Understanding filters

Eliminating VOCs in refinery wastewater treatment

Read about the multi-stage process that eliminates VOCs during refinery wastewater treatment.

Examining the efficiency of biofilters for air pollution control

Biofilters employ rudimentary technology designed to remove pollutants and odors from air impacted by industrial and manufacturing processes. The method has been in use for decades.

How do biotrickling filters and bioscrubbers differ?

Similarities between biotrickling filters and bioscrubbers abound, but the subtle difference between the two has major performance implications.