Díaz Muñoz, Jorge Gerardo (Date of defense: 2014-02-18)
Today we are experiencing an "eco friendly boom"; which includes the developing of ecological processes that have a smaller impact in the environment. This is the reason that prompted me to carrying out ...
Castell Escuer, Joan Carles (Date of defense: 2012-03-02)
This thesis considers the fruit of the tara tree (Caesalpinia spinosa) as a sustainable source for tanning agents and proposes alternatives to the commercial mineral salts and vegetable extracts to ...