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Nalco Deposit Monitor

Abstract

The Nalco Deposit Monitor (NDM) is a sensor designed to monitor fouling formation in cooling water, process related, or other water applications where fouling is of concern.

Descrizione

The device incorporates a sensitive measurement of mass buildup on a heated surface with self-cleaning and pressure compensation capabilities.
The NDM is based on quartz crystal microbalance technology and patented by Nalco. Oversimplified the technology consists of a vibrating crystal; as mass builds up on the surface of the crystal the frequency of the vibration decreases, which provides a very sensitive way of measuring fouling build up on the surface. The possibility of heating the surface allows mimicking a heated surface (such as of a heat exchanger) and monitoring specifically these areas sensitive to scale formation.
Description including main features/advantages
Novel online monitoring of fouling in cooling systems (and other) and capability to especially monitor fouling in critical heat exchangers
The monitoring capability and on-line data collection helps to obtain:
- Highlighting scale formation or system upsets (e.g. pH, conductivity, etc)
- Diagnose and solve fouling problems, saving cost in downtime and energy and water usage
- Tied to the Nalco 3D Trasar platform have data available real-time
- Run at 'more-ragged' edge Innovative aspects
Online fouling monitor that can also mimic heat exchange surfaces and can accurately follow mass build up on surfaces. The monitor has capability for self cleaning to 'reset' the measurement. Current and potential industrial users/domains of application
Fouling monitoring in cooling water systems as well as process water systems. Current state of development
The concept has been technically proven in several technical trials and currently the field validation of the commercial prototype is being carrying out. Demonstration sites are welcome.
Contact details
Organisation
Nalco Europe B.V.
Website
www.nalco.com
Contact person
Anja de Reus
Address
Ir. G. Tjalmaweg 1
2342 BV Oegsgeest
The Netherlands
Phone
+31 71 5241143
Fax
+31 71 5241298
Email
adereus@nalco.com

TRL - technology readiness level

5 Prototipo in grande scala o scala reale.

Link1

http://www.aquafit4use.eu/downloads

Laboratorio

TIGRI

Partner

ENEA

Topic di ricerca

2.5.2 Trattamento reflui industriali

Risultato LISEA

Falso