Chlorine Dioxide Services
Nouryon is the technology leader in chlorine
dioxide generation; since the 1970’s, Eka
Engineering has designed, built and operated
chlorine dioxide plants for pulp bleaching andother applications.

The chlorine
dioxide generator
at our Imperatriz
production unitin Brazil

Eka Engineering is the engineering andcontracting business within Nouryon.
We specialize in the design and supply of chlorine
dioxide plants and equipment to the pulp andchemical industries and offer completely new turnkey plants, the upgrade and repair of existing
plants and comprehensive services for large-scaleproduction and application of chlorine dioxide; forboth vacuum and atmospheric technology plants.
Nouryon is also the leading global supplier of
bleaching chemicals and we deliver customized
solutions for bleaching pulp to our customers. Ourworld class technology, application know-how,
optimized supply chain and global logistic solutions
provide customers with a significant advantage for
their operations.
European, North and South American basedengineers are ready to meet the needs of the
global pulp industry. With the ever-increasingpressures on pulp mill operations to control costand optimize systems we know that the safe andoptimized use of chlorine dioxide during theproduction of bleached pulp is critical.
For more information please contact a Nouryon
chlorine dioxide specialist.
E: bleaching_experts@nouryon.com

Gothenburg
JundiaíShanghaibleaching_experts@nouryon.com+46 31 58 7000
+55 11 4589 4800
+86 21 2289 1000

Operation Support·······DCS interlocks & control logic
Advanced process control consultation
Remote or on-site troubleshooting
Applied Kepner-Tregoe methods
Root cause analysis
Maintenance planning assistance
24 - 7 availability

Optimization·····Reaction Chemistry efficiency
Chlorine dioxide production capacity
Saltcake removal & utilization
Vent system emissions recovery
Advanced process control implementation

Enhancement··Equipment & instrumentation specification
Process upgrades & modifications

Equipment Inspection & Maintenance
Below - Internal view of saltcake dissolving tank andsaltcake filter vacuum ejector nozzle

Materials & Equipment····

Annual outage inspections & testing
Preventive maintenance & planning
Piping & mechanical specification
Supply replacement equipment / spare parts

Process Safety Management (PSM)····Interlock PSM safety reviews
Process Hazard Analysis (PHA) re-validation
for methanol, chlorine dioxide, turpentine,ammonia and non-condensable gas (NCG)
systems
Supporting documentation / process safety
information / Management of Change (MOC)
process verification
PHA Facilitation & OEM Process Expert

Saltcake Filter Operation & Maintenance
Below - Operating saltcake filter and spare rotatingassembly

Site Customized Training···

Operator refresher training
Hazardous chemical safety training
Lab analytical procedures & techniques

Unloading, Storage and Handling··Safety evaluations
Sodium chlorate, chlorine dioxide, sulfuric acid,methanol & hydrogen peroxide systems
consultation

Heat Exchanger Inspection &Troubleshooting
Below - plugged generator reboiler tubes and fouledgenerator condenser shell side heat exchanger tubes

For more information please contact a Nouryon
bleaching services expert.
E: bleaching_experts@nouryon.com
Disclaimer

SVP-Lite Chlorine Dioxide Generator
Process Flow Diagram

Information herein is given in good faith and is accurate to the best of
our knowledge. Information and suggestions are made without warranty
or guarantee of results. Before using, user should determine thesuitability of the product for its intended use and user assumes the risk
and liability in connection therewith. The application, use and processingof our products and the products manufactured by you on the basis of
our technical advice are beyond our control and, therefore, entirely yourown responsibility. We do not suggest violation of any existing patents orgive permission to practice any patented invention without a license.

Rev. June 1, 2021