Senior Staff Scientist
Steven Leach is a Senior Staff Scientist with Novozymes headquartered in Copenhagen, Denmark. Steve is based in Phildelphia, PA and travels both nationaly and internationally working with both industrial and municipal wastewater treatment systems. He has been involved with fermentation, laboratory testing, field testing, onsite microscopic observation during upsets, chlorination, and recovery, Filament Identification, Microscopic training, supervised installation and start-up of over 20 CTX (submerged fixed-film reactors) units throughout the country. Steve was also instrumental in the design and building of a continuously run nitrifying fermenter, that is currently used by Novozymes production. Over 5,500 microscopic exams have been performed on samples from both municipal and industrial treatment systems. Steve is one of the lead instructors at the WEFTEC pre-conference microbiology workshops and is widely recognized for his expertise in identifying protists and filaments. He has presented and taught numerous classes for PARWA, NJWEA, OHWEA, NCRWA, Puerto Rico WEA, numerous state associations, China EPA and Canada’s WEA associations in New Brunswick and Ontario.
Microscopic analysis, Filament identification, Protozoan identification, system evaluation of various types of treatment (Activated sludge, ASB’s, SBR’s, etc…) and wastestreams (Pulp&Paper, Petrochemical, and Food processing, Chemical, and Municipal etc…)
Onsite visits to Industrial wastewater treatment plants throughout North and South America, Europe and Asia.
Member of TAPPI, WEF, AWWA, IWA and ISOP (International Society of Protistologists)
BSc Biology Catawba College (Salisbury, NC)
MSc Microbiology Penn State University (State College, PA)