CN102173512B - Ecological floating island device for purifying micro-polluted water bodies - Google Patents

Ecological floating island device for purifying micro-polluted water bodies Download PDF

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Publication number
CN102173512B
CN102173512B CN2011100753214A CN201110075321A CN102173512B CN 102173512 B CN102173512 B CN 102173512B CN 2011100753214 A CN2011100753214 A CN 2011100753214A CN 201110075321 A CN201110075321 A CN 201110075321A CN 102173512 B CN102173512 B CN 102173512B
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water
floating bed
baskets
boxes
ecological floating
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CN102173512A (en
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朱亮
李卫
倪利晓
印华斌
钱静
赵新磊
储如花
吴薇
陈阳
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Hohai University HHU
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Abstract

The invention discloses an ecological floating island device for purifying micro-polluted water bodies. The ecological floating island device is suitable for improvement of the water quality of urban rivers, ecological construction of the artificial lakes in the residential communities, purification of the water of the artificial wetlands and purification and improvement of various micro-polluted water bodies and has the functions of adsorption and interception, microbial degradation, aquatic plant absorption and the like towards the pollutants. The ecological floating island device comprises an upper ecological floating bed, middle connecting devices and a lower China fir crib water treatment reactor. The ecological floating island device is characterized in that the ecological floating island device integrates the advantages of the adsorption filler water purifier and the traditional ecological floating bed on the basis of having the characteristics of the adsorption filler water purifier and the traditional ecological floating bed to form a more systematic structure form; the structure form more effectively utilizes the water body space while enhancing the capability of purifying the pollutants in the water bodies, reduces the construction difficulty and ensures the plant floating bed to be more flexibly applied in the engineering.

Description

A kind of ecological floating island device of purifying slightly polluted water body
Technical field
The invention belongs to the water purification technology field, be specifically related to a kind of micro-polluted water territories such as city inland river, residential quarter man-made lake and artificial swamp that are applied to, and pollutent is had the integration ecological chinampa device of absorption interception and biological and ecological purification function.
Background technology
At present; City inland river; The water correction technology in waters such as man-made lake storehouse roughly is divided into physical method, chemical process and biological einforcement method, and wherein biological einforcement method is mainly taked the waterplant technology, hydrocoles is technological and microbial film is main microbial technique, improves and optimizates water ecosystem through manual work; Improve water body self-purification ability, reach the purpose that purifies water.Present stage domestic and international biological reinforcing technology to improve the research of water quality more, and in practical application, obtained effect preferably.But the purification means are too single, often fail several kinds of means are united use.Like the adsorptive power water purification (like the adsorption stuffing reactor drum) that utilizes filler in the engineering measure with utilize biological floating bed plant absorbing to remove the often single use of pollutent.At present, adsorption stuffing reactor drum and biological floating bed purification and the advanced treatment that in water treatment, independently is widely used in all kinds of water bodys separately.Yet (like city inland river, residential quarter man-made lake, artificial swamp etc.) all are single use adsorption stuffing reactor drum mostly or biological floating bed purifying water are set in many engineering constructions.The single use of two kinds of water processing establishments fails to make full use of water body capable of using space limited in the engineering in some cases.On the one hand, the adsorption stuffing reactor drum can be placed in the water and the bottom flexibly, and the top water surface is underutilized, and but fails to satisfy the needs of landscape effect in the engineering though guaranteed purifying water effect; On the other hand; Biological floating bed being arranged on the water surface, lower space fails to be fully used, and need link to each other with the bank in river bed piling or through chain and be used for fixing; Though guaranteed the requirement of engineering view, not good and high to construction requirement to the decontamination effect improving of water quality at part construction point.Therefore, single use adsorption stuffing reactor drum or the biological floating bed blemish in an otherwise perfect thing that seems that purifies water in engineering, the water treatment device of inventing a kind of comprehensive the two advantage is necessary.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can efficiently remove the pollution substance in the water body, can build the ecological floating island device of the purifying slightly polluted water body of good landscape effect again.
Technical scheme of the present invention: a kind of ecological floating island device of purifying slightly polluted water body; That this chinampa device comprises is biological floating bed, China fir cage water processing reactor and coupling device; Said biological floating bed M * N the floating bed unit that comprise; Said M * N is 5 * 8 or 8 * 10; Be provided with the cord that has ball float between two adjacent floating bed unit, said floating bed unit comprises that two groups of water bottle groups, two PVC sleeve pipes are connected iron wire with two volutions, and said water bottle group is arranged side by side by two water bottles and connects and composes with double spherical iron wire flange; Two bottle caps on one group of water bottle group are connected with another two bottle caps organizing on water bottle group through the PVC sleeve pipe, and said two volutions connection iron wire lays respectively at PVC sleeve pipe both sides and the double spherical iron wire flange on two groups of water bottle groups is connected;
Said China fir cage water processing reactor is processed rectangular-shaped boxes and baskets for the China fir bar, and the length and width of boxes and baskets equate, are 1.8-2.0m; Highly be 0.5-1.0m, the China fir stripe pitch is 15-20cm on each face of boxes and baskets, the antirust wire netting of coated outside one deck of boxes and baskets; Vertically be provided with the two sides wire netting in the boxes and baskets; Space in the boxes and baskets is separated into first weighted areas, packing area and second weighted areas successively, and said first weighted areas all equates that with the wide height of boxes and baskets its length is 0.2-0.4m with the wide height of second weighted areas; All fill up gravel or cobble that particle diameter is 2-5cm in said first weighted areas and second weighted areas, fill up short-tube filling in the said packing area; Said boxes and baskets bottom surface is provided with four supporting legs;
Said coupling device comprises that 4 connect monomer; Said connection monomer comprises smooth hard rod member, the first smooth copper ring, the second smooth copper ring, pallet, caoutchouc rope and long straight traction rope; The said first smooth copper ring slip cap is on the smooth hard rod member; The upper end of said smooth hard rod member is connected with the center fixation of tray bottom; The radius of said pallet is greater than the internal diameter of the first smooth copper ring, and the said second smooth copper ring links to each other with pallet through the caoutchouc rope, and an end of the straight traction rope of said length passes the second smooth copper ring and is connected with the first smooth copper ring; Said four connect monomeric smooth hard rod member lower end difference vertical fixing on four angles of China fir cage water processing reactor upper surface, and said four straight traction ropes of length that connect on the monomers link to each other with biological floating bed four angles respectively.
All hang with the plant basket between two PVC sleeve pipes on said each floating bed unit; Said plant basket is placed with emergent, expansion sponge and earth, and the emergent root wraps earth and stipe part and wraps the expansion sponge and with nylon gauze plant root and stipe part are wrapped up together.
Said water bottle is the plastics rounding column carafe of same specification, and body does not have breakage, is with supporting bottle cap, the long 22-30cm of body, diameter 6-10cm.
The straight traction rope length of said length is
Figure 2011100753214100002DEST_PATH_IMAGE001
h, and said h is the height of coupling device top to the actual water surface.
Said short-tube filling soaks in EM bacterium, BZT microbiobacterial agent or GF series culture of strains liquid before using turns out microbial film.
Said short-tube filling is for being that to fire the diameter that forms under 700 ℃ be 2-3cm at carbonization temperature, and length is the bamboo charcoal tube of 6-10cm.
The present invention is that the efficient absorption-interception, microbiological deterioration and the waterplant that combine short-tube filling absorb Trinitarian quality purifying device for water; Adopt the carafe, mineral water bottle of the recycling of unified specification etc. at the biological floating bed material on system top, material source is wide, low price, and can recycle.The aquatic landscape plant of plantation in biological floating bed utilizes waterplant to absorb nutritive elements such as N in the water body, P, and utilizes the flourishing intensive root system of waterplant to filter and remove graininess pollutent and algae; In the China fir cage water processing reactor of system bottom, stack a large amount of short-tube fillings naturally and formed the short-tube filling layer; This layer soaks in the water treatment micro-organism bacterium liquid (like EM bacterium, BZT microbiobacterial agent, GF series bacterial classification etc.) of enlarged culturing before use turns out the large number of biological film; Optimize efficient water treatment bacterial classification through the environment water domestication again; The biological degradation of attached microbial is removed pollutent in absorption interception function and the pipe of this water processing reactor through short-tube filling; Particularly the interception function of short-tube filling layer is as numerous flap reactor drum (polluted-water of the packing layer of flowing through is water conservancy diversion between a plurality of bamboo charcoal tubes, has greatly increased the contact reacts time of polluted-water and adsorption stuffing and mikrobe); System's intermediary coupling device links to each other with bottom China fir cage water processing reactor top is biological floating bed dexterously; Both having guaranteed that top is biological floating bed fluctuates and not with the vertical drift of current with change of level, and letter has economized extra fixing biological floating bed engineering measure again.
The present invention has the following advantages:
1, the present invention can significantly improve water quality, improves the ecoscape effect in waters.Purify experimental study through agricultural area source draining hydrostatic pond, chinampa of the present invention unit surface is 73%-90% and 75%-88% to the average removal rate of N, P in the water body, is 84%-93% to the clearance of COD; And the board-like biological floating bed unit surface of single foam is 48%-55% and 35%-48% to the average removal rate of N, P in the water body, is 59%-68% to the clearance of COD; Show this ecological floating island to the average removal rate of N, P in the water body than board-like biological floating bed 25%-42% of exceeding of single foam and 40%-53%, exceed 25%-35% to the place to go of COD is also corresponding.
2, of the present invention simple in structure, flexible arrangement, test plant is wide with floating bed solid support material source, and structure is easy to assembly, has better capacity of anti-storm and environmental benefit good, has not only reduced engineering cost but also has realized the recycling of waste resource.
3, turn out microbial film through the immersion of water treatment micro-organism bacterium liquid above the bamboo charcoal tube that the present invention adopts, pollutent in the water body is played very strong absorption and interception function simultaneously.
Description of drawings
Fig. 1 is ecological floating island device sectional view of the present invention (is example with 5 * 8 biological floating bed unit);
Fig. 2 is a biological floating bed unit of the present invention vertical view;
Fig. 3 is a double spherical iron wire flange arrangement synoptic diagram of the present invention;
Fig. 4 is that volution of the present invention connects the iron wire structural representation;
Fig. 5 is a plant basket structural representation of the present invention;
Fig. 6 is biological floating bed arrangement form vertical view of the present invention (is example with 5 * 8 biological floating bed unit);
Fig. 7 is a China fir cage water processing reactor part sectioned view of the present invention.
Wherein have: 1, biological floating bed, 2, coupling device, 3, China fir cage water processing reactor; 4, emergent; 5, caoutchouc rope; 6, pallet; 7, grow straight traction rope; 8, the first smooth copper ring; 9, short-tube filling; 10, gravel or cobble; 11, feet, 12, packing area; 13, first weighted areas; 14, second weighted areas; 15, volution connects iron wire; 16, PVC sleeve pipe; 17, plant basket rest area; 18, two spherical iron wire flanges; 19, boxes and baskets; 20, antirust wire netting.
Embodiment
Embodiment 1
A kind of ecological floating island device of purifying slightly polluted water body; That this chinampa device comprises is biological floating bed 1, China fir cage water processing reactor 3 and coupling device 2; Biological floating bed 1 comprises 5 * 8 floating bed unit; Said 5 * 8 floating bed unit are that 5 row are arranged side by side and every row are provided with 8 floating bed unit (like Fig. 6); Be provided with the cord that has ball float between two adjacent floating bed unit, said floating bed unit comprises that two groups of water bottle groups, two PVC sleeve pipes 16 are connected iron wire 15 with two volutions, and the water bottle group is arranged side by side by two water bottles and connects and composes with double spherical iron wire flange 18; Two bottle caps on one group of water bottle group all are fixedly connected with two bottle caps on another group water bottle group through PVC sleeve pipe 16, and two volutions connect that iron wire 15 lays respectively at PVC sleeve pipe 16 both sides and with 18 connections of the double spherical iron wire flange on two groups of water bottle groups; Plastics rounding column carafes such as the carafe of the recycling of water bottle employing unified specification, mineral water bottle, body does not have breakage, is with supporting bottle cap, and body length is 22-30 cm, diameter 6-10cm.
China fir cage water processing reactor 3 is processed rectangular-shaped boxes and baskets 19 for the China fir bar, and the length and width of boxes and baskets equate, are 1.8m; Highly be 0.5m, the China fir stripe pitch is 15cm on each face of boxes and baskets, the antirust wire netting 20 of coated outside one deck of boxes and baskets; Vertically be provided with the two sides wire netting in the boxes and baskets; Space in the boxes and baskets is separated into first weighted areas 13, packing area 12 and second weighted areas, 14, the first weighted areas 13 successively all equates that with the wide height of boxes and baskets its length is 0.3m with the wide height of second weighted areas 14; All fill up gravel or the cobble that particle diameter is 2-5cm in first weighted areas 13 and second weighted areas 14, fill up short-tube filling 9 in the packing area; The boxes and baskets bottom surface is provided with four supporting legs 11;
Coupling device 2 comprises that 4 connect monomer; Connect monomer and comprise smooth hard rod member, first smooth copper ring 8, the second smooth copper ring, pallet, caoutchouc rope 5 and long straight traction rope 7; The first smooth copper ring 8 slides and is placed on the smooth hard rod member; The upper end of smooth hard rod member is connected with the center fixation of tray bottom; The radius of pallet is greater than the internal diameter of the first smooth copper ring 8, and the second smooth copper ring links to each other with pallet 6 through caoutchouc rope 5, and an end of growing straight traction rope 7 passes the second smooth copper ring and is connected with the first smooth copper ring 8;
Four connect monomeric smooth hard rod member lower end difference vertical fixing on four angles of China fir cage water processing reactor upper surface, and four straight traction ropes 7 of length that connect on the monomer link to each other with biological floating bed 1 four angles respectively.
All hang with the plant basket between two PVC sleeve pipes 16 on each floating bed unit, be provided with emergent in the plant basket, and the emergent root wraps earth, stipe part wraps the expansion sponge and with nylon gauze plant root and stipe part is wrapped up together.
Long straight traction rope length is h, and h is the height of coupling device top to the actual water surface.
Short-tube filling 9 soaks in the EM of enlarged culturing bacterium, BZT microbiobacterial agent or GF series culture of strains liquid before using turns out microbial film, after the environment water domestication optimizes efficient water treatment bacterial classification.
Short-tube filling 9 is for being that to fire the diameter that forms under 700 ℃ be 2-3cm at carbonization temperature, and length is the bamboo charcoal tube of 6-10cm.
Embodiment 1 is applicable to that river width is slow river course, Hu Ku or the artificial swamp etc. of flow velocity below the 20m.
Embodiment 2
A kind of ecological floating island device of purifying slightly polluted water body; That this chinampa device comprises is biological floating bed 1, China fir cage water processing reactor 3 and coupling device 2; Biological floating bed 1 comprises 8 * 10 floating bed unit; Said 8 * 10 floating bed unit are that 8 row are arranged side by side and every row are provided with 10 floating bed unit; Be provided with the cord that has ball float between two adjacent floating bed unit, said floating bed unit comprises that two groups of water bottle groups, two PVC sleeve pipes 16 are connected iron wire 15 with two volutions, and the water bottle group is arranged side by side by two water bottles and connects and composes with double spherical iron wire flange 18; Two bottle caps on one group of water bottle group all are fixedly connected with two bottle caps on another group water bottle group through PVC sleeve pipe 16, and two volutions connect that iron wire 15 lays respectively at PVC sleeve pipe 16 both sides and with 18 connections of the double spherical iron wire flange on two groups of water bottle groups; Plastics rounding column carafes such as the carafe of the recycling of water bottle employing unified specification, mineral water bottle, body does not have breakage, is with supporting bottle cap, and body length is 22-30 cm, diameter 6-10cm.
China fir cage water processing reactor 3 is processed rectangular-shaped boxes and baskets 19 for the China fir bar, and the length and width of boxes and baskets equate, are 2.0m; Highly be 0.8m, the China fir stripe pitch is 18cm on each face of boxes and baskets, the antirust wire netting 20 of coated outside one deck of boxes and baskets; Vertically be provided with the two sides wire netting in the boxes and baskets; Space in the boxes and baskets is separated into first weighted areas 13, packing area 12 and second weighted areas, 14, the first weighted areas 13 successively all equates that with the wide height of boxes and baskets its length is 0.4m with the wide height of second weighted areas 14; All fill up gravel or the cobble that particle diameter is 2-5cm in first weighted areas 13 and second weighted areas 14, fill up short-tube filling 9 in the packing area; The boxes and baskets bottom surface is provided with four supporting legs 11;
Coupling device 2 comprises that 4 connect monomer; Connect monomer and comprise smooth hard rod member, first smooth copper ring 8, the second smooth copper ring, pallet, caoutchouc rope 5 and long straight traction rope 7; The first smooth copper ring 8 slides and is placed on the smooth hard rod member; The upper end of smooth hard rod member is connected with the center fixation of tray bottom; The radius of pallet is greater than the internal diameter of the first smooth copper ring 8, and the second smooth copper ring links to each other with pallet 6 through caoutchouc rope 5, and an end of growing straight traction rope 7 passes the second smooth copper ring and is connected with the first smooth copper ring 8;
Four connect monomeric smooth hard rod member lower end difference vertical fixing on four angles of China fir cage water processing reactor upper surface, and four straight traction ropes 7 of length that connect on the monomer link to each other with biological floating bed 1 four angles respectively.
All hang with the plant basket between two PVC sleeve pipes 16 on each floating bed unit, be provided with emergent in the plant basket, and the emergent root wraps earth, stipe part wraps the expansion sponge and with nylon gauze plant root and stipe part is wrapped up together.
Long straight traction rope length is
Figure 646276DEST_PATH_IMAGE001
h, and h is the height of coupling device top to the actual water surface.
Short-tube filling 9 soaks in the EM of enlarged culturing bacterium, BZT microbiobacterial agent or GF series culture of strains liquid before using turns out microbial film, after the environment water domestication optimizes efficient water treatment bacterial classification.
Short-tube filling 9 is for being that to fire the diameter that forms under 700 ℃ be 2-3cm at carbonization temperature, and length is the bamboo charcoal tube of 6-10cm.
Embodiment 2 is applicable to that river width is slow river course, Hu Ku or an artificial swamp etc. of the above flow velocity of 20m.
Ecological floating island of the present invention can singlely use, and also can a plurality of ecological floating island parallel connections use.This more conventional ecological floating bed device in integration ecological chinampa has improved 25%-40%, 20%-30% and 25%-35% respectively to pollutent in the water body especially nutritive salt (like TN, TP) and organic pollutant (CODcr) clearance.This integration ecological chinampa can sink naturally puts into polluted-water to be repaired, and the water body plant root of flowing through in upper strata is improved through root microbiological deterioration and plant absorbing; In lower floor water body flow through first weighted areas 13 and second weighted areas 14 of 3 China fir cage water processing reactors; Filter out the pollutent of larger particles through weighted areas, the absorption interception and the microbiological deterioration of holding back district's short-tube filling layer through absorption again are improved polluted-water water quality.
That the present invention utilizes is biological floating bed, China fir cage water processing reactor and the Trinitarian combination process of coupling device and carrier, waterplant, the efficient Trinitarian ecosystem of water purification mikrobe are constructed mode.The aquatic landscape plant of plantation in ecological floating island upper end biological floating bed utilizes waterplant to absorb nutritive elements such as nitrogen in the water body, phosphorus, and utilizes the flourishing intensive root system of waterplant to filter graininess pollutent and algae in the removal water; In the China fir cage water processing reactor of ecological floating island bottom, stack a large amount of short-tube fillings naturally and grow the large number of biological film, utilize short-tube filling to utilize a large amount of efficient water purification mikrobe that is attached in the short-tube filling to purify water simultaneously the absorption-interception function of pollutent in the water body through cultivating domestication; The intermediary coupling device links to each other with bottom China fir cage water processing reactor top is biological floating bed dexterously, has both guaranteed that top is biological floating bed to fluctuate and not with the vertical drift of current, letter has economized extra fixing biological floating bed engineering measure again with change of level.

Claims (3)

1. the ecological floating island device of a purifying slightly polluted water body; It is characterized in that: this chinampa device comprises biological floating bed (1), China fir cage water processing reactor (3) and coupling device (2); Said biological floating bed (1) comprises M * N floating bed unit; Said M * N is 5 * 8 or 8 * 10; Be provided with the cord that has ball float between two adjacent floating bed unit; Said floating bed unit comprises that two groups of water bottle groups, two PVC sleeve pipes (16) and two volutions are connected iron wire (15); Said water bottle group is arranged side by side by two water bottles and connects and composes with double spherical iron wire flange (18), and two bottle caps on one group of water bottle group are connected with another two bottle caps organizing on water bottle group through PVC sleeve pipe (16), and said two volutions connection iron wires (15) lay respectively at PVC sleeve pipe (16) both sides and the double spherical iron wire flange (18) on two groups of water bottle groups is connected;
Said China fir cage water processing reactor (3) is processed rectangular-shaped boxes and baskets (19) for the China fir bar; The length and width of boxes and baskets (19) equate, are 1.8-2.0m, highly are 0.5-1.0m; The China fir stripe pitch is 15-20cm on each face of boxes and baskets (19); The antirust wire netting of coated outside one deck (20) of boxes and baskets, boxes and baskets vertically are provided with the two sides wire netting in (19), and the interior space of boxes and baskets (19) is separated into first weighted areas (13), packing area and second weighted areas (14) successively; Said first weighted areas (13) all equates with the wide height of boxes and baskets with the wide height of second weighted areas (14); Its length is 0.2-0.4m, all fills up gravel or the cobble that particle diameter is 2-5cm in said first weighted areas (13) and second weighted areas (14), fills up short-tube filling (9) in the said packing area; Said boxes and baskets bottom surface is provided with four supporting legs (11); Said short-tube filling (9) soaks in EM bacterium, BZT microbiobacterial agent or GF series culture of strains liquid before using turns out microbial film; Said short-tube filling (9) is for being that to fire the diameter that forms under 700 ℃ be 2-3cm at carbonization temperature, and length is the bamboo charcoal tube of 6-10cm;
Said coupling device (2) comprises that 4 connect monomer; Said connection monomer comprises smooth hard rod member, the first smooth copper ring (8), the second smooth copper ring, pallet (6), caoutchouc rope (5) and long straight traction rope (7); The said first smooth copper ring (8) slides and is placed on the smooth hard rod member; The upper end of said smooth hard rod member is connected with the center fixation of pallet (6) bottom; The radius of said pallet is greater than the internal diameter of the first smooth copper ring (8), and the said second smooth copper ring links to each other with pallet (6) through caoutchouc rope (5), and an end of the straight traction rope of said length (7) passes the second smooth copper ring and is connected with the first smooth copper ring (8); Said four connect monomeric smooth hard rod member lower end difference vertical fixing on four angles of China fir cage water processing reactor (3) upper surface, and said four straight traction ropes of length (7) that connect on the monomers link to each other with biological floating bed (1) four angle respectively.
2. according to the ecological floating island device of claims 1 said a kind of purifying slightly polluted water body; It is characterized in that: hang with the plant basket between two the PVC sleeve pipes (16) on said each floating bed unit; Said plant basket is placed with emergent, expansion sponge and earth, and the emergent root wraps earth and stipe part and wraps the expansion sponge and with nylon gauze plant root and stipe part are wrapped up together.
3. according to the ecological floating island device of claims 1 said a kind of purifying slightly polluted water body, it is characterized in that: said water bottle is the plastics rounding column carafe of same specification, and body does not have breakage, is with supporting bottle cap, and body length is 22-30 cm, diameter 6-10cm.
CN2011100753214A 2011-03-28 2011-03-28 Ecological floating island device for purifying micro-polluted water bodies Expired - Fee Related CN102173512B (en)

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CN102587319A (en) * 2012-03-10 2012-07-18 上海市农业科学院 Ecological T-shaped submerged dike for river pollution treatment
CN103204610B (en) * 2013-05-06 2014-01-01 河海大学 Compound deep purification ecological floating bed with external carbon source and purification treatment method thereof
CN104649417A (en) * 2015-02-06 2015-05-27 常州大学 Heat-preservation and ecological filter floating bed
CN104609564B (en) * 2015-03-04 2018-01-05 重庆文理学院 Energy-saving radial-flow denitrogenation chinampa
CN105923892B (en) * 2016-04-29 2019-01-29 南昌工程学院 A kind of municipal lake comprehensive anti-pollution method
CN108751388A (en) * 2018-06-20 2018-11-06 东北师范大学 It is a kind of to be used in environment water using micro- plastics as the biological film culture device of matrix
CN110526410A (en) * 2019-09-09 2019-12-03 上海环境绿色生态修复科技有限公司 A kind of riverway water quality purification combination unit

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JP2002205092A (en) * 2001-01-15 2002-07-23 Ryoichi Tsumoto Plantation for water cleaning
CN2763259Y (en) * 2005-01-13 2006-03-08 河海大学 Floating bed plants, and equipment for purifying polluted river by using bio-membrane bios and ecologic tech.
CN2931463Y (en) * 2006-07-25 2007-08-08 山东大学 Treatment of organism suspending island by adjustable water body
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

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