<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Pereira, C.</style></author><author><style face="normal" font="default" size="100%">Caldeira Jorge, F.</style></author><author><style face="normal" font="default" size="100%">Ferreira, J. M. F.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Adsorption of Cations from a Cement Suspension onto Lignocellulosic Substrates and its Influence on Cement Setting</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Wood Chemistry and Technology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Adsorption</style></keyword><keyword><style  face="normal" font="default" size="100%">cations</style></keyword><keyword><style  face="normal" font="default" size="100%">cement</style></keyword><keyword><style  face="normal" font="default" size="100%">hindrance</style></keyword><keyword><style  face="normal" font="default" size="100%">interactions</style></keyword><keyword><style  face="normal" font="default" size="100%">lignocellulosics</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2005</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2005///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://dx.doi.org/10.1080/02773810500366672</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">25</style></volume><pages><style face="normal" font="default" size="100%">231 - 244</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Abstract The calcium (Ca), sodium (Na), and potassium (K) contents of blue gum, maritime pine, and cork increased after these lignocellulosics were stirred with the filtrate of a cement suspension or a solution of calcium hydroxide. The adsorbed cations could be released easily by treatment with an acidic solution. It is suggested that those raw materials, and lignocellulosics in general, act as cation exchange substrates when they are mixed with cement and water to make wood?cement composites. The implications that such phenomena may have on cement hardening reactions, and how they could hinder them are discussed. The possibility that the phenomenon is related to well?known compatibility problems that many woods present when manufacturing wood?cement composites is discussed.</style></abstract><issue><style face="normal" font="default" size="100%">4</style></issue><notes><style face="normal" font="default" size="100%">doi: 10.1080/02773810500366672doi: 10.1080/02773810500366672The following values have no corresponding Zotero field:&lt;br/&gt;publisher: Taylor &amp; Francis</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Pereira, C</style></author><author><style face="normal" font="default" size="100%">Caldeira Jorge, F</style></author><author><style face="normal" font="default" size="100%">Ferreira, J M F</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Adsorption of Cations from a Cement Suspension onto Lignocellulosic Substrates and its Influence on Cement Setting</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Wood Chemistry and Technology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Adsorption</style></keyword><keyword><style  face="normal" font="default" size="100%">cations</style></keyword><keyword><style  face="normal" font="default" size="100%">cement</style></keyword><keyword><style  face="normal" font="default" size="100%">hindrance</style></keyword><keyword><style  face="normal" font="default" size="100%">interactions</style></keyword><keyword><style  face="normal" font="default" size="100%">lignocellulosics</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2005</style></year></dates><publisher><style face="normal" font="default" size="100%">Taylor &amp; Francis</style></publisher><volume><style face="normal" font="default" size="100%">25</style></volume><pages><style face="normal" font="default" size="100%">231-244</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Abstract The calcium (Ca), sodium (Na), and potassium (K) contents of blue gum, maritime pine, and cork increased after these lignocellulosics were stirred with the filtrate of a cement suspension or a solution of calcium hydroxide. The adsorbed cations could be released easily by treatment with an acidic solution. It is suggested that those raw materials, and lignocellulosics in general, act as cation exchange substrates when they are mixed with cement and water to make wood?cement composites. The implications that such phenomena may have on cement hardening reactions, and how they could hinder them are discussed. The possibility that the phenomenon is related to well?known compatibility problems that many woods present when manufacturing wood?cement composites is discussed.</style></abstract><notes><style face="normal" font="default" size="100%">doi: 10.1080/02773810500366672</style></notes><research-notes><style face="normal" font="default" size="100%">doi: 10.1080/02773810500366672</style></research-notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Cordero, T.</style></author><author><style face="normal" font="default" size="100%">Marquez, F.</style></author><author><style face="normal" font="default" size="100%">Rodriguez-Mirasol, J.</style></author><author><style face="normal" font="default" size="100%">Rodriguez, J. J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Predicting heating values of lignocellulosics and carbonaceous materials from proximate analysis</style></title><secondary-title><style face="normal" font="default" size="100%">Fuel</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">charcoal</style></keyword><keyword><style  face="normal" font="default" size="100%">heating value calculation</style></keyword><keyword><style  face="normal" font="default" size="100%">lignocellulosics</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2001</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2001///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://linkinghub.elsevier.com/retrieve/pii/S0016236101000345</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">80</style></volume><pages><style face="normal" font="default" size="100%">1567 - 1571</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">A simple equation based on proxymate analysis (volatile matter and fixed carbon contents) is presented which allows calculation of the higher heating value of lignocellulosic as well as the charcoals resulting from their carbonization. The equation has been tested with different lignocellulosic wastes and chars obtained from carbobization at different temperatures. Derivations from the experimental heating values fall in most cases below 2%. A comparison is presented with some equationsfrom the literature based on proximate, ultimate and chemical analysis data. As a general conclusion the equation proposed in this paper leads to comparableand in many cases more accurate predictions of heating valus and has the advantage of being applicable to a wide range of carbonaceous materials, requiring only a simple, rapid and cheap proximate analysis of the samples</style></abstract><issue><style face="normal" font="default" size="100%">11</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Cordero, T</style></author><author><style face="normal" font="default" size="100%">Marquez, F</style></author><author><style face="normal" font="default" size="100%">Rodriguez-Mirasol, J</style></author><author><style face="normal" font="default" size="100%">Rodriguez, J J</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Predicting heating values of lignocellulosics and carbonaceous materials from proximate analysis</style></title><secondary-title><style face="normal" font="default" size="100%">Fuel</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">charcoal</style></keyword><keyword><style  face="normal" font="default" size="100%">heating value calculation</style></keyword><keyword><style  face="normal" font="default" size="100%">lignocellulosics</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2001</style></year></dates><volume><style face="normal" font="default" size="100%">80</style></volume><pages><style face="normal" font="default" size="100%">1567-1571</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">A simple equation based on proxymate analysis (volatile matter and fixed carbon contents) is presented which allows calculation of the higher heating value of lignocellulosic as well as the charcoals resulting from their carbonization. The equation has been tested with different lignocellulosic wastes and chars obtained from carbobization at different temperatures. Derivations from the experimental heating values fall in most cases below 2%. A comparison is presented with some equationsfrom the literature based on proximate, ultimate and chemical analysis data. As a general conclusion the equation proposed in this paper leads to comparableand in many cases more accurate predictions of heating valus and has the advantage of being applicable to a wide range of carbonaceous materials, requiring only a simple, rapid and cheap proximate analysis of the samples</style></abstract></record></records></xml>