Search Results - "Moraes, Dorsan"

New sodium activated vermiculite process. Testing on Cu2+ removal from tailing dam waters by Moraes, Dorsan S., Rodrigues, Elizabeth M.S., Lamarão, Cláudio N., Marques, Gisele T., Rente, Augusto F.S.

“…•A new sodium activated vermiculite was successful produced.•Two to the one-layer hydrate transition play a major role on Na activation process.•High thermal…”
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Joint synthesis of Zeolite A-LDH from mineral industry waste by da Silva, Liliane Nogueira, Moraes, Dorsan dos Santos, Santos, Suzianny Cristina Arimatéa, Corrêa, José Augusto Martins

“…This study evaluated the use of waste from the copper concentration process and kaolin processing for the combined synthesis of Zeolite A and layered double…”
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Functionalization of Bentonite and Vermiculite after the Creation of Structural Defects through an Acid Leaching Process by Moraes, Dorsan, Miranda, Lucas, Angélica, Rômulo, Rocha Filho, Geraldo, Zamian, José

“…The synthesis and use of functionalized materials is growing every year. Thus, this work presents a methodology for the functionalization of bentonite and…”
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Provenance of heavy and clay minerals in bottom sediments of Green Lake, an Amazonian fluvial lake in Brazil by MENDES, Anderson C., DANTAS, Ângela B., RIBEIRO, Anne Caroline S., SANTOS, Livaldo O., MENDES, Kamilla C., MORAES, Dorsan dos Santos, ALMEIDA, Rodolfo M.

“…ABSTRACT Studies on provenance of minerals in Amazonian rivers focus mostly on suspended sediments, while processes that control bottom-sediment production and…”
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New sodium activated vermiculite process. Testing on Cu 2+ removal from tailing dam waters by Moraes, Dorsan S, Rodrigues, Elizabeth M S, Lamarão, Cláudio N, Marques, Gisele T, Rente, Augusto F S

“…New sodium activated vermiculite was used as Cu adsorbent on water simulating the composition of tailing dam of a copper mine in the north region of Brazil…”
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Characterization and Distribution of Pyrogenic Carbon in a Fraction of Archaeological Black Earth from Caxiuanã by Moraes, Milena Carvalho, Lemos, Vanda Porpino, Moraes, Dorsan Santos, Lamarão, Cláudio Nery

“…This study aims to determine the atomic ratio of O/C in an archaeological black earth (ABE) profile of the Ilha de Terra site, a region of Caxiuanã in the Pará…”
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Mineralogy and chemistry of a new bentonite occurrence in the eastern Amazon region, northern Brazil by Moraes, D.S., Angélica, R.S., Costa, C.E.F., Rocha Filho, G.N., Zamian, J.R.

“…The Brazilian production of bentonite is approximately 300,000 t/year, with more than 88% of this production concentrated in small deposits located in the…”
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Síntese de éster de cadeia longa via catálise básica heterogênea by Moraes, Dorsan dos Santos, Da Rocha Filho, Geraldo Narcioso, Zamian, José Roberto

“…Um éster de cadeia longa foi sintetizado pela transesterificação do palmitato de metila com álcoois de cadeia longa usando óxido de magnésio como catalisador…”
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Síntese de éster de cadeia longa via catálise básica heterogênea (Synthesis of long chain ester by heterogeneous base catalysis) by Dorsan dos Santos Moraes, G. N. R. Filho, José Roberto Zamian

“…A long chain ester was prepared by transesterification of methyl palmitate with long chain alcohol using magnesium oxide as catalyst prepared by thermal…”
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