22^nd International Conference on Past and Present Research Systems on Green Chemistry April 26-27, 2019 Vancouver, British Columbia, Canada

Maria Jose Lavorante was born in Buenos Aires City, Argentina, in 1979. She graduated as Sc Ba Chemistry from the University of Salvador. She is the Director of Research and Development Department of Renewable Energy at the Institution of Scientific and Technological Research for Defense, Argentina. She is Head Professor at the Engineer Faculty of the Army Div. Grl. Manuel Nicolás Savio, in charge of the subjects Organic Chemistry and Organic Synthesis. She has been a reviewer of different manuscripts to be presented in International Conferences as 2017 International Conference on New Energy and Future Energy System, 2017 International Conference on Water Resource and Environment and 2018. She also works reviewing manuscripts to be published in the scientific journal \"Proceedings of the Institution of Civil Engineers-Energy\". Since, 2017 is part of the Advisory Board of Cambridge Scholars Publishing and reviewer of American Journal of Energy Engineering. She delivered several oral presentations in different International Congresses.

Conductometric titration is an analytical technique that consists of the addition, through a burette, of small equal amounts of titrant to the study system. It presents a lot of advantages in comparison with acid-based titration if the exchange capacity of polymeric materials needs to be determined: it reduces the time of the determination for at least six time depending on the material and the titrant used, it is not necessary to add an acid-based indicator so the system under study is not exposed to contamination and cannot influence the determination error due to the wide range of pH that the indicators present. The technician requires simple training to determine the final point because the technique only consists of adding the same amount of titrant to the system (polymeric material and deionized water) every specified period of time and register the conductivity of the solution. The sample of polymeric material does not need to be pre-treated (dissolved to make the determination) so this reduces the time of sample preparation, and the previous work to find the correct solvent or mixture of solvent for the system does not affect the results of the determination and the time needed to carry out this operation. Through the graphical representation of conductivity as a function of the volume of titrant added that consists of two straight lines that intersect at the equivalent point, it is possible to obtain the volume of titrant needed to complete the reaction proposed between the polymer and the titrant: exchange or neutralization.

Prof. Dr.-Ing. habil. Rainer Schenk, Ordinarius für Strömungsmechanik, i.R, Rosenberg 17, 06193, WETTIN-LÖBEJÜM, OT Wettin, Germany, ibswettin@web.de\r\n\r\nThe author earned his doctorate in 1968 at the Technical University Merseburg to Dr.-Ing. From 1968 to 1970 he graduated from the Academy of Sciences of the former USSR in Akademgorodok Novosibirsk with an additional degree in the field of \"Computational Fluid Dynamics\". In 1970 he was appointed professor for the field of theoretical fluid mechanics at the Merseburg University of Technology. Since 1972 he has been active in modeling the spread of air pollutants. In 1972, the author was appointed as a full member in the main research direction \"air pollution control\" at the Academy of Sciences of the former GDR. In 1978, he was appointed Head of Environmental Monitoring at the Center for Environmental Design in Wittenberg.There, local environmental scenarios were analyzed and cross-border pollutant transport calculated. In 1982, the author habilitated under the direction of the ordinary members of the Academies of Sciences of the USSR and the former GDR Prof. Janenko and Prof. Albring a the Technical University of Dresden. He will later be appointed full professor of fluid mechanics at the Technische Hochschule Zittau, Germany. There he develops a generalized propagation model based on MAXWELL\'s molecular theory, which was later developed, for example, into a propagation model for heavy gases and vapors. From 1994 to 2014, the author was honorary professor at the Dresden University of Technology, Internationales Hochschulinstitut Zittau. In the years from 2014 to the present, the author deals in depth with the validity of the propagation model for air pollutants AUSTAL2000, which has been financially supported since 1984 by the Federal Environment Agency Germany and declared as binding in 1992 for all applications in the Federal Republic of Germany has been. The author was able to show that all reference solutions of this propagation model are faulty and not suitable for applications. The authors of the AUSTAL calculate deceptively soil concentrations and disguise their ignorance in the field of mathematics and mechanics\r\n

By the authors, JANICKE (2000, 2002), Germany, for the calculation of the propagation of air pollutants under the designation AUSTAL2000 a \"Model-based assessment system for the plant-related pollution control\" is developed. This propagation model is declared binding in the Federal Republic of Germany for the application. All other model developers have to validate their algorithms on the provided reference solutions. However, for example, SCHENK (2015-1, SCHENK-2, 2017), Germany, demonstrates that these reference solutions are flawed. Principal and conservation laws are violated. In various publications and other statements by TRUKENMÃœLLER (2015, 2016, 2017), Umweltbundesamt Deutschland, the objections raised by SCHENK (2015-1, SCHENK-2, 2017), Germany, are denied and it is vehemently disputed. This article analyzes the causes of this maldevelopment further. It turns out that the life story of the propagation model AUSTAL2000 according to Axenfeld et al. (1984) begins with the preposterous notion that deposition is not conservation but loss. The second life story is described by the authors of the AUSTAL2000 itself. It arrogantly occupies mathematical and physical incomprehension as an expertise in the field of modeling the spread of air pollutants. The incorrect and correct reference solutions are compared.

Shweta Sareen has her expertise in the designing and synthesis of mesoporous silica-based nanomaterials. She has developed a strong knowledge in the fabrication of morphologically and dimensionally controlled anisotropic metal nanoparticles viz., nanorods, nanowires and nanotubes of coinage metals and investigation of the relation between their various physicochemical and catalytic properties. She has a good exposure of various characterization and analytical techniques. Presently, she is working as a Post Doc Fellow under the National Post Doc Fellowship Scheme awarded by the Science and Engineering Research Board.

Mesoporous silica materials have always represented an exceptional dominance in the field of material synthesis owing to the exploitation of their superior surface properties. Consequently, they have earned wider applicability in various fields ranging from catalysis, adsorption, nano-casting, chromatography, and medicine. Different approaches have been developed to synthesize mesostructured silica materials using chemical sources like silicon alkoxide (silicon tetraethoxysilane) as the typical silicon source and expensive structure directing agents. However, in response to the growing environmental concern, sustainability issues associated with the silica precursors, harsh synthetic conditions and the high cost of its production limit their manufacture at an industrial scale. Moreover, the structuring agents (surfactants) used in the synthesis process, being non-biodegradable are generally lost during the last step of mesoporous silica synthesis. So, there has been an emergent need to develop more environment-friendly and sustainable procedures for synthesizing mesoporous silica nanostructures. Keeping in view the credentials of green chemistry, nowadays ordered mesoporous silica (OMS) materials have been synthesized from industrial wastes like coal fly ash used as the silica source and surfactants derived from renewable sources. It not only makes the entire synthesis process cost-effective which is the emergent need for material synthesis but caters to deal with the problem of waste disposal associated with the coal power plants. Since the synthesized silica materials are efficient adsorbents so they can be effectively utilized for the treatment of wastewater discharged into the environment as industrial waste that contains toxic organic and inorganic chemicals and causes serious soil and water pollution. In this regard, the current work discusses the greener and sustainable synthesis of mesoporous silica nanostructures and employing their use for wastewater treatment.

Ezeddine H. Hamida graduated with B.Sc. degree in Physics from Tripoli University (Libya) in 1996, in 2010 completed his M.Sc. in Radiation and Environmental Protection (REP) at University of Surrey (UK). He is a Professor of physics and fluid mechanics since 2001 for PTQI (Petroleum Training and Qualifying Institute-Tripoli-Libya), a Co-operator Professor of nuclear physics for some Libyan Universities since 2011, and approved Lecturer in NORM (Naturally Occurring Radioactive Material) field. He has presented more than 5 scientific papers in NORM area in local and international scientific conferences, some of these papers were published in local and global scientific journals , he has been translated some international publications about NORM to Arabic, he has published more than 7 scientific articles in the scientific bulletin “The Atom and Development” which issue by AAEA (Arabic Atomic Energy Agency) since 2016. He presented scientific papers in some 2018 scientific conferences: Benghazi International Conference and Exhibition of Oil and Gas Benghazi-Libya, 2-3 October 2018. 14th Arab Conference on the Peaceful Uses of Atomic Energy, Sharm El-Sheikh, Arab Republic of Egypt, 16-20 December 2018, he will participate as organizing committee member in WCEOGPE-2019.

In this study, 8 samples were collected from surface wells, their depths ranging from 20m to 80m, and two surface samples for comparison, from some of the southwestern and western suburbs of the Libyan capital \"Tripoli\" in order to assess their radioactivity, and estimate the radon dose that digging workers can be received. Where, initially all the indicators were indicated that the surface depths of 80m-20m do not contain worthwhile radioactivity or different from the normal activity rates of the surface soil, but what drew attention, however, was the reverse migration of the phosphate\'s NORM of the farmland from the surface to depth.

M. A. Martin Luengo, graduated in chemistry at the Autonoma University of Madrid (UAM, Spain). In the Consejo Superior de Investigaciones Científicas (CSIC, Spain), she presented her Master work on oxidation catalysts and her phD on palladium supported catalysts, both with honours and the highest qualification. As a postdoctoral grant holder of the CSIC she worked in catalysts characterization in the University of Brunel in England and then in the University of Louvain la Neuve in Belgium. Afterwards she was granted a Fellowship IA to work with the Scientific Engineering Research Council of England on Fischer Tropsch processes towards preparation of fuels from synthesis gas. In 1992 she gained a permanent position of Research Scientist in the CSIC of Spain, where she has been working since. She has more than 110 publications and has been involved in over 120 congresses, has several patents and is a member of several scientific societies, i.e. Chartered Chemist of the Royal Society of Chemistry, American Chemical Society, Royal Spanish Society of Catalysis and Spanish society of Clay. She is currently preparing several papers and book chapters on request and has been kindly invited as Scientific Committee Member for several Congresses.

Green chemistry premises have promoted since 1991 the need for new chemical products, materials and processes to reduce hazards, using sustainable resources and reducing the release of greenhouse gas emissions (GGE). According to J. Jones (https://blog.epa.gov/blog/2014/04/climate-change-and-green-chemistry-technologies/) more than 20 billion gallons of water and ca. 8 billion pounds of CO2 dioxide releases are avoided each year due to green chemistry innovations, i.e. cold water detergents, house paints that reduce harmful emissions and water, plastics prepared with CO2 that decrease the use of petroleum resources, etc. The projects developed in our group have helped companies to convert their wastes into materials and/or substances useful for themselves or others, closing cycles of obvious benefits, avoiding the use of toxic substances and achieving maximum reduction of energy expenditure, i.e. by using renewable ways of activation. Some examples are the conversion of liquid wastes to fine chemicals and biohydrogen, catalysts for environmental protection and/or for own wastes valorization, biomaterials for regenerative medicine, immobilization of enzymes for biocatalytic processes or cleaner detergents.