How Effective is Sodium Persulfate in Wastewater Treatment?

Release Time:
2025-10-30
Views:

Among numerous wastewater treatment agents, oxidizers have become one of the key treatment methods because they can act directly on pollutants to transform or degrade harmful substances. As a high-performance oxidizer, Sodium Persulfate has gradually been widely used in the treatment of refractory industrial wastewater, relying on its differentiated advantages of a wide pH application range and low secondary pollution. Its treatment effect and application value have attracted much attention in the industry.

How Effective is Sodium Persulfate in Wastewater Treatment?

Ⅰ. Pollutant Removal Capacity and Mechanism

In wastewater treatment, the core advantage of Sodium Persulfate lies in its ability to efficiently degrade various pollutants after activation. For refractory organic pollutants commonly found in wastewater, Sodium Persulfate needs to be activated under conditions such as heat, ultraviolet light, or transition metal ions to generate sulfate radicals with extremely strong oxidizing capacity. These radicals can non-selectively attack the chemical bonds of organic molecules, gradually decomposing complex organics into small-molecule organic acids, carbon dioxide, water, and other substances that are less harmful to the environment. The degradation efficiency is significantly better than that of traditional oxidizers.

In addition to organic pollutants, Sodium Persulfate also has the ability to treat some heavy metals. It can destroy the complex state formed by heavy metals and organics through oxidation, releasing heavy metal ions. With over 20 years of experience in R&D and production of persulfates, Fujian Zhanhua Chemical produces products that meet national standards through strict testing, with high purity and stable quality, providing reliable raw material support for wastewater treatment applications.


Ⅱ. Wide Applicability and Operational Advantages

Sodium Persulfate shows good adaptability to various industrial wastewaters (such as printing and dyeing, chemical, and pesticide wastewaters). By adjusting conditions such as activation method, pH value, and dosage, it can handle pollutants of different concentrations and types. However, its treatment effect is greatly affected by the water matrix—for example, high alkalinity and high chloride ion content may quench free radicals and reduce its oxidation efficiency. Therefore, detailed water quality assessment and small-scale tests are required before application.

In terms of operation, the solid form of Sodium Persulfate is convenient for storage and transportation, and can achieve relatively precise dosing. It is compatible with conventional wastewater treatment dosing equipment, reducing the need for special operation equipment.


Ⅲ. Green and Environmentally Friendly Technical Characteristics

One of the environmental advantages of Sodium Persulfate is that its final reaction products are mainly sulfates. Compared with some oxidizers that produce halogenated by-products (such as chlorine-based oxidizers), the risk of secondary pollution is relatively lower. Although excessive dosing may lead to excessively high sulfate concentration in the effluent, which may inhibit subsequent biochemical treatment units or cause salinity pollution to the receiving water body and bring environmental risks, this problem can be effectively avoided by strictly controlling the dosage and monitoring the sulfate concentration in the treated effluent.

In addition, enterprises adhering to the concept of green production will control environmental impacts throughout the process from raw material selection to production process optimization, and achieve energy conservation and emission reduction through advanced technologies. This environmental consideration from the source to the application enables Sodium Persulfate to meet the current environmental protection requirements for sustainable development. The Sodium Persulfate products produced by Fujian Zhanhua Chemical meet environmental protection requirements, and the enterprise focuses on environmental control throughout the entire production chain, reducing resource waste through technologies such as comprehensive utilization of industrial by-products.


Sodium Persulfate has shown strong decomposition potential for refractory organics in wastewater treatment and has the ability to selectively treat heavy metals. Against the background of increasing environmental protection requirements and growing wastewater treatment needs, the comprehensive performance advantages of Sodium Persulfate will enable it to play an important role in wastewater treatment in more fields. As a leading enterprise in the global persulfate field, Fujian Zhanhua Chemical is continuously providing high-quality Sodium Persulfate products for wastewater treatment and other fields through production capacity expansion and technological innovation, contributing to the development of environmental protection undertakings with reliable Sodium Persulfate products.


Related Recommend