Your first choice in Hydrogen Cyanide technology

Evonik Industries AG is one of the world’s leading specialty chemicals companies with more than 60 years of experience in safe and reliable hydrogen cyanide opera-tions and is a technology leader for two major HCN process technologies; the An-drussow and the BMA process.

Evonik operates serveral plants at diffe-rent sites and has extensive operational know-how in addition to technological expertise. The Andrussow process has been continuously optimized since the first plant went on stream in the 1950s. In the past, Evonik has registered various patents for the hydrogen cyanide produc-

tion process, including the latest develop-ments like the oxygen enrichment.Evonik has already successfully granted several licenses for the Andrussow pro-cess to renowned companies world-wide.

More than 60 years of experience in hydrogen cyanide (HCN) production!

Andrussow Reactor

Ammonia Scrubber

HCN Absorbtion

CH₄(NaturalGas)

NH₃(Ammonia)

Air(Oxygen)

(NH4)2SO4(Ammonium Sulfate)

H2SO4(Sulfuric Acid)

Off gas

Waste Water

H2O

HCN

HCN Distillation

Synthesis Gas Mixer

Tailor-made proposal & agreement

ProcessDesign Package

Basic Engineering

Detail Engineering Construction Start-Up Operation

Evonik provides:• Process Flow Diagramms (PFDs)• Process Data Sheets• Utility Consumption List• Equipment List• Preliminary Trip Schedule and Logic Diagram• Health and Safety Hazard data• Analytical Manual• ...

Evonik supports:• 3D / MSR Review• Review of Engineering Do-

cuments• Operator Training at Evonik

sites• ...

Evonik assists:• Start-Up / Commissioning• Operator Training on site• Process Guarantee Test Run• ...

Evonik identifies customer needs, prepares the needed technical solution and provides:• Look-in Package• Cost Estimation• License Agreement• BAFA Approval• ...

Evonik supports:• Hazard Study• Review of Engineering Documents• Know-how Transfer• ...

Evonik supports:• Expediting• Plant Review• Technical Advise• ...

Evonik provides:• Operational Excellence Consul-

tancy• Trouble Shooting• Operator Refreshment Training• ...

Evonik supports the customer along the complete plant lifecycleA safe, reliable and economical operation of every license plant, right from the start, is one of the main benefits for Evonik’s HCN license customers. The licensee will participate and profit from our expertise in the Andrussow technology and license project ma-nagement.

Customer’s benefits relying on Evonik

Tailor-made solutions and project execution excellence• Evonik offers Andrussow process technology, operating at elevated and low pressure• Evonik provides oxygen enrichment technology to increase plant capacity

at lower investment• cooperation with engineering contractor possible to fit customer needs• Evonik HCN experts from operations and engineering will provide major support

to customer projects

Safety and operational excellence• Evonik‘s high standard of safety related plant design and Evonik‘s experience of more than 60

years of operations will enable the licensee to run at most possible safe conditions• Evonik will support the customer at its site with experienced engineers and operators from

its HCN production facilities to ensure operational excellence right from the start• Evonik guarantees plant performance

Expert training at Evonik‘s HCN plants• Evonik provides real life training for customer‘s future operators at Evonik‘s HCN production

facilities in Germany• Continuous contact to the hydrogen cyanide experts from Evonik‘s global operations team will

guarantee most effective know-how transfer throughout customer‘s project

Evonik Performance Materials GmbH Kirschenallee 64293 DarmstadtGermany PHone +49 6151 18-1002 fax +49 6151 18-3155 visiomer@evonik.com www.visiomer.com www.evonik.com