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Application of ligularia sibirica in treating livestock and poultry breeding waste water

A technology for livestock and poultry breeding wastewater and environmental pollution, which is applied to the application field of artificial wetland plants in the treatment of livestock and poultry breeding wastewater, can solve the problems of poor cold resistance, secondary pollution of sewage and water bodies, and insufficient plant resources, and achieves strong cold resistance. , Easy to survive, good decontamination effect

Inactive Publication Date: 2010-07-14
SICHUAN AGRI UNIV
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AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a plant that can be used to treat wastewater, especially livestock and poultry, in view of the problems of insufficient plant resources, poor cold resistance, and easy secondary pollution to sewage water in the prior art that can be used to treat wastewater from livestock and poultry. New plant resource from wastewater produced during farming

Method used

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  • Application of ligularia sibirica in treating livestock and poultry breeding waste water
  • Application of ligularia sibirica in treating livestock and poultry breeding waste water
  • Application of ligularia sibirica in treating livestock and poultry breeding waste water

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Embodiment 1

[0028]Under natural conditions, the collected Ligularia seedlings are directly transplanted into a rubber barrel with a height of 29cm, a bottom diameter of 26cm, and a height of 32cm. The bottom is equipped with a water pipe, and from bottom to top there is a gravel layer with a thickness of 5cm and a diameter of about 2-5cm. , 10cm thick coarse sand layer, 10cm thick (about 8kg) soil layer, tap water is stable for 15 days. After the plants are stabilized, the wastewater from livestock and poultry breeding is regularly irrigated, and water samples are collected and the water quality of the effluent is measured (the hydraulic retention time is set to 7 days). The amount of water in the pot test was determined by the estimation formula (1) recommended by Reed:

[0029] Q = F K - - - ( 1 )

[0030] In the formula: Q——design wastewater flow rate, m 3 / d;...

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Abstract

The invention discloses an application of ligularia sibirica in treating livestock and poultry breeding waste water, belonging to the field of waste water treatment. The adopted technical scheme is as follows: ligularia sibirica are planted in the environment polluted by livestock and poultry breeding waste water. In the invention, cold resistance property of ligularia sibirica and absorption removal property thereof to pollutants in waste water are fully utilized, ligularia sibirica are planted in the environment polluted by livestock and poultry breeding waste water to absorb and accumulate the pollutants in the waste water, thus ensuring water purifying effect, developing a new plant resource species for treatment on livestock and poultry breeding waste water pollution, bringing new progress and development space for further development on artificial wetland plants in treating livestock and poultry breeding waste water pollution, and having obvious advantages in running cost, operating maintenance, treatment effect, and accompanying extra economic values in landscape, medicament and other aspects in comparison with existing sewage-purifying plants.

Description

technical field [0001] The invention relates to the technical field of natural biodegradation of wastewater from livestock and poultry breeding, in particular to the application of artificial wetland plants in treating wastewater from livestock and poultry breeding. Background technique [0002] The pollution of livestock and poultry breeding wastewater is long-term and irreversible. Its pollution is characterized by high suspended solids, high organic matter and high ammonia nitrogen, strong biodegradability and strong odor. [0003] The livestock and poultry industry is an important part of my country's agriculture and rural economy, and it is also one of the main causes of non-point source pollution in my country's rural areas. The environmental pollution caused by the vigorous development of the livestock and poultry industry is becoming more and more serious, which not only affects economic development, but also Endangering ecological security has become a social issue o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32C02F103/20
CPCY02W10/10
Inventor 邓仕槐阳路芳肖鸿王应军张小洪张延宗李远伟彭宏杨刚李黎孙百晔袁野
Owner SICHUAN AGRI UNIV
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