Bestimmung der Restkonzentration im Abwasser eines Fest-Flüssig-Trennungsverfahrens durch Ultraschall

Details

Veröffentlichungs-Nr.

EP4790403

Anmeldetag

7. Februar 2025

Veröffentlichung

12. August 2026

Rechtsraum

EP

IPC

G01N29/032

Abstract

Example embodiments relate to a system and a method for determining a concentration of one or more residuals (215) within an effluent flow (211) of a solid-liquid separation process based on acoustic properties of the effluent, wherein the effluent flow comprises air bubbles (212, 213, 214); the method comprising: by an ultrasonic transducer (217) that is at least partially immersed within the effluent flow, emitting (201) at least one ultrasonic pulse (221) at an emission frequency that exceeds at least one fundamental resonant frequency of the air bubbles within the effluent flow; by the ultrasonic transducer (217), receiving (202) an ultrasonic echo (226) resulting from the at least one ultrasonic pulse; wherein the ultrasonic echo comprises near-field pressure oscillations and ultrasonic backscattering; and determining (203), by a data processing unit (218), the concentration of the one or more residuals (215) based on a portion (223) of the ultrasonic echo within the ultrasonic near field (224).

Anmelder

Firma

Olpas BV

Land

🇧🇪 Belgien

Fachgebiete