For black and odorous water body remediation projects, this article provides an in-depth analysis of the five core treatment methods: external source interception, internal source control, physical aeration, chemical flocculation, and biological-ecological restoration. Combined with NiuBoL digital online water quality monitoring system, it offers environmental engineering contractors and system in···

Chemical industry wastewater has complex sources, high pollutant concentrations, high toxicity, and highly variable composition. NiuBoL provides professional treatment solutions such as Aerated Biological Filter (BAF) tailored to the characteristics of tanning, pesticide, metallurgy, refining, coal chemical, and crude oil extraction wastewater, helping enterprises achieve stable compliant discharg···

In-depth understanding of water quality monitoring applications in industrial, municipal, and commercial environments. Written by NiuBoL experts, this article covers core scenarios such as surface water monitoring, industrial wastewater treatment, and pipe network monitoring, and provides a high-precision water quality sensor selection guide. It offers digital monitoring solutions for system integ···

NiuBoL Aerated Biological Filter (BAF) process integrates biological oxidation degradation and physical filtration. Its footprint is only 1/10–1/5 of conventional processes, saving 20–30% in infrastructure investment. It features low operating energy consumption and strong impact load resistance, making it suitable for secondary and advanced treatment in urban sewage treatment plants. This profe···

pH standard buffer solutions are the core substances for realizing traceability of values in electrochemical pH measurement. This article systematically explains the definition of pH, the establishment of the scale, the characteristics of primary buffer solutions, as well as professional knowledge such as pH composite electrodes, asymmetric potential, liquid junction potential, soaking maintenance···

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-PHG-206 online water quality pH sen···

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)