Composite fiber floating wetland is a new type of water purification and water ecological restoration technology. It is widely used in all types of water bodies in different climates around the world. At present, it has good international treatment effect, many application fields, wide geographic scope, and extended application of comprehensive floating wetland construction technology. It has been recognized by domestic and foreign water environment experts.
Floating wetlands, also called floating wetlands, are constructed by constructing structures similar to artificial wetlands in water bodies to remove water pollutants and achieve ecological restoration. The floating wetland can directly act on the water body to be deployed, meet various water level change requirements, and adapt to different water depths without occupying land resources. It is quick to construct and its unit area treatment efficiency is higher than that of artificial wetlands. Floating wetlands combined with water conservancy design can be applied to various types of sewage treatment, which is a brand-new water ecological treatment method.
The composite fiber floating wetland can effectively remove organic pollutants, nitrogen, phosphorus, heavy metals and other pollutants in the water body, effectively control algae, improve the black odor of the water body, and repair the water ecological environment.
Compared with traditional ecological governance technologies, composite fiber floating wetlands can meet different customer requirements:
Reduce water, nitrogen, phosphorus, organics, heavy metals and other pollutants;
Reduce and control the growth of toxic algae;
Restore aquatic organism populations;
Increase water transparency, reduce sediment and control odor;
The product adapts to the solid requirements of different hydraulic conditions;
Stable installation in large areas in different water depths;
No harmful by-products, no damage, no secondary pollution;
Quickly build aquatic ecological landscapes and enhance environmental effects;
Enhance the natural activity of aquatic organisms in aquaculture and effectively reduce the addition of artificial agents;
Build and restore water ecosystems step by step;
No need to occupy land;
No operational energy consumption;
Low maintenance and management costs.
Can be applied to various water bodies.
The composite fiber carrier filler undergoes anti-ultraviolet treatment. The strength, elasticity and ductility of the fiber filler guarantee the stability of the substrate constructed by the habitat platform. The porosity design of the filler can effectively reduce waves while ensuring water flow and oxygen conduction, and shelter plant root buds. Development, providing a living environment for microorganisms and aquatic organisms.
Stable product construction is the basis for the composite fiber floating wetland to achieve the combined effects of pollutant removal, aquatic ecological restoration, and ecological landscape construction. Personalized project design through computer models combined with database parameter verification ensures that the composite fiber floating wetland can be used in different water conservancy projects. Under the conditions, it can effectively resist the force of wind and waves, and adapt to changes in water level and freezing pressure in winter. The composite fiber floating wetland has a service life of more than 20 years.
The floating wetland can be designed according to the environmental conditions of different projects. It can combine the dual needs of artificial landscaping and natural ecological landscapes to help landscape design realize different water ecological landscape concepts.
Floating wetlands can be planted with aquatic and terrestrial plants. Through the combination of different plants, it is possible to achieve a rich vegetation ecology of flowers and grasses, attracting aquatic animals to nest and live, and to realize the beauty of nature.
Mechanism of action
Floating wetlands can build suitable habitat platforms in different water bodies and fully restore and give play to their ecological functions. The main mechanism of floating wetlands comes from the combined effects of microorganisms, plants, aquatic organisms, and restoration ecosystems. The integrated construction method of floating wetland fillers has established an analogous submerged wetland filler structure in water. The fiber filler and plant roots adsorb a large number of microorganisms, and the aerobic, anaerobic, and facultative environment is formed inside the filler carrier, which promotes the water purification of microorganisms, decomposes organic matter, and reduces pollutants such as nitrogen, phosphorus, and heavy metals in water.
The pore structure of the floating wetland carrier ensures that the roots of the plant are fully extended and effectively permeable to oxygen. At the same time, the carrier provides sufficient buoyancy to ensure that the root system is not fully submerged in the water, and the aquatic and terrestrial plants grown can adapt to growth. Plants grow densely on the carrier in different ways, such as seedlings and root divisions. After several growth cycles, the plant density is higher than that of land planting. The roots of the plant pass through the gap of the fiber material and can penetrate 1.5 meters underwater to maximize the absorption of the plant It also provides food and shelter for aquatic animals.
The habitat platform built around the floating wetland carrier initiates the restoration of the aquatic ecosystem in the most economical way, recovering from microorganisms, plankton, various plants and animals, and various aquatic organism populations and numbers year by year. The food chain is perfect and will be transformed into biological The pollutants of the organism are transformed and transferred from the water. After several growth cycles, the self-purification function of the laying water body is restored, and the biological community tends to a natural state.
Water quality guarantee for slightly polluted water bodies
Ecological purification of floating wetlands is effective for improving water quality of micro-polluted water bodies such as rivers, lakes, and reservoirs. Floating wetlands can be laid in large areas in water bodies of water sources. Through the synergistic action of microorganisms, plants, and ecosystems, pollutants from agriculture, fisheries, and rainfall runoff can be removed through biological chain transformation. Floating wetland ecological purification has no toxicity and no secondary pollution, and is upgraded to pollute water quality.
The application of floating wetland water source can reduce the nitrogen and phosphorus content in the water body, control the algae growth, and quickly restore the aquatic organism population. It is suitable for different water depths, and can be stably installed in a large area without harmful byproducts, damage, and secondary pollution.
Landscape water quality improvement
In the northern water-deficient cities, the sewage treatment plant's return water is used as a source of landscape water reuse. However, according to China's current wastewater treatment plant discharge standards, the ammonia and phosphorus indicators are still somewhat different from the landscape water standards. Previously, landscape water replenished with sewage treatment plants still faced problems such as algae growth, discoloration, and odor, especially in rainy and high-temperature seasons, surface water runoff, high evaporation caused by water quality deterioration, and algae outbreaks have even affected residents. Hydrophilic activity.
Floating wetlands provide long-term solutions for landscape water applications. The eutrophic landscape waters of floating wetlands are laid. Pollutants are digested and transferred under the action of the habitat platform with floating wetlands as the core. After several growth cycles, water ecology Self-cleaning function is repaired, water quality is improved, and algal blooms are suppressed.
· River management
Floating wetlands have obvious effects on reducing COD, BOD, improving water body transparency, reducing sediment, and controlling odors. It can improve the black and odor caused by domestic sewage, industrial wastewater, agriculture and various non-point source pollution. It is suitable for different River management and ecological restoration.
Application of floating wetland river treatment can reduce water body nitrogen, phosphorus, heavy metals and other pollutants; increase water body transparency; reduce sediment; control odor; restore river ecology; meet the needs of changing water levels; adapt to the stable requirements of different water conservancy conditions
· Sewage treatment
The floating wetland has obvious effects on removing nitrogen, phosphorus, and heavy metals. As a supplementary measure for municipal sewage treatment plants and industrial sewage treatment to achieve or raise emissions, it can be combined with various original technologies and equipment.
· Rainwater management
Surface runoff caused by rainfall is an important source of pollutants entering water bodies. Controlling the reduction of pollutants entering water bodies according to the structural characteristics of different drainage facilities is an important means to effectively use water resources. The structural characteristics of the floating wetland can fit the shape of the water outlet, and improve water quality through physical interception, microbes, and ecological effects.
· Algae control
The algae control belt is a complex functional product specifically for algae control. The narrow-body algae-controlling belt using composite fibers can stretch for hundreds of meters to several kilometers. Combining the design of hydraulic and climatic parameters, the algae-controlling belt can intercept algae in a specific area, simultaneously realize physical interception and ecological treatment, and take into account landscape effects.
· Personalized landscape construction
The floating wetland is constructed in modules, and after exquisite design by the designer, it can achieve the individual needs of water landscapes for different projects. The shape of the single external body is shaped within 1-5000 square meters, which can meet the needs of the water landscape of the project while satisfying the improvement of water quality and ecological restoration.
· Ecological habitat
Floating wetlands can be constructed in fresh water or seawater in any shape. In addition to planting various types of vegetation suitable for the habitat of different populations on the surface of the carrier, it can also be paved with gravel and pebble according to the needs of the habitat.
· Agricultural applications
Floating wetlands can be designed in the form of biological acceptance. Floating wetlands constructed on suspended platforms provide a good breeding space for aquatic organisms. The habitat environment they create is the habitat of plankton, microorganisms and other fishery natural bait. At the same time, the quality of aquatic products can be increased, the natural activity of aquatic organisms can be enhanced, and the addition of artificial agents can be effectively reduced.
· Water structures, ecological corridors
The stable engineering structure of floating wetlands makes aquatic ecological structures a reality. The ecological corridor constructed with printed boards and lightweight building materials can realize the natural water landscape of pedestrians and expand the pedestrian space. The flexible carrier will not be deformed due to frozen extrusion in cold winters, ensuring the stability of the project.
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