Search Results - "Leite, Valderi D"

Conversion of “Waste Plastic” into Photocatalytic Nanofoams for Environmental Remediation by de Assis, Geovania C, Skovroinski, Euzébio, Leite, Valderi D, Rodrigues, Marcelo O, Galembeck, André, Alves, Mary C.F, Eastoe, Julian, de Oliveira, Rodrigo J

“…Plastic debris is a major environmental concern, and to find effective ways to reuse polystyrene (PS) presents major challenges. Here, it is demonstrated that…”
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Fenton treatment of sanitary landfill leachate: optimization of operational parameters, characterization of sludge and toxicology by Dantas, Edilma R. B., Silva, Edlamara J., Lopes, Wilton S., do Nascimento, Marcelo R., Leite, Valderi D., de Sousa, José T.

“…This investigation aimed to refine the operational parameters of the Fenton process, to compare Fenton-treated and non-treated leachate with respect to…”
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Kinetic Modeling of Anaerobic Co-Digestion Of Plant Solid Waste with Sewage Sludge: Synergistic Influences of Total Solids and Substrate Particle Size in Biogas Generation by Leite, Valderi D., Ramos, Railson O., Lopes, Wilton S., de Araújo, Mário César Ugulino, de Almeida, Valber Elias, da Silva Oliveira, Nadja Maria, Viriato, Crislanne Lemos

“…Anaerobic co-digestion is a complex process; therefore, understanding the factors related to kinetics is a prerequisite for optimizing biogas production. In…”
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Kinetic models describing the hydrolytic stage of the anaerobic co-digestion of solid vegetable waste and anaerobic sewage sludge by Leite, Valderi D., Ramos, Railson O., Silva, Paula M. U., Lopes, Wilton S., Sousa, José T.

“…The hydrolysis of carbonaceous and nitrogenous materials in the anaerobic co-digestion process of solid vegetable waste and anaerobic sewage sludge (ASS) was…”
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Ammoniacal Nitrogen Stripping From Landfill Leachate at Open Horizontal Flow Reactors by Leite, Valderi D., Paredes, Juliana M.R., de Sousa, Tales A.T., Lopes, Wilton S., de Sousa, José T.

“…The ammonia nitrogen stripping process at open horizontal flow reactors was evaluated and is described in this paper. The ammonia came from landfill leachate…”
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Removal of Microcystin-LR from Drinking Water Using a System Involving Oxidation and Adsorption by Lopes, Wilton S., Buriti, Josué S., Cebalos, Beatriz S. O., Sousa, José T., Leite, Valderi D., Vieira, Fernando F.

“…The aim of the present study was to evaluate the efficiency of removal of microcystin-LR from drinking water using a three-stage bench-scale treatment…”
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INFLUENCE OF GRANULOMETRY ON THE AEROBIC COMPOSTING PROCESS OF VEGETABLE SOLID WASTE by Leite, Valderi D, da Silva, Renata L M, Albuquerque, Maria Virgínia Da C, de Oliveira, Elaine G, Dantas, Gabriely D, Costa, Evelyne Morgana F

“…The efficiency of the composting process depends on the action and interactions of the microorganisms, which are dependent on favorable conditions, such as…”
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Performance of Anaerobic Hybrid Reactor with Post-Treatment in Intermittent Flow Sand Filter: a Sulfide-Oxidizing Bioprocess for the Treatment of Sanitary Sewage Using Nitrate as Electron Acceptor by Cabral, Luciana L. B., Sousa, José T., Lopes, Wilton S., Leite, Valderi D., Barbosa, Rodrigo A.

“…The aim of the study was to evaluate the oxidation of sulfides using nitrate as an electron acceptor in an anaerobic hybrid reactor (AHR) connected to an…”
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Ammonia nitrogen desorption from sanitary landfill leachate in filling towers by Leite, Valderi D., Barros, Aldre J. M., Lopes, Wilton S., Sousa, José T. de

“…Sanitary landfill leachates present high concentrations of carbonaceous and nitrogenous materials. The crucial point is that carbonaceous materials are of…”
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Degradation of indigo carmine by photo-Fenton, Fenton, H2O2/UV-C and direct UV-C: Comparison of pathways, products and kinetics by Ramos, Railson O., Albuquerque, Maria V.C., Lopes, Wilton S., Sousa, José T., Leite, Valderi D.

“…[Display omitted] •Four advanced organic processes were used in the degradation of indigo carmine.•Degradation efficiency increased in the order…”
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Pathways, by-products, reaction intermediates, and kinetics study of degradation of profenofos via photo-assisted peroxidation by Ramos, Railson O., Albuquerque, Maria V.C., da Silva, Suelly F., Lyra, Wellington S., Araújo, Mário César U., de Sousa, José T., Leite, Valderi D., Lopes, Wilton S.

“…This article presents, in detail, the paths and mechanisms, main by-products, and a kinetic study of the oxidation of profenofos (PFF) by HO• radicals…”
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BIOLOGICAL TREATMENT CONJUGATED OF LANDFILL LEACHATE AND WASTEWATER by Tavares, Gabriely D D, Costa, Evelyne M F, de Amorim, Jefferson S, Leite, Valderi D

“…Landfill leachate is a liquid waste with high concentrations of organic and inorganic matter, recalcitrant compounds, ammoniacal nitrogen, among other…”
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Ammoniacal Nitrogen Stripping From Landfill Leachate at Open Horizontal Flow Reactors: Leite et al by Leite, Valderi D., Paredes, Juliana M.R., de Sousa, Tales A.T., Lopes, Wilton S., de Sousa, José T.

“…The ammonia nitrogen stripping process at open horizontal flow reactors was evaluated and is described in this paper. The ammonia came from landfill leachate…”
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STUDY ON AMMONIA STRIPPING PROCESS OF LEACHATE FROM THE PACKED TOWERS by Leite, Valderi D, Prasad, Shiva, Lopes, Wilton S, de Sousa, José T, Barros, Aldre J M

“…About 245 thousand tones of municipal solid waste are collected daily in Brazil. Nearly 32 thousand tones of the collected amount are treated in sanitary…”
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Electrometric investigations on formation of lanthanum molybdates as a function of Ph by Prasad, Shiva, Leite, Valderí D., Santana, Renato A.C. de, Brito, Joelma B.

“…The precise nature of the reaction between lanthanum nitrate and sodium molybdate at specific pH levels 7.6, 5.5 and 4.1 has been studied by means of…”
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Formation of nickel vanadates as a function of pH by Prasad, Shiva, Leite, Valderí D., Santana, Renato A. C., Moura, Elisângela da S., A. Neto, Ambrósio F., Souza, Antonio G.

“…The precise nature of the reaction between hydrochloric acid and sodium ortho-vanadate solution has been studied by means of electrometric techniques involving…”
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Electroanalytical investigations on formation of thallium(I) molybdates as a function of pH by Prasad, Shiva, Brito, André L.F., Leite, Valderí D., Souza, Antônio G.

“…The formation of thallium(I) molybdates obtained by interaction of thallium(I) nitrate and sodium molybdate at specific pH levels 7.6, 5.5 and 4.1 has been…”
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Tratamento anaeróbio de resíduos orgânicos com baixa concentração de sólidos by Luna, Maria L. D. de, Leite, Valderi D., Lopes, Wilton S., Sousa, José T. de, Silva, Salomão A.

“…Este trabalho foi realizado com o objetivo de avaliar o desempenho de reator anaeróbio compartimentado no tratamento de resíduos sólidos orgânicos com baixa…”
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Tratamento anaeróbio de resíduos orgânicos com baixa concentração de sólidos Anaerobic treatment of organic wastes with low concentration of solids by Maria L. D. de Luna, Valderi D. Leite, Wilton S. Lopes, José T. de Sousa, Salomão A. Silva

“…Este trabalho foi realizado com o objetivo de avaliar o desempenho de reator anaeróbio compartimentado no tratamento de resíduos sólidos orgânicos com baixa…”
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Investigations on the Formation of Copper Polyvanadates as a Function of pH by Prasad, Shiva, Brito, André L. F., Muniz, Ana C. S., Leite, Valderí D.

“…The formation and composition of copper vanadates obtained by the interaction of copper sulfate with different sodium vanadates (ortho, pyro, meta and poly)…”
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