{"id":109877,"date":"2011-05-07T00:00:00","date_gmt":"2011-05-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/chemical-recycling-of-municipal-packaging-waste-by-pyrolysis\/"},"modified":"2011-05-07T00:00:00","modified_gmt":"2011-05-07T00:00:00","slug":"chemical-recycling-of-municipal-packaging-waste-by-pyrolysis","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ingenieria-y-tecnologia-quimicas\/chemical-recycling-of-municipal-packaging-waste-by-pyrolysis\/","title":{"rendered":"Chemical recycling of municipal packaging waste by pyrolysis"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alexander Lopez Urionabarrenechea <\/strong><\/h2>\n<p>Abstract the present doctoral thesis centers on studying pyrolysis as a chemical recycling technique for rejected packaging waste fractions coming from separation and sorting plants. The pyrolysis experiments have been carried out in a lab-scale installation equipped with a 3.5 l semi-batch reactor and a condensation and collection system for the liquids and gases generated. in the present thesis, an experimental study on the conventional pyrolysis process applied to the aforementioned waste fractions has been conducted, as well as the study of non-conventional or advanced pyrolysis processes such as catalytic and stepwise pyrolysis. The study of the operating parameters has been carried out using a mixed plastics simulated sample, the composition of which is similar to that found in real fractions, and subsequently the optimized process has been applied to real packaging waste. An exhaustive characterization of the solids, liquids and gases obtained in the process has been made after each experiment and their potential uses have been established. Finally, an empirical model that will predict the pyrolysis yields (% organic liquid, % aqueous liquid, % gases, % char, % inorganic solid) as a function of the composition of the initial sample has been developed. as a result of the experimental work done, the requirements have been established for an industrial packaging waste pyrolysis plant that aims to be sufficiently versatile as to generate useful products regardless of the nature of the raw material. resumen la presente tesis doctoral se centra en el estudio del proceso de pir\u00f3lisis como t\u00e9cnica de reciclado qu\u00edmico de fracciones rechazo de plantas de separaci\u00f3n y clasificaci\u00f3n de residuos municipales de envases y embalajes. Los ensayos de pir\u00f3lisis se han llevado a cabo en una planta piloto provista de un reactor semi-batch de 3,5 l de capacidad y un sistema de condensaci\u00f3n y recolecci\u00f3n de los productos l\u00edquidos y gaseosos generados. en la presente tesis se ha realizado un estudio experimental del proceso de pir\u00f3lisis convencional aplicado a los residuos de envases mencionados, as\u00ed como un estudio de procesos de pir\u00f3lisis no convencionales o avanzados, como son la pir\u00f3lisis catal\u00edtica y la pir\u00f3lisis por etapas. El an\u00e1lisis de los par\u00e1metros de operaci\u00f3n se ha llevado a cabo utilizando como muestra una mezcla de pl\u00e1sticos simulada, de composici\u00f3n semejante a las fracciones reales, y posteriormente se ha aplicado el proceso optimizado a residuos reales de envases y embalajes. En todos los ensayos se han caracterizado exhaustivamente los productos s\u00f3lidos, l\u00edquidos y gaseosos obtenidos, determinando su composici\u00f3n y propiedades, y estableciendo sus potenciales utilidades. Finalmente, se ha establecido un modelo emp\u00edrico que permite predecir los rendimientos de pir\u00f3lisis (% l\u00edquido org\u00e1nico, % l\u00edquido acuoso, % gases, % char, % s\u00f3lidos inorg\u00e1nicos) en funci\u00f3n de la composici\u00f3n de la muestra inicial. en base al trabajo experimental realizado se han establecido los requisitos que deber\u00eda cumplir una planta industrial de pir\u00f3lisis de residuos de envases a fin de ser suficientemente vers\u00e1til para generar productos aprovechables cualquiera que sea la naturaleza de la materia prima.  laburpena pirolisia hiriko ontzi-hondakinen erreusen birziklapenerako aukera gisa aztertu da tesi lan honetan. Pirolisi saiakuntzak 3,5 litro bolumeneko semi-batch erreaktoreaz eta likido eta gas produktuen kondentsazio eta bilketen sistemaz osatutako laborategiko instalazio batean egin dira. lan honetan, pirolisi konbentzionalaz gain, pirolisi prozesu aurreratuak ere aztertu dira, besteak beste, pirolisi katalitikoa edota etapaz etapa egindako pirolisia. Lan parametroak simulatutako lagin bat erabiliz aztertu eta optimizatu dira eta, ondoren, lortutako parametroak lagin errealen saiakuntzetan erabili dira. Saiakuntza guztietan, lortu diren produktu gaseoso, likido eta solidoak sakonki karakterizatu dira eta ondoren izan litzaketen erabilerak aztertu dira. Azkenik, pirolisi errendimenduak (likido organikoak %, likido urtsuak %, gasak %, char %, solido inorganikoak %) erabilitako laginaren konposizioaren arabera zenbatesteko tresna bat garatu da (modelo enpirikoa). egindako lan esperimentalean oinarrituta, ontzi-hondakinen erreusa tratatzeko instalazio industrial batek bete beharreko baldintzak ezarri dira, instalazioa, lehengaiak edonolako ezaugarriak dituztelarik, produktu baliagarri bihurtzeko gai izan dadin.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Chemical recycling of municipal packaging waste by pyrolysis<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Chemical recycling of municipal packaging waste by pyrolysis <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alexander Lopez Urionabarrenechea <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/07\/2011<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Isabel De Marco Rodriguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pedro Luis Arias ergueta <\/li>\n<li>koldo Gondra zubieta (vocal)<\/li>\n<li>meier Dietrich (vocal)<\/li>\n<li>sixto Arnaiz aguilar (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alexander Lopez Urionabarrenechea Abstract the present doctoral thesis centers on studying pyrolysis as a chemical recycling technique 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