Several biomaterials were tested as filter materials to remove solids from liquid swine manure. Oat straw, soybean residue, and corn stover performed as well as, or better than, many mechanical systems. Using these readily available materials may be an economical alternative to purchasing and managing commercial solids separation systems.
Iowa State University
Zhang, Meian and Lorimor, Jeffery, "Separating Manure Solids with a Biomass Filter" (2000). Swine Research Report, 1999. 32.