Françoise Petitpain Perrin

Title: Françoise Petitpain Perrin: Wastewater Treatment Innovation.

Introduction

Françoise Petitpain Perrin is an inventor associated with Suez International and based in Paris, France. Her patent work concerns wastewater treatment using a sequencing batch reactor designed to maintain a substantially constant operating level.

Latest Patents

Petitpain Perrin is associated with 1 patent: “Method for Treating a Wastewater Effluent in a Sequencing Batch Reactor (SBR) Having a Constant Level and Controlled Recovery.” The invention describes an installation that treats wastewater and sludge in a reactor chamber through biological treatment, aeration, settling, and recovery of clarified liquid.

A key feature is the simultaneous supply of wastewater near the bottom of the chamber and recovery of clarified liquid. Coordinating these operations helps keep the chamber’s contents at a substantially constant level during recovery and supply. The system also includes control and recovery mechanisms.

Career Highlights

Petitpain Perrin’s listed patent reflects work on improving the operation of sequencing batch reactors. By addressing liquid-level stability and controlled recovery, the invention focuses on coordinating treatment stages within a wastewater-processing installation.

Collaborations

Alexis Daunay and Mathieu Delahaye are identified as coworkers associated with Petitpain Perrin. Her company affiliation is Suez International.

Conclusion

Françoise Petitpain Perrin’s patent describes a wastewater-treatment system that combines biological processing with coordinated inflow and clarified-liquid recovery to maintain a stable reactor level.