ARACELIS DEL CARMEN NARAYAN RAJNAUTH (0718-BF26-6FBE)

Curriculum Vitae

ARACELIS DEL CARMEN NARAYAN RAJNAUTH

ARACELIS DEL CARMEN NARAYAN RAJNAUTH. Atua na(s) área(s) de Ciências Naturais com ênfase em Ciências Biológicas com ênfase em Limnologia, Ciências Agrárias com ênfase em Agricultura, Silvicultura e Pescas com ênfase em Ciência dos Solos, Ciências da Engenharia e Tecnologias com ênfase em Biotecnologia Ambiental, Ciências da Engenharia e Tecnologias com ênfase em Engenharia do Ambiente com ênfase em Minas e Processos Minerais, Ciências Exatas com ênfase em Química com ênfase em Química Inorgânica e Ciências Naturais com ênfase em Ciências da Terra e do Ambiente com ênfase em Ciências do Ambiente.

Identification

Personal identification

Full name: ARACELIS DEL CARMEN NARAYAN RAJNAUTH

Citation names

NARAYAN, ARACELIS

Author identifiers

Ciência ID: 0718-BF26-6FBE
ORCID iD: 0000-0002-2513-9637

Knowledge fields

Natural sciences - Biological Sciences - Limnology
Agrarian Sciences - Agriculture, Forestry and Fisheries - Soil Science
Engineering and Technology - Environmental Biotechnology
Engineering and Technology - Environmental Engineering - Mining and Mineral Processing
Exact Sciences - Chemical Sciences - Inorganic Chemistry
Natural sciences - Earth and Environmental Sciences - Environmental Sciences

Languages

Language	Speaking	Reading	Writing	Listening
Spanish; Castilian	Advanced (C1)	Advanced (C1)	Advanced (C1)	Advanced (C1)
English	Advanced (C1)	Advanced (C1)	Advanced (C1)	Advanced (C1)
Portuguese	Beginner (A1)	Intermediate (B1)	Intermediate (B1)	Beginner (A1)

Education

	Degree	Classification
2020/02/20 - 2023/02/20 Ongoing	Doutoramento em Geociências (Curso de Especialização Tecnológica) Major in Geoquimica e Ecotoxicologia Universidade do Porto Faculdade de Ciências, Portugal
2007 Concluded	MESTRADO EM CIENCIAS AMBIENTAIS. MENCÃO ECOLOGIA APLICADA (Mestrado) Major in PTE´s en sedimentos e vegetação Universidad Nacional Experimental de Guayana, Venezuela "CARACTERIZACION DE ALUMINIO, HIERRO, MANGANESO, CROMO, COBRE Y PLOMO EN SEDIMENTOS DE FONDO DE TRES LAGUNAS DE LA PLANICIE DE INUNDACION DEL BAJO ORINOCO." (THESIS/DISSERTATION)	9,06/10
1996 Concluded	LICENCIATURA EM QUIMICA. MENCION TECNOLOGIA (Licenciatura) Universidad Central de Venezuela, Venezuela "Reactividad de ligandos heterocíclicos aminotiazoles frente a compuestos de osmio y rutenio" (THESIS/DISSERTATION)	13,1/20

Affiliation

Science

	Category Host institution	Employer
2012/01/01 - 2017/10/01	Science and Technology Management	CVG TECMIN, Venezuela
	CVG TECMIN, Venezuela

Teaching in Higher Education

	Category Host institution	Employer
2010/03/01 - 2016/12/01	Lecturer (University Teacher)	Universidad Nacional Experimental de Guayana, Venezuela
	Universidad Nacional Experimental de Guayana, Venezuela
2003/05/01 - 2005/03/01	Assistant (University Teacher)	Universidad Nacional Experimental de Guayana, Venezuela
	Universidad Nacional Experimental de Guayana, Venezuela
1997/10/01 - 1999/07/01	Invited Assistant Professor (University Teacher)	Universidad de Carabobo, Venezuela
	Fundacion Universidad de Carabobo, Venezuela

Other Careers

	Category Host institution	Employer
2020/05/01 - Current	Assistente Operacional (Assistente Operacional)	Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação, Portugal

Others

	Category Host institution	Employer
2018/01/01 - 2019/03/01	Technical Specialist, Recycling non-ferrous metals from e-waste	LEGENDA TRIUNFAL LTD, Portugal

2017/10/01 - 2017/12/01	Scientific Researcher Independent Portugal	Independent, United States

2010/10/01 - 2011/12/01	Responsible for the Environmental Indicators of the Bolivar State, Construction, formulation and implementation of Environmental Indicators for the State of Bolívar	Instituto Nacional de Estadística, Spain

2009/08/01 - 2011/12/01	Environmental Advisor, Environmental Auditor I, avicola farm for PDVSA, Explotation for limestone mine , water quality, air quality effluents, Management of hazardous and non-hazardous waste, monitori	CVG TECMIN, Venezuela

2007/06/01 - 2009/06/01	Monitoring and Environmental Performance, ISO: 14000 planning and coordination environmental monitoring, management tools, sanitary and industrial effluents, surface water, implementation, hazardous a	CONSORCIO OIV TOCOMA, Venezuela

2005/03/01 - 2007/06/01	Analyst II, Responsible for the Surface Water Monitoring and Effluent Programs of Environmental Impact Studies, Project Evaluation, Impacts, Measures, Supervision Plans, Environmental Monitoring. Imp	CVG TECMIN, Venezuela

Projects

Contract

	Designation	Funders
2021/02/20 - Current	SHS - Soil health surrounding former mining areas - CERENA NORTE-01-0145-FEDER-000056-SHS PhD Student Fellow Instituto de Ciências da Terra Polo do Universidade do Minho, Portugal Universidade do Porto Centro de Geologia, Portugal	Ongoing
2016/04/01 - 2017/07/31	Substitution of Hg in gold mining process for a friendly environment way 2016-2017 Principal investigator CVG TECMIN, Venezuela	Concluded
2015/07/01 - 2015/09/30	Water quality and ecological relationship of five freshwater systems associated with oil production in the Orinoco Oil Belt 2015 Researcher CVG TECMIN, Venezuela	Concluded
2015/03/01 - 2015/05/31	Hydrological studies for six freshwater systems in the Bloque Ayacucho, Orinoco Oil Belt 2015 Researcher CVG TECMIN, Venezuela	Concluded
2014/10/01 - 2015/01/31	Water quality and ecological relationship of freshwater system for the construction of electric line, Bloque Junin, Orinoco Oil Belt 2014-2015 Researcher CVG TECMIN, Venezuela	Concluded
2014/03/04 - 2014/07/01	Hydrological studies for six freshwater systems in the Bloque Junin, Orinoco Oil Belt 2014 Researcher CVG TECMIN, Venezuela	Concluded
2013/06/01 - 2013/11/30	Environmental Audit to SOSA MENDEZ ORE, El Callao, Edo Bolivar, Environmental Auditor for surface water quality, effluents, soils and sediments, Supervision Plan, Monitoring Program and Waste Management Program 2013-Sosa Mendez Technical development CVG TECMIN, Venezuela	Concluded
2013 - 2013	Heavy metals for freshwater, sediments and soil in a gold mining area 2013-Sosa Mendez-Analise Principal investigator	Concluded
2013 - 2013	Preparation of documents and environmental plans against spills in the production facilities of PDVSA E and P Faja Petrolífera del Orinoco, Ayacucho division. fronts 1 and 2. front 1 2013-pozos Researcher	Concluded
2012 - 2013	Study of Environmental and Sociocultural Impact Construction and Operation of the National Steel Plant "JOSE INACIO DE ABREU E LIMA", Coordinator. Formulation of the Waste Management Plan, Formulation of the Environmental Supervision Plan, Formulation of the Environmental Monitoring Plan. (2012-2013 2012-2013 Principal investigator CVG TECMIN, Venezuela	Concluded
2012 - 2012	Physics and chemical parameters, freshwater analyze in five ribers for environmental auditory 2012-TECMIN CVG TECMIN, Venezuela	Concluded
2011 - 2011	Environmental Audit and monitoring program of surface, underground waters, effluents and soils of mature oil fields: OFFICE, LIDO-LIMON, ADA located in El Tigre, Edo Anzoátegui 2011 Technical development
2010 - 2011	Development of Environmental Indicators for Bolivar State 2010-2011 INE Instituto Nacional de Estadistica Venezuela, Venezuela	Concluded
2010 - 2010	Hidrobolivar Compliance Environmental Audit. Industrial Aqueduct Extension 2010 Technical development	Concluded
2010 - 2010	PDVSA Environmental Education Program for the rural populations of Chaguaramas and Uverito, Campo Carabobo 2010 Researcher	Concluded
2010 - 2010	Water quality and ecological relationship for a freshwater system related to a Niquel Industry 2010-TECMIN Researcher CVG TECMIN, Venezuela	Concluded
2009 - 2009	Environmental Impact Study Exploration and exploitation of Mineral Limestone for the production of Cerro Azul Cement. Waste Management Plan. 2009-CVG TECMIN Technical development CVG TECMIN, Venezuela	Concluded
2009 - 2009	Management for residues and hazardous waste for Poultry Farms 2009-TECMIN PDVSA Technical development CVG TECMIN, Venezuela	Concluded
2009 - 2009	Water quality and ecological relationship for a river from the Guiana Shield associated with the construction of an aqueduct system 2009-CVG TECMIN-PIJIGUAOS Technical development CVG TECMIN, Venezuela	Concluded
2007 - 2009	Monitoring freshwater quality for two river systems associated with Tocoma dam construction 2007-OIV TOCOMA Principal investigator CONSORCIO OIV TOCOMA, Venezuela	Concluded
2007 - 2007	Hydrogeomorphology basement and functional sedimentology of the Corredor Ribereño from the Orinoco river 2007-UNEG Researcher Universidad Nacional Experimental de Guayana, Venezuela	Concluded
2006 - 2007	Environmental Impact Studies Third Bridge on the Orinoco River (ODEBRECHT). Water quality, air quality, waste, impacts, measures, monitoring program 2006-2007 TECMIN Technical development CVG TECMIN, Venezuela Odebrecht, Brazil	Concluded
2004 - 2007	Heavy metals in bottom sediments for three lagoons from the Orinoco floodplain 2004-2007 UNEG Master Student Fellow Universidad Nacional Experimental de Guayana, Venezuela	Concluded
2006 - 2006	Studies of Environmental Impact Extraction of Clay Material Caño Manamo (CVG). Surface water quality. 2006-TECMIN Technical development CVG TECMIN, Venezuela	Concluded
2006 - 2006	Environmental Impact Studies Corn Plant (La Quina). Water quality, solid waste, hazards waste, impacts, measures, monitoring program. 2006-TECMIN-QUINA Technical development CVG TECMIN, Venezuela
2006 - 2006	Management for residues and hazardous waste for aluminum reduction industry 2006-TECMIN-VENALUM Technical development CVG TECMIN, Venezuela	Concluded
2005 - 2005	Management for residues and hazardous waste for pulp and paper industry 2005-TECMIN Technical development
2004 - 2004	Physical and chemical characteristic of the Botanamo river 2004-UNEG-BOTANAMO Technical development Universidad Nacional Experimental de Guayana, Venezuela	Concluded
2004 - 2004	Soil, organic matter and leaf analyses for nutrients in The Imataca Forestry reserve, Guiana Shield 2004-UNEG-IMATACA Researcher Universidad Nacional Experimental de Guayana, Venezuela	Concluded
2004 - 2004	Aquatic macrophyte as biomonitoring for heavy metals in water and sediments 2004-UNEG-IVIC Master Student Fellow Universidad Nacional Experimental de Guayana, Venezuela Instituto Venezolano de Investigaciones Cientificas Centro de Ecología, Venezuela	Concluded
2004 - 2004	Environmental Impact Study Exploration and exploitation of Mineral Limestone for the production of Cerro Azul Cement. Water quality 2005-TECMIN-Planta de cemento Technical development CVG TECMIN, Venezuela	Concluded
2003 - 2003	Decomposition of leave and litter after the inundation of vegetation areas for the construction Caruachi dam 2003 Master Student Fellow Corporación Eléctrica Nacional, Venezuela Universidad Nacional Experimental de Guayana, Venezuela	Concluded
1995 - 1996	Osmium clusters derived from the reactions of [Os3(CO)10(CH3CN)2] with aminothiazole compounds; X-ray structures of [Os3(µ-H)(CO)10(µ-C8H7N2S)], [Os3(µ-H)(CO)9(µ3-?2-C3H5N2S)] and [Os3(µ-H)(CO)9(µ3-?2-C6H7ON2S)] 1996-UCV	Concluded

Other

	Designation	Funders
2018/01/23 - 2019/12/31	Management of electric and electronic residues (project). Metal extractions. Environmental policy for residues, water and air quality 2018-Mercurio Technical development LEGENDA TRIUNFAL LTD, Portugal	Ongoing

Outputs

Publications

Conference abstract	Costa, Mariana; Rajnauth, Aracelis; Ribeiro, Joana; Flores, Deolinda. Corresponding author: Costa, Mariana. "Estudo de resíduos mineiros de carvão afetados termicamente: Especificidades petrográficas e mineralógicas". Paper presented in XI Congresso Nacional de Geologia, Coimbra, 2023. Published Santos, Patrícia; Rajnauth, Aracelis; Espinha Marques, Jorge; Ribeiro, Joana; Flores, Deolinda. Corresponding author: Santos, Patrícia. "Caraterização ambiental dos solos da envolvente da escombreira da mina do Fojo ¿ complexo mineiro do Pejão". Paper presented in XI Congresso Nacional de Geologia, Coimbra, 2023. Published Costa, Mariana; Rajnauth, Aracelis; Santos, Patrícia; Ribeiro, Joana; Flores, Deolinda. "Petrographic and geochemical characterization of a coal waste pile affected byself-burning in the Douro Coalfield, Portugal". Paper presented in 73º Annual Meeting & Symposiumof the International Committee for Coal & Organic Petrology (ICCP 2022), Nova Deli, 2022. Published
Conference poster	Rajnauth, Aracelis; Diogo, Bárbara; Espinha Marques, Jorge; Flores, Deolinda; Sara Cristina Antunes; Jorge Espinha; Antunes, Sara C.. "Ecotoxicological effects of elutriates from coal mining waste in Lactuca sativa seed germination". Paper presented in II ToxRun International Congress, 2023, 2023.
Journal article	Aracelis Narayan; Iván Horacio Esteves; Militza Rodríguez; Judith Rosales. "Metal concentration in bottom sediments for a tropical river, geological or anthropogenic source?". Journal of South American Earth Sciences (2024): https://doi.org/10.1016/j.jsames.2024.105237. 10.1016/j.jsames.2024.105237 Narayan, Aracelis; Mac-Quhae, César; Rosales, Judith; Mora, Abrahan. "Does Alumina-Refining Waste Increase the Nutrient Level in Tropical Mesotrophic Floodplain Lakes?". Bulletin of Environmental Contamination and Toxicology 107 3 (2021): 506-513. http://dx.doi.org/10.1007/s00128-021-03279-4. 10.1007/s00128-021-03279-4 Narayan, Aracelis; Mora, Abrahan; Sánchez, Luzmila; Rosales, Judith. "Temporal and spatial variability of heavy metals in bottom sediments and the aquatic macrophyte Paspalum repens of the Orinoco River floodplain lagoons impacted by industrial activities". Environmental Science and Pollution Research (2020): http://dx.doi.org/10.1007/s11356-020-09623-1. 10.1007/s11356-020-09623-1 NARAYAN, ARACELIS. "El corredor ribereño del bajo río Orinoco, basamento hidrogeomorfológico y sedimentológico funcional". Revista COPÉRNICO 7 (2007):
Newspaper article	Espinha Marques, J., Narayan, A., Santos, P., Ribeiro, J., Antunes, S. C., Melo, A., ... & Mansilha, C. (2024). Hydroped. "Hydropedological Characterization of a Coal Mining Waste Deposition Area Affected by Self-Burning", 2024 10.3390/hydrology11050062 Narayan, A., Diogo, B. S., Mansilha, C., Espinha Marques, J., Flores, D., & Antunes, S. C. (2024). Assessment of ecotoxi. "Assessment of ecotoxicological effects of Fojo coal mine waste elutriate in aquatic species (Douro Coalfield, North Portugal)", 2024 10.3389/ftox.2024.1334169 Diogo, B. S., Narayan, A., Mansilha, C., Marques, J. E., Flores, D., & Antunes, S. C. (2023). Phytotoxicity of coal wast. "Phytotoxicity of coal waste elutriates (Douro Coalfield, North Portugal) in Lactuca sativa", Environmental Science and Pollution Research, 2023 10.1007/s11356-023-29868-w Narayan, A., & Rosales, J. (2023). Nutrient Release from Immersed Foliar Biomass during Caruachi Dam Reservoir Filling:. "Nutrient Release from Immersed Foliar Biomass during Caruachi Dam Reservoir Filling: Caroni River, Venezuela", Journal of Geoscience and Environment Protection, 2023, https://doi.org/10.4236/gep.2023.111003. 10.4236/gep.2023.111003 NARAYAN, ARACELIS. "D´Ornelas, L., Castrillo T., Hernandez L., Narayan A. y Atencio R. (2002). Osmiun closters derivate from the reaction of [Os3(CO)10(CH3CN)2] with aminothiazole compounds; X-ray structures of [Os3 (u-H) (CO)10 (u-C8H7N2S)], [Os3(u-H)(CO)9 (u3-n2-C3H5N2S)] and [Os3(u-H)(CO)9(u3-n2-C6H7ON2S)]. Inorgánica Chímica acta. 342. 1-8", Inorgánica Chímica acta. , 2003
Preprint	Aracelis Narayan; Alexandra Rosa; Manfred Kaufmann; Rui Caldeira. "The Oceanic Observatory of Madeira: A management and research infrastructure to support the sustainable development of marine coastal waters in the Blue Economy era". 2025. https://doi.org/10.5194/oos2025-1511. 10.5194/oos2025-1511

Activities

Oral presentation

	Presentation title	Event name Host (Event location)
2011	Construction of environmental indicators for Bolivar State.
2009	TOCOMA, New Hydroelectric dam. Environmental review
2006	Contamination for heavy metals in three lagoons fron the Orinoco river floodplain	I Congreso Internacional de Biodiversidad de la Guayana.
2004	Aquatic macrophyte as biomonitoring for heavy metals in water and sediments in the Orinoco river floodplain	XX JORNADAS CIENTÍFICAS, TECNOLÓGICAS Y EDUCATIVAS DE GUAYANA”
2004	Soil, organic matter and leaf analyses for nutrients in The Imataca Forestry reserve, Guiana Shield
2004	Hydrogeomorphology basement and functional sedimentology of the Corredor Ribereño from the Orinoco river
2003	Decomposition of leave and litter after the inundation of vegetation areas for the construction Caruachi dam
2003	Advance report: Study of heavy metals in floodplain at industrial areas and non-industrial areas
1996	Osmium clusters derived from the reactions of [Os3(CO)10(CH3CN)2] with aminothiazole compounds; X-ray structures of [Os3(µ-H)(CO)10(µ-C8H7N2S)], [Os3(µ-H)(CO)9(µ3-?2-C3H5N2S)] and [Os3(µ-H)(CO)9(µ3-?2-C6H7ON2S)]

Jury of academic degree

	Topic Role	Candidate name (Type of degree) Institution / Organization
2019	VARIABILIDAD ESPACIO-TEMPORAL EN LA CALIDAD DEL AGUA DEL EMBALSE MACAGUA , RIO CARONI, EDO BOLIVAR. Dinamica de poblaciones de microorganismos bioindicadores de contaminación fecal (Thesis) Arguer	Rosa Vasquez (Master) Universidad Nacional Experimental de Guayana, Venezuela

Association member

	Society Organization name	Role
2015 - Current	IBG-VENEZUELA	Membro fundador

Course / Discipline taught

	Academic session	Degree Subject (Type)	Institution / Organization
2013 - Current	Water and solid waste management
2012 - Current	Environmental management and Supervision plan

Mentoring / Tutoring

	Topic	Student name
2019 - Current	DIAGNOSTICO E IDENTIFICACION DE LOS FACTORES QUE PERTURBAN LA CALIDAD DEL AGUA. Caso de estudio: Laguna “EL PORVENIR”, Jardín Botánico del Orinoco, Ciudad Bolívar	Maglys de Rondon
2010 - 2011	EVALUACIÓN DE LOS SISTEMAS DE TRATAMIENTO DE EFLUENTES: Y SU AFECTACIÓN HACIA LOS MEDIOS NATURALES (Caso: PLANTAS INDUSTRIALES O.I.V- TOCOMA, Estado Bolivar, Venezuela)	Rina Figuera
2009 - 2009	CARACTERIZACION AMBIENTAL DE LOS CORREDORES VIALES CARRETERO Y FERROVIARIO COMO ESTRUCTURAS PRINCIPALES CONSTRUSTIVAS DE LA REPRESA MANUEL PIAR PROYECTO TOCOMA - ESTADO BOLÍVAR	Zulimar Gomez

Distinctions

Other distinction

2007	Menção Publicação Universidad Nacional Experimental de Guayana, Venezuela
1996	Menção Honorifica Universidad Central de Venezuela, Venezuela Abbott Laboratories CA, Venezuela