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Probest pH electrode in the precise control application of the Fenton process for papermaking wastewater

In the field of advanced wastewater treatment in the pulp and paper industry, the Fenton oxidation process has become a key technical step for achieving compliance with discharge standards or for recycling purposes due to its efficient removal capability of refractory organic compounds. However, this process is highly sensitive to the pH value of the reaction system, and its treatment efficiency is highly dependent on the precise control of the pH value. The Probest PPH-500F series pH electrodes, with their high stability and anti-pollution design, provide reliable online monitoring support for the optimization of the Fenton process.

2026-08-27

Eight departments jointly issued! Upgrade the safety defense line for agricultural irrigation water supply

On July 28, 2026, the Ministry of Ecology and Environment, in conjunction with the Ministry of Industry and Information Technology, the Ministry of Public Security, the Ministry of Natural Resources, the Ministry of Water Resources, the Ministry of Agriculture and Rural Affairs, the Supreme People's Court, and the Supreme People's Procuratorate, jointly issued the "Notice on Further Strengthening Pollution Prevention Risks of Industrial Wastewater and Ensuring the Safety of Agricultural Irrigation Water" (Circular No. 13 of 2026 from the Ministry of Ecology and Environment). This marks that the safety guarantee of agricultural irrigation water in China has entered a new stage of "source prevention, process control, and end-point supervision" for the entire cycle of prevention.

2026-08-21

The "Pollutant Discharge Standards for the Chishui River Basin" will come into effect in September.

The Ministry of Ecology and Environment and the State Administration for Market Regulation jointly issued the "Water Pollutant Discharge Standards for the Chishui River Basin" (GB 47945—2026), which is the first national water pollutant discharge standard for the Chishui River Basin. It will come into effect officially on September 1, 2026. The Chishui River is a first-level tributary of the Yangtze River, flowing through Zhaotong in Yunnan Province, Bijie and Zunyi in Guizhou Province, and Luzhou in Sichuan Province. There are numerous famous liquor enterprises in the basin, and it is known as the "Wine River". With the continuous development of the liquor industry, the demand for water resources in the basin has grown rapidly. Problems such as the inability to consistently meet standards for total phosphorus and other conventional pollutants, and the low level of water resource conservation and utilization have become increasingly prominent.

2026-07-28

PROBEST-PEC700 Inductive Conductivity Meter / Concentration Meter

In the fields of industrial process control and water quality analysis, precise measurement of electrical conductivity is a crucial step for determining the composition of the medium, monitoring chemical reactions, and ensuring product quality. Addressing the polarization effect, contact corrosion, and frequent maintenance issues of traditional contact electrodes in high-concentration, highly corrosive, and highly polluted environments, PROBEST, leveraging its profound sensor technology development capabilities, has introduced a high-precision inductive conductivity meter. This product provides a stable and reliable solution for conductivity and concentration analysis in complex working conditions.

2026-07-21

New rules on the upcoming! How can we ensure the water quality safety at the "last mile" of high-level water supply?

With the acceleration of urbanization, high-rise buildings are springing up one after another, and secondary water supply has become the sole way for the majority of urban residents to obtain daily water. However, problems such as aging water tanks, corroded pipelines, and insufficient disinfection have brought risks to the safety of drinking water from secondary water supply, resulting in an increase in complaints about water usage by residents. Therefore, the intelligent upgrade of secondary water supply facilities is urgently needed, and Probest brings a full-process deployment solution to ensure the safety and compliance of drinking water from source to end.

2026-05-14

Probest TOC online monitor has won the first batch of environmental protection certifications in China!

Total organic carbon (TOC) is a key comprehensive indicator to characterize the organic pollution load of water bodies and evaluate water quality and process efficiency. In order to meet the core needs of precise supervision and efficient governance, Probest has launched an automatic monitor of total organic carbon water quality based on its own core technology.Became the first batch of products to win the Environmental Protection Product Certification (CCEP).The measurement accuracy, stability and anti-interference ability of the Probest TOC online monitor have reached industry-leading standards, and are committed to providing key equipment support for precise water quality control.

2026-04-10

Drinking water safety gets another upgrade! New national standard incorporates TOC testing for the first time.

The new standard GB/T 17219-2025 "Hygiene and Safety Evaluation of Drinking Water Distribution Equipment, Protective Materials and Water Treatment Materials" has come into effect since March 1, 2026. This national standard, which has been comprehensively revised after a 27-year gap, is the first to include total organic carbon (TOC) in the extended indicators of the immersion test, with a limit of an increase of ≤ 1 mg/L. Fuzhou Probest Intelligent Technology Co., Ltd. independently researches and produces TOC instruments, turbidity instruments, COD, ammonia nitrogen and other multi-parameter instruments, helping to accelerate the realization of domestic production of instrument and meter equipment for water quality analysis.

2026-03-26

Ma Taxiang presented | Probest wishes you a happy New Year and a happy Year of the Horse!

Fuma welcomes spring, and good things happen

2026-02-17

The original intention reflects the blue waves, and the new journey is carried out | Probest 2025 Annual Memory

From the banks of the Qiantang River at 120° east longitude to the banks of the Fengcheng River at 40° north latitude. From the monitoring of discharge outlets in Huaibei mining areas to the drinking water guarantee of universities in Saibei. More distant overseas, water quality monitoring stations have crossed the ocean to penetrate into Latin America, making the original intention of "guarding every drop of water" resonate across regions.

2026-02-09