| http://www.w3.org/ns/prov#value | - In another aspect, the pretreatment includes the step of heating the biomaterial waste stream to cause the precipitation, polymerization, or aggregation of the proteins, enzymes, peptides, and the like, where the subsequently precipitated, polymerized, or aggregated material also traps additional material, such as suspended particles, including clay, cells, fine straw particulates, bedding particu
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