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The objective of this research was the separation of ink from printed office paper using an amylolytic thermophilic microbe. The optimal parameters of pH, temperature, enzyme concentration and printed paper for maximum ink separation were evaluated by the amylolytic activity of Geobacillus thermoparaffinivorans from the geysers of Tacna, Peru. Amylases were incubated at optimal values of pH 6, 70 oC, 1% paper concentration and 20% enzyme concentration. A maximum ink separation of the printed -1 office paper of 0.570 mg ml was obtained at 40 minutes with -1 a maximum reducing sugar concentration of 0.275 mg ml at 100 minutes. ARTÍCULO ORIGINAL Universidad Nacional Jorge Basadre Grohmann. Tacna. Perú. E-mail: delsymirian@gmail.com Universidad Nacional Jorge Basadre Grohmann. Tacna. Perú. E-mail: ariadnazunigallanos@gmail.com Universidad Nacional Jorge Basadre Grohmann. Tacna. Perú. E-mail: dcastilloc@unjbg.edu.pe Información adicional Aprobado: 29/12/2020 ORCID 0000-0002-9021-412X

Separación de tinta de papel impreso por actividad amilolítica microbiana