CN115504578A - Method for activating and recovering submerged plants by algae-dissolving organisms in deep-water lakes and reservoirs - Google Patents
Method for activating and recovering submerged plants by algae-dissolving organisms in deep-water lakes and reservoirs Download PDFInfo
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- CN115504578A CN115504578A CN202211160530.3A CN202211160530A CN115504578A CN 115504578 A CN115504578 A CN 115504578A CN 202211160530 A CN202211160530 A CN 202211160530A CN 115504578 A CN115504578 A CN 115504578A
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- restoring
- submerged plants
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000003213 activating effect Effects 0.000 title claims abstract description 6
- 241000195493 Cryptophyta Species 0.000 claims abstract description 29
- 238000005516 engineering process Methods 0.000 claims abstract description 24
- 241000196324 Embryophyta Species 0.000 claims description 48
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 claims description 28
- 239000003814 drug Substances 0.000 claims description 26
- 229930002875 chlorophyll Natural products 0.000 claims description 18
- 235000019804 chlorophyll Nutrition 0.000 claims description 18
- 229930002868 chlorophyll a Natural products 0.000 claims description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 230000004913 activation Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 230000004083 survival effect Effects 0.000 claims description 6
- 230000036782 biological activation Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 241000722195 Potamogeton Species 0.000 claims description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- 244000113428 Sonchus oleraceus Species 0.000 claims description 3
- 235000006745 Sonchus oleraceus Nutrition 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 235000017281 sodium acetate Nutrition 0.000 claims description 3
- 239000001632 sodium acetate Substances 0.000 claims description 3
- 239000003337 fertilizer Substances 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000012851 eutrophication Methods 0.000 description 6
- 244000005700 microbiome Species 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Abstract
The invention discloses a method for activating and recovering submerged plants by algae-dissolving organisms in deep-water lakes and reservoirs, which belongs to the technical field of environmental protection. The technology is suitable for restoring the submerged plants in the deep lake, effectively solves the technical bottleneck that the submerged plants cannot be restored due to excessive growth of algae, insufficient transparency and the like in the deep lake and reservoir at present, has breakthrough contribution to the development of the industry, and simultaneously has important social and economic benefits and application values.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a submerged plant recovery technology guided by an algae-dissolving biological activation technology, which is suitable for submerged plant recovery in deep-water lakes and reservoirs and related water environment ecological management work (algae control aspect).
Background
China is a country with abundant water resources but seriously insufficient water resources for people, and in addition, water resources in China are unevenly distributed, and especially water resources in super cities such as Shanghai, shenzhen and Chongqing restrict stable operation of the cities to a certain extent. Not only is part of urban water resources in China low, but also the problem of serious water pollution is faced, and particularly, the physical health of residents is directly influenced by excessive algae proliferation caused by the eutrophication problem which greatly influences urban water supply. Algae control has always been an important issue for water supply safety. Except for drinking water source areas, the eutrophication of lakes in China reaches 30 percent, and the problems of ecological degradation, death of aquatic animals and plants and the like caused by the eutrophication are the first major problems of water environment management in China at present.
The first major task of eutrophication control is the control and removal of algae, and in recent decades, various technologies have been invented around the world to implement the control of algae, including physical treatment measures mainly based on extracorporeal circulation, chemical treatment technologies mainly based on medicaments, and ecological treatment technologies such as submerged plants, fish algae control and the like. By observing the effects, the physical technology has larger energy consumption, the chemical technology has secondary pollution, the submerged plant technology is influenced by the reasons of large water depth, insufficient transparency and the like, almost no successful cases exist in deep-water lakes and reservoirs, and the algae control of fishes is influenced by the water flow and is often difficult to form stable fish communities, so the eutrophication control of the current deep-water lakes and reservoirs, particularly the algae low-carbon environmental control technology, is seriously lacked, the urgent requirements of water quality guarantee and eutrophication control of the current deep-water lakes and the development of the ecological safe and green sustainable microbial algae control technology are important strategic significance on the source protection of water and urban safe operation in China.
Disclosure of Invention
Aiming at the technical bottlenecks and actual requirements, the invention provides an ecological restoration technology based on activation of algae inhibiting organisms in deep-water lakes and reservoirs, which stimulates microorganisms, protozotes and zooplankton in a water body through a compound medicament to quickly proliferate the microorganisms, the protozotes and the zooplankton to achieve the aim of controlling algae, so that the transparency and the dissolved oxygen level of the water body are gradually improved, and conditions are created for restoring submerged plants.
The invention provides the following technical scheme, which comprises the following steps:
a method for restoring the submerged plant by the biological activation of algae dissolving in deep water lake or reservoir features that an in-situ biological activating reagent (alpha-Fe) is used, and said reagent is alpha-phase iron sesquioxide (alpha-Fe) 2 O 3 ) Ethyl acetate, melamine and sodium acetate were mixed according to a 1:3:3:3, compounding.
Preferably, the method utilizes the compounded medicament to uniformly spray in the target water body on a sunny day, and at least 72 hours of sunny day after spraying is reserved according to weather forecast.
Preferably, before use, the water body is firstly subjected to qualitative and quantitative detection of chlorophyll a, total phosphorus, transparency and phytoplankton, and the use process parameters are determined according to the detection result.
Preferably, when the chlorophyll in the water body is more than 50 mu g/L, the addition amount of the medicament is 30g/m 3 And two continuous sunny days are selected to be separated by 24 hours, and the usage amount of each time is 15g/m 3 (ii) a Continuously detecting the concentration of chlorophyll a and the transparency of a water body for 6 days after the algae culture medium is used, and when the concentration of chlorophyll is lower than 50 mu g/L and the transparency reaches 1m, considering that the algae control work at the stage is finished; if the transparency of the water body is less than 1m and less than 0.5m, repeating the use amount twice for 24 hours; when the transparency is between 0.5 and 1.0m, the result is observed after waiting for 48 hours.
Preferably, when chlorophyll in the water body is 30-50 mu g/L, the addition amount of the medicament is 24.8g/m 3 And two consecutive sunny days are selected to be separated by 24 hours.
Preferably, when chlorophyll in the water body is 15-30 mug/L, the addition amount of the medicament is 17.65g/m 3 And two consecutive sunny days are selected with an interval of 24 hours.
Preferably, when chlorophyll in the water body is 10-15 mug/L, the addition amount of the medicament is 11.38g/m 3 And two consecutive sunny days are selected with an interval of 24 hours.
Preferably, when chlorophyll in the water body is 5-10 mug/L, the addition amount of the medicament is 5.38g/m 3 And two continuous sunny days are selected to be separated by 24 hours, the transparency does not need to be detected, and the follow-up work can be directly carried out.
Preferably, after the algae control work is finished, the cultivation work of the submerged plants is carried out, and considering that the submerged plants in the deep lake are mainly selected from the group consisting of the common sowthistle herb, the potamogeton malabaricum and the watermifoil, the plant height of which is more than 1.0m, and the mixture ratio is 3:3:4.
preferably, the chemical is added again after the submerged plant is cultivated, and the addition amount of the chemical is 10g/m 3 Adding the fertilizer once every 15 days in summer and once every 30 days in winter until the submerged plants sprout; and continuously monitoring the survival rate of the submerged plant in the period, and when the survival rate of the submerged plant in a unit square meter reaches 95% and the coverage rate is higher than 65%, determining that the submerged plant recovery process technology guided by the algae dissolving technology is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention discloses a nontoxic and pollution-free algae inhibiting biological control method, which has a good control effect and provides a novel technology for the current industry bottleneck that submerged plants in deep water lakes and reservoirs are difficult to recover.
2. The cost of the technology related by the invention is more than 90% lower than that of the existing physical technology and more than 60% lower than that of the chemical technology, and the technology has good economic benefit.
3. The method is not only suitable for algae control and submerged plant restoration in deep lakes and reservoirs, but also suitable for water bodies with daily water exchange capacity not higher than 10% in shallow lakes or urban rivers.
Detailed Description
The invention provides a method for restoring submerged plants by algae-lysing biological activation in deep-water lakes and reservoirs, which is characterized in that in order to make the purposes, technical schemes and advantages of the embodiments of the invention clearer, the technical schemes in the embodiments of the invention are clearly and completely described below by combining with the drawings in the embodiments of the invention, and obviously, the described embodiments are part of the embodiments of the invention, but not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following embodiments, provides an ecological restoration technology based on activation of algae inhibiting organisms in deep water lakes and reservoirs, and realizes stimulation to water microorganisms, protists and zooplankton through a compound medicament to enable the water microorganisms, the protists and the zooplankton to quickly proliferate so as to achieve the aim of controlling algae, thereby gradually improving the transparency and the dissolved oxygen level of the water and creating conditions for restoring submerged plants, and the specific implementation steps are as follows:
(1) Before treatment, qualitative and quantitative detection of chlorophyll a, total phosphorus, transparency and phytoplankton is carried out on a target water body before use, and process parameters are determined according to a detection result.
(2) Looking up weather forecast, uniformly spraying the compounded medicament in a target water body on a sunny day, and at least keeping a sunny day 72 hours after spraying according to the weather forecast.
(3) Preparing a medicament according to the target requirement of the water body to be treated, wherein the reagent is alpha-phase ferric oxide (alpha-Fe) 2 O 3 ) Ethyl acetate, melamine and sodium acetate were mixed according to a 1:3:3:3, compounding.
(4) According to the most important algae quantitative basis of chlorophyll a of the target water body, other water quality indexes are used as comprehensive judgment, and particularly, when the total amount of blue algae in phytoplankton of the water body exceeds 50% of biomass, the method can be determined to be suitable for the water body. The use concentrations determined according to the division of the respective chlorophyll-a concentrations are as follows.
1) When chlorophyll in water body is more than 50 μ g/L, the addition amount of the medicament is 30g/m 3 And two continuous sunny days are selected to be separated by 24 hours, and the dosage of each time is 15g/m 3 . It is used for 6 daysAnd detecting the concentration of chlorophyll a and the transparency of the water body, and when the concentration of the chlorophyll is lower than 50 mu g/L and the transparency reaches 1m, considering that the algae control work at the stage is finished. If the transparency of the water body is less than 1m and less than 0.5m, the using amount is repeated for two times in 24 hours. When the transparency is between 0.5 and 1.0m, the result is observed after waiting for 48 hours.
2) When chlorophyll in the water body is 30-50 mu g/L, the addition amount of the medicament is 24.8g/m 3 And two consecutive sunny days are selected to be separated by 24 hours.
3) When chlorophyll in the water body is 15-30 mug/L, the addition amount of the medicament is 17.65g/m 3 And two consecutive sunny days are selected to be separated by 24 hours.
4) When chlorophyll in the water body is 10-15 mug/L, the addition amount of the medicament is 11.38g/m 3 And two consecutive sunny days are selected with an interval of 24 hours.
5) When chlorophyll in the water body is 5-10 mug/L, the addition amount of the medicament is 5.38g/m 3 And two continuous sunny days are selected to be separated by 24 hours, the transparency does not need to be detected, and subsequent work can be directly carried out.
(5) After the algae control work is finished, the cultivation work of the submerged plants is carried out, considering that the submerged plants in the deep lake are mainly selected from the common sowthistle herb, the potamogeton malabaricum and the watermifoil with the plant height of more than 1.0m, and the mixture ratio is 3:3:4.
(6) Adding the medicament again after the submerged plant is cultivated, wherein the addition amount of the medicament is 10g/m 3 The additive is added every 15 days in summer and is added once in 30 days in winter until the submerged plant sprouts.
(7) And continuously monitoring the survival rate of the submerged plants in the period, and when the survival rate of the submerged plants in unit square meter reaches 95% and the coverage rate is higher than 65%, considering that the submerged plant recovery process technology guided by the algae dissolving technology is completed.
(8) Detecting the chlorophyll a content every other week in 7-9 months of the next year after the submerged plant is recovered, and when the chlorophyll a content is continuously lower than 100 mug/L, the manual intervention can be removed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (10)
1. A method for restoring submerged plants by algae-dissolving biological activation in deep-water lakes and reservoirs is characterized by comprising the following steps: an in-situ biologically activated chemical for restoring the submerged plant, which is alpha-Fe (alpha-Fe) 2 O 3 ) Ethyl acetate, melamine and sodium acetate were mixed according to a ratio of 1:3:3:3, compounding.
2. The method for restoring the submerged plants by the activation of the algae-lysing organisms in the deep-water lakes and reservoirs according to claim 1, wherein the method comprises the following steps: the method utilizes the compounded medicament to select a sunny day to uniformly spray in the target water body, and at least the sunny day of 72 hours after spraying is reserved according to weather forecast.
3. The method for restoring the submerged plants by the activation of the algae-lysing organisms in the deep-water lakes and reservoirs according to claim 2, wherein the method comprises the following steps: before use, the qualitative and quantitative detection of chlorophyll a, total phosphorus, transparency and phytoplankton is carried out on a water body, and the use process parameters are determined according to the detection result.
4. The method for restoring the submerged plants by the activation of the algae-lysing organisms in the deep-water lakes and reservoirs according to claim 3, wherein the method comprises the following steps: when chlorophyll in water body is more than 50 μ g/L, the addition amount of the medicament is 30g/m 3 And two continuous sunny days are selected to be separated by 24 hours, and the usage amount of each time is 15g/m 3 (ii) a It is used for 6 daysContinuously detecting the concentration of chlorophyll a and the transparency of the water body, and when the concentration of chlorophyll is lower than 50 mug/L and the transparency reaches 1m, considering that the algae control work at the stage is finished; if the transparency of the water body is less than 1m and less than 0.5m, repeating the use amount twice for 24 hours; when the transparency is between 0.5 and 1.0m, the result is observed after waiting for 48 hours.
5. The method for restoring the submerged plants by the activation of the algae-lysing organisms in the deep-water lakes and reservoirs according to claim 3, wherein the method comprises the following steps: when the chlorophyll in the water body is 30-50 mug/L, the addition amount of the medicament is 24.8g/m 3 And two consecutive sunny days are selected to be separated by 24 hours.
6. The method for activating and restoring the submerged plants by the algae-lysing organisms in the deep-water lakes and reservoirs according to the claim 3, wherein the method comprises the following steps: when chlorophyll in the water body is 15-30 mug/L, the addition amount of the medicament is 17.65g/m 3 And two consecutive sunny days are selected to be separated by 24 hours.
7. The method for activating and restoring the submerged plants by the algae-lysing organisms in the deep-water lakes and reservoirs according to the claim 3, wherein the method comprises the following steps: when chlorophyll in the water body is 10-15 mug/L, the addition amount of the medicament is 11.38g/m 3 And two consecutive sunny days are selected with an interval of 24 hours.
8. The method for restoring the submerged plants by the activation of the algae-lysing organisms in the deep-water lakes and reservoirs according to claim 3, wherein the method comprises the following steps: when chlorophyll in the water body is 5-10 mug/L, the addition amount of the medicament is 5.38g/m 3 And two continuous sunny days are selected to be separated by 24 hours, the transparency does not need to be detected, and the follow-up work can be directly carried out.
9. The method for restoring the submerged plants by the activation of the algae-lysing organisms in the deep-water lakes and reservoirs according to claim 4, wherein the method comprises the following steps: after algae control work is finished, submerged plant cultivation work is carried out, considering that the deep lake submerged plants are mainly selected from the group consisting of common sowthistle herb, potamogeton malacophylla and watermifoil with the plant height of more than 1.0m, and the proportion is 3:3:4.
10. the method for activating and restoring submerged plants by algae-lysing organisms in deep-water lakes and reservoirs according to claim 9, wherein: adding the medicament again after the submerged plant is cultivated, wherein the addition amount of the medicament is 10g/m 3 Adding the fertilizer once every 15 days in summer and once every 30 days in winter until the submerged plants sprout; and continuously monitoring the survival rate of the submerged plant in the period, and when the survival rate of the submerged plant in a unit square meter reaches 95% and the coverage rate is higher than 65%, determining that the submerged plant recovery process technology guided by the algae dissolving technology is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211160530.3A CN115504578A (en) | 2022-09-22 | 2022-09-22 | Method for activating and recovering submerged plants by algae-dissolving organisms in deep-water lakes and reservoirs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211160530.3A CN115504578A (en) | 2022-09-22 | 2022-09-22 | Method for activating and recovering submerged plants by algae-dissolving organisms in deep-water lakes and reservoirs |
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| CN115504578A true CN115504578A (en) | 2022-12-23 |
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| CN202211160530.3A Pending CN115504578A (en) | 2022-09-22 | 2022-09-22 | Method for activating and recovering submerged plants by algae-dissolving organisms in deep-water lakes and reservoirs |
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2022
- 2022-09-22 CN CN202211160530.3A patent/CN115504578A/en active Pending
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Application publication date: 20221223 |