Problem: Tim Frank Septic Tank Cleaning Co. in northern Ohio began a dewatering operation in 1994, but a fire in 2007 destroyed the company’s dewatering building and press.Solution: Having hosted a National Association of Wastewater Technicians waste treatment symposium before the fire, Tim and Tom Frank saw various dewatering technologies in operation. They installed a screw press from FKC Co. in the new dewatering facility.Result: The screw press dewaters a mixture of septage and biosolids from small commercial treatment plants to about 30 percent solids. The solids are landfilled or land-applied. Filtrate from the screw press is treated in lagoons
