Results 51 to 60 of about 198 (76)
SEPARACIÓN Y CARACTERIZACIÓN DE RESINAS Y ASFALTENOS PROVENIENTES DEL CRUDO CASTILLA. EVALUACIÓN DE SU INTERACCIÓN MOLECULAR</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>CT&F Ciencia, Tecnología & Futuro</i>, 2004 </span><br><span class="r_content">El estudio de las resinas y los asfaltenos, las fracciones más pesadas del petróleo, se ha convertido en un área de interés, debido a la abundancia de crudos pesados en Colombia y en América Latina.</span><br><span class="r_sub"><i>Lina Navarro<span id="ma_1" style="display:none">, Mario Álvarez, Jorge-Luis Grosso, Uriel Navarro</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_1')">+3 more</a></small></i></span><br><small><a href="https://doaj.org/article/80c5e2b8fb914c79ae2185f257c247d2" target="_blank" rel="nofollow" title="doaj.org/article/80c5e2b8fb914c79ae2185f257c247d2">doaj</a> </small> <br></div><div class="r"><p class="r_title"><a href="https://revistas.uis.edu.co/index.php/revistauisingenierias/article/view/8138" target="_blank" rel="nofollow">Precipitación de asfaltenos como mecanismo de obtención de una superficie hidrófoba en aluminio</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Revista UIS Ingenierías</i>, 2019 </span><br><span class="r_content">Este trabajo se enfocó en el desarrollo de un protocolo de alteración superficial para láminas de aluminio basada en la precipitación de asfaltenos, con miras al desarrollo futuro de aluminio celular tratado superficialmente para el tratamiento de agua ...</span><br><span class="r_sub"><i>Laura Carolina Álvarez-Gil<span id="ma_2" style="display:none">, Patricia Fernández-Morales, Juan Ramírez-Patiño</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_2')">+2 more</a></small></i></span><br><small><a href="https://doaj.org/article/0cfed78a15404712b0a902a4e58d2b4f" target="_blank" rel="nofollow" title="doaj.org/article/0cfed78a15404712b0a902a4e58d2b4f">doaj</a> </small> <br></div><div class="r"><p class="r_title"><a href="http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-53832016000100006&lng=en&tlng=en" target="_blank" rel="nofollow">CHEMICAL CHARACTERIZATION OF THE ASPHALTENES FROM COLOMBIAN COLORADO LIGHT CRUDE OIL</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>CT&F Ciencia, Tecnología & Futuro</i></span><br><span class="r_content">In the present work, we report the chemical characterization of asphaltenes from a light Colombian crude oil, 36° API, Colorado Crude Oil (CCO). Asphaltenes of CCO were extracted using the standard ASTM procedure, ASTM D6560-12.</span><br><span class="r_sub"><i>Juan-Carlos Poveda-Jaramillo<span id="ma_3" style="display:none">, Daniel-Ricardo Molina-Velasco, Natalia-Alexandra Bohorques-Toledo, Mary-Helena Torres, Emiliano Ariza-León</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_3')">+4 more</a></small></i></span><br><small><a href="https://doaj.org/article/0818c68d7f2f4f728d1fe69c0a206bec" target="_blank" rel="nofollow" title="doaj.org/article/0818c68d7f2f4f728d1fe69c0a206bec">doaj</a> </small> <br></div><div class="r"><p class="r_title"><a href="http://revistas.uis.edu.co/index.php/revistaion/article/view/4591/4811" target="_blank" rel="nofollow">Conversión pirolítica de los concentrados resino-asfalténicos de los crudos pesados</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Revista Ion</i>, 2014 </span><br><span class="r_content">El procesamiento del petróleo en las refinerías se ha complicado en los últimos años debido al agotamiento de los crudos livianos y la aparición de crudos pesados en la dieta de conversión. Uno de los mayores problemas que </span><br><span class="r_sub"><i>Natalia Afanasjeva</i></span><br><small><a href="https://doaj.org/article/0e810bc4bd57493b89b911f8780ad244" target="_blank" rel="nofollow" title="doaj.org/article/0e810bc4bd57493b89b911f8780ad244">doaj</a> </small> <br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/427682775.pdf" target="_blank" rel="nofollow">Coke formation during thermal cracking of a heavy crude oil</a> <b><a href="https://core.ac.uk/download/427682775.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2015 </span><br><span class="r_content">A pseudo-mechanism for the production of coke during the thermal cracking of a Colombian heavy crude oil was proposed based on thermal cracking experiments carried out at TGA and at horizontal tube furnace at atmospheric conditions.</span><br><span class="r_sub"><i>Urán Castaño, Laura Cristina</i></span><br><small><a href="https://core.ac.uk/works/25392940" target="_blank" rel="nofollow" title="core.ac.uk/works/25392940">core</a> </small> <br></div><div class="r"><p class="r_title"><a href="" target="_blank" rel="nofollow">Chemical characterization of the asphaltenes from colombian colorado light crude oil</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2016 </span><br><span class="r_content">In the present work, we report the chemical characterization of asphaltenes from a light Colombian crude oil, 36° API, Colorado Crude Oil (CCO). Asphaltenes of CCO were extracted using the standard ASTM procedure, ASTM D6560-12.</span><br><span class="r_sub"><i>Poveda, Juan Carlos<span id="ma_6" style="display:none">, Bohorques-Toledo, Natalia-Alexandra, Torres, Mary-Helena, Molina Velasco, Daniel, Ariza León, Emiliano</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_6')">+4 more</a></small></i></span><br><small><a href="https://core.ac.uk/works/141198305" target="_blank" rel="nofollow" title="core.ac.uk/works/141198305">core</a> </small> <br></div><div class="r"><p class="r_title"><a href="https://core.ac.uk/download/740556316.pdf" target="_blank" rel="nofollow">Reducción de la viscosidad del crudo en la región Oriente- Coca</a> <b><a href="https://core.ac.uk/download/740556316.pdf" target="_blank" rel="nofollow">[PDF]</a></b> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"></span><br><span class="r_content">La industria petrolera enfrenta desafíos constantes para mantener la eficiencia operativa
y la competitividad económica, especialmente en regiones como la Amazonía
ecuatoriana, donde la geología compleja y las características físico-químicas del crudo ...</span><br><span class="r_sub"><i>Salas Olmedo, Anthony Sebastián</i></span><br><small><a href="https://core.ac.uk/works/360821901" target="_blank" rel="nofollow" title="core.ac.uk/works/360821901">core</a> </small> <div id="more_7" style="display:none"><a href="https://core.ac.uk/works/354700797" target="_blank" rel="nofollow" title="core.ac.uk/works/354700797">core.ac.uk</a><br></div><small><a href="#" onClick="return toggle_div(this, 'more_7')">+1 more source</a></small><br></div><div class="r"><p class="r_title"><a href="https://revistas.uis.edu.co/index.php/revistafuentes/article/view/2616/2922" target="_blank" rel="nofollow">ASFALTENOS, UN DAÑO SEVERO EN YACIMIENTOS ALTAMENTE SUBSATURADOS DE ACEITE VOLÁTIL</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16"><i>Revista Fuentes El Reventón Energético</i>, 2011 </span><br><span class="r_content">Aphaltene organic precipitation and deposition is known as a severe problem at reservoir level, especially in high
sub-saturated reservoirs, due to the asphaltic deposition is extended beyond wellbore.</span><br><span class="r_sub"><i>Andrés Camilo Rincón Chavez<span id="ma_8" style="display:none">, Laura Tatiana Cabrales Campo, Zuly Himelda Calderón Carrillo</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_8')">+2 more</a></small></i></span><br><small><a href="https://doaj.org/article/56893bfee84e4b4eab923fb6cf98fc11" target="_blank" rel="nofollow" title="doaj.org/article/56893bfee84e4b4eab923fb6cf98fc11">doaj</a> </small> <br></div><div class="r"><p class="r_title"><a href="" target="_blank" rel="nofollow">MEJORAS DE CONVERSIÓN Y DISTRIBUCIÓN DE PRODUCTOS EN LICUEFACCIÓN DIRECTA USANDO FRACCIONES DE CARBÓN SEPARADAS POR FLOTACIÓN BURBUJEANTE</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2022 </span><br><span class="r_content">RESUMEN Fracciones de carbón, concentradas en macérales reactivos y reducidas en materia mineral (concentrados), se obtuvieron a gran escala usando dos aparatos de flotación de carbón: una Columna convencional y una Celda Jameson.</span><br><span class="r_sub"><i>BARRAZA, J., CLOKE, M.</i></span><br><small><a href="https://core.ac.uk/works/401498900" target="_blank" rel="nofollow" title="core.ac.uk/works/401498900">core</a> </small> <br></div><div class="r"><p class="r_title"><a href="" target="_blank" rel="nofollow">Asphaltenes and preasphaltenes from coal liquid extracts: feedstocks to obtain carbon mesophase</a> </p><span class="r_subtitle"><img src="/img/openaccess.ico" alt="open access: yes" title="open access: yes" width="16" height="16">, 2017 </span><br><span class="r_content">The aim of this work was to produce mesophase by using preasphaltenes and asphaltenes from coal liquid extracts obtained in a Direct Coal Liquefaction (DCL) process.</span><br><span class="r_sub"><i>Barraza, Juan<span id="ma_10" style="display:none">, Barona, Lina, Muñoz, Natalia</span> <small><a href="#" style="color:#808080;" onClick="return toggle_div(this, 'ma_10')">+2 more</a></small></i></span><br><small><a href="https://core.ac.uk/works/364589111" target="_blank" rel="nofollow" title="core.ac.uk/works/364589111">core</a> </small> <br></div><div class="r"><div style="margin-bottom:2px;overflow:hidden"><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-asfaltenos/" class="suggestion"onclick="show_loader();"><b>asfaltenos</b></a><br/><a href="/q-asphaltenes/" class="suggestion"onclick="show_loader();"><b>asphaltenes</b></a><br/><a href="/q-floculaci%C3%B3n/" class="suggestion"onclick="show_loader();"><b>floculación</b></a><br/></div><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-sara/" class="suggestion"onclick="show_loader();"><b>sara</b></a><br/><a href="/q-petr%C3%B3leo/" class="suggestion"onclick="show_loader();"><b>petróleo</b></a><br/><a href="/q-cocus_nucifera/" class="suggestion"onclick="show_loader();"><b>cocus nucifera</b></a><br/></div><div style="display: inline-block; float: left; font-size: small; padding-right: 16px; margin-top: -1px; padding-bottom: 1px;"><a href="/q-dispersante/" class="suggestion"onclick="show_loader();"><b>dispersante</b></a><br/><a href="/q-eficiencia_de_dispersi%C3%B3n/" class="suggestion"onclick="show_loader();"><b>eficiencia de dispersión</b></a><br/><a href="/q-drx/" class="suggestion"onclick="show_loader();"><b>drx</b></a><br/></div></div></div><div class="pagenav"><a href="/q-asf%C3%A1ltenos/p-5/" rel="nofollow"><b>previous</b></a> <a href="/q-asf%C3%A1ltenos/p-4/" rel="nofollow">4</a> <a href="/q-asf%C3%A1ltenos/p-5/" rel="nofollow">5</a> <b>6</b> <a href="/q-asf%C3%A1ltenos/p-7/" rel="nofollow">7</a> <a href="/q-asf%C3%A1ltenos/p-8/" rel="nofollow">8</a> <a href="/q-asf%C3%A1ltenos/p-7/" id="next" rel="nofollow"><b>next</b></a> </div><br></div>
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