CN102583751B - Application of mirabilis jalapa in purifying livestock and poultry culture biogas slurry - Google Patents
Application of mirabilis jalapa in purifying livestock and poultry culture biogas slurry Download PDFInfo
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- CN102583751B CN102583751B CN201210010301.3A CN201210010301A CN102583751B CN 102583751 B CN102583751 B CN 102583751B CN 201210010301 A CN201210010301 A CN 201210010301A CN 102583751 B CN102583751 B CN 102583751B
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- mirabilis jalapa
- biogas slurry
- wet land
- livestock
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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
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an application of mirabilis jalapa in purifying livestock and poultry culture biogas slurry, and belongs to the field of waste water treatment. The mirabilis jalapa is planted in the livestock and poultry culture biogas slurry polluted environment; and the characteristics that the absorption action of the mirabilis jalapa on polluted substances, such as NH4<+>-N, TN (total nitrogen), TP (total phosphorus), CODcr (Chemical Oxygen Demand Cr) and the like in the livestock and poultry culture biogas slurry, the mirabilis jalapa has tenacious vitality, can be directly planted, does not need special management and is perennial are fully utilized so as to permanently solve the pollution problem of the livestock and poultry culture biogas slurry. The mirabilis jalapa has the advantages of small investment, low operation cost and good effect, is simple to operate and is easy to realize, and the winter purification effect of the artificial wetland system can be guaranteed. The harvested mirabilis jalapa can dispel the wind, invigorate the circulation of blood, and treat stranguria with turbid urine, profuse leucorrhea, pulmonary labor hematemesis, ulcer on the back, acute arthritis, pulmonary labor hemoptysis and the like. When the mirabilis jalapa is used for treating waste water, environment protection and economic construction are combined to embody the sustainable development ideas considering the sewage treatment, ecological restoration and economic construction, and the theoretical research and the practical application are combined.
Description
Technical field
The present invention relates to livestock breeding biogas slurry process field, particularly a kind of application of constructed wetland plant purifying livestock breeding biogas slurry.
Background technology
In recent years; along with the fast development of mass-producing, intensive livestock and poultry breeding industry; the environmental pollution that livestock culture industry is brought is day by day serious, and it all causes great threat to rural drinking water safety, irrigation water, soil, agricultural-food and air quality and Rural Human Settlements.Anaerobic digestion techniques is widely used in the bioenergy exploitation and Pollution abatement of livestock breeding wastewater, effectively can suppress the primary pollution of livestock breeding wastewater; But the natural pond liquid of many scale livestock farming is outer row directly, and cause serious secondary pollution, the ecological purification process of livestock breeding biogas slurry is the only way of the thorough harmless treatment of aquaculture wastewater and recycling.
With regard to current China's aquaculture natural pond liquid water quality situation, simple employing physics, chemistry or bioremediation are all difficult to reach emission request, the technique that multiple treatment process combines need be adopted, but cause waste water treatment process technical requirements high, investment and working cost too high, be difficult to promote the use of.Artificial Wetland Techniques can make up the limitation that existing aquaculture economic capability is limited, lack the technician having certain operation and level of management just, is especially applicable to the plant being located in Rural areas.
Artificial swamp is a kind of novel wastewater processing technology, is build have the comprehensive degradation function of the ecosystem by artificial optimization's simulated wetland system, and can the treatment system of artificial supervision and control.It is the wastewater treatment function for giving full play to Wetlands ecosystems, improves wastewater purifying efficiency and constructing, its sewage purification function be natural bioremediation system incomparable.It is in the maintenance eubiosis, the effect that protection species diversity aspect has it original.The high-efficient purification that it is the physics utilized in the ecosystem, chemistry and biological triple synergies realize sewage, overcome the shortcoming making chemically easily to cause secondary pollution and physical method to cure the symptoms, not the disease in sewage disposal, there is the advantages such as investment is little, treatment effect good, running maintenance is convenient, and there is certain ecoscape effect.Artificial Wetland Techniques obtains long term growth because of the advantage of its uniqueness, especially in wastewater treatment, demonstrates huge development potentiality, one of focus becoming Recent study.Up to the present, there are the plants such as reed, Caulis Miscanthis floriduli, paddy rice, Rhizome of Grass leaf Sweelflag, calamus, Herba Eichhorniae, parasol grass, Rush, swamp cabbage, Wildcelery Herb, Canna generalis Bailey for Treatment Technology of Constructed Wetland, achieve good experiment effect.
But the constructed wetland plant being used in process livestock breeding biogas slurry is very rare.Therefore, develop and can be used for processing the plant variety resource of livestock breeding biogas slurry, to adapt to different areas, the livestock breeding biogas slurry process of different quality just seems and is necessary very much.Meanwhile, existing constructed wetland plant major part tolerance to cold is poor, and winter is easily dead, can not ensure the decontamination effect improving under low temperature environment.Plant after death enters water body, easily causes secondary pollution, affects the decontamination effect improving of wet land system.Further, the plant economic worth of research is lower, and recycle cost higher, economic benefit is not obvious.
Summary of the invention
The object of the invention is to: for above-mentioned existing Artificial Wetland Techniques can be used for purifying livestock breeding biogas slurry floristics inadequate resource, economic worth is low, tolerance to cold is poor, winter is easily dead, the problem of low temperature environment decontamination effect improving cannot be ensured, a kind of new plant resource that can be used for purifying livestock breeding biogas slurry is provided.The ornamental plant purification waste water of livestock poultry utilizing economic worth higher; environment protection is combined with landscape construction; embody the idea of sustainable development that sewage disposal, restoration of the ecosystem and landscape construction are taken into account mutually with economic benefit; have the advantages that theoretical investigation combines with applied research, this provides novel thinking and theoretical foundation for countryside sewage treating practical application.This changes being expected to the operating mode that Traditional Ecological engineering month after month relies on governmental input fund throughout the year, has far reaching significance.
In order to realize foregoing invention object, the technical solution used in the present invention is as follows:
In artificial swamp, plant Mirabilis jalapa, utilize and build wet land system purifying livestock breeding biogas slurry.
Mirabilis jalapa (Mirabilis jalapa Linn), another name: four-o'clock flower, root of Maximowicz Primrose, land mine flower, powder Tofu pudding.Mirabilis perennial herb flowers, often do annual cultivation, Gao Keda 1 meter.Root is sturdy, stem multi-branched and scattered.Leaf is to life, avette or heart-shaped.Spend several to cluster on involucre, footpath reaches 3.8cm; Calyx is petal-shaped, tubaeform, tube length 4-6.5cm, red, orange, yellow, white isochrome or have striped, patch or dichromatism alternate, fragrance.Fruit black, oval, surperficial shrinkage has rib, and be commonly called as " little land mine ", seed is spherical, black.Be suitable for garden cultivation, dusk distributes giving off a strong fragrance.Leaf, endosperm can cosmetic face powders processed; Root, leaf can be used as medicine.
Mirabilis jalapa pharmaceutical use: root is also referred to as into ground mouse, irritant to skin, mucous membrane.Spend the strong fragrance that spues at night, can anaesthetize and driving away mosquito.Congener spends more the water extract of Mirabilis jalapa, in preliminary animal shaker test, have antitumor action.Cure mainly diuresis, purge heat, promoting blood circulation to remove blood stasis; Control stranguria with turbid discharge, under band, lung labor is spitted blood, ulcer carbuncle on the back, acute arthritis; Remove wind, invigorate blood circulation; Control acute mastitis, gonorrhoea; Diuresis, consumer edema; Control that women is redly collapsed, leukorrhea, malignant boil Huang, damage and synthetism; Antipyretic, under slow, the broken stasis of blood, menstruation regulating; Control lung phthisical cough blood; Control internal lesion caused by overexertion body thin, Light-headedness, five pouring and woman collapse band.
Contriver finds in experiment journeys a large amount of for a long time, and Mirabilis jalapa as a kind of novel constructed wetland plant, can effectively can reduce the ammonia nitrogen (NH in livestock breeding biogas slurry
4 +-N), total nitrogen (TN), total phosphorus (TP), chemical oxygen demand (COD) (COD
cr) etc. pollutent.Based on above-mentioned discovery, Mirabilis jalapa is planted the process being used for livestock breeding biogas slurry in artificial swamp.Being implanted with the wet land system influent waste water of Mirabilis jalapa and effluent quality carries out monitoring analysis by regular to planting, fully confirming that Mirabilis jalapa is to the ammonia nitrogen (NH in waste water
4 +-N), total nitrogen (TN), total phosphorus (TP), chemical oxygen demand (COD) (COD
cr) etc. there is higher detergent power, can be used for the purifying treatment of livestock breeding biogas slurry.And Mirabilis jalapa vitality is very vigorous, easily survives, extremely low temperature resistant, and be perennial root herbaceous plant, do not need annual plantation, in whole process of growth, do not need special management.
In sum, the invention has the beneficial effects as follows:
1, through long-term great many of experiments, the present invention finds that Mirabilis jalapa is to the ammonia nitrogen (NH in livestock breeding biogas slurry
4 +-N), total nitrogen (TN), total phosphorus (TP), chemical oxygen demand (COD) (COD
cr) etc. pollution substance there is significant decontamination effect improving.Therefore, passed through Artificial Wetland Techniques purifying livestock breeding biogas slurry, the NH in absorption and accumulation waste water
4 +-N, TN, TP, COD
crdeng pollution substance, thus reduce the NH in waste water
4 +-N, TN, TP, COD
crdeng pollution substance content; When it grows to certain biomass, by hand harvest, just NH in waste water can be reduced
4 +-N, TN, TP, COD
crdeng pollutant load, realize the object of purifying liquid waste.
2, due to the physiological property of Mirabilis jalapa itself, easily survive, cold-resistant, in the vitality of tanacity, sub-zero zero temperature is just withered in the winter time, and is perennial plant, do not need annual plantation, do not need to carry out special management in whole process of growth, thus running cost is low, effective, and operation is simple.Meanwhile, also enrich Artificial Wetland Techniques plant storehouse, for the deep development of Artificial Wetland Techniques process eutrophication water brings new progress and development space.
3, through periodical reaping, can realize NH in waste water
4 +-N, TN, TP, COD
crdeng the purification of pollutent, prevent its dry branches and fallen leaves from falling in water and form secondary pollution.The Mirabilis jalapa of harvesting is also pharmaceutically acceptable, cures mainly diuresis, purges heat, promoting blood circulation to remove blood stasis; Control stranguria with turbid discharge, under band, lung labor is spitted blood, ulcer carbuncle on the back, acute arthritis; Remove wind, invigorate blood circulation; Control acute mastitis, gonorrhoea; Diuresis, consumer edema; Control that women is redly collapsed, leukorrhea, malignant boil Huang, damage and synthetism; Antipyretic, under slow, the broken stasis of blood, menstruation regulating; Control lung phthisical cough blood; Control internal lesion caused by overexertion body thin, Light-headedness, five pouring and woman collapse band etc.
4, Mirabilis jalapa not only has better purifying of the hypertrophic water system effect, and has higher pharmaceutical use.Compared with prior art, no matter the present invention is at running cost, Operation and Maintenance, treatment effect, or environmental benefit, economic benefit etc. all have obvious advantage.
Accompanying drawing explanation
Fig. 1 is NH in embodiment 1 Mirabilis jalapa process livestock breeding biogas slurry
4 +-N effect schematic diagram
Fig. 2 is TN effect schematic diagram in embodiment 1 Mirabilis jalapa process livestock breeding biogas slurry
Fig. 3 is TP effect schematic diagram in embodiment 1 Mirabilis jalapa process livestock breeding biogas slurry
Fig. 4 is COD in embodiment 1 Mirabilis jalapa process livestock breeding biogas slurry
creffect schematic diagram
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Specific embodiment described herein only in order to explain the present invention, is not limited to the present invention.
Embodiment 1
The present embodiment is the application of Mirabilis jalapa process livestock breeding biogas slurry, and embody rule way is as follows:
1, the structure of artificial wet land system
Wet land system is of a size of 100cm × 45cm × 75cm(L × W × H); Comprising the water distributor being arranged on wet land system top, is water leg and water outlet bottom wet land system.Gravel bed, slag layer and sandy soils is laid successively by water leg is supreme.Described constructed wetland bed body characteristics is: wetland bed body inside is made up of wetland filling substrate and oscillation, has a water leg, collect the waste water after wet land system process bottom wet land system.
In order to strengthen wet land system interal supplying oxygen ability, thus improve the decontamination effect improving of wastewater through organic matter, therefore fill oscillation in wet land system inside, by the hole of oscillation, wet land system inside is supported automatically.
In order to improve the detergent power of wet land system of the present invention further, above-mentioned wet land system filling substrate particle diameter and filling thickness all carried out artificial screening.In wetland, decibel fills the thick particle diameter of 15cm is the gravel bed of 10 ~ 20mm, and the thick particle diameter of 20cm is 1 ~ 10mm slag layer and thickness is the sandy soils of 15cm.
In order to improve the detergent power of wet land system of the present invention further, this wetland water purification mode adopts intermittent loading, utilizes the period of not intaking to supplement the inner oxygen level of wet land system further, thus improves the inner oxygen delivery capacity automatically of wet land system.
2, livestock breeding biogas slurry process example
This was tested in 2 days November in 2011, terminated on December 21st, 2011, was a treatment cycle with 7 days, co-processing 5 time-of-week.In its natural state, blue for the green onion collected seedling is directly planted in the topsoil of wetland, stablizes 14 days with tap water.After plant to be planted is stable, from water distributor water inlet process livestock breeding biogas slurry.
Utilize in artificial wetland treatment livestock breeding biogas slurry process by measuring different flooding quantity, optimal water power standing time constructed wetlands system to NH in waste water
4 +-N, TN, TP, COD
crdeng the decontamination effect improving of pollutent, to determine best flooding quantity and the optimal water power standing time of this experiment.
According to measuring result, the optimal water power standing time of green onion blue artificial wet land system process livestock breeding biogas slurry is 6d, and best flooding quantity is by following formulae discovery:
Q=Fqt/0.0365
In formula:
Q---waste water design discharge, m
3/ d;
The land area that F---artificial swamp takies, hm
2;
Q---hydraulic load, mm/d, in this test, q gets 100mm/d
T---waterpower working time, d.
0.0365---reduction factor.
As calculated, the best flooding quantity of this system is 0.74m
3, therefore water inlet flow velocity is for being 0.086cm
3/ s.For improving the automatic support capacity of wet land system further, in test, adopt intermittent loading mode.System 8 a.m. is intake, and each interval time of intaking is 6d, then stops water inlet 1d.Namely each run cycle is 7d, and wherein the sewage residence time is in the reactor draining after 6d, 6d, and ensuing 1d reactor enters and stops the not stage.
At whole duration of test, NH during Mirabilis jalapa purifying livestock breeding biogas slurry
4 +-N, TN, TP, COD
crdeng the water inlet of pollution substance, aqueous concentration and clearance see accompanying drawing 1 ~ 4.As seen from the figure, Mirabilis jalapa is to NH in waste water
4 +-N, TN, TP, COD
crpurification efficiency Deng pollution substance is respectively: 78.4%, 57.0%, 74.3%, 88.9%.
Visible by above-described embodiment, Mirabilis jalapa is to the NH in livestock breeding biogas slurry
4 +-N, TN, TP, COD
crthere is significant removal effect, can be used for the process of livestock breeding biogas slurry.
Claims (1)
1. the application of Mirabilis jalapa in process livestock breeding biogas slurry, Mirabilis jalapa is planted purifying livestock breeding biogas slurry in automatic oxygen supply artificial wet land system, described automatic oxygen supply artificial wet land system comprises the water distributor being arranged on described wet land system top, be arranged on the water leg bottom automatic oxygen supply artificial wet land system and water outlet, and automatically the wetland filling substrate of oxygen supply artificial wet land system inside and oscillation; The gravel bed of described wetland filling substrate to be the thick particle diameter of the supreme 15cm laid successively of water leg be 10 ~ 20mm, the thick particle diameter of 20cm are the slag layer of 1 ~ 10mm and thickness is the sandy soils of 15cm; Described automatic oxygen supply artificial wet land system is of a size of 100cm × 45cm × 75cm (L × W × H); Described water intake mode of Mirabilis jalapa being planted purifying livestock breeding biogas slurry in automatic oxygen supply artificial wet land system adopts intermittent loading.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210010301.3A CN102583751B (en) | 2012-01-13 | 2012-01-13 | Application of mirabilis jalapa in purifying livestock and poultry culture biogas slurry |
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| CN102583751B true CN102583751B (en) | 2014-12-24 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002119160A (en) * | 1999-12-13 | 2002-04-23 | Ain Eng Kk | Resin culture medium, water purifying device and method using the same resin culture medium |
| KR100966527B1 (en) * | 2009-12-29 | 2010-06-30 | 최인식 | Block for constructed wetland and constructed wetland using thereof |
| CN101774698B (en) * | 2010-03-12 | 2013-11-06 | 四川农业大学 | Application of ligularia sibirica in treating livestock and poultry breeding waste water |
| CN101891304A (en) * | 2010-07-13 | 2010-11-24 | 江西省环境保护科学研究院 | Tidal flow constructed wetland with rich reoxygenation |
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Granted publication date: 20141224 Termination date: 20180113 |