CN102113446A - Artificial wetland warm season and cold season plants interplanting configuration method in subtropical areas - Google Patents
Artificial wetland warm season and cold season plants interplanting configuration method in subtropical areas Download PDFInfo
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- CN102113446A CN102113446A CN2010102884579A CN201010288457A CN102113446A CN 102113446 A CN102113446 A CN 102113446A CN 2010102884579 A CN2010102884579 A CN 2010102884579A CN 201010288457 A CN201010288457 A CN 201010288457A CN 102113446 A CN102113446 A CN 102113446A
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Abstract
The invention relates to an artificial wetland warm season and cold season plants interplanting configuration method in subtropical areas, naturally and alternately growing characteristics of warm season and cold season plants are utilized, warm season plants are harvested firstly when the overground parts of autumn plants are withered and yellow, then cold season plants are interplanted between the plants, the overground parts of the warm season plants are dead when in cold seasons, the clod season plants grow naturally and can be harvested when in late spring, and at the time, the overground parts of the warm season plants have grown. According to the invention, the season changing problem of the plants can be solved, the warm season plants do not need to be changed, the microenvironment conditions nearby the root are not changed, the sewage treating effect can be ensured, the influence of seasons and climates is less, the aspect change of the plant is increased, and the stronger view effect can be achieved.
Description
Technical field
The present invention relates to a kind of subtropical zone artificial swamp warm season and cold season plant interplanting collocation method of being used for, the application of a kind of plant interplanting configuration mode of saying so more specifically at subtropical zone purifying domestic sewage subsurface constructed wetland.
Background technology
Artificial swamp is a kind of wet land system for dispose of sewage artificial design-build, through engineering approaches, usually form by artificial substratum and the water plants that is grown in wherein, be the water-soil-plant-microbial ecosystem of a uniqueness, its physics, chemistry, biological synergy can effectively be disposed of sewage.Compare with the traditional active sludge treatment technology, artificial swamp has advantages such as pollutant removal is good, the anti impulsion load ability is strong, operating cost is low, maintenance management is easy, and artificial swamp has at home and abroad obtained using widely.
China belongs to the subtropical zone, the constructed wetland plant of this area's extensive use at present generally to during winter overground part branch withered gradually, therefore, most artificial swamps of operation are not all considered the problem that winter, plant was changed according to the season at present, generally preceding in the winter time harvesting plant, only rely on the autumn foot end to survive the winter, next year sprouts as the next year plant again, and this just causes artificial wet land system unstable and relatively poor problem of landscape effect of water treatment effect during winter.The stability of system handles effect is the key of artificial swamp technology, also is the difficult point that subtropical zone artificial swamp large tracts of land is promoted operation.
Therefore, solve subtropical zone plant in winter problem, at first must screen and a collection ofly can survive the winter and have the wetland plant of certain biomass winter, and then carry out the collocation in plant changes in temperature seasons and solve the problem of changing according to the season of plant in the subtropical zone.
Summary of the invention
The withered problem of plant during at present subtropical zone artificial wetland winter, the present invention aims to provide the interplanting configuration of a kind of warm-season plant and cold season plant, improves the efficient of artificial swamp waste water treatment in winter.
A kind of subtropical zone artificial swamp warm season of the present invention and cold season plant interplanting collocation method, be on artificial swamp matrix, adopt warm-season plant and cold season plant to interplant configuration, make warm-season plant and cold season plant alternating growth, and be connected with original various matrix, plant, microorganism in the artificial swamp, described cold season plant is: German iris, rape, Chinese celery and pot marigold; Described warm-season plant is: India canna, power flower, Scirpus tabernaemontani and mullet grass again; Its specific implementation process is: the 8-9 month is planted the warm-season plant India canna successively according to equal proportion, power is spent again, Scirpus tabernaemontani, the mullet grass, to autumn end, the warm-season plant overground part begins withered and yellow, gather in conjunction with warm-season plant, between the plant of warm-season plant, interplant cold season plant Germany iris successively according to equal proportion, rape, Chinese celery, four kinds of cold season plants of pot marigold, enter winter, the warm-season plant acrial part is withered substantially, at this moment the cold season plant between plant grows, up to spring end next year, the cold season plant is finished a life cycle gradually, it is extracted with root results together, this moment, the rudiment that also begins of four kinds of warm-season plants grew, and entered next warm-season plant growth cycle, finished a plant and changed according to the season the cycle.
Method among the present invention can be planted on any type of subsurface constructed wetland matrix.
Method of the present invention is particularly suitable for using at subtropical zone purifying domestic sewage subsurface constructed wetland.
Beneficial effect of the present invention is as follows:
1) the present invention is by the interplanting of warm season and cold season plant, can be good at solving the problem of changing according to the season of plant, do not need plant is changed kind, do not change near the microenvironment situation of root system, can guarantee wastewater treatment efficiency, can on any artificial swamp matrix of operation at present, plant, it is little influenced by seasonal climate, wastewater purifying efficiency is good, and the aspect that this interplanting combination can increase plant changes, and has very strong aesthetic;
2) change the season that can realize plant fast, do not need plant is changed kind, do not have plant to change the seedling-slowing stage of planting, can guarantee the waste water treatment lasting effect;
3) interplanting does not need to change kind, does not change near the microenvironment situation of root system, guarantees the waste water treatment lasting effect;
4) can obtain better plants landscape and be worth, the aspect that has increased plant changes;
5) plant origin is convenient, and the breeding convenient management can be planted on all constructed wetland beds;
6) clean-up effect is better, can apply in the subtropical zone, is particularly suitable for town domestic sewage and handles project.
Description of drawings
Fig. 1 is an artificial wet land treating system plants configuration comparative trial schematic diagram.
Embodiment
Below by in conjunction with the embodiments the present invention being further specified:
The screening of plant
Screening by the inventor, consider whether clean-up effect, material obtain easily, the whether influence of factors such as unanimity, the plant growing amount harvest time of plant.Determine India canna (Canna indica), power flower (Thalia dealbata), Scirpus tabernaemontani (Scirpus validus), mullet grass (Pontederia cordata) are the warm-season plant of interplanting again; Determine German iris (Iris pseudoacorus), rape (Brassicacapestris), Chinese celery (Oenanthe javanica), the cold season plant of pot marigold (Calendula officinalis) for interplanting.
Experiment material and design
Carry out in artificial swamp pilot scale base, school district, Sino-South African Forestry University of Science and Technology Zhuzhou, the vertical subsurface flow wetland (referring to Fig. 1) that facility scheme system adopts three covers and connects, be respectively warm season and cold season plant interplanting pattern (A), warm-season plant pattern (B) and no plant contrast (C), every grade of unit bed body specification is: long * wide * dark=5 * 2 * 1m, packing layer is a vermiculite.
The concrete mode of plants configuration
1) warm season and cold season plant interplanting pattern (A): the 8-9 month is planted warm-season plant India canna (Canna indica) successively according to equal proportion, power is spent (Thalia dealbata) again, Scirpus tabernaemontani (Scirpus validus), mullet grass (Pontederia cordata), to autumn end (November), the warm-season plant overground part begins withered and yellow, gather in conjunction with warm-season plant, between the plant of warm-season plant, interplant cold season plant Germany iris (Iris pseudoacorus) successively according to equal proportion, rape (Brassicacapestris), Chinese celery (Oenanthejavanica), pot marigold (Calendula officinalis), four kinds of cold season plants, enter winter, the warm-season plant acrial part is withered substantially, at this moment the cold season plant between plant grows, up to spring end next year (May), the cold season plant is finished a life cycle gradually, it can be extracted with root results together, this moment, the rudiment that also begins of four kinds of warm-season plants grew, enter next warm-season plant growth cycle, this just finishes a plant and changes according to the season the cycle.
2) warm-season plant pattern (B): the 8-9 month is planted warm-season plant India canna (Cannaindica), power flower (Thalia dealbata), Scirpus tabernaemontani (Scirpus validus), mullet grass (Pontederiacordata) more successively according to equal proportion, to autumn end (November), the warm-season plant overground part begins withered and yellow the harvesting, do not plant any plant after the harvesting, allow the plant underground part survive the winter, 1 year (May), sprouting entered next warm-season plant growth cycle.
3) no plant contrast (C): do not plant any plant, as experiment contrast.
Experiment process and operational management
Water inlet is student life district sewage, main water quality index: chemical oxygen demand (COD
Cr) be 164.58-207.09mgL
-1, total nitrogen (TN) is 37.5-55.64mgL
-1, total phosphorus (TP) is 2.93-3.17mgL
-1During the experimental study, the hydraulic load average out to 1.5md of this artificial swamp operation
-1, system's running continuously in 24 hours.
Experimental result
Three kinds of patterns are to chemical oxygen demand (COD
Cr) the removal effect analysis
Three kinds of patterns of table 1 are to COD
CrClearance relatively
*: significant difference, P＜0.05, * *: difference highly significant, P＜0.01, (A-B* represents significant difference between A and the B unit).
Table 1 has provided three kinds of patterns to COD
CrClearance, the result shows, in whole experimental session system to COD
CrAverage removal rate, plant interplanting pattern exceeds warm-season plant pattern 2.42% respectively, no plant pattern 11.55%.
From overlapping plant species pattern and warm-season plant pattern month relatively, in October-November, plant all is not subjected to the influence of low temperature, and difference is not remarkable, December occurs low temperature, and warm-season plant is endured cold, and this moment, the cold season plant just in time grew, and illustrated that cover plant species pattern is to COD
CrClearance mainly is presented as the growth vigor of cold season plant, and therefore, from 1 to March, cover plant species pattern is to COD
CrThe clearance utmost point be significantly higher than warm-season plant pattern (P＜0.01).
Three kinds of patterns are to the analysis of total nitrogen (TN) removal effect
Three kinds of patterns of table 2 to the TN clearance relatively
*: significant difference, P＜0.05, * *: difference highly significant, P＜0.01, (A-B* represents significant difference between A and the B unit).
Table 2 has provided the clearance of three kinds of modular systems to TN, and the result shows, the average removal rate in whole experimental session system to TN, and cover plant species pattern exceeds warm-season plant mode 3 .22%, no plant pattern 11.44% respectively.
Cover plant species pattern and warm-season plant pattern month are relatively, 10-11 month plant all is not subjected to the influence of low temperature, the two does not have significant difference, to December, warm-season plant is endured cold, and the cold season plant just in time begins vigorous growth, therefore, from 12 to April, cover plant species pattern is significantly higher than warm-season plant pattern (P＜0.01) to the clearance utmost point of TN.
Three kinds of patterns are to the analysis of total phosphorus (TP) removal effect
Three kinds of patterns of table 3 to the TP clearance relatively
*: significant difference, P＜0.05, * *: difference highly significant, P＜0.01, (A-B* represents significant difference between A and the B unit).
Table 3 has provided the clearance of three plant species patterns to TP, and the result shows, to the TP average removal rate, cover plant species pattern exceeds warm-season plant pattern 2.02%, no plant pattern 5.41% respectively in whole experimental session system.
Cover plant species pattern and warm-season plant pattern month are relatively, because September, system just set up, not remarkable between each pattern to TP clearance difference, from October to December, two kinds have the plant pattern all the utmost point be significantly higher than no plant pattern (P＜0.01), but two kinds have between the plant pattern difference not remarkable, during January, two kinds have the plant pattern all the utmost point be significantly higher than no plant pattern (P＜0.01), plant interplanting in February pattern TP clearance is significantly higher than warm-season plant pattern and no plant pattern (P＜0.05), overlaps the plant species pattern utmost point April and is significantly higher than warm-season plant pattern and no plant pattern (P＜0.01).
Claims (3)
1. subtropical zone artificial swamp warm season and cold season plant interplanting collocation method, it is characterized in that: on artificial swamp matrix, adopt warm-season plant and cold season plant to interplant configuration, make warm-season plant and cold season plant alternating growth, and be connected with original various matrix, plant, microorganism in the artificial swamp, described cold season plant is: German iris, rape, Chinese celery and pot marigold; Described warm-season plant is: India canna, power flower, Scirpus tabernaemontani and mullet grass again; Its specific implementation process is: the 8-9 month is planted the warm-season plant India canna successively according to equal proportion, power is spent again, Scirpus tabernaemontani, the mullet grass, to autumn end, the warm-season plant overground part begins withered and yellow, gather in conjunction with warm-season plant, between the plant of warm-season plant, interplant cold season plant Germany iris successively according to equal proportion, rape, Chinese celery, four kinds of cold season plants of pot marigold, enter winter, the warm-season plant acrial part is withered substantially, at this moment the cold season plant between plant grows, up to spring end next year, the cold season plant is finished a life cycle gradually, it is extracted with root results, this moment, the rudiment that also begins of four kinds of warm-season plants grew, and entered next warm-season plant growth cycle, finished a plant and changed according to the season the cycle.
2. a kind of subtropical zone artificial swamp warm season according to claim 1 and cold season plant interplanting collocation method, it is characterized in that: described artificial swamp is a subsurface constructed wetland.
3. a kind of subtropical zone artificial swamp warm season according to claim 2 and cold season plant interplanting collocation method, it is characterized in that: described artificial swamp is the purifying domestic sewage subsurface constructed wetland.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860224A (en) * | 2012-09-27 | 2013-01-09 | 中南林业科技大学 | Root system induction method of woody plants in subsurface flow constructed wetland environment |
| CN102874931A (en) * | 2012-09-27 | 2013-01-16 | 中南林业科技大学 | Configuration method for undercurrent type artificial wetland woody plants in subtropical areas |
| CN103181293A (en) * | 2013-04-07 | 2013-07-03 | 镇江瑞繁农艺有限公司 | Seed collecting and cultivating method for interplanting radix tetrastigme with coreopsis |
| CN106830343A (en) * | 2017-03-09 | 2017-06-13 | 南京大学 | The method that the unbalance tail water wetland nitrogen removal rate of carbon nitrogen is improved using water plant |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528680A (en) * | 2003-10-17 | 2004-09-15 | 华南农业大学 | Municipal sewage composite artificial wet land denitrifying and dephosphorizing method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528680A (en) * | 2003-10-17 | 2004-09-15 | 华南农业大学 | Municipal sewage composite artificial wet land denitrifying and dephosphorizing method |
Non-Patent Citations (4)
| Title |
|---|
| 《中药材天地网》 20081225 佚名 薏苡套种红花与循环改良湿地水土 http://www.zyctd.com/info-item-161899-1-1.html 1-3 , * |
| 《中药材天地网》 20081225 佚名 薏苡套种红花与循环改良湿地水土 http://www.zyctd.com/info-item-161899-1-1.html 1-3 , 2 * |
| 《环境科学学报》 20080831 陈永华等 处理生活污水湿地植物的筛选与净化潜力评价 , * |
| 《环境科学学报》 20080831 陈永华等 处理生活污水湿地植物的筛选与净化潜力评价 , 2 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860224A (en) * | 2012-09-27 | 2013-01-09 | 中南林业科技大学 | Root system induction method of woody plants in subsurface flow constructed wetland environment |
| CN102874931A (en) * | 2012-09-27 | 2013-01-16 | 中南林业科技大学 | Configuration method for undercurrent type artificial wetland woody plants in subtropical areas |
| CN102860224B (en) * | 2012-09-27 | 2013-06-12 | 中南林业科技大学 | Root system induction method of woody plants in subsurface flow constructed wetland environment |
| CN103181293A (en) * | 2013-04-07 | 2013-07-03 | 镇江瑞繁农艺有限公司 | Seed collecting and cultivating method for interplanting radix tetrastigme with coreopsis |
| CN106830343A (en) * | 2017-03-09 | 2017-06-13 | 南京大学 | The method that the unbalance tail water wetland nitrogen removal rate of carbon nitrogen is improved using water plant |
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| CN102113446B (en) | 2012-07-25 |
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