CN103241906B - Sewage treatment method and device for reusing reclaimed water as landscape water - Google Patents

Sewage treatment method and device for reusing reclaimed water as landscape water Download PDF

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Publication number
CN103241906B
CN103241906B CN201310205678.9A CN201310205678A CN103241906B CN 103241906 B CN103241906 B CN 103241906B CN 201310205678 A CN201310205678 A CN 201310205678A CN 103241906 B CN103241906 B CN 103241906B
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water
pool
tank
iron charcoal
reaction tank
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CN103241906A (en
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张列宇
于雷
熊瑛
贺欣
高姍姍
欧阳博
马克·奥斯特兰德
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Hundred Austrian source of environmental protection technology (Beijing) Co., Ltd.
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WUXI BIOHAVEN ECOLOGY ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Abstract

The invention discloses a sewage treatment device for reusing reclaimed water as landscape water. The device comprises a multifunctional adjusting tank, a deodorization device, an internal electrolysis anaerobic/anoxic biological iron carbon reaction tank, a flexible biological membrane contact oxidation tank, an air blower room, a sedimentation tank and an ecological landscape pond. The device adopts an A2/O technology and combines the advantages of two wastewater treatment methods including an iron carbon filtration method and a biological iron method. In a sewage treatment process, micro-electrolysis is used as a pretreatment technology; and when the sewage flows through three different functional areas including an anaerobic area, an anoxic area and an aerobic area, the organics, N, P and the like in the sewage are removed under the effect of different microbial floras. In combination with the ecological landscape pond, the dissolved oxygen quantity of the water body is increased, and the water quality is further improved. The device for reusing reclaimed water as landscape water is favorable for protecting the environment, reducing the cost of environment beautifying and protecting the ecological balance of aquatic organisms, and has the characteristics of stability and reliability, low operation energy consumption, saving of operation cost, easiness in maintenance and management and the like.

Description

A kind of sewage water treatment method of reclaimed water reuse landscape water body and device
Technical field
The invention belongs to sewage treatment area, relate to particularly a kind of waste disposal plant of reclaimed water reuse landscape water body.
The invention still further relates to a kind of method of utilizing said apparatus to carry out sewage disposal.
Background technology
At present, China is the country of a water resources critical shortage, accounts for 8% of World Water total resources, but maintains the existence of the Zhe Zhan world 21.15% population.Day by day serious along with the shortage of Freshwater resources and water pollution; external increasing city by sewage purification and reuse in consumable water of sight and amusement; this is not only beneficial to environment protection, reduces the expense of beautifying the environment, and is conducive to protect the hydrobiological eubiosis.
At present China is at the early-stage in consumable water of sight and amusement by sewage purification and reuse, use arrange that floor space is large, running cost is higher, particularly the organic waste water reclamation rate of high density is low, direct outer row just after general simple process.Thereby, how to use cheap cost-effective by reusing sewage landscape water body, reach beautify the environment, the object of maintaining ecological balance just becomes current scholar and the important topic of engineering staff's research.
Summary of the invention
The object of the present invention is to provide a kind of waste disposal plant of reclaimed water reuse landscape water body.
Another object of the present invention is to provide a kind of method of utilizing said apparatus to carry out sewage disposal.
For achieving the above object, the waste disposal plant of reclaimed water reuse landscape water body provided by the invention, mainly comprises:
Multifunctional adjusting tank, its feed-water end is provided with planar grille, electrolysis anaerobe iron charcoal reaction tank in water side connects;
The inside of the inside of interior electrolysis anaerobe iron charcoal reaction tank and interior electrolysis anoxic Biology-iron charcoal reaction tank is all hung with combined elastic filler, and pond inner bottom part is all placed with iron filler and charcoal filler; Electrolysis anoxic Biology-iron charcoal reaction tank in interior electrolysis anaerobe iron charcoal reaction tank water side connects, the inner gas blower that connects of interior electrolysis anoxic Biology-iron charcoal reaction tank carries out water body oxygenation;
Interior electrolysis anoxic Biology-iron charcoal reaction tank water side connects Biology-iron charcoal and holds back pond, Biology-iron charcoal is held back pond bottom and is connected to by sludge pipe the bottom of interior electrolysis anaerobe iron charcoal reaction tank, and Biology-iron charcoal is held back water side, pond and connected flexible biological film catalytic oxidation filter tank;
The inside hanging flexible biological membrane carrier in flexible biological film catalytic oxidation filter tank, flexible biological film catalytic oxidation filter tank inner bottom part is equipped with aeration head, and aeration head is connected to gas blower, to the water body oxygenation in flexible biological film catalytic oxidation filter tank; Water side, flexible biological film catalytic oxidation filter tank connects settling tank, and settling tank is connected to the bottom of interior electrolysis anaerobe iron charcoal reaction tank by sludge pipe;
Settling tank connects the ecoscape pool;
Multifunctional adjusting tank, interior electrolysis anaerobe iron charcoal reaction tank, interior electrolysis anoxic Biology-iron charcoal reaction tank, flexible biological film catalytic oxidation filter tank are all connected odor removal with settling tank.
Described waste disposal plant, wherein, electrolysis anaerobe iron charcoal reaction tank in Multifunctional adjusting tank water side connects by submersible sewage pump.
Described waste disposal plant, wherein, the combined elastic filler of hanging in interior electrolysis anaerobe iron charcoal reaction tank and in interior electrolysis anoxic Biology-iron charcoal reaction tank is Φ 120, L1200 combined elastic filler, iron filler is pressed 20-30kg/kg COD and is calculated, and charcoal filler is pressed 30-40kg/kg COD and calculated
Described waste disposal plant, wherein, the flexible biological membrane carrier of inside, flexible biological film catalytic oxidation filter tank is pressed 1-2m 2/ m 3hanging.
Described waste disposal plant, wherein, what flexible biological film catalytic oxidation filter tank inner bottom part was laid is disc type micro porous aeration head, and disc type micro porous aeration head is all connected with gas blower by DN100 blast main with interior electrolysis anoxic Biology-iron charcoal reaction tank inside.
Described waste disposal plant, wherein, the ecoscape pool is divided into the high-order pool and the low level pool, and the depth of water on the high-order pool is higher than the depth of water on the low level pool; On the low level pool, submersible pump is set, by submersible pump, the water on the low level pool is evacuated to the high-order pool, the water in the high-order pool is slow simultaneously falls and the lower inflow low level pool, thereby forms running water landscape; In the view pool, establish artificial floating island, on chinampa, plant and be implanted with that view is good, strong stress resistance, the plant that can improve water quality.
Described waste disposal plant, wherein, odor removal is HSCC type biological deodorizing filter bed.
The method of utilizing above-mentioned waste disposal plant to carry out sewage disposal provided by the invention, its main process is:
Sewage enters into Multifunctional adjusting tank through grid filtration, water quality to sewage, the water yield are carried out homogenizing adjusting and are made animals and plants wet goods pollutent hydrolytic digestion, then enter interior electrolysis anaerobe iron charcoal reaction tank and interior electrolysis anoxic Biology-iron charcoal reaction tank organic pollutant is carried out to biochemical also dephosphorization denitrogenation and the raising BOD of decomposing of anaerobic/anoxic 5/ COD crratio, then enters Biology-iron charcoal and holds back in pond;
The sludge reflux that Biology-iron charcoal is held back in pond carries out recycle and digestion decrement processing in interior electrolysis anaerobe iron charcoal reaction tank, sewage flows into flexible biological film catalytic oxidation filter tank, decompose and precipitate by flowing into settling tank after the nitrated ammonia nitrogen denitrogenation processing of nitration denitrification biological process through aerobic biochemical, clear water after precipitation flows into the ecoscape pool, and precipitation enters in interior electrolysis anaerobe iron charcoal reaction tank carries out recycle and digestion decrement processing;
In the ecoscape pool, low level pool water is evacuated to the high-order pool, through being communicated with slow the falling of canal, the lower inflow low level pool forms running water landscape to high-order pool water simultaneously;
Ecoscape is established artificial floating island in the pool, plants and is implanted with that view is good, strong stress resistance, the plant that can improve water quality on artificial floating island, and ecoscape has been put organism in water in a suitable place to breed in the pool; By the ecoscape pool to improve Dissolved Oxygen in Water, and by the absorption conversion process of plant to remove organic pollutants and nitrogen and phosphorus pollution thing.
Described method, wherein, the ecoscape pool is natural substrate and sloping bank under water, and natural substrate kind is implanted with one or more of water caltrop, pale reddish brown foxtail, black algae under water, and land and water ecotone kind is implanted with wild arrowhead and calamus.
Described method, wherein, the plant of planting on artificial floating island is one or more in yellow flag, Siberian iris, typha minima grass and Canna generalis Bailey.
The present invention has that technical process is simple, floor space is little, installations and facilities are succinct, utilization ratio is high, treatment effect is good, the advantages such as equipment construction investment is simultaneously little, economic operating cost, high concentrated organic wastewater or sanitary sewage are carried out to deep purifying, after reaching " water quality standard of reclaimed water reuse landscape water body " (CJ/T 95 2000), be back to use in landscape water body, greatly save water resources, can be widely applied to the landscape water bodies such as incity, city size natural lake, man-made lake, moat.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
Main mark nomenclature in accompanying drawing:
Water-in 1; Grid 2; Multifunctional adjusting tank 3; Submersible sewage pump 4; Odor removal 5; Interior electrolysis anaerobe iron charcoal reaction tank 6; Interior electrolysis anoxic Biology-iron charcoal reaction tank 7; Biology-iron charcoal is held back pond 8; Φ 120, L1200 combined elastic filler 9; Iron filler and charcoal filler 10; DN100 sludge pipe import 11; DN50 blast main import 12; Sludge pump 13; Flexible biological film catalytic oxidation filter tank 14; Flexible biological membrane carrier 15; Disc type micro porous aeration head 16; Air blast machine room 17; Root's blower 18; Settling tank 19; Sewage submersible pump 20; The ecoscape pool 21; The high-order pool 22; The low level pool 23; Artificial floating island 24; Sewage submersible pump 25; Sludge pipe 26; Foul smell pipeline 27; Air line 28.
Embodiment
The present invention adopts A 2/ O (anaerobism, anoxic, aerobic biological denitrification dephosphorization) technique, in anaerobism, anoxic, aerobic environment, hocket, through hydrolysis, micro-electrolysis and with biochemical reactions such as iron bacteria, anerobe, amphimicrobes, binding substances Physicochemical adsorption precipitation again, plant absorb conversion process etc., efficient Organic Pollutants in Wastewater and the nitrogen and phosphorus pollution thing removed, and animal-plant oil in waste water, meet the processing requirement of reusing sewage landscape water body.
The waste disposal plant of reclaimed water reuse landscape water body provided by the invention, mainly comprises:
Multifunctional adjusting tank, hydraulic detention time >=4 hour, equalizing tank feed-water end is established stainless steel planar grille, grid seam 30mm; After equalizing tank, establish submersible sewage pump, for the interior electrolysis anaerobic/anoxic Biology-iron charcoal reaction tank water delivery to next stage.
Interior electrolysis anaerobic/anoxic Biology-iron charcoal reaction tank is divided into interior electrolysis anaerobe iron charcoal reaction tank and interior electrolysis anoxic Biology-iron charcoal reaction tank, in two ponds, all hang Φ 120, L1200 combined elastic filler, pond inner bottom part iron filler is pressed 20-30kg/kg COD and is calculated, and charcoal filler is pressed 30-40kg/kg COD and calculated.Behind pond, establish Biology-iron charcoal and hold back pond, and establish sludge pump and will deposit dredge pump to equalizing tank and promote pumping hole, to send into the recycle of Biology-iron charcoal reaction tank.
Hanging flexible biological membrane carrier in flexible biological film contact-oxidation pool, by 1-2m 2/ m 3arrange.Disc type micro porous aeration head is laid in bottom, is connected with air blast machine room by DN100 blast main, is convenient to water body aeration aerating.
Air blast machine room adopts gas blower aerating system, provides pressure air source with Root's blower, to the water body oxygenation in flexible biological film contact-oxidation pool and interior electrolysis anoxic Biology-iron charcoal reaction tank.
After flexible biological film contact-oxidation pool, establish settling tank, in settling tank, having hydraulic detention time is 1.7 hours, with by aging peel off the precipitations such as microbial film and with sewage submersible pump, precipitation be pumped to the interior electrolysis anaerobic/anoxic Biology-iron charcoal reaction tank that processing power is powerful carry out digestion decrement processing.
After settling tank, connect the ecoscape pool, point high-order pool and the low level pool, the depth of water≤1.5m is controlled on the high-order pool, and the depth of water≤1.2m is controlled on the low level pool.If low level pool water is evacuated to the high-order pool by sewage submersible pump, through being communicated with slow the falling of canal, the lower inflow low level pool forms running water landscape to high-order pool water simultaneously.In the view pool, establish artificial floating island, on chinampa, plant that the views such as yellow flag, Siberian iris, typha minima grass and Canna generalis Bailey are good, strong stress resistance, the plant of improving water quality.
In in the present invention, sludge pipe is established in electrolysis anaerobe iron charcoal reaction tank bottom, the sludge pump of holding back in pond with Biology-iron charcoal is connected, be connected with the sewage submersible pump in settling tank in addition, reclaim and digestion decrement processing to the mud at two places is pumped into the interior electrolysis anaerobe iron charcoal reaction tank that processing power is powerful.
In the present invention, Multifunctional adjusting tank, interior electrolysis anaerobism, anoxic Biology-iron charcoal reaction tank, flexible biological film contact-oxidation pool are connected with odor removal by pipeline with settling tank, and foul gas is concentrated and purified the processing of deodorizing.Odor removal adopts HSCC type biological deodorizing filter bed, and the foul gas in combination is concentrated and purified the processing of deodorizing.
In the present invention, the ecoscape pool is nature substrate and sloping bank, and sloping bank can be interspersed and place scape stone.Can plant water caltrop, pale reddish brown foxtail, black algae etc. under water, land and water ecotone is planted wild arrowhead, calamus etc.In the pool, put a small amount of crab Barb, crucian carp, shrimp, spiral shell, freshwater mussel in a suitable place to breed.
Can reach " reclaimed water reuse is in the water quality standard of landscape water body " (CJ/T952000) through device of the present invention water outlet after treatment, that is: COD cr≤ 50mg/L, BOD 5≤ 10mg/L, SS≤10mg/L, total phosphorus≤1.0mg/L.
Below in conjunction with accompanying drawing, the present invention is described in detail.
Concrete structure of the present invention refers to Fig. 1.
Sewage enters into device from water-in 1, enter into Multifunctional adjusting tank 3 through grid 2 filteration, hydraulic detention time >=4 hour, carry out homogenizing adjusting and make animals and plants wet goods pollutent hydrolytic digestion influent quality, the water yield, move in order to subsequent treatment process unit.Then after water being pumped into interior electrolysis anaerobe iron charcoal reaction tank 6 through submersible sewage pump 4, enter again interior electrolysis anoxic Biology-iron charcoal reaction tank 7, Φ 120, L1200 combined elastic filler 9 are all hung in interior electrolysis anaerobe iron charcoal reaction tank 6 and interior electrolysis anoxic Biology-iron charcoal reaction tank 7 inside, bottom filling iron filler and charcoal filler 10.Sewage successively through interior electrolysis anaerobe iron charcoal reaction tank 6 and interior electrolysis anoxic Biology-iron charcoal reaction tank 7 to cross water organic pollutant particularly the more difficult biochemical animals and plants wet goods decomposing carry out that efficient anaerobic anoxic is biochemical decomposes and dephosphorization denitrogenation and improve BOD 5/ COD crratio, enters into Biology-iron charcoal and holds back pond 8 after processing.
The mud that Biology-iron charcoal is held back in pond 8 pumps into sludge pipe 26 by sludge pump 13, is then back to interior electrolysis anaerobe iron charcoal reaction tank 6 through DN100 sludge pipe import 11, and sewage flows into flexible biological film catalytic oxidation filter tank 14.Flexible biological film catalytic oxidation filter tank 14 inner hanging flexible biological membrane carrier 15, disc type micro porous aeration head 16 aeration aeratings are laid in the bottom in flexible biological film catalytic oxidation filter tank 14, sewage in pond, decompose through aerobic biochemical and by the nitrated ammonia nitrogen denitrogenation processing of nitration denitrification biological process after flow into settling tank 19.Settling tank 19 hydraulic detention time 1-2 hour, then sewage flows into the ecoscape pool 21.Settling tank is established sewage submersible pump 20, and precipitation is pumped into sludge pipe 26, finally enters digestion decrement processing in interior electrolysis anaerobe iron charcoal reaction tank.
The ecoscape pool 21, point high-order pool 22 and the low level pool 23, the depth of water≤1.5m is controlled on the high-order pool 22, and the depth of water≤1.2m is controlled on the low level pool 23.If low level pool water is evacuated to the high-order pool by sewage submersible pump 25, through being communicated with slow the falling of canal, the lower inflow low level pool forms running water landscape to high-order pool water simultaneously.In the view pool 21, establish artificial floating island 24, on chinampa, plant that the views such as yellow flag, Siberian iris, typha minima grass and Canna generalis Bailey are good, strong stress resistance, the plant of improving water quality.The ecoscape pool 21 is nature substrate and sloping bank, and sloping bank can be interspersed and place scape stone.Can plant water caltrop, pale reddish brown foxtail, black algae etc. under water, land and water ecotone is planted wild arrowhead, calamus etc.In the pool, put a small amount of crab Barb, crucian carp, shrimp, spiral shell, freshwater mussel in a suitable place to breed.Dissolved Oxygen in Water can be improved in the ecoscape pool 21, and the absorption conversion process of plant can be removed the pollutent such as organic pollutants and nitrogen, phosphorus.
This device is by the gas blower aerating system in air blast machine room 17, provides pressure air source with Root's blower 18, by air line 28 to interior electrolysis anoxic Biology-iron charcoal reaction tank 7 and flexible biological film catalytic oxidation filter tank 14 aeration aeratings in device.
Multifunctional adjusting tank 3 in device of the present invention, interior electrolysis anaerobe iron charcoal reaction tank 6, interior electrolysis anoxic Biology-iron charcoal reaction tank anoxic 7, flexible biological film catalytic oxidation filter tank 14 are connected with odor removal 5 by foul smell pipeline 27 with settling tank 19, and odor removal 5 adopts HSCC type biological deodorizing filter bed that foul gas is concentrated and purified the processing of deodorizing.
Biology-iron charcoal is held back the mud in pond 8 and settling tank 19, is pumped into the interior electrolysis anaerobe iron charcoal reaction tank 6 that processing power is powerful carries out recycle and digestion decrement processing by sludge pipe 26.The outer discharge capacity of whole treatment system mud is little, general half a year above can pump drainage primary sludge, the pumping of available environmental sanitation mud pumping car is also directly made greening and agricultural base manure nearby.

Claims (9)

1. a waste disposal plant for reclaimed water reuse landscape water body, mainly comprises:
Multifunctional adjusting tank, its feed-water end is provided with planar grille, electrolysis anaerobe iron charcoal reaction tank in water side connects;
The inside of the inside of interior electrolysis anaerobe iron charcoal reaction tank and interior electrolysis anoxic Biology-iron charcoal reaction tank is all hung with combined elastic filler, and pond inner bottom part is all placed with iron filler and charcoal filler; Electrolysis anoxic Biology-iron charcoal reaction tank in interior electrolysis anaerobe iron charcoal reaction tank water side connects, the inner gas blower that connects of interior electrolysis anoxic Biology-iron charcoal reaction tank carries out water body oxygenation;
Interior electrolysis anoxic Biology-iron charcoal reaction tank water side connects Biology-iron charcoal and holds back pond, Biology-iron charcoal is held back pond bottom and is connected to by sludge pipe the bottom of interior electrolysis anaerobe iron charcoal reaction tank, and Biology-iron charcoal is held back water side, pond and connected flexible biological film catalytic oxidation filter tank;
The inside hanging flexible biological membrane carrier in flexible biological film catalytic oxidation filter tank, flexible biological film catalytic oxidation filter tank inner bottom part is equipped with aeration head, and aeration head is connected to gas blower, to the water body oxygenation in flexible biological film catalytic oxidation filter tank; Water side, flexible biological film catalytic oxidation filter tank connects settling tank, and settling tank is connected to the bottom of interior electrolysis anaerobe iron charcoal reaction tank by sludge pipe;
Settling tank connects the ecoscape pool;
Multifunctional adjusting tank, interior electrolysis anaerobe iron charcoal reaction tank, interior electrolysis anoxic Biology-iron charcoal reaction tank, flexible biological film catalytic oxidation filter tank are all connected odor removal with settling tank.
2. waste disposal plant according to claim 1, wherein, electrolysis anaerobe iron charcoal reaction tank in Multifunctional adjusting tank water side connects by submersible sewage pump.
3. waste disposal plant according to claim 1, wherein, the combined elastic filler of hanging in interior electrolysis anaerobe iron charcoal reaction tank and in interior electrolysis anoxic Biology-iron charcoal reaction tank is Ф 120, L1200 combined elastic filler, iron filler is pressed 20-30kg/kg COD and is calculated, and charcoal filler is pressed 30-40kg/kg COD and calculated.
4. waste disposal plant according to claim 1, wherein, the flexible biological membrane carrier of inside, flexible biological film catalytic oxidation filter tank is pressed 1-2m 2/ m 3hanging.
5. according to the waste disposal plant described in claim 1 or 4, wherein, what flexible biological film catalytic oxidation filter tank inner bottom part was laid is disc type micro porous aeration head, and disc type micro porous aeration head is all connected with gas blower by DN100 blast main with interior electrolysis anoxic Biology-iron charcoal reaction tank inside.
6. waste disposal plant according to claim 1, wherein, the ecoscape pool is divided into the high-order pool and the low level pool, and the depth of water on the high-order pool is higher than the depth of water on the low level pool; On the low level pool, submersible pump is set, by submersible pump, the water on the low level pool is evacuated to the high-order pool, the water in the high-order pool is slow simultaneously falls and the lower inflow low level pool, thereby forms running water landscape; In the view pool, establish artificial floating island, on chinampa, plant and be implanted with that view is good, strong stress resistance, the plant that can improve water quality.
7. utilize the method that waste disposal plant carries out sewage disposal described in claim 1, its main process is:
Sewage enters into Multifunctional adjusting tank through grid filtration, water quality to sewage, the water yield are carried out homogenizing adjusting and are made vegetable and animals oils pollute thing hydrolytic digestion, then enter interior electrolysis anaerobe iron charcoal reaction tank and interior electrolysis anoxic Biology-iron charcoal reaction tank organic pollutant is carried out anaerobism and the biochemical decomposition of anoxic dephosphorization denitrogenation and improves BOD 5/ COD crratio, then enters Biology-iron charcoal and holds back in pond;
The sludge reflux that Biology-iron charcoal is held back in pond carries out recycle and digestion decrement processing in interior electrolysis anaerobe iron charcoal reaction tank, sewage flows into flexible biological film catalytic oxidation filter tank, decompose and precipitate by flowing into settling tank after the nitrated ammonia nitrogen denitrogenation processing of nitration denitrification biological process through aerobic biochemical, clear water after precipitation flows into the ecoscape pool, and precipitation enters in interior electrolysis anaerobe iron charcoal reaction tank carries out recycle and digestion decrement processing;
In the ecoscape pool, low level pool water is evacuated to the high-order pool, through being communicated with slow the falling of canal, the lower inflow low level pool forms running water landscape to high-order pool water simultaneously;
Ecoscape is established artificial floating island in the pool, plants and is implanted with that view is good, strong stress resistance, the plant that can improve water quality on artificial floating island, and ecoscape has been put organism in water in a suitable place to breed in the pool; By the ecoscape pool to improve Dissolved Oxygen in Water, and by the absorption conversion process of plant to remove organic pollutants and nitrogen and phosphorus pollution thing.
8. method according to claim 7, wherein, the ecoscape pool is natural substrate and sloping bank under water, and natural substrate kind is implanted with one or more of water caltrop, pale reddish brown foxtail, black algae under water, and land and water ecotone kind is implanted with wild arrowhead and calamus.
9. method according to claim 7, wherein, the plant of planting on artificial floating island is one or more in yellow flag, Siberian iris, typha minima grass and Canna generalis Bailey.
CN201310205678.9A 2013-05-28 2013-05-28 Sewage treatment method and device for reusing reclaimed water as landscape water Active CN103241906B (en)

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CN107215982B (en) * 2017-06-20 2018-03-27 尹泽邦 A kind of apparatus and method of multi-effect adsorption processing landscape waste water

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