CN104843854A - Integrated ecologic trench waste water aerobic treatment method - Google Patents
Integrated ecologic trench waste water aerobic treatment method Download PDFInfo
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- CN104843854A CN104843854A CN201510258506.7A CN201510258506A CN104843854A CN 104843854 A CN104843854 A CN 104843854A CN 201510258506 A CN201510258506 A CN 201510258506A CN 104843854 A CN104843854 A CN 104843854A
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- trench
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- ecological canal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
An integrated ecologic trench waste water aerobic treatment method comprises the steps of introducing waste water/sewage of a water body of which the nitrogen and phosphorous and organic pollutant is reduced by early pretreatment to a certain standard into an ecologic trench by building the ecologic trench; aerating by using a physical action of the waste water/sewage and the ecologic trench; discharging oxygen by using plant root systems; performing aerobic microorganism degradation by using microorganism of matrixes of the ecologic trench; using actions of the matrixes of different layers of the ecologic trench to perform absorption removal treatment; using an absorption action of plants with large biomass to realize further treatment of the waste water. Three layers of matrixes are paved on the surface of the ecologic trench; the lowermost layer, namely the third matrix layer (5) is cobble; the middle layer namely the second matrix layer (4) is zeolite; the uppermost layer, namely the first matrix layer (3) is of fine sand particles; herb of alligator alternanthera or watermifoil aquatic plants are planted in the surface layer (1) of the ecologic trench; perennial pennisetum hydridum and garden sorrel or aspen fast growing tree species are planted at trench edges (2) at two sides of the ecologic trench.
Description
Technical field
The present invention relates to a kind of integration ecological canal waste water aerobic treatment process, belong to technical field of waste water processing.
Background technology
Wastewater/sewage pollutes and brings direct or indirect negative impact to the life of people production, and along with the development of industrial or agricultural, the degree of water pollution presents more serious trend, causes shortage of water resources, water body deterioration etc.The research and development of wastewater/sewage treatment process and method is in continuous advance process always, according to dissimilar and waste water that is character, generally adopts Physical, chemical method and biological process, or kinds of processes Combination application.Along with the continuous research and development of wastewater/sewage treatment technology, artificial swamp wastewater/sewage treatment technology is also constantly carrying out Innovation and development, traditional artificial wetland process and technology, and its limitation highlights.
Make full use of physical features advantage, processing various wastewater/sewage is one of the research direction and engineering optimal selection that artificial wetland treatment wastewater/sewage technological process control is selected.Current application is artificial swamp (vertical current constructed wetland, drowned flow artificial wet land, surface current artificial wetland) widely, floor space is large, land wastage is serious, wastewater/sewage treatment technology is comparatively single, and the nitrogen phosphorus namely in matrix adsorbed water body and wetland plant absorb nitrogen phosphorus in water body and organic pollutant.
Summary of the invention
The object of the invention is, in order to solve the difficult problem that Traditional Man wetland floor space is large, wastewater/sewage treatment technology is single, efficiency is not high, the present invention proposes a kind of integration ecological canal waste water aerobic treatment process, realizes the organic unity of waste water aerobic treatment technology and the dark treatment technology of ecology.
Realize technical scheme of the present invention as follows: integration ecological canal waste water aerobic treatment process of the present invention, by building ecological canal, the wastewater/sewage being reduced to certain standard through pre-treatment in early stage, the nitrogen phosphorus of water body and the content of Organic pollutants material is introduced ecological canal; Utilize the physical action oxygenation of wastewater/sewage and ecological canal; Root system of plant is utilized to secrete oxygen; Utilize the microorganism growth environment of ecological canal matrix to carry out aerobic degradation; Utilize the work of ecological canal different layers matrix in order to carry out Adsorption process; Utilize the sorption of mcroorganism amount plant to realize wastewater deepening process; Realize the aerobic treatment to waste water.
Described method is transformed ecological canal, and by trench sludge removal, spread three layers of matrix, orlop at the bottom of trench, namely the 3rd hypothallus is pebbles; Middle layer, namely the second hypothallus is zeolite; One deck topmost, namely the first hypothallus is fine sand grain; Waterplant such as the plantation of irrigation canals and ditches top layer alternanthera philoxeroides or watermifoil etc.
The perennial huge bacterium grass of ecological canal limit, canal both sides plantation and the quick growing species of trees such as garden sorrel (wild spinach) or willow.
By after the pre-treatment in early stage, the wastewater/sewage that the content of the pollution substances such as the nitrogen phosphorus of water body and organism is reduced to certain standard introduces ecological canal.Ecological canal adds the residence time of wastewater/sewage water body, adds the Time and place contacted with air, and in water body, dissolved oxygen increases; By planting plants, root system of plant is secreted oxygen and is formed aerobic environment at rhizosphere, and microbe population and kind increase, and degradation capability strengthens.
The effect spreading three layers of matrix at the bottom of trench is: the fine sand of the first hypothallus mainly tackles the effect of Large stone material, and under the effect of electrostatic force, carries out adsorption to the nitrogen phosphorus in water body and other pollution substance; The zeolite of the second hypothallus mainly utilizes the effect such as electrostatic adhesion and ion-exchange, carries out Adsorption process effect; 3rd hypothallus pebbles mainly provides large microorganism space, and various attached growth of microorganisms breeding, has absorption Degradation, and under the effect of the electrostatic force of pebbles, play Adsorption process.
Due to Radial Oxygen Loss from Root while the nutritive substances such as the waterplant such as alternanthera philoxeroides or watermifoil planted by ecological canal, nitrogen absorbed by plant phosphorus, air enters rapidly in water body, adds the content of dissolved oxygen in water body to a great extent.
The wastewater/sewage water body entering channel contacts fully with plant, changes water (flow) direction and flow velocity, because plant exists the speed that slow down water body flow in a large number, increases the water body residence time; Every plant all can changed the direction of a stream of water among a small circle, delays water volume flow rate.Water body is under flow velocity slowly, and the water body residence time increases, and the time of contact oxygen increases; The another one function of plant adds the space that water body contacts with air, adds the contact area of water body and oxygen, play oxic processes; Sewage carries out aerobic nitrification process in ecological canal.
The water body of high-content dissolved oxygen, under the effect of the kinetic energy self had, with matrix (the first layer be fine sand, the second layer be zeolite, the third layer pebbles) dynamic Contact in ecological canal, matrix carries out absorption absorption reaction, and due to the feature of dynamic flow rate water body, matrix not easily blocks.Because matrix is divided into three layers; water body is under physics (interception) effect and water body flow dynamic action of upper strata fine sand and plants on surface; the material that particle diameter in water body is larger can not enter hypothallus, plays defencive function to matrix, effectively solves substrate clogging problem.
When wastewater/sewage water body flows in ecological canal; the plant (perennial huge bacterium grass+quick growing species of trees such as garden sorrel or willow) that the biomass of ecological canal planted on two sides is large; have efficient bio-absorbable nitrogen phosphorus and organic act on simultaneously Radial Oxygen Loss from Root effect under; water body further contacts with air, and wastewater/sewage second time carries out reoxygenation-oxygen enrichment.
Can according to the needs of actual geographic position and process wastewater/sewage, can design one or more snippets ecological canal different in size, single, wastewater/sewage is constantly reoxygenation, aerobic nitrification, matrix absorption, biological and ecological process in the process.
The present invention, by building ecological canal, utilizes the physical action oxygenation of wastewater/sewage and ecological canal; Root system of plant is utilized to secrete oxygen; Utilize the microorganism growth environment of ecological canal matrix to carry out aerobic degradation; Utilize the work of artificial swamp different layers matrix in order to carry out Adsorption process; Utilize the sorption of mcroorganism amount plant to realize wastewater deepening process.Above-mentioned functions is realized integration, formed a kind ofly automatically to run, without the need to the integration ecological canal waste water aerobic treatment process of personal management, it can efficiently process, and waste water, water conditioning are up to standard, Non-energy-consumption, non-secondary pollution.
The invention has the beneficial effects as follows, the innovative artificial swamp that integration ecological canal waste water aerobic treatment process of the present invention provides, overcome conventional manual's wetland and too much rely on matrix absorption and biological treatment, efficiently solve the not enough shortcoming of DO in traditional wetland wastewater/sewage treating processes, by oxygenation abundant with the physical action of trench architectures in direct current process, and root system of plant secretes oxygen effect, increases DO content in wastewater/sewage water body, play the effect of aerobic treatment, improve aerobic nitrification efficiency.
Accompanying drawing explanation
Fig. 1 is integration ecological canal structural representation of the present invention;
In figure, 1 is ecological canal upper layer; 2 is ecological canal two sides; 3 is first hypothalluses; 4 is second hypothalluses; 5 is the 3rd hypothalluses.
Embodiment
The specific embodiment of the present invention as shown in Figure 1.
First the embodiment of the present invention builds ecological canal, and by trench sludge removal, spread three layers of matrix, orlop at the bottom of trench, namely the 3rd hypothallus is pebbles; Middle layer, namely the second hypothallus is zeolite; One deck topmost, namely the first hypothallus is fine sand grain; Waterplant such as the plantation of irrigation canals and ditches top layer alternanthera philoxeroides or watermifoil etc.
The perennial huge bacterium grass of ecological canal limit, canal both sides plantation and the quick growing species of trees such as garden sorrel (wild spinach) or willow.
From the structure iron of Fig. 1, wastewater/sewage is after the pre-treatment through early stage, and the content of the pollution substances such as the nitrogen phosphorus of water body and organism is reduced to certain standard.Ecological waterplant such as canal plantation alternanthera philoxeroides or watermifoil etc., Radial Oxygen Loss from Root while the nutritive substances such as nitrogen absorbed by plant phosphorus, air enters rapidly in water body, adds the content of dissolved oxygen in water body to a great extent.
Water body contacts fully with plant, changes water (flow) direction and flow velocity, and increase the Time and place that water body contacts with air, water body carries out reoxygenation.Water body in ecological canal carries out oxygenation, reaches fully aerobic effect.
The water body of high-content dissolved oxygen, under the effect of the kinetic energy self had, with the matrix high speed contact in ecological canal, matrix carries out quick adsorption reaction, and due to the feature of dynamic flow rate water body, matrix not easily blocks.First hypothallus is fine sand, and the second hypothallus is zeolite, and the 3rd hypothallus is pebbles.
When water body flows in ecological canal, the plant that the biomass of ecological canal both sides is large, there is efficient bio-absorbable nitrogen phosphorus and organicly act on the content that simultaneously Radial Oxygen Loss from Root increases the dissolved oxygen of water body.The plant of plantation is perennial huge bacterium grass+quick growing species of trees such as garden sorrel or willow.
Wastewater/sewage water body, under the hydrodynamism of gravity flow, with the plant generation physical action on ecological canal surface 1, obtain oxygenation, and under oxygen effect is secreted on surface 1 and both sides 2 root system of plant, further reoxygenation, carries out aerobic treatment; Utilize ecological canal bottom and both sides different substrates, under the effect that water body exchanges, the nitrogen phosphorus in wastewater/sewage and organic pollution materials etc. are by Adsorption process.
According to concrete geographical conditions and wastewater/sewage processing demands, can construction ecological canal different in size, one or more snippets ecological canal artificial swamp single, depths reason is carried out to wastewater/sewage, arrives emission standard.
Claims (5)
1. an integration ecological canal waste water aerobic treatment process, is characterized in that, the wastewater/sewage being reduced to certain standard through pre-treatment in early stage, the nitrogen phosphorus of water body and the content of Organic pollutants material, by building ecological canal, is introduced ecological canal by described method; Utilize the physical action oxygenation of wastewater/sewage and ecological canal; Root system of plant is utilized to secrete oxygen; Utilize the microorganism growth environment of ecological canal matrix to carry out aerobic degradation; Utilize the work of ecological canal different layers matrix in order to carry out Adsorption process; Utilize the sorption of mcroorganism amount plant to realize wastewater deepening process; Realize the aerobic treatment to waste water.
2. integration ecological canal waste water aerobic treatment process according to claim 1, is characterized in that, described ecological canal face spreads three layers of matrix, orlop, and namely the 3rd hypothallus is pebbles; Middle layer, namely the second hypothallus is zeolite; One deck topmost, namely the first hypothallus is fine sand grain; Irrigation canals and ditches top layer plantation alternanthera philoxeroides or watermifoil waterplant; The perennial huge bacterium grass of ecological canal limit, canal both sides plantation and garden sorrel or the willow quick growing species of trees.
3. integration ecological canal waste water aerobic treatment process according to claim 2, it is characterized in that, the fine sand of described first hypothallus mainly tackles the effect of Large stone material, and under the effect of electrostatic force, carries out adsorption to the nitrogen phosphorus in water body and other pollution substance; The zeolite of the second hypothallus mainly utilizes electrostatic adhesion and ion exchange, carries out Adsorption process effect; 3rd hypothallus pebbles mainly provides large microorganism space, and various attached growth of microorganisms breeding, has absorption Degradation, and under the effect of the electrostatic force of pebbles, play Adsorption process.
4. integration ecological canal waste water aerobic treatment process according to claim 2, it is characterized in that, described alternanthera philoxeroides or watermifoil waterplant, for Radial Oxygen Loss from Root while absorbing phosphorus and nitrogen, make air enter rapidly in water body, add the content of dissolved oxygen in water body.
5. integration ecological canal waste water aerobic treatment process according to claim 2; it is characterized in that; described huge bacterium grass and garden sorrel or the willow quick growing species of trees are for absorbed nitrogen phosphorus and organism; under root system of plant secretes oxygen effect simultaneously; water body further contacts with air, and wastewater/sewage second time carries out reoxygenation-oxygen enrichment.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946948A (en) * | 2018-06-27 | 2018-12-07 | 宿州智慧农业研究院 | A method of organic wastewater is administered using lettuce Juncao ecological wetland |
| CN111825208A (en) * | 2020-08-07 | 2020-10-27 | 江苏莲洋港环保科技有限公司 | Multistage aerobic sewage treatment combined process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4894162A (en) * | 1988-04-27 | 1990-01-16 | Ciba-Geigy Corporation | Treatment of volatile organic substances at waste water treatment plants |
| CN1792885A (en) * | 2005-11-18 | 2006-06-28 | 桂林工学院 | Tech., for treating water from city sewage treating plant by zeolite and limestone using artificial wet land |
| CN102167470A (en) * | 2011-01-25 | 2011-08-31 | 浙江工商大学 | Ecological self-maintaining device of landscape water body |
| CN102190376A (en) * | 2011-05-05 | 2011-09-21 | 西安理工大学 | Integrated flow constructed wetland treatment system |
-
2015
- 2015-05-20 CN CN201510258506.7A patent/CN104843854A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4894162A (en) * | 1988-04-27 | 1990-01-16 | Ciba-Geigy Corporation | Treatment of volatile organic substances at waste water treatment plants |
| CN1792885A (en) * | 2005-11-18 | 2006-06-28 | 桂林工学院 | Tech., for treating water from city sewage treating plant by zeolite and limestone using artificial wet land |
| CN102167470A (en) * | 2011-01-25 | 2011-08-31 | 浙江工商大学 | Ecological self-maintaining device of landscape water body |
| CN102190376A (en) * | 2011-05-05 | 2011-09-21 | 西安理工大学 | Integrated flow constructed wetland treatment system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946948A (en) * | 2018-06-27 | 2018-12-07 | 宿州智慧农业研究院 | A method of organic wastewater is administered using lettuce Juncao ecological wetland |
| CN111825208A (en) * | 2020-08-07 | 2020-10-27 | 江苏莲洋港环保科技有限公司 | Multistage aerobic sewage treatment combined process |
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Application publication date: 20150819 |