Microbial related problems cost the global pulp and paper industry hundreds of millions of dollars each year and if untreated the costs could be 10 times higher. Dorf Ketal DEFENDER™ microbial control products include conventional microbicides, oxidizing biocides and bio-dispersants. The range of products in the DEFENDER™ product line and service program provide the treatment flexibility required to proactively adjust to meet production or seasonal changes.

Application Program

Process Pre-Engineering is a rigorous assessment process our specialist team performs to ensure the success of the program in your operation. Interviews are conducted and data is collected to formulate the DEFENDER™ program including product selection, service program development and operations training. The steps we follow are:

  • Pre-engineering to establish the most cost-effective application points
  • Selection of chemistry based on the system and process requirements and IESConcept
  • Design and supply of conventional or automated dosing systems
  • ROI and eROI calculation report
  • Business Review meeting


Dorf Ketal offers a full range of services for effective micro-biological control including;

  • Microbiology enumeration: plate counts, dip slides;
  • ATP and ORP;
  • On-site and Off-Site microscopy analysis
  • Detailed laboratory deposit analysis
  • Application Services including dosing and stock control, process KPIs management and more
  • Training
  • Experienced specialist team

Delivering profitable, reliable results.
Find out how we can help you succeed within your industry.
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