Biosensor for monitoring ammonia concentration in water on line

A biosensor and ammonia nitrogen concentration technology, which is applied in the field of biosensors for online monitoring of ammonia nitrogen concentration in water, can solve the problems of short service life and easily polluted electrodes, and achieve the effects of long service life, high measurement accuracy and low cost.

Pending Publication Date: 2017-11-14
BINZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The ammonia gas sensitive electrode is not affected by the chromaticity and turbidity of the water body, and there is no need to pretreat the water sample, but the electrode is easily polluted and has a short life

Method used

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  • Biosensor for monitoring ammonia concentration in water on line
  • Biosensor for monitoring ammonia concentration in water on line

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Embodiment Construction

[0023] The drawings show a specific embodiment of the invention. This embodiment includes a probe module A and a data processing display module C connected by a connecting module B. The probe module A is a multi-layered tubular structure whose two ends are closed by a top fixed sealing ring 9 and a bottom fixed sealing ring 1, and are inwardly The outside is followed by porous cathode rod 2, Nafion coating 3, carbon-based anode 4, electroactive biofilm 5, ion screening membrane 6 and protective filter 7, and the top fixed sealing ring 9 is provided with a space connected to the electroactive biofilm 5 Strain inoculation port 8; connecting module B is an adjustable telescopic rod 11 that wraps a wire 12 inside, the upper and lower ends of the adjustable telescopic rod 11 are respectively connected to the probe module A and the data processing display module C, and the two ends of the wire 12 are respectively connected to the carbon-based anode 4 and porous cathode rod 2; the dat...

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Abstract

The invention relates to the technical field of environmental monitoring, and particularly discloses a biosensor for online monitoring of ammonia nitrogen concentration in water. The biosensor includes a probe module and a data processing display module connected by a connection module, and is characterized in that: the probe module is a multi-layer tubular structure, and from the inside to the outside is a porous cathode rod, a Nafion coating, a carbon-based anode, Electroactive biofilm, ion screening membrane and protective filter; the connection module is an adjustable telescopic rod wrapped with wires inside. The upper and lower ends of the adjustable telescopic rod are respectively connected to the probe module and the data processing display module, and the two ends of the wire are respectively connected to the carbon-based anode and a porous cathode rod; the data processing and display module includes a sealed waterproof case with a signal conversion memory installed inside, an LED display screen is arranged on the sealed waterproof case, and the two ends of the signal conversion memory are connected with wires. The device of the invention has the advantages of simple structure, low cost, simple maintenance and long service life.

Description

(1) Technical field [0001] The invention relates to the technical field of environmental monitoring, in particular to a biosensor for online monitoring of the concentration of ammonia nitrogen in water. (2) Background technology [0002] In recent years, organic pollution of water bodies in my country has been effectively controlled, and nitrogen pollution has become a major environmental problem. At present, my country's ammonia nitrogen emissions have far exceeded the environmental capacity of receiving water bodies, and ammonia nitrogen has exceeded COD and has become the primary indicator that affects the environmental quality of surface water. To this end, my country has included ammonia nitrogen in its total pollutant emission control system, and implemented total control as the main pollutant. According to the Bulletin of the State of the Environment of China, my country currently emits more than several million tons of ammonia nitrogen each year, and surface water, groun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26
CPCG01N27/26
Inventor 张吉强
Owner BINZHOU UNIV
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