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SPOTVIEW – Sustainable Processes and Optimized Technologies for Industrially Efficient Water Usage in steel, dairy or pulp and paper industry

Initial situation

  • Water use in steel industry: 1980 million m³ for production of 169 million tons crude steel divided in 75% cooling applications, 13% gas washing and 12% material conditioning.
  • Inhibition of water reuse because of salts and hardness (corrosion, scaling), abrasive solids or organic compounds (oil, grease) and cooling water treatment chemicals.
  • Effect of water components: decreasing salt/hardness removal efficiency of available technologies to an insufficient economic or technical level.

Project objectives of the steel case

  • Decoupling of production processes from water consumption and reduction of fresh water demand about 20 – 40% or waste waters up to 90%.
  • 20% energy saving by recovery from cooling water with chemical heat pump.

Innovative approaches

  • Desalination and softening of waters by capacitive deionization (CDI).
  • Use of chemical heat pump for energy recovery.
  • Direct internal reuse of low or loaded process waters after treatment in different applications (cascade).

Identification of potential disturbing contaminants in the CDI treatment

Chemie Ingenieur Technik, Volume 91, Issue 10, Special Issue:Industrielles Wassermanagement, October 2019 | BFI DE

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partners

ArcelorMittalCentre Technique Du PapierEmin LeydierMevgal GRVTT Technical Research Centre of FinlandElysator FinlandSere-TechValmetSCALuxembourg Institute of Science & Technology - LISTQpinch BV.CERTH - Information Technologies Unit	KADANTProcess Design Center

Funding reference

H2020-IND-CE-2016-17

Your contact person

Dipl.-Ing.  Martin Hubrich

12 Dipl.-Ing. Martin Hubrich

+49 211 98492-343
martin.hubrich_at_bfi.de

VDEh-Betriebsforschungsinstitut GmbH
Sohnstrasse 69
40237 Düsseldorf
Germany

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