{"id":2496,"date":"2026-09-11T19:53:22","date_gmt":"2026-09-12T00:53:22","guid":{"rendered":"https:\/\/www.cestoil.com\/?page_id=2496"},"modified":"2026-09-12T14:50:12","modified_gmt":"2026-09-12T19:50:12","slug":"inhibicion-sinergica-del-estireno-por-gcd2673","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/es\/case-studies\/gcd2673-styrene-synergistic-inhibition\/","title":{"rendered":"Northshore GCD2673: Inhibici\u00f3n sin\u00e9rgica en la destilaci\u00f3n de estireno"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<style>\n.ccr-case{max-width:1120px;margin:36px auto 70px;padding:0 24px;color:#414b53;font:18px\/1.75 Lato,Arial,sans-serif}\n.ccr-case *{box-sizing:border-box}.ccr-case h1,.ccr-case h2{color:#253d4c;font-family:inherit;font-weight:700;text-transform:none;letter-spacing:normal}\n.ccr-case h1{font-size:clamp(32px,4vw,46px);line-height:1.18;max-width:980px;margin:16px 0 24px}\n.ccr-case h2{font-size:27px;line-height:1.3;margin:0 0 18px}.ccr-case p{margin:0 0 18px}.ccr-case p:last-child{margin-bottom:0}\n.ccr-case a{color:#755c23;text-underline-offset:3px}.ccr-case .ccr-breadcrumb{font-size:14px;color:#59676e;margin-bottom:28px}\n.ccr-case .ccr-label{font-size:13px;line-height:1.5;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:#755c23;margin-bottom:10px}\n.ccr-case .ccr-lead{font-size:21px;line-height:1.65;max-width:940px;margin-bottom:24px}\n.ccr-case .ccr-button{display:inline-block;background:#293f4e;color:#fff;padding:13px 24px;text-decoration:none;border-radius:3px;font-size:16px;line-height:1.5;font-weight:700}\n.ccr-case .ccr-button:hover{background:#385667}.ccr-case a:focus-visible{outline:3px solid #196aa3;outline-offset:4px}\n.ccr-case .ccr-highlight{margin:32px 0 24px;background:#f4f5f7;border-left:4px solid #c5a356;padding:24px 28px}\n.ccr-case .ccr-highlight strong{font-size:25px;line-height:1.35;color:#253d4c;display:block}.ccr-case .ccr-jump{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:15px;border-bottom:1px solid #d8dde0;padding:0 0 24px}\n.ccr-case .ccr-section{display:grid;grid-template-columns:235px minmax(0,1fr);gap:42px;padding:34px 0;border-bottom:1px solid #e0e4e7;scroll-margin-top:130px}\n.ccr-case .ccr-section h2{font-size:24px}.ccr-case .ccr-result{border-top:3px solid #c5a356;border-bottom:1px solid #d8dde0;background:#fafaf8;padding:28px;margin:10px -28px}\n.ccr-case .ccr-request{padding:32px;background:#f4f5f7;margin:34px 0 24px;scroll-margin-top:130px}.ccr-case .ccr-request>p{max-width:860px;margin-bottom:22px}\n.ccr-case .ccr-small{font-size:14px;line-height:1.65;color:#59676e}.ccr-case .ccr-links{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:16px}\n.ccr-case .ccr-hero{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start}\n.ccr-case .ccr-report-preview{padding:14px 6px 0;text-align:center}.ccr-case .ccr-preview-card{width:178px;max-width:100%;margin:0 auto;display:block;position:relative;background:#fff;padding:8px;border:1px solid #d8dde0;box-shadow:0 10px 28px rgba(37,61,76,.13);text-decoration:none}\n.ccr-case .ccr-preview-card img{display:block;width:100%;height:auto}.ccr-case .ccr-preview-card:hover{outline:2px solid #c5a356;outline-offset:3px}\n.ccr-case .ccr-preview-caption{font-size:14px;line-height:1.6;margin:16px 0 0;color:#59676e}.ccr-case .ccr-preview-caption strong{display:block;color:#253d4c;font-weight:700}\n@media(max-width:850px){.ccr-case .ccr-hero{grid-template-columns:1fr;gap:24px}.ccr-case .ccr-report-preview{width:248px;max-width:100%;margin:0 auto}}\n@media(max-width:800px){.ccr-case .ccr-section{grid-template-columns:1fr;gap:4px;padding:26px 0}.ccr-case .ccr-section h2{font-size:25px}.ccr-case .ccr-result{padding:24px;margin:8px -12px}.ccr-case{padding:0 18px}.ccr-case .ccr-lead{font-size:20px}.ccr-case .ccr-request{padding:24px}.ccr-case .ccr-highlight{padding:21px}.ccr-case .ccr-section,.ccr-case .ccr-request{scroll-margin-top:90px}}\n<\/style><article class=\"ccr-case\" data-summary-version=\"expanded-20260912\" data-preview-version=\"compact-v2\"><nav class=\"ccr-breadcrumb\" aria-label=\"Migas de pan\"><a href=\"\/es\/casos-de-estudio\/\">Casos de estudio<\/a> \/ Soluciones para procesos petroqu\u00edmicos<\/nav><div class=\"ccr-hero\"><div><p class=\"ccr-label\">Resumen del estudio de caso<\/p><h1>Northshore GCD2673: Inhibici\u00f3n sin\u00e9rgica en la destilaci\u00f3n de estireno<\/h1><p class=\"ccr-lead\">Un productor de estireno deseaba reducir el costo de su programa de retardadores manteniendo al mismo tiempo la eficacia de la inhibici\u00f3n y la calidad del producto. Cestoil propuso a\u00f1adir Northshore GCD2673 junto con el retardador existente y, posteriormente, evaluar una reducci\u00f3n controlada del nivel residual de retardador. Durante una prueba en planta de un mes de duraci\u00f3n, el cliente registr\u00f3 una reducci\u00f3n de aproximadamente el 35 % en el contenido de gomas en los fondos de la columna primaria y mantuvo la calidad del producto. Este caso demuestra c\u00f3mo la secuencia de tratamiento y los controles operativos diarios respaldaron la evaluaci\u00f3n, por parte de la planta, de un programa de inhibici\u00f3n combinado.<\/p><a class=\"ccr-button\" href=\"https:\/\/www.cestoil.com\/es\/solicitar-estudio-de-caso\/?case=2496\">Solicitar el estudio de caso completo<\/a><\/div><aside class=\"ccr-report-preview\" aria-label=\"Vista previa del informe\"><a class=\"ccr-preview-card\" href=\"https:\/\/www.cestoil.com\/es\/solicitar-estudio-de-caso\/?case=2496\" aria-label=\"Solicite el caso pr\u00e1ctico completo Northshore GCD2673\"><img loading=\"lazy\" src=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/case-2496-compact-preview-v2.webp\" width=\"160\" height=\"208\" decoding=\"async\" alt=\"Vista previa reducida de una p\u00e1gina del informe del estudio de caso Northshore GCD2673\"><\/a><p class=\"ccr-preview-caption\"><strong>PDF ilustrado de 2 p\u00e1ginas<\/strong>Informe completo disponible previa aprobaci\u00f3n.<\/p><\/aside><\/div><aside class=\"ccr-highlight\" aria-label=\"Observaci\u00f3n clave\"><p class=\"ccr-label\">Northshore GCD2673<\/p><strong>Se report\u00f3 un 35 % menos de goma en los fondos<\/strong><\/aside><nav class=\"ccr-jump\" aria-label=\"En esta p\u00e1gina\"><a href=\"#case-section-1\">Desaf\u00edo operativo<\/a><a href=\"#case-section-3\">Implementaci\u00f3n en campo<\/a><a href=\"#case-section-4\">Resultados comunicados<\/a><a href=\"#case-report\">Estudio de caso completo<\/a><\/nav><section class=\"ccr-section\" id=\"case-section-1\"><h2>El costo de un programa basado \u00fanicamente en retardadores<\/h2><div><p>El complejo petroqu\u00edmico operaba un tren de destilaci\u00f3n de estireno compuesto por cuatro columnas. El programa vigente utilizaba un retardador comercial y manten\u00eda una cantidad residual considerable en los fondos de la columna primaria. El departamento t\u00e9cnico de la planta identific\u00f3 el consumo de retardador como un factor significativo en los costos de producci\u00f3n y deseaba evaluar un esquema de tratamiento m\u00e1s econ\u00f3mico.<\/p><p>La reducci\u00f3n de costos deb\u00eda abordarse teniendo en cuenta la protecci\u00f3n del proceso. La planta necesitaba controlar la formaci\u00f3n de pol\u00edmeros y gomas no deseados, manteniendo al mismo tiempo la operatividad de la columna, el manejo de alquitranes y la calidad del estireno. Reducir la dosificaci\u00f3n del retardador sin un plan de tratamiento supervisado no habr\u00eda dado respuesta a estas cuestiones. Por consiguiente, la evaluaci\u00f3n se centr\u00f3 en determinar si el programa combinado pod\u00eda permitir un nivel residual m\u00e1s bajo sin comprometer el rendimiento operativo requerido.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-2\"><h2>Combinaci\u00f3n de Northshore GCD2673 con el retardante actual<\/h2><div><p>Cestoil propuso el GCD2673 como componente inhibidor de un programa sin\u00e9rgico, manteniendo el retardador que ya se utilizaba. El concepto de tratamiento asignaba a ambos productos funciones complementarias en el control de la polimerizaci\u00f3n. En la prueba de planta, el retardador continu\u00f3 formando parte del programa operativo durante toda la evaluaci\u00f3n.<\/p><p>Tras realizar revisiones t\u00e9cnicas en las que participaron Cestoil y el proveedor del retardador, el departamento de investigaci\u00f3n y la unidad operativa de la planta dise\u00f1aron la prueba. El plan vinculaba los cambios en el punto de consigna del retardador con el an\u00e1lisis diario de los fondos y la supervisi\u00f3n del proceso. De este modo, la comparaci\u00f3n se convirti\u00f3 en una evaluaci\u00f3n del programa de tratamiento completo, manteniendo la planta el control de las condiciones operativas en cada etapa.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-3\"><h2>Determinar la respuesta antes de reducir el retardador<\/h2><div><p>El GCD2673 se introdujo en la alimentaci\u00f3n de la columna primaria a trav\u00e9s de un circuito de muestreo cerrado existente, mientras que el retardador se mantuvo en su punto de inyecci\u00f3n establecido, cerca de la parte superior de la columna. Inicialmente, el equipo no modific\u00f3 la dosificaci\u00f3n del retardador. Esto permiti\u00f3 observar la respuesta inicial de formaci\u00f3n de gomas antes de comenzar a reducir la cantidad de retardador.<\/p><p>Posteriormente, el punto de consigna del retardador se redujo por etapas; cada etapa se mantuvo y verific\u00f3 antes de realizar el siguiente ajuste. La prueba se llev\u00f3 a cabo desde finales de junio hasta finales de julio de 2019. Los an\u00e1lisis diarios y las observaciones operativas abarcaron el contenido residual de retardador, las gomas y los pol\u00edmeros, las temperaturas y presiones de la columna, el comportamiento del alquitr\u00e1n y la calidad del producto. El informe completo conserva la cronolog\u00eda necesaria para comprender c\u00f3mo se relacionaban dichas mediciones con los cambios en el tratamiento.<\/p><\/div><\/section><section class=\"ccr-section ccr-result\" id=\"case-section-4\"><h2>Resultado notificado: enc\u00eda inferior<\/h2><div><p>A los pocos d\u00edas de introducir el GCD2673, el contenido de gomas registrado en los fondos de la columna primaria descendi\u00f3 de aproximadamente 367 a 240 mg\/100 mL, lo que supone una reducci\u00f3n de cerca del 35 % . Esta disminuci\u00f3n se produjo antes de la primera reducci\u00f3n escalonada de la dosis del retardador, y los niveles de gomas se mantuvieron por debajo de la referencia establecida con el uso exclusivo de retardador durante la prueba. El cliente tambi\u00e9n concluy\u00f3 que el programa combinado manten\u00eda la eficacia de la inhibici\u00f3n con un nivel residual de retardador m\u00e1s bajo.<\/p><p>Estas observaciones resultan \u00fatiles cuando se consideran en conjunto. La respuesta inicial refleja la adici\u00f3n de GCD2673, mientras que las etapas posteriores muestran el comportamiento del programa combinado a medida que se modificaba la configuraci\u00f3n del retardador. El resultado es m\u00e1s s\u00f3lido como secuencia de observaciones operativas que como afirmaci\u00f3n aislada sobre la reducci\u00f3n del uso de productos qu\u00edmicos. Los detalles sobre concentraciones, par\u00e1metros de tratamiento y gr\u00e1ficos de tendencias figuran en el informe completo para su revisi\u00f3n t\u00e9cnica.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-5\"><h2>Calidad del producto y manejo del alquitr\u00e1n<\/h2><div><p>El cliente monitore\u00f3 la pureza del estireno y el contenido de pol\u00edmero en los tanques de producto durante toda la evaluaci\u00f3n, informando que la calidad del producto se mantuvo en los niveles previos a la prueba. Las mediciones de temperatura y presi\u00f3n de la columna tambi\u00e9n permanecieron estables durante la comparaci\u00f3n de los tratamientos. Estas verificaciones permitieron a la planta evaluar si el programa qu\u00edmico revisado cumpl\u00eda con sus requisitos operativos generales.<\/p><p>El informe describe, adem\u00e1s, una producci\u00f3n de alquitr\u00e1n ligeramente menor, un contenido aceptable de estireno en el alquitr\u00e1n y la ausencia de obstrucciones en la l\u00ednea de transferencia de alquitr\u00e1n durante la prueba. Estas observaciones complementan los resultados de la aplicaci\u00f3n y ofrecen a otros productores cuestiones \u00fatiles para incluir en una evaluaci\u00f3n, especialmente cuando el comportamiento de los fondos y la gesti\u00f3n del alquitr\u00e1n son aspectos importantes, junto con los indicadores principales de control del pol\u00edmero.<\/p><\/div><\/section><section class=\"ccr-section\" id=\"case-section-6\"><h2>C\u00f3mo evalu\u00f3 la planta el valor del costo de los productos qu\u00edmicos<\/h2><div><p>La planta inform\u00f3 un beneficio neto en los costos de productos qu\u00edmicos tras considerar la adici\u00f3n de GCD2673. Su estimaci\u00f3n se bas\u00f3 en los datos hist\u00f3ricos de consumo y costo del retardador, as\u00ed como en los par\u00e1metros de tratamiento establecidos para la prueba. El mes de la prueba tambi\u00e9n incluy\u00f3 un periodo inicial y una reducci\u00f3n gradual; por consiguiente, el consumo mensual medido y el punto de consigna operativo final representan perspectivas distintas del programa.<\/p><p>El informe detallado explica dicha base econ\u00f3mica. Para otra planta, ser\u00eda necesario contar con los precios de compra actuales, la tasa de producci\u00f3n, el consumo de productos qu\u00edmicos y el periodo de comparaci\u00f3n seleccionado para calcular un ahorro significativo. La estimaci\u00f3n hist\u00f3rica constituye un ejemplo \u00fatil del m\u00e9todo de evaluaci\u00f3n del cliente, m\u00e1s que una cotizaci\u00f3n de costos actual o un retorno garantizado para otra l\u00ednea de destilaci\u00f3n.<\/p><\/div><\/section><section class=\"ccr-request\" id=\"case-report\"><h2>Revise la secuencia y las tendencias de respaldo.<\/h2><p>Solicite el estudio de caso completo para examinar la reducci\u00f3n gradual del retardador, las tendencias diarias de residuos y gomas, los controles de calidad del producto y la estimaci\u00f3n de costos de productos qu\u00edmicos del cliente. Estos detalles ayudan a un equipo t\u00e9cnico a evaluar c\u00f3mo una evaluaci\u00f3n similar podr\u00eda integrarse en su propio programa de inhibici\u00f3n. Incluya en su solicitud la configuraci\u00f3n del proceso, la disposici\u00f3n actual de inhibidores o retardadores y el objetivo operativo. Cestoil revisa los datos de la empresa y la aplicaci\u00f3n prevista antes de facilitar el archivo PDF.<\/p><a class=\"ccr-button\" href=\"https:\/\/www.cestoil.com\/es\/solicitar-estudio-de-caso\/?case=2496\">Solicitar el estudio de caso completo<\/a><p class=\"ccr-small\" style=\"margin-top:16px\">Las solicitudes se revisan antes de que se publiquen los informes.<\/p><\/section><p class=\"ccr-small\">Fuente: Informe de prueba del cliente, unidad de destilaci\u00f3n de estireno, complejo petroqu\u00edmico asi\u00e1tico, junio-julio de 2019.<\/p><nav class=\"ccr-links\" aria-label=\"P\u00e1ginas relacionadas\"><a href=\"\/es\/aplicaciones-de-productos\/soluciones-para-procesos-petroquimicos\/\">Explore soluciones para procesos petroqu\u00edmicos<\/a><a href=\"\/es\/casos-de-estudio\/\">Todos los casos de estudio<\/a><\/nav><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Un productor asi\u00e1tico de estireno combin\u00f3 Northshore GCD2673 con su retardador actual para evaluar la inhibici\u00f3n sin\u00e9rgica en la destilaci\u00f3n.<\/p>","protected":false},"author":2,"featured_media":0,"parent":669,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-2496","page","type-page","status-publish","hentry","description-off"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"An Asian styrene producer combined Northshore GCD2673 with its existing retarder to evaluate synergistic inhibition in distillation. 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