Online ammonia nitrogen analyzer is a water quality monitoring device used for real-time monitoring of ammonia nitrogen content in water bodies, mainly applied in the fields of online monitoring of sewage treatment, surface water, and municipal water bodies.
The working principle of online ammonia nitrogen analyzer is mainly based on chemical reactions and photoelectric colorimetric or electrochemical sensing technology. Specifically, its workflow includes the following steps:
Sample processing: Introduce the water sample to be tested into the analyzer and process it through pre-treatment devices such as filtration and pH adjustment to ensure the accuracy and stability of the analysis.
Chemical reaction: Inside the analyzer, the water sample reacts with specific chemical reagents to convert ammonia nitrogen in the water sample into a detectable signal. For example, by adding NaOH solution to adjust the pH value, ammonium ions can be converted into gaseous NH3, or catalysts can be used to react ammonium ions with hypochlorite ions and salicylate ions to produce indophenol compounds.
Signal detection: After a chemical reaction, the generated signal (such as color change, current, voltage, etc.) is directly proportional to the ammonia nitrogen content in the water sample. This signal is captured by the detector and converted into an electrical signal.
Data processing: After being processed by electronic devices, electrical signals are converted into specific ammonia nitrogen content values and displayed on the analyzer's display screen. Meanwhile, data can also be automatically recorded and stored for subsequent analysis and processing.
Online ammonia nitrogen analyzer has wide application value in multiple fields:
Environmental water quality monitoring: used to monitor the concentration of ammonia nitrogen in water bodies such as tap water, wastewater, rivers, lakes, estuaries, and oceans, ensuring the quality of drinking water and environmental water bodies.
Wastewater treatment: The wastewater treatment plant uses an online ammonia nitrogen analyzer to monitor and adjust the ammonia nitrogen removal efficiency during the wastewater treatment process to ensure that the wastewater meets the discharge standards.
Industrial process control: Monitor the concentration of ammonia nitrogen in water bodies during industrial processes to help control the treatment and discharge of industrial wastewater.
In the field of agriculture: monitoring the concentration of ammonia nitrogen in soil and farmland to help with rational fertilization and reduce agricultural pollution.
Fisheries and Aquaculture: Monitor the concentration of ammonia nitrogen in water bodies to ensure the health and growth of fish and aquatic organisms.
Energy production: used in power plants, oil and gas extraction fields to monitor the concentration of ammonia nitrogen in wastewater to ensure compliance with environmental regulations.