CN101306880B - Process for harnessing eutrophication water body by interplanting plant on water - Google Patents

Process for harnessing eutrophication water body by interplanting plant on water Download PDF

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Publication number
CN101306880B
CN101306880B CN2008100627332A CN200810062733A CN101306880B CN 101306880 B CN101306880 B CN 101306880B CN 2008100627332 A CN2008100627332 A CN 2008100627332A CN 200810062733 A CN200810062733 A CN 200810062733A CN 101306880 B CN101306880 B CN 101306880B
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CN
China
Prior art keywords
plant
water
interplanting
pole
stolon
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CN2008100627332A
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Chinese (zh)
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CN101306880A (en
Inventor
向律成
郝虎林
杨肖娥
高冲
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浙江大学
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Priority to CN2008100627332A priority Critical patent/CN101306880B/en
Publication of CN101306880A publication Critical patent/CN101306880A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a method for treating eutrophic water bodies by aquatically interplanting cultivated plants. Bamboo slices with an interval of between 10 and 15cm are taken as materials and are produced into a rectangular frame, and the plane of the frame is bound with a nylon net to form a floating floor; a nurtured high plant with a 50cm stubble height on the ground is transplanted to be among the bamboo slices of the frame, a creeping plant is transplanted onto the nylon net, and the high plant and the creeping stem plant are periodically reaped. The method has small investment and convenient management; moso bamboos are taken as materials, and have high amalgamation degree with the environment after the moso bamboos are placed into water due to the natural color and luster of the moso bamboos; compared with the prior foam plastic and PVC carrier, white visual pollution can not be formed, and no secondary pollution exists. A carrier has long service life, provides conditions for the recovery of a water body all the year around, and can save cost. The method has flexible matching selection of plant interplanting, can also improve the immunity of crops, reduce the attack of plant diseases and insect pests, and has wider applicable regions, which have important significance to the scale of aquatic cultivated plants and the in-situ recovery of the eutrophic water bodies.

Description

The method of harnessing eutrophication water body by interplanting plant on water
Technical field
The present invention relates to the improvement method of eutrophication water, the method for high pole, stolon class plant in treating eutrophication water is cultivated in interplanting especially waterborne.
Background technology
The body eutrophication environmental problem that become international.According to the international lake environment council (ILEC) investigation, most of lake, the world is just suffering body eutrophication in various degree, the Asian-Pacific area 54%, and Europe 53%, North America 28%, eutrophication takes place in the lake in South America 41%.In 131 main lakes of China, the lake that has reached the eutrophy degree has 67, accounts for 51.2%; In 39 representative reservoirs, reach have 12 of eutrophy degree, account for 30%.In five big freshwater lakes, Taihu Lake, Hongchehu Lake, Chaohu have reached the eutrophy degree, though Poyang Lake, Dongting Lake are kept middle trophic level at present, phosphorus, nitrogen content are higher, are in the stage to the eutrophy transition.Therefore, surface drainage system such as lake, reservoir eutrophication had become an outstanding environmental problem of China already.
At present, both at home and abroad the major measure of control body eutrophication is in the control gross contamination emission, is aided with physics (bed mud dredging, diversion are washed away, changed water, oxygenation, machinery and drag for algae etc.), chemistry (chemistry kills algae etc.), biological method pollution control of water such as (microorganism, plants etc.) (pollutions such as special nitrogen, phosphorus).Some physics, chemistry, methods such as microorganism not only effect are short-terms, and expensive bigger, also may cause secondary pollution to water body.Waterplant is because in process of growth, need to absorb nutritive elements such as a large amount of nitrogen, phosphorus, and when its when aquatic ecosystem shifts out, absorbed nutritive substance is pulled away thereupon, thereby the nitrogen and phosphorus content in the water body is reduced, alleviated water body eutrophication degree.Therefore, the plant ecological of eutrophication water is administered and has been caused the great attention of academia at home and abroad.
In body eutrophication control and improvement engineering, most carriers of administering usefulness only are applicable to summer and autumn, and the annual carrier system of administering is also rarely reported.Another key that the floating bed plant systems technology is used is to find the suitable carrier that can be complementary with serike.Using more solid support material at present is porous plastics, PVC etc., but its material generally is a white, easily causes visual pollution, coloring material cost cost improves, and easily water body is polluted; Because the characteristic of material itself, its aging speed is very fast, and the good resource utilization of the material after wearing out at present, so rejected material easily causes secondary pollution to environment.
Summary of the invention
The object of the present invention is to provide a kind of easyly, practical, effectively, adopt the method for mass-producing harnessing eutrophication water body by interplanting plant on water
The method of harnessing eutrophication water body by interplanting plant on water of the present invention may further comprise the steps:
1) be that material is made into rectangular frame with the mao bamboon, the frame of framework is made of the bamboo chip of interval 10~15cm, constitutes floating bed at frame plane colligation nylon wire;
2) choose the high pole plant and the class plant seed of crawling, plantation is cultivated, high pole plant shoot stays the stubble of 50cm high, stolon class plant is through the retention of keeping a full stand of seedings winter, spring with high pole plant transplantation between the bamboo chip of framework border, the class of crawling plant transplantation to nylon wire, high pole plant of periodical reaping and stolon class plant.
Above-mentioned high pole plant can be Caulis Miscanthis floriduli, wild rice stem, Canna generalis Bailey, yellow flag or Chinese celery.Said stolon class plant can be poly-grass, coin is careless or water lettuce.
Be to reduce the aging speed of rotting of mao bamboon, become a useful person mao bamboon for well to select 4-6 for use.Generally, single carrier area is 4.5m 2(1.5m*3m), applying flexible can be spliced and combined according to the practical engineering project needs.
Beneficial effect of the present invention is:
The method of improvement eutrophication water of the present invention has less investment, convenient management, with the mao bamboon is vegetable material, the color and luster that it is natural, and it is high with the warm degree of environment to put into the water back, compare with the PVC carrier with porous plastics now, can not form the visual pollution of white, also non-secondary pollution.The working life of carrier is long, condition is provided and has saved cost for repairing water body the whole year.Plant interplanting collocation is selected can also improve crop immunizing power flexibly, reduces the invasion and attack of disease and pest, and suitable region is wider, and this is to mass-producing floating cultivation plant, and carrying out original position, to repair eutrophication water significant.
Description of drawings
Fig. 1 is the floating bed structural representation;
Synoptic diagram on Fig. 2 floating bed behind the serike.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing.
The method of harnessing eutrophication water body by interplanting plant on water of the present invention may further comprise the steps:
1) be that material is made into rectangular frame 1 with the mao bamboon, the frame of framework is made of the bamboo chip of interval 10~15cm, in frame plane colligation nylon wire 2 formations floating bed as shown in Figure 1, in the legend, two strap stiffeners are arranged in the rectangular frame, and strap stiffener is the bamboo chip of interval 10~15cm.
2) choose the high pole plant and the class plant seed of crawling, plantation is cultivated, high pole plant shoot stays the stubble of 50cm high, stolon class plant is through the retention of keeping a full stand of seedings winter, transplant spring, with the bamboo chip interval (see figure 2) of high pole plant transplantation to framework 10~15cm, the class of crawling plant then is plantation again after high pole plant is planted, be convenient to cover high pole root system of plant like this, improve surviving rate.The class of crawling plant is planted on nylon wire with 70% coverage, and high pole plant generally just needs harvesting, the class of crawling plant according to its coverage results after surpassing 50-60cm according to the floristics periodical reaping.
According to the needs of actual water body treating engineering, the splicing of floating bed carrier can be combined into the shape and the area of actual requirement of engineering.
The invention is not restricted to above embodiment, many distortion can also be arranged, comprise the distortion of carrier and the selection of plant.Such as utilization this floating bed carrier carry out summer and autumn the plant Caulis Miscanthis floriduli and winter in spring the plant Chinese celery crop rotation method, just belong to distortion of the present invention with the method that realizes annual purifying eutrophication water body and use.

Claims (3)

1. the method for harnessing eutrophication water body by interplanting plant on water is characterized in that may further comprise the steps:
1) be that material is made into rectangular frame with the mao bamboon, the frame of framework is made of the bamboo chip of interval 10~15cm, constitutes floating bed at frame plane colligation nylon wire;
2) choose high pole plant and stolon class plant seed, plantation is cultivated, high pole plant shoot stays the stubble of 50cm high, stolon class plant is through the retention of keeping a full stand of seedings winter, spring with high pole plant transplantation between the bamboo chip of framework border, stolon class plant transplantation to nylon wire, high pole plant of periodical reaping and stolon class plant, said high pole plant is Caulis Miscanthis floriduli, wild rice stem, Canna generalis Bailey, yellow flag or Chinese celery.
2. the method for harnessing eutrophication water body by interplanting plant on water according to claim 1 is characterized in that said stolon class plant is for poly-grass, coin is careless or water lettuce.
3. the method for harnessing eutrophication water body by interplanting plant on water according to claim 1 is characterized in that several strap stiffeners are arranged in the rectangular frame, and strap stiffener is the bamboo chip of interval 10~15cm.
CN2008100627332A 2008-07-01 2008-07-01 Process for harnessing eutrophication water body by interplanting plant on water CN101306880B (en)

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CN101306880B true CN101306880B (en) 2010-10-06

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101544424B (en) * 2009-05-05 2010-12-29 南京师范大学 Combined biological floating bed for purifying water quality
CN102180545A (en) * 2011-03-11 2011-09-14 贵州碧泰环境生态科技有限公司 Method for ecologically purifying sewage by interplanting wintergreen plants
CN103693743B (en) * 2013-12-21 2015-02-25 浙江大学 Method for purifying domestic wastewater by using willows through super deep flow and application thereof
CN103803709B (en) * 2014-02-18 2015-04-15 杨洁 Vetiver grass sewage purifying system and method thereof
CN103936165B (en) * 2014-04-28 2016-04-20 宁波原水集团有限公司 The plant sustaining wall device that a kind of restoration of the ecosystem excessive vegetative growth that prevents from swimming spreads
CN104496029A (en) * 2014-11-30 2015-04-08 陈伟群 Method for preparing three-dimensional floating bed for purifying eutrophication water source
CN104961238A (en) * 2015-06-26 2015-10-07 湖北大学 Full-bamboo ecological floating bed
CN107686167B (en) * 2017-10-16 2020-03-24 浙江省冶金研究院有限公司 Subsurface flow constructed wetland ecosystem for treating rural domestic sewage and treatment method
CN107810792A (en) * 2017-11-16 2018-03-20 姜丽 The spring canopy room deep water shield kind method in No. three Zhejiang of Zhejiang hay region

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CN2633877Y (en) * 2003-08-08 2004-08-18 吴为中 Float bed type water purifying biological reactor
CN1559935A (en) * 2004-03-11 2005-01-05 厦门大学 Method for biological repairing eutrophication of subtropical zone caltivate pond
WO2005102030A2 (en) * 2004-04-09 2005-11-03 University Of Hawaii Floating plant cultivation platform and method for growing terrestrial plants in saline water of various salinities for multiple purposes
CN2806447Y (en) * 2005-04-05 2006-08-16 湖北大学 Floating floor for water surface cultured plant
CN201012910Y (en) * 2007-01-29 2008-01-30 国家环境保护总局华南环境科学研究所 Adjustable water purification ecological floating bed
CN101148292A (en) * 2007-09-06 2008-03-26 浙江大学 Method for treating eutrophication water body by waterborne cultivated plant

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Publication number Priority date Publication date Assignee Title
CN2633877Y (en) * 2003-08-08 2004-08-18 吴为中 Float bed type water purifying biological reactor
CN1559935A (en) * 2004-03-11 2005-01-05 厦门大学 Method for biological repairing eutrophication of subtropical zone caltivate pond
WO2005102030A2 (en) * 2004-04-09 2005-11-03 University Of Hawaii Floating plant cultivation platform and method for growing terrestrial plants in saline water of various salinities for multiple purposes
CN2806447Y (en) * 2005-04-05 2006-08-16 湖北大学 Floating floor for water surface cultured plant
CN201012910Y (en) * 2007-01-29 2008-01-30 国家环境保护总局华南环境科学研究所 Adjustable water purification ecological floating bed
CN101148292A (en) * 2007-09-06 2008-03-26 浙江大学 Method for treating eutrophication water body by waterborne cultivated plant

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