For example, U.S. Pat. No. 4,129,094 discloses a process forming animal litters using about 1 to about 10 weight percent of water and/or binder such as synthetic hydrophilic polymer or an inorganic material such as synthetic hydrophilic polymers including polyvinylalcohol, polyacrylic acid, polymethacrylic acid, polyacrylamide, hydroxyalkylmethacrylates and hydroxyalkylacrylates, polyethylene oxid