Reply To: Safety precautions during Sulfiding of Hydrotreating reactor Home › Forums › Petro Solutions Forum › Health Safety and Environment › Safety precautions during Sulfiding of Hydrotreating reactor › Reply To: Safety precautions during Sulfiding of Hydrotreating reactor April 18, 2020 at 1:58 am #239 Nasir HussainKeymaster 1. Be careful during decanting of the DMDS drums. 2. Always use gas masks while working on the DMDS pump. 3. Use a live breathing apparatus while starting the DMDS decanting activity. 4. Don’t run a DMDS pump with zero level in the vessel.