422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
129 | DF | CHEMICAL REACTOR {28} |
188 | DF | .~ Including plural reaction stages {2} |
189 | DF | .~.~ And means providing discrete sequential reaction stages; e.g., train, etc. {2} |
193 | DF | .~.~.~ Reaction stages located within single reaction chamber {2} |
195 | .~.~.~.~ Means within reaction chamber redistributing reaction stream as it passes between adjacent stages |