CN101597107A - The application of Herba Delphinii Anthriscifolii in handling livestock breeding wastewater - Google Patents

Abstract

The invention discloses the application of Herba Delphinii Anthriscifolii in handling livestock breeding wastewater, in the environment that livestock breeding wastewater pollutes, plant Herba Delphinii Anthriscifolii.Make full use of Herba Delphinii Anthriscifolii to ammonia nitrogen, total phosphorus, total nitrogen, COD in the livestock breeding wastewater _CrDeng absorption and the removal characteristic that pollutent has, it is planted in the livestock breeding wastewater contaminate environment ammonia nitrogen in the absorption and accumulation waste water, total phosphorus, total nitrogen, COD _CrDeng pollutent, thereby the content of pollutent in the reduction waste water purifies livestock breeding wastewater; Have characteristics such as cost is low, working cost is low, effective, workable; For new plant resource variety has been developed in the processing that livestock breeding wastewater pollutes, handle the deep development that livestock breeding wastewater pollutes for constructed wetland plant and brought new progress and development space, abundant reasonable use resource also, realization one-object-many-purposes.

Description

The application of Herba Delphinii Anthriscifolii in handling livestock breeding wastewater

Technical field

The invention belongs to the constructed wetland plant technical field of purifying liquid waste, the particularly application of Herba Delphinii Anthriscifolii in handling livestock breeding wastewater.

Background technology

Livestock breeding wastewater pollutes and has chronicity and non-reversibility, and its features of pollution is high suspended matter, high organism and high ammonia nitrogen, and biodegradability is strong, and stink is big.

Poultry industry is the important component part of China's agricultural and rural economy, it also is the one of the main reasons that causes China's rural area pollution of waterhead, it is serious day by day that livestock and poultry breeding industry is greatly developed the problem of environmental pollution that is brought, not only influence Economic development, but also jeopardize ecological safety, become the social concern of people's common concern.The severe contamination that ight soil that livestock and poultry farm produces and sewage cause surface water, underground water, soil and ambient air has directly influenced people's healthy and ordinary production life.

The method of handling the livestock breeding wastewater pollution at present mainly contains natural biology degradation technique (as soil treatment, oxidation pond processing, artificial swamp processing etc.), anaerobic treatment technology (as anaerobic filter, up-flow anaerobic sludge blanket, flow lifting type solid reactor etc.), aerobic treatment technology (as biological filter, blodisc, sequencing batch active sludge, A/O technology and oxidation ditch etc.) etc.These methods all have certain characteristics, and can reduce the pollution level of livestock breeding wastewater to a certain extent.Yet, adopting anaerobism or aerobic biologic treating technique, its effluent quality is difficult to reach corresponding emission standard, lets alone the comprehensive first discharge standard of sewage, if adopt compulsory physical chemistry measure intensifying treatment effect, often cost is too high.The characteristics of natural biology degradation technique (artificial swamp processing) can remedy the limitation that the aquaculture economic capability is limited, lack the technician that certain operation and level of management are arranged just, especially are fit to be located in the plant of Rural areas.Adopt natural biology degradation technique (artificial swamp processing) to strengthen the treatment effect of livestock breeding wastewater pollution treatment system, a kind of suitable treatment technology of can yet be regarded as.

Beginning of the nineties late 1980s, held the artificial swamp conference of disposing of sewage in succession in the U.S., Britain, proposed the relevant purification mechanism of artificial swamp and design specifications and the data that some can be for reference, indicated that artificial swamp enters environmental science as a kind of Sewage treatment systems that shows unique characteristics.In recent years, researchs such as application of the engineering of artificial swamp and purification mechanism more and more are subject to people's attention.Artificial swamp can not only effectively be removed suspended substance, organic pollutant, nitrogen and the phosphorus etc. in the sewage, and can effectively remove exogenous bioactive substances such as pathogenic bacteria, heavy metal, algae toxin, it is low to have construction cost, power consumption is few, working cost is low and effective and do not cause multifrequency nature such as secondary pollution, higher nitrogen, tp removal rate are not only arranged, also have the effect of beautifying the environment.Pollute one of the serious environmental problem become that whole world people will face along with water, artificial swamp has obtained long term growth because of its special advantages, especially shown great potentiality in polluting purifying livestock breeding wastewater, become and begin the research focus paid close attention in recent years.Be used at present to handle the plant that livestock breeding wastewater pollutes cyperus alternifolius, chrysanthemum Canna generalis Bailey, wilson iris, calamus, parasol grass, wild rice stem, reed etc. have been arranged.

But in the face of the present serious day by day problem of bringing of livestock breeding wastewater pollution of greatly developing owing to livestock and poultry cultivation, above-mentionedly can be used for handling the plant variety resource that livestock breeding wastewater pollutes and seem very limited, be difficult to satisfy actual needs, still await further reasonable development and can be used in a large number handling the plant variety resource that livestock breeding wastewater pollutes, to adapt to the needs of wastewater treatments such as different areas, different quality soil property.

Herba Delphinii Anthriscifolii (Delphinium anthriscifolium Hance), another name Herba Hylothelephii Verticillati, fish lamp Soviet Union are Ranunculaceae staggerweed annual herb, are distributed in the most of area of China, are born in patana.Being easy to plantation, having a very wide distribution, higher pharmaceutical use is arranged, also is the good material of horticulture and flower.Like sunny and nice and cool weather, be afraid of high temperature, can resist cold, drought-enduring, avoid accumulated water, it is better to grow in the fertile clayey soil that is rich in soil ulmin, is born in the hillside thick grass or the meadow, small stream limit on hills between height above sea level 200-1200 rice or low mountain.The florescence is longer to July general March for flowering fruit bearing stage, and its flower shape pattern is all very beautiful, has ornamental value preferably.And its root, stem can be used as medicine, and can ache by the dispelling the wind and dampness pathogens bone.

Summary of the invention

The contriver finds that Herba Delphinii Anthriscifolii can effectively reduce ammonia nitrogen, total phosphorus, total nitrogen, the COD in the livestock breeding wastewater in long-term great deal of experimental process _CrDeng the content of pollutent, thereby be expected to be used to purify livestock breeding wastewater; Therefore, main purpose of the present invention is exactly to can be used for handling the insufficient problem of plant resources that livestock breeding wastewater pollutes at above-mentioned prior art, a kind of new plant resources that livestock breeding wastewater pollutes that can be used for handling is provided, Herba Delphinii Anthriscifolii rationally is used to handle livestock breeding wastewater pollutes; Have characteristics such as planting cost is low, working cost is low, treatment effect is good, workable.

In order to realize the foregoing invention purpose, the technical solution used in the present invention is as follows:

The application of Herba Delphinii Anthriscifolii in handling livestock breeding wastewater by planting Herba Delphinii Anthriscifolii in the environment that pollutes at livestock breeding wastewater, utilizes Herba Delphinii Anthriscifolii to ammonia nitrogen, total phosphorus, total nitrogen, COD in the waste water _CrDeng the absorption and the removal characteristic of pollutent, reach the purpose that purifies livestock breeding wastewater.

Herba Delphinii Anthriscifolii is the taproot flowers, and fibrous root is few, with live for well; Not anti-transplanting is transplanted as need, and sprigging can be with ball transplanting when 2 true leaves, otherwise influences surviving rate.Therefore, when being used for handling livestock breeding wastewater, serve as preferred also to adopt the seed propagation method.Spring, autumn all can be sowed, and, broadcast about 2 weeks of back and can germinate for well with autumn sowing, if temperature is too high, it is irregular to emerge on the contrary.

Because the vitality of Herba Delphinii Anthriscifolii is very vigorous, is easy to survive, and in the whole growth process of Herba Delphinii Anthriscifolii, does not need to carry out special management; Can be by the top of regular toothing harvesting plant, its root can continue survival, growth, and the natural propagation growth is fast, do not need annual plantation, thereby operation is simple.

The present invention is used to handle the Herba Delphinii Anthriscifolii of livestock breeding wastewater, is the annual upright herbaceous plant of Ranunculaceae staggerweed, and Latin is by name: Delphinium anthriscifolium Hance.

Compared with prior art, the invention has the beneficial effects as follows:

The unexpected Herba Delphinii Anthriscifolii of finding of the present invention is to ammonia nitrogen, total phosphorus, total nitrogen, COD in the livestock breeding wastewater _CrHave significant absorption and remove characteristic Deng pollutent, and fully made full use of this specific character, it is planted in the livestock breeding wastewater contaminate environment ammonia nitrogen, total phosphorus, total nitrogen, COD in the absorption and accumulation livestock breeding wastewater _CrDeng pollutent, thereby reduce ammonia nitrogen, total phosphorus, total nitrogen, COD in the livestock breeding wastewater _CrContent Deng pollutent; During certain biomass to be formed, just can reach and reduce ammonia nitrogen, total phosphorus, total nitrogen, COD in the livestock breeding wastewater _CrPurpose Deng the content of pollutent further purifies livestock breeding wastewater.

, fully prove and effectively to remove ammonia nitrogen in the livestock breeding wastewater, total phosphorus, total nitrogen, COD in the livestock breeding wastewater of having planted Herba Delphinii Anthriscifolii, gathering water sample and its effluent quality being measured by regularly _CrDeng the content of pollutent, thereby purify livestock breeding wastewater.

Because the vitality of Herba Delphinii Anthriscifolii is very vigorous, is easy to survive, in its whole growth process, all do not need to carry out special management, thereby cost is low, working cost is low, effective, workable; New plant resource variety has been developed in the processing of also polluting for livestock breeding wastewater simultaneously, and the deep development of handling the livestock breeding wastewater pollution for constructed wetland plant has brought new progress and development space.

Simultaneously, Herba Delphinii Anthriscifolii also has higher pharmaceutical use, has to dispel the wind, manage effects such as wet, detoxifcation, pain relieving; It also is the good material of horticulture and flower.Therefore, the present invention is used to handle livestock breeding wastewater with Herba Delphinii Anthriscifolii, and by a large amount of plantation Herba Delphinii Anthriscifoliis in the environment that pollutes at livestock breeding wastewater, fully the reasonable use resource realizes one-object-many-purposes.

Description of drawings

Fig. 1 is that Herba Delphinii Anthriscifolii is to NH in the waste water ₄ ⁺The treatment effect figure of-N;

Fig. 2 is the treatment effect figure of Herba Delphinii Anthriscifolii to TP in the waste water;

Fig. 3 is the treatment effect figure of Herba Delphinii Anthriscifolii to TN in the waste water;

Fig. 4 is that Herba Delphinii Anthriscifolii is to COD in the waste water _CrTreatment effect figure;

Fig. 5 is the treatment effect figure of Herba Delphinii Anthriscifolii to turbidity in the waste water.

Embodiment

Below in conjunction with embodiment foregoing invention content of the present invention is described in further detail.

But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment.Not breaking away under the above-mentioned technological thought situation of the present invention, according to ordinary skill knowledge and customary means, make various replacements and change, all should comprise within the scope of the invention.

Embodiment 1

Present embodiment is the application of Herba Delphinii Anthriscifolii in handling livestock breeding wastewater, and concrete application method is as follows:

Under the natural condition, the Herba Delphinii Anthriscifolii seedling that collects (when 2 true leaves) is directly transplanted to the rubber bucket of 24cm * 24cm * 33cm with native ball, water distributor is established in its bottom, the gravel about diameter 2-5cm is placed in the bottom, thickness is 5cm, its upper berth thickness is the sand bed of 10cm, is the 10cm pedosphere of (counting roughly 8kg) at sand bed upper berth thickness at last, and tap water was stablized 15 days.After treating that plant is stable, regularly water livestock breeding wastewater, and gather water sample and measure its effluent quality (wherein optimal water power standing time is 5 days).The pot experiment flooding quantity is measured according to following method: got by the estimation equation (following formula 1) that Reed recommended:

$Q=\frac{F}{K}$ Formula 1

In the formula 1: Q--designs wastewater flow, m ³/ d;

The land area that the F--artificial swamp takies, hm ²

The K--coefficient, 6.57 * 10 ^-3

As calculated, the processing water yield of potted plant experiment is 0.88L.

Calculate according to following formula 2:

$Q=\frac{\mathrm{Fqt}}{0.0365}$

Formula 2

Q is 1.6L.

In the formula 2: Q, F are with formula 1;

The q--hydraulic load, in m/ week, getting q is 20cm/d;

T--working time (whole year operation week number), week/a;

0.03565--reduction factor.

With reference to preceding two calculating water yields, also extended a water yield (2.5L).

By measuring the NH in the sewage ₄ ⁺The removal effect of the content assessment pollutent of-N, COD, TP, TN etc., present embodiment determines that its flooding quantity is 1.6L; Optimal water power standing time is 5 days (HRT=5d); The amount of its plantation Herba Delphinii Anthriscifolii is 6 strain/buckets.

In the whole test stage, Herba Delphinii Anthriscifolii is to ammonia nitrogen, total phosphorus, total nitrogen, COD in the livestock breeding wastewater _Cr, turbidity average purification efficiency be respectively: 98.94%, 95.99%, 84.27%, 88.08%, 93.52%.Its ammonia nitrogen, total phosphorus, total nitrogen, COD _Cr, pollutent such as turbidity water inlet and go out water concentration and see Fig. 1-5.(mensuration of each pollutent is all with reference to national standard measuring method----ammonia nitrogen: the distillation acidimetry; Total phosphorus: molybdenum antimony resistance colorimetric method; Total nitrogen: Potassium Persulphate oxidation ultraviolet spectrophotometry; COD _Cr: potassium dichromate oxidation; Turbidity: the STZ turbidimeter).

By the foregoing description as seen, utilization of the present invention is planted Herba Delphinii Anthriscifolii in the livestock breeding wastewater contaminate environment, to removing ammonia nitrogen, total phosphorus, total nitrogen, COD in the livestock breeding wastewater _CrDeng pollutent significant effect is arranged, purify the purpose that livestock breeding wastewater pollutes thereby reach.

Claims (4)

1. the application of Herba Delphinii Anthriscifolii in handling livestock breeding wastewater planted Herba Delphinii Anthriscifolii in the environment that livestock breeding wastewater pollutes.

2. application according to claim 1 is characterized in that: described Herba Delphinii Anthriscifolii adopts the seed propagation method when plantation.

3. application according to claim 1 is characterized in that: described Herba Delphinii Anthriscifolii adopts implantation method when plantation, band ball transplanting when seedling grows 2 true leaves.

4. application according to claim 1 is characterized in that: the over-ground part that the Herba Delphinii Anthriscifolii of plantation is carried out regular toothing harvesting plant.