Rev. P+L - vol.7 issue1

Table of contents
Rev. P+L vol.7 no.1 Caldas Jan./June 2012

Editorial

	· text in Spanish · Spanish ( pdf )

Original article

	· *Adsorption of methylene blue on rice hulls by* Moreno, Anderson; Figueroa, Danilo; Hormaza, Angelina · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· *Determination and quantification of the levels of organochlorine compounds on pasteurized milk* Castilla Pinedo, Yolanda; Mercado Martínez, Iván Darío; González Silva, Germán · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· *The limited rationality of the contaminant agents and its effects on the economic efficiency of the control of liquid discharges: the case of the retributive rates* Méndez Sayago, Jhon Alexander; Hernández Escolar, Hugo Alfonso · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· *Degradation and mineralization of the ponceau red dye by the use of the Fenton reagent* Arroyave Rojas, Joan Amir; Rodríguez Gaviria, Edna Margarita; Barón Aristizábal, Carlos Alberto; Moreno Salazar, Cristian Camilo · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· *Effects of the pH and the conductivity on the electrocoagulation of waste water from dairy industries* Arango Ruiz, Álvaro · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· *Methodology to segregate chemical waste generated in the biochemistry and animal feeding laboratory at Politécnico Colombiano Jaime Isaza Cadavid* Mejía S, Luz D; Ardila A, Alba N · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Analysis of the optimal conditions for the mineralization and degradation of Novactive Red F6BS in waste water Garcés Giraldo, Luis Fernando · abstract in English \| Spanish \| Portuguese · text in English · English ( pdf )

	· *Ethanol production from yucca four by the use of several strategies in a continuous way* Castaño Peláez, Hader; Mejía Gómez, Carlos; Ríos Márquez, Óscar · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· *Comparison between biostimulation and bioaugmentation to recover soils contaminated with diesel* Pino Rodríguez, Nancy J; Carvajal, Stephanie; Gallo, Andrés; Peñuela, Gustavo · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· *Sustainable development and recycling of used cooking oil under the Colombian jurisprudence and juridical order* Echavarría Restrepo, Juliana · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )