The Environmental / Civil Engineer is a key member of the DTMA's leadership team and reports to the DTMA Executive Director. The DTMA provides wastewater collection and treatment, stormwater management and other related services to the greater Hershey area. No PPE is required.The Derry Township Municipal Authority (DTMA) is seeking applicants for the Environmental / Civil Engineer position to join their team in Hershey, PA. When you enter the facility, you will easily see the main parking lot. To clarify, it is the hot water from the co-gen engine that is used for building heat. Currently the biogas is used for building and liquid digester sludge heating, production of steam to dry the cake into the SteadiGro granules, and as fuel for the co-generation facility which generates electrical power for use in the plant. The anaerobic sludge digestion process generates large quantities of methane (biogas). This product is marketed and sold to end users as a fertilizer product. The cake is then dried in a pasteurization-like process to produce Class A, exceptional quality granular product known as Clearwater SteadiGro. Liquid digested sludge is dewatered using a centrifuge or belt filter press to produce a cake. Residual solids generated at the facility are processed using gravity thickening (primary sludge), floatation thickening (waste activated sludge), blending, and anaerobic digestion. Major structures at this facility include: Administration and Control Building including analytical laboratory Raw wastewater pumping Screening and grit removal Primary clarification Primary effluent equalization Complete mix activated sludge using primary anoxic, oxic, secondary anoxic, and re-aeration processes for total nitrogen removal Ferric chloride addition for phosphorous removal Final clarification and Ultraviolet disinfection.
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