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Vélez Salazar, Yesid; Trujillo Vera, Diego Alejandro
Dyna (Medellín, Colombia), 2018, Volume: 85, Issue: 204Journal Article
There are not methods for direct biobased synthesis of caprolactam (CPL), the combination of biotechnological production of renewableraw materials with physical and chemical modifications are emerging and showing promising results. Among these raw materials there are someacids: adipic, glucaric, glutamic, levulinic, succinic, muconic, 2,5-furanicarboxylic, 6-aminocaproic; and other compounds: adiponitrile, lysine, 1,3-butadiene, 1,4-butanediol, Hydroxymethylfurfural, adipic semialdehyde, benzene, phenol and ethanol. There are barriers that have not allowedthe viability and commercial development of these processes, such as limitationson the fractionation of lignocellulosic biomass, high-energy requirements for separation of products, low yield, biological inhibition, limited chemical selectivity and low purity of products. Research and development efforts of any of these processes were not identified in Colombia. The route through the lysine is the most promising by involving few reaction stages, by having economic raw materials and because it is carried out under moderate operating conditions. No existen métodos para la síntesis biobasada directa de la caprolactama (CPL), la combinación de la producción biotecnológica de materias primas renovables con modificaciones por procesos físicos y químicos están emergiendo y mostrando resultados prometedores. Entre estas materias primas se encontraron los ácidos adípico, glucárico, glutámico, levulínico, succínico, mucónico, 2,5-furandicarboxílico, 6-aminocapróico, adiponitrilo, lisina, 1,3-butadieno, 1,4-butanodiol, hidroximetilfurfural, semialdehído adípico, benceno, fenol y etanol. Hay barreras que no han permitido la viabilidad y desarrollo comercial de estos procesos, como las limitaciones en torno al fraccionamiento de la biomasa lignocelulósica, altos requerimientos de energía para separación de productos de poco rendimiento, inhibición biológica, selectividad química limitada y baja pureza de los productos. En Colombia no se identificaron esfuerzos de investigación y desarrollo de ninguno de estos procesos. La ruta a través de la lisina es la más prometedora al involucrar pocas etapas de reacción, tener materias primas económicas y llevarse a cabo bajo condiciones de operación moderadas.
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