NIURu-bao,SONGWei,CHENWei,et al.Application of Fenton Precise Dosing Control System in a Wastewater Treatment Plant[J].China Water & Wastewater,2025,41(16):127-130.
芬顿精确加药控制系统在污水处理厂的应用
- Title:
- Application of Fenton Precise Dosing Control System in a Wastewater Treatment Plant
- 摘要:
- 某工业园区污水处理厂通过试验确定了芬顿处理单元的pH、氧化还原电位（ORP）等关键反应条件，得到双氧水与硫酸亚铁的最佳用量比为1∶13，为精确加药控制系统的设计提供了理论基础。采用“前馈+反馈”的闭环控制模式，根据进、出水COD浓度以及ORP等参数实时调整药剂投加量，实现芬顿工艺的精确控制，确保出水水质稳定达标。芬顿精确加药控制系统应用后提升了13%的处理水量，同时节省成本约0.671 3元/m3，具有明显的经济效益。此外，芬顿精确加药控制系统的应用有效推进了污水处理厂药剂投加的精细化管理，增强了出水水质的稳定性。
- Abstract:
- The critical reaction conditions for the Fenton process, such as pH and oxidation- reduction potential(ORP), were determined in an industrial park WWTP through experiments. The optimal flow ratio of hydrogen peroxide to ferrous sulfate was established as 1∶13, furnishing a theoretical basis for the design of the precise dosing system. Based on this, a “feedforward + feedback” closed-loop control mode was employed. The dosage of chemicals was adjusted in real time in accordance with parameters like COD concentration and ORP of the influent and effluent, achieving precise control of the Fenton process and guaranteeing the stability and compliance of the effluent quality. The research results suggest that the application of the Fenton precise dosing control system increased the treatment capacity by 13% and reduced the unit cost by approximately 0.671 3 yuan/m3, demonstrating obvious economic benefits. Furthermore, the Fenton precise control system effectively promoted the refined management of chemical dosing in the wastewater treatment plant, enhanced the stability of the effluent.
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