{"id":2288,"date":"2010-02-20T22:31:38","date_gmt":"2010-02-20T19:31:38","guid":{"rendered":"http:\/\/www.ceprocim.ro\/proiecte\/english-lieco-en\/"},"modified":"2010-05-03T12:05:03","modified_gmt":"2010-05-03T10:05:03","slug":"english-lieco-en","status":"publish","type":"page","link":"https:\/\/www.ceprocim.ro\/en\/activitati\/proiecte\/english-lieco-en\/","title":{"rendered":"lieco-en"},"content":{"rendered":"<h2>Basic research for developing new ecological  MgO-based              binding systems acting as a carbon sink &#8211; LIECO,<br \/> CEEX-M1-C2-934<\/h2>\n<div>\n<div><strong> Contract No<strong>. <\/strong><\/strong><strong>275\/2006<\/strong> <br \/> <strong>Project Manager: <\/strong>Chem. Gabriela Ilie<br \/> E-mail: <a href=\"mailto:produse-res@ceprocim.ro\">produse-res@ceprocim.ro<\/a><br \/> Tel: (021)3188893\/175<\/div>\n<ul type=\"square\">\n<li><a href=\"file:\/\/\/E:\/work\/ceprocim-old\/en\/proiecte\/lieco-en.php#1\">1.  Information<\/a><\/li>\n<li><a href=\"file:\/\/\/E:\/work\/ceprocim-old\/en\/proiecte\/lieco-en.php#2\">2.  Stages. Activities. Results<\/a><\/li>\n<li><a href=\"file:\/\/\/E:\/work\/ceprocim-old\/en\/proiecte\/lieco-en.php#3\">3.  Results<\/a><\/li>\n<li><a href=\"file:\/\/\/E:\/work\/ceprocim-old\/en\/proiecte\/lieco-en.php#4\">4.  Dissemination of information<\/a><\/li>\n<\/ul>\n<\/div>\n<p><strong> <a name=\"1\"><span style=\"font-size: small;\">1. Information:<\/span><\/a><br \/> <\/strong><br \/> <strong><span style=\"font-size: small;\">1.1 Client :<\/span><\/strong> The Politehnica  Management  Agency of Scientific Research, Innovation and Technology  Transfer, Bucharest<\/p>\n<p> <strong><span style=\"font-size: small;\">1.2. Project Coordinator :<\/span> <span style=\"font-size: small;\"><span>CEPROCIM S.A. Bucuresti<\/span><\/span><\/strong><\/p>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" width=\"600\" align=\"center\">\n<tbody>\n<tr>\n<td width=\"212\">\n<p align=\"center\"><img loading=\"lazy\" src=\"file:\/\/\/E:\/work\/ceprocim-old\/en\/proiecte\/images\/eco_clinker_clip_image006.jpg\" alt=\"clinker 1\" width=\"191\" height=\"41\" align=\"middle\" \/><\/p>\n<\/td>\n<td width=\"386\">\n<p align=\"left\"><span style=\"font-size: x-small;\">ROMANIA, 6 Bucharest, # 6  blvd. Preciziei, code 062203<br \/> phone: +(4021) 318 88 84; 318 88 90; 318 88 93.<br \/> fax: +(4021) 318 88 76; 318 88 94.<br \/> <strong>E-mail: <a href=\"mailto:office@ceprocim.ro\">office@ceprocim.ro<\/a>;                     <a href=\"mailto:res@ceprocim.ro\">res@ceprocim.ro<\/a> <\/strong><br \/> <strong>Web: <a href=\"https:\/\/www.ceprocim.ro\/\">www.ceprocim.ro<\/a><\/strong><br \/> <\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><span style=\"font-size: small;\">1.3 Partners :<\/span><\/strong><\/p>\n<p>Partner 1: The National Institute of Research and Development  for Metals and Radioactive Resources<\/p>\n<table border=\"0\" width=\"600\" align=\"center\">\n<tbody>\n<tr>\n<td width=\"201\" height=\"106\"><img src=\"file:\/\/\/E:\/work\/ceprocim-old\/en\/proiecte\/images\/incd.jpg\" alt=\"\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Partner 2: PROCEMA RESEARCH SRL<\/p>\n<table style=\"height: 136px;\" border=\"0\" width=\"600\" align=\"center\">\n<tbody>\n<tr>\n<td height=\"131\" valign=\"top\"><img src=\"file:\/\/\/E:\/work\/ceprocim-old\/en\/proiecte\/images\/procema.jpg\" alt=\"\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Partner 3: University Politehnica of Bucharest, Centre of  Research and Expertise for Special Materials<\/p>\n<table border=\"0\" width=\"600\" align=\"center\">\n<tbody>\n<tr>\n<td>\n<div><img loading=\"lazy\" src=\"file:\/\/\/E:\/work\/ceprocim-old\/en\/proiecte\/images\/cems.jpg\" alt=\"\" width=\"471\" height=\"138\" \/><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a name=\"8\"><\/a><br \/> <strong>1.4. Duration: <\/strong>13<sup>th<\/sup> September 2006 &#8211; 15<sup>th<\/sup> September 2008<\/p>\n<p> <strong><span style=\"font-size: small;\">1.5. Description<\/span><\/strong><\/p>\n<p><strong>1.5.1. <span style=\"text-decoration: underline;\">Scope:<\/span><\/strong> <\/p>\n<p> The main purpose of the LIECO Project is to generate  knowledge by  way of unfolding scientific<br \/> research activities within national partnerships regarding  the development of a new cementitious<br \/> system based on OPC &#8211; reactive magnesia-pozzolana.<\/p>\n<p><strong>1.5.2. <span style=\"text-decoration: underline;\">Summary:<\/span><\/strong><\/p>\n<p align=\"justify\">The new cementitious systems with high  quality and ecological and economical performances will involve lower energy consumption than Portland cement by  approx. 25%. Being able to capture and sequestrate the CO<sub>2<\/sub> from the air, the new cementitious  systems will have the advantage of being environmentally friendly.  <br \/> The new cementitious systems will involve lower heat energy  consumption than ordinary Portland cement due to a number of aspects:<\/p>\n<ul>\n<li>Substituting reactive magnesia for Portland cement  clinker in varying ratios. Reactive MgO<br \/> retains a large amount of thermal energy.<\/li>\n<li>Increasing the pozzolana ratio in the binder as compared  to the present-day cement sorts. The<br \/> fact allows replacing the clinker up to a considerable  ratio.<\/li>\n<\/ul>\n<p>In recent years, the cement industry around the world is  facing a major environmental problem, namely, the emission of CO<sub>2<\/sub> which has a particularly negative  impact on the greenhouse effect.<br \/> Manufacturing ecological binders in the OPC &#8211; reactive  magnesia-pozzolana system allows reducing the amount of CO<sub>2<\/sub> in the atmosphere.<\/p>\n<p style=\"text-align: left;\">Reducing the CO<sub>2<\/sub> emissions due to decreasing the heat  consumption, and therefore diminishing the consumption of fuel.<\/p>\n<p>Absorption of an amount of CO<sub>2<\/sub> from the air, during the  hardening of the cementitious system, by way of the carbonation undergone by Mg(OH)<sub>2<\/sub>.<\/p>\n<p> <strong>1.5.3. <span style=\"text-decoration: underline;\">Objectives:<\/span><\/strong> <\/p>\n<p> Developing new cement sorts based on other compositional  systems than Portland cement. Such systems include reactive magnesia which has proved positive  effects on the environment.<\/p>\n<p> <strong>1.5.4. <span style=\"text-decoration: underline;\">Envisaged results:<\/span><\/strong> <\/p>\n<p> Manufacturing for the first time in Romania binders in the  OPC-reactive magnesia-pozzolana system featuring high quality performances<\/p>\n<p> Dissemination of the obtained results<\/p>\n<p> Filing applications for patents of the obtained products<\/p>\n<p> <strong><span style=\"font-size: small;\">1.6. Staff involved in the Project :<\/span><\/strong><\/p>\n<ul>\n<li> Scientific Researchers, Grade 1: Six individuals<\/li>\n<li> Scientific Researchers, Grade 2: Five individuals<\/li>\n<li> Scientific Researchers, Grade 3: Three individuals<\/li>\n<li> Scientific Researchers: Six individuals<\/li>\n<li> Engineers: Six individuals<\/li>\n<\/ul>\n<p>In total eleven titles of doctor and eight aspirants at a  doctor&#8217;s title &#8211; 11<\/p>\n<p><strong> <a name=\"2\"><span style=\"font-size: small;\">2. Stages. Activities.  Results<\/span><\/a><\/strong> <\/p>\n<p> <strong>2.1. Stage I<\/strong> &#8211; Documentary study regarding the  elaboration              of new methods, procedures and modalities to manufacture new  ecological              binding systems containing reactive magnesia<\/p>\n<p> <strong>2.2. Stage II<\/strong> &#8211; Investigating the materials which are  potential              sources of ecological binding             systems<\/p>\n<p><strong>2.3. Stage III<\/strong> &#8211; Establishing a correlation between  the chemical              and structural composition and the quality of ecological  binders in the OPC-reactive magnesia-pozzolana system<\/p>\n<p><strong>2.4. Stage IV <\/strong>&#8211; Experimental investigations for  developing ecological binders in the system OPC &#8211; reactive  magnesia-pozzolana<\/p>\n<p><strong>2.5. Stage V <\/strong>&#8211; Practical applications of the  obtained results<\/p>\n<p><strong> <a name=\"3\"><span style=\"font-size: small;\">3. Results<\/span><\/a><\/strong><\/p>\n<p><strong>3.1. Stage I<\/strong><br \/> The result of the first stage was a study regarding  ecological binding              systems containing reactive magnesia.<\/p>\n<p> <strong>Literature search has materialised into the  following information:<\/strong><\/p>\n<ul>\n<li>Modern approach in developing binding systems in  the building materials industry<\/li>\n<li>Investigating the composition and structure of the  new binding systems over the usual binding systems<\/li>\n<li> New methods, procedures and ways to obtain binders in  the OPC &#8211; reactive magnesia-pozzolana system<\/li>\n<li>Methods of manufacture and characteristics of the  reactive magnesia<\/li>\n<li>Mechanisms of the hardening processes in usual  binding systems and in the new systems<\/li>\n<li>Thermodynamics of the carbonation reactions in the  Portland cement and ecological binding systems<\/li>\n<li>Benefits of manufacturing the new ecological binding  systems based on reactive magnesia<\/li>\n<\/ul>\n<p><strong>3.2. Stage II<br \/> <\/strong> This study presents in detail the natural materials  used to obtain reactive magnesia and, also, pozzolana and clinker.<br \/> <strong>It was obtained the following information<\/strong>: <br \/> &#8211; a natural material which can be obtained reactive magnesia  are: <br \/> &#8211; brucite which can be found in deposits along with other  minerals such as calcite or dolomite. <br \/> The proportion of MgO varies from 16% to 65%, depending on  the deposit composition; <br \/> &#8211; magnesite: MgO content can reach 42-46% in the  representative deposits as that from Screechowl Creek &#8211; west mount Hut; <br \/> &#8211; dolomite, which contains18-22% MgO, depending on the  nature of the deposit.<br \/> <strong>Pozzolana may be<\/strong>: <br \/> &#8211; natural &#8211; volcanic tuff with a content of 40-64% SiO<sub>2<\/sub> reactive; <br \/> &#8211; Diatomite, with 40-69% SiO<sub>2<\/sub> reactive; <br \/> &#8211; Bentonite, with 25-49% SiO2 reactive; <br \/> &#8211; Porcelain, with 35-50% SiO<sub>2<\/sub> reactive. <br \/> &#8211; artificial &#8211; fly ash, with over 25% SiO<sub>2<\/sub> reactive;<br \/> <strong>The portland clinker: his hydraulic activity is  influenced by: <\/strong><br \/> &#8211; the chimico-mineralogical nature of the raw materials; <br \/> &#8211; composition, homogeneity and fineness of the raw mixture; <br \/> &#8211; the existance of the mineralizator; <br \/> &#8211; termotechnological regime of obtaining clinker<\/p>\n<p><strong>3.3. Stage III<\/strong><\/p>\n<p><strong>Was obtained binders in the following systems:<\/strong><br \/> &#8211; portland cement &#8211; reactive MgO;<br \/> &#8211; portland cement &#8211; reactive MgO &#8211; pozzolana;<br \/> &#8211; portland cement &#8211; calcar brucitic calcinat;<br \/> &#8211; portland cement &#8211; calcined brucitic limestone- pozzolana.<\/p>\n<p> Binder masses were characterized from physical point of view  (water of standard consistence, setting time and stability,  according SR EN 196-3:1995), chemical (water chemical bounded, according  to CEPROCIM method), mineralogical (diffraction of X radius) and  mechanical (mechanical strengths at bending and compression up to 90 days).  Chemical and mineralogical analysis were performed at different terms (2  hours, 5 hours, 2 days, 7 days, 28 days, 90 days) in order to  observe mechanism of hydration-hardening.<\/p>\n<p> The binder masses with above 20% MgO absorb CO<sub>2<\/sub> from  atmosphere by reason of the magnesiun hydroxide carbonatation process,  present in the system.<\/p>\n<p> <strong>3.4. Stage IV <\/strong><\/p>\n<ul type=\"square\">\n<li> Was obtained the binder masses with the following  characteristics:<\/li>\n<p>&#8211; class of resistance 32,5R-42,5R, for the binders with 5%  reactive MgO content<br \/> &#8211; class of resistance 32,5R, for the binders with 10%  reactive MgO content<\/p>\n<li> In the portland cement &#8211; reactive MgO &#8211; pozzolana  system:<\/li>\n<p>&#8211; class of resistance 32,5R-42,5R, for the binders with 5%  reactive MgO and 10% fly ash content<br \/> &#8211; class of resistance 32,5R, for the binders with 10%  reactive MgO and 10% fly ash content<\/p>\n<li> In the portland cement &#8211; calcined brucitic limestone &#8211; pozzolana system<\/li>\n<p>&#8211; class of resistance 32,5R, for the binders with 5%  reactive MgO and 20% burnt brucite limestone content<\/p>\n<li> In the portland cement &#8211; calcined brucitic limestone &#8211; pozzolana system\n<p>&#8211; class of resistance 32,5R, for the binders with 20%  burnt brucite limestone and up to 10% pozzolana content<\/p>\n<\/li>\n<li> SWOT analysis performed to obtain binder mass with 20 %  calcined brucitic limestone (the portland cement- calcined brucitic  limestone system) has highlighted the advantages of making it  compared to a portland cement with addition:<br \/> &#8211; fuel consumption reduced by cca.15% <br \/> &#8211; energy consumption reduced by approx. 9% <br \/> &#8211; CO<sub>2<\/sub> emission decreases with approx. 20% <br \/> &#8211; manufacturing price lower (considering the energy  consumption) <br \/> &#8211; organic binder is that the strengthening of the  atmosphere absorbs a quantity of CO<sub>2<\/sub> <br \/> &#8211; broadening the range of binders for construction  materials.<\/li>\n<\/ul>\n<p><strong>3.5. Stage V<\/strong> <\/p>\n<p> A patent application for the new types of ecological  binders: &#8220;Portland Cement obtained from nonconventional raw materials&#8221;, OSIM  registration numero A\/00687\/05.09.2008<br \/> Round Table to disseminate the knowledge<\/p>\n<p> <strong> <a name=\"4\"><span style=\"font-size: small;\">4. Dissemination of  information:<\/span><\/a><\/strong><\/p>\n<ul type=\"square\">\n<li>Noi sisteme liante ecologice continand MgO -The 5<sup>th<\/sup> National Conference &#8220;NEW RESEARCH TRENDS IN MATERIAL SCIENCE&#8221; &#8211; ARM-54 Sibiu, Romania, 5 &#8211; 7 September 2007<\/li>\n<li>Sisteme liante cu continut de MgO multifunctionale -1<sup>st<\/sup> Conference                &#8220;NANOSTRUCTURED MULTIFUNCTIONAL MATERIALS&#8221; &#8211; Sinaia,  Romania, 18 &#8211; 20 Octombrie 2007<\/li>\n<li>Novel construction binders &#8211; EUROPEAN CONGRESS ON  ADVANCED MATERIALS                AND PROCESSES, Nurnberg, Germania, 10 &#8211; 13 septembrie 2007<\/li>\n<li>New ecological binding systems containing magnesium  oxide &#8211; INTERNATIONAL CONFERENCE ON STRUCTURAL ANALYSIS OF ADVANCED MATERIALS,  Patras, Grecia, 2 &#8211; 6 Septembrie 2007<\/li>\n<li>Complex technologies of brucitic limestone  capitalization in environmental protection &#8211; XII BALKAN MINERAL CONGRESS, Delphi, Grecia, 10 &#8211; 14 iunie 2007<\/li>\n<li>Cercetari pentru realizarea unor noi sisteme liante  ecologice pe baza de MgO cu proprietati absorbante de CO<sub>2<\/sub> din  atmosfera -Conferinta EXCELLENCE RESEARCH &#8211; A WAY TO E.R.A., Brasov,  24 &#8211; 26octombrie 2007.<\/li>\n<li> Investigations for obtaining new ecological binding  systems based on MgO &#8211; XV International Conference, Mechanics of  composite materials, 26 &#8211; 30 May, 2008, Riga, Latvia<\/li>\n<li>Cercetari pentru realizarea unor noi sisteme cimentoide  cu continut ridicat de MgO &#8211; Conferinta EXCELLENCE RESEARCH &#8211; A WAY TO  INNOVATION, Brasov, 27 &#8211; 29 iulie 2008.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Basic research for developing new ecological MgO-based binding systems acting as a carbon sink &#8211; LIECO, CEEX-M1-C2-934 Contract No. 275\/2006 Project Manager: Chem. Gabriela Ilie E-mail: produse-res@ceprocim.ro Tel: (021)3188893\/175 1. Information 2. Stages. Activities. Results 3. Results 4. Dissemination of information 1. Information: 1.1 Client : The Politehnica Management Agency of Scientific Research, Innovation and [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":1952,"menu_order":27,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ceprocim.ro\/en\/activitati\/proiecte\/english-lieco-en\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"lieco-en - Ceprocim S.A.\" \/>\n<meta property=\"og:description\" content=\"Basic research for developing new ecological MgO-based binding systems acting as a carbon sink &#8211; LIECO, CEEX-M1-C2-934 Contract No. 275\/2006 Project Manager: Chem. 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Gabriela Ilie E-mail: produse-res@ceprocim.ro Tel: (021)3188893\/175 1. Information 2. Stages. Activities. Results 3. Results 4. Dissemination of information 1. 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