Bio-rope strengthened phytoremediation system for purifying polluted river

Abstract

The invention discloses a bio-rope strengthened phytoremediation system for purifying a polluted river and relates to water pollution control methods. According to the system, bio-ropes are adopted to strengthen a phytoremediation technology, so as to form a plant-microorganism strengthened purification repair system. The upper part of the system is an emergent-plant bed, the lower part of the system is a bio-rope fixed bed, and the emergent-plant bed and the bio-rope fixed bed are connected by a framework and then are fixed in the river. The emergent-plant bed is planted with canna, iris tectorum, calamus, cyperus alternifolius and the like and is fixed on the framework by adopting a vacuum-plastic water floating bed; the bio-rope fixed bed adopts a high-performance contact filtration material, namely the bio-ropes; the upper and lower ends of each bio-rope are fixed on the framework, and an adsorption layer with the thickness of 2-4cm is arranged at the bottom of the bio-rope fixed bed and consists of a nano-carbon microsphere layer, a nano-carbon tube layer and an adsorption mesh from top to bottom. The system has the advantages that the problem of water pollution of rivers of catchment river network districts can be solved, and pollutants, such as organic matters, nitrogen and phosphorus, in sewage are effectively removed.

Description

technical field [0001] The invention relates to a water pollution control method, in particular to a bio-rope-enhanced phytoremediation system for purifying polluted river courses. Background technique [0002] With the growth of population and the rapid development of economy, more and more pollutants are discharged into rivers, which has far exceeded the self-purification capacity of rivers. my country's rivers are seriously polluted. In 2012, among the nationally controlled sections of the top ten river basins in the country, the proportions of sections with IV-V and inferior V water quality were 20.9% and 10.2%, respectively, and the water body has lost its use value (that is, water quality is IV, V, inferior Type V) accounted for 31.1% of the section. Especially in urban rivers, due to the great impact of urban development, major changes have taken place in its water pollution from pollution types to pollution intensity. On the one hand, it restricts the sustainable dev...

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Problems solved by technology

[0011] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a bio-rope enhanced phytoremediation system for purifying polluted rivers, using bio-rope to strengthen the phytoremediation technology to form a "plant-microbe" enhanced purification and restoration system. The system can solve the pollution problem of river water bodies in the river network area of ​​the basin, and effectively remove organic matter, nitrogen, phosphorus and other pollutants in sewage

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