Regular calibration of industrial online pH meters is a key step to ensure process control accuracy and data reliability. This article explains in detail the causes of measurement errors such as electrode asymmetric potential drift, glass membrane aging, and liquid junction contamination. Combined with the zero-point and slope calibration operation of NiuBoL NBL-WQ-PH online water quality pH senso···

This article deeply explores the integration logic of industrial-grade TDS and pH sensors, temperature compensation algorithms, and anti-interference technologies under complex working conditions, providing system integrators with professional digital water treatment solutions.

Soy product wastewater treatment is a key environmental protection focus in the food processing industry. Based on the characteristics of domestic small workshop production, this article systematically analyzes the characteristics of high-concentration organic wastewater, treatment difficulties, and typical processes such as UASB-SBR, acidification hydrolysis-anaerobic digestion, UASB-A/O, ABR-MSB···

Chemical wastewater treatment technologies are mainly divided into three categories: physical, chemical, and biological methods. This article systematically reviews the wastewater quality characteristics, treatment principles, and typical processes in the chemical industry. It focuses on the application of neutralization, oxidation-reduction, flocculation, membrane separation, activated sludge, an···

In-depth discussion on denitrification processes for high-concentration ammonia nitrogen wastewater (such as coking wastewater and leachate). Combined with NiuBoL digital sensing technology, it analyzes the engineering integration control logic of short-cut nitrification, anaerobic ammonia oxidation (ANAMMOX) and completely autotrophic nitrogen removal (CANON)

NiuBoL NBL-BOD-406 online BOD sensor adopts dual-wavelength fluorescence method, which can simultaneously measure BOD, turbidity, and temperature parameters. It supports RS-485 Modbus/RTU protocol and is suitable for municipal sewage treatment, industrial wastewater discharge outlets, and environmental automatic monitoring stations. This article focuses on B2B procurement needs, systematically exp···

NiuBoL COD analyzers support multiple measurement principles, including potassium dichromate spectrophotometry, sealed digestion, and rapid digestion technology, suitable for wastewater monitoring in chemical, petroleum, papermaking, pharmaceutical, metallurgical and other industries. This article focuses on B2B procurement needs, systematically compares mainstream measurement methods, explains en···

pH value in pond water quality standards is a core physicochemical indicator that directly affects the colloidal charge state of aquaculture water, ammonia nitrogen balance, and organic matter degradation efficiency. In industrialized aquaculture, environmental water quality monitoring, and chemical process control fields, precise mastery and regulation of pH value has become a key link to improve···

This article discusses the core necessity of installing online water quality monitoring instruments in urban sewage pumping stations, analyzes the limitations of traditional monitoring modes, and explains how NiuBoL builds a sewage pipe network early warning system through high-precision online instruments to ensure the safety of the biochemical system in sewage treatment plants. It provides profe···

This article deeply explores the causes of ammonia nitrogen exceedance in winter sewage treatment and provides systematic solutions for low-temperature environments, covering process heat compensation, enhanced biological denitrification, immobilized filler application, and real-time water quality monitoring technology. It aims to provide professional technical references and equipment selection s···