David W. Cawlfield

Model predictive control apparatus and method

Method and apparatus for providing backup process control

Electrochemical process for producing chlorine dioxide solutions from chlorites

Electrochemical process for producing chloric acid-alkali metal chlorate mixtures

Electrolytic process for producing chlorine dioxide

Process for the removal of oxynitrogen species for aqueous solutions

Electrodialytic process for producing an alkali solution

High surface area electrode structures for electrochemical processes

Automatic control system for unit operation

Electrochemical chlorine dioxide generator