improving method |
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Application publication date: 20151223 |