Method for purifying water body by utilizing wetland woody plants

A technology of woody plants and water purification, applied in the field of water purification, to achieve rich diversity, good effect, and good decontamination effect

Active Publication Date: 2018-06-15
广州普邦园林股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

By using this method, the water body can be purified by planting woody plants, the purification ...

Method used

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  • Method for purifying water body by utilizing wetland woody plants
  • Method for purifying water body by utilizing wetland woody plants
  • Method for purifying water body by utilizing wetland woody plants

Examples

Experimental program
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Effect test

experiment example 1

[0058] Growth status of experimental example 1 plant

[0059] The growth state of plants can indirectly or directly reflect the pollution resistance and purification ability of plants. In the early stage of the experiment, various woody plants grew well, among which the autumn maple, carnation and ficus were more obvious, and the new leaves and roots of the plants were also relatively good. good. In the later stage of the test, due to the different water and pollution resistance of the 11 species of woody plants, some woody plants grew slowly, and some of the leaves of Chiselia fringa and Chinese tallow tree withered and yellowed, while some of the plants of Golden Fragrant Willow and Metasequoia withered and died in the later stage of the test The phenomenon of water weng, iron holly, pointed-leaved duying and bellows did not change much from the shape of the plants before the test.

[0060] The chlorophyll content, malondialdehyde, and plant root activity of 11 kinds of woo...

experiment example 2

[0063] Purification effect of experimental example 2 on total nitrogen in water

[0064] figure 1 The purification effect of 11 species of woody plants on total nitrogen (TN) in water is determined by figure 1 It can be seen that the change of TN concentration in the control group was relatively stable during the experiment, and at the end of the experiment, the TN concentrations of the 11 woody plant treatment groups were all lower than those in the control group. On the 8th day, the TN concentrations of each treatment group decreased, among which, the TN concentrations of the treatments of Carica carmona and Qiufeng decreased the most significantly, decreasing by 2.27mg / L and 2.05mg / L respectively, while Metasequoia had the best TN removal effect. Poor, only decreased by 0.24mg / L, except Metasequoia and bellows tree, which had no significant difference from the control, the rest of the plants had significant differences from the control. From the 8th day to the 13th ...

experiment example 3

[0066] Purification effect of experimental example 3 on total phosphorus in water

[0067] figure 2 is the purification effect of 11 species of woody plants on total phosphorus (TP) in the water body, determined by figure 2 It can be seen that during the test, the TP concentration in each treatment showed a downward trend. On the 8th day, compared with the control, there was no significant difference in the TP concentration in the depleted water of Suicha, Chinese tallow and Metasequoia, and the TP concentration in the rest of the treatments decreased significantly, and the difference was significant, while the autumn maple, bellows tree and Carina carunculus had no significant difference The removal effect of TP concentration in water was better; at the 13th day, compared with the control, the removal effect of TP in water by other treatments was more obvious than that of the control, and these 3 plants were compared with There was no significant difference in the control...

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Abstract

The invention provides a method for purifying a water body by utilizing wetland woody plants. The woody plants utilized by the method is one or several of bischofia javanica, callistemon viminalis, cephalanthus occidentalis, elaeocarpus hainanensis, barringtonia racemosa, elaeocarpus apiculatus, ilex rotunda, cleistocalyx operculatus, melaleuca bracteata, sapium sebiferum and metasequoia. By meansof the method disclosed by the invention, a function of purifying the water body through the woody plants is achieved, an obvious purifying effect on TN, TP, COD, NH4<+>-N, chroma and the like is achieved, a blank of aquatic woody plants in the field of water body purification is made up, and furthermore, the problems of water body purification and landscapes in winter are solved.

Description

technical field [0001] The invention relates to the technical field of water purification, in particular to a method for purifying water by using wetland woody plants. Background technique [0002] In recent years, water pollution has become a widespread problem in the world, and using aquatic plants to purify nutrient-rich substances in the water environment is one of the effective ways to restore and treat water bodies. Water quality ecological purification technology is a series of technologies that focus on the construction of hygrophyte or aquatic plant (emergent plants, submerged plants, floating plants) communities, and use plants themselves and their symbiotic biological systems to remove pollutants in water bodies. At present, the water quality ecological purification technologies used in my country mainly include: artificial wetlands, biological floating beds, artificial sinking beds, underwater forests, coastal buffer zones, etc. Through the water quality ecologi...

Claims

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Application Information

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IPC IPC(8): C02F3/32C02F101/10C02F101/16C02F101/30C02F101/38
CPCC02F3/32C02F2101/105C02F2101/16C02F2101/30C02F2101/38
Inventor 谭广文许铭宇陈平刘雯胡振阳李银李典宝李灿
Owner 广州普邦园林股份有限公司
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