Has anyone designed a HVAC system for an airport or near a volcano where sulfur dioxide contamination was a problem? Wondering what the best way to filter SO2 out of outside air is. So far it looks like chemisorption is the answer.
Has anyone ever heard of an eccentric reducer? I am looking for one to use on a sewer line so that I can slope the first part of the pipe @ 1/4" per foot and transition to 1/8" per foot further down. The fitting I'm thinking about looks like the one here...
We are installing a grease interceptor that can handle mixed waste (FOG and raw sewage from restrooms). The grease interceptor location is too high to gravity feed. This is for a large food court. Anyone else have this problem? What pump would you recommend using? I foresee FOG accumulation in...