[{"command":"settings","settings":{"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"user":{"uid":0,"permissionsHash":"d9587e6f410d2e7f476e3da6cb10a457c78ab82347f962bf83d9020620f901dd"}},"merge":true},{"command":"add_css","data":[{"rel":"stylesheet","media":"all","href":"\/modules\/contrib\/addtocal\/addtocal.css?t2408i"},{"rel":"stylesheet","media":"all","href":"\/themes\/custom\/cest2025\/css\/components\/node.css?t2408i"}]},{"command":"add_js","selector":"body","data":[{"src":"\/core\/assets\/vendor\/jquery\/jquery.min.js?v=3.7.1"},{"src":"\/core\/assets\/vendor\/once\/once.min.js?v=1.0.1"},{"src":"\/core\/misc\/drupalSettingsLoader.js?v=10.5.1"},{"src":"\/core\/misc\/drupal.js?v=10.5.1"},{"src":"\/core\/misc\/drupal.init.js?v=10.5.1"},{"src":"\/modules\/contrib\/addtocal\/addtocal.js?v=10.5.1"},{"src":"\/modules\/contrib\/addtocal\/addtocal-download.js?v=10.5.1"}]},{"command":"openDialog","selector":"#drupal-modal","settings":null,"data":"\n\u003Carticle class=\u0022node node--type-presentation node--promoted node--view-mode-modal\u0022\u003E\n      \u003Cdiv\u003ESession 33 - Circular economy in agriculture and food systems (1)\u003C\/div\u003E\n  \n      \u003Cb\u003E\u003Cspan\u003EOptimizing Biochar from Palm Tree Waste for VOC Mitigation in Cattle Farms\u003C\/span\u003E\n\u003C\/b\u003E\n  \n      \u003Cdiv\u003E\u003Cb\u003ECEST ID: cest2025_00071\u003C\/b\u003E\u003C\/div\u003E\n  \n        \u003Cdiv class=\u0022mb-3\u0022\u003E\n      \u003Cb\u003ERoom Panacea | Sat 6 Sep 2025 | 12:20 - 12:30 pm\u003C\/b\u003E\n    \u003C\/div\u003E\n  \n          \n    \n  \n      \u003Cdiv class=\u0022mt-10\u0022\u003E\n            \u003Cdiv class=\u0022clearfix text-formatted field field--name-presentation-body field--type-text-long field--label-hidden field__item\u0022\u003EOptimizing biochar production from Washingtonian palm tree municipal waste presents a sustainable approach to mitigate volatile organic compounds (VOCs) from cattle farms, advancing the principles of the 4Rs: Reduce, Reuse, Recycle, and Recover. Key pyrolysis parameters, including temperature, nitrogen flow rate, and scalability, were systematically investigated to enhance the biochar\u2019s adsorption efficiency.\nPyrolysis temperatures were evaluated in a wide range (350-750 oC) at the laboratory scale, with 550 oC identified as the optimal temperature, producing biochar with high adsorptive capacity and structural stability. At this temperature, the biochar exhibited enhanced surface area, optimal pore volume, and suitable pore size, all of which are crucial for effective VOC adsorption and odor mitigation.\nNitrogen flow rates were varied between 100 and 1600 mL\/min, with 100 mL\/min proving optimal. This flow rate enhanced thermal decomposition efficiency, enabling a reduction in pyrolysis temperature. Under these conditions, VOCs, including odorous compounds like indole, p-Cresol, skatole, dimethyl disulfide (DMDS), and dimethyl trisulfide (DMTS), commonly associated with cattle manure emissions, were reduced by over 95%.\nThe process was successfully scaled up to a semi-pilot kiln, demonstrating the feasibility of translating laboratory results to larger-scale production while maintaining product consistency. Comprehensive characterization confirmed the biochar\u0027s structural integrity, thermal stability, and enhanced adsorption potential.\nThese findings position biochar derived from municipal woody waste as a sustainable, scalable solution for mitigating manure-associated VOC emissions, with potential for further enhancement through Mediterranean feedstocks and advanced activation techniques. \u003C\/div\u003E\n      \u003C\/div\u003E\n  \n  \u003Cdiv class=\u0022mt-5 mb-5\u0022\u003E\n          \u003Cspan\u003E\n          \u003Cb\u003EPresenter:\u003C\/b\u003E\n                      \u003Cp\u003E\n            Dr Marios Christodoulou\n            \u003C\/p\u003E\n                  \u003C\/span\u003E\n      \u003C\/div\u003E\n\n  \u003Cdiv class=\u0022mb-5\u0022\u003E\n          \u003Cdiv class=\u0022field__label\u0022\u003E\n        Authors\n      \u003C\/div\u003E\n              \u003Cp\u003E\n          Marios Christodoulou\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Michalis Vasiliades\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Antonios Tsiampartas\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Marinos Stylianou\n        \u003C\/p\u003E\n              \u003Cp\u003E\n          Agapios Agapiou\n        \u003C\/p\u003E\n            \u003C\/div\u003E\n\n\u003C\/article\u003E\n","dialogOptions":{"width":"700","position":{"my":"right top","at":"right top"},"closeOnEscape":true,"dialogClass":"presentation-dialog","modal":true,"title":"","classes":{"ui-dialog":"presentation-dialog"}}}]