• Nenhum resultado encontrado

PROCESSING OF SPENT ZINC-MnO2 DRY CELLS IN VARIOUS ACIDIC MEDIA Vinício Francisco Ibiapina

N/A
N/A
Protected

Academic year: 2019

Share "PROCESSING OF SPENT ZINC-MnO2 DRY CELLS IN VARIOUS ACIDIC MEDIA Vinício Francisco Ibiapina"

Copied!
8
0
0

Texto

Loading

Imagem

Table 1 presents the average composition of the solid after milling  and drying the active components of spent zinc-MnO 2  dry cells
Figure 1. XRPD patterns of the insoluble residue in water after leaching  with HCOOH + H 2 O (A), HF + H 2 O 2  (B) and H 2 SO 4  + H 2 O 2  (C) followed by  calcination at 600  o C for 3 h
Figure 3. Graph of log D as a function of log [D2EHPA] for Zn(II) extraction  in the pH of the leachates (one stage, A/O = 1 v/v, 25  o C)
Figure 7. XRPD patterns of the solids recovered after slow evaporation of the  final solution
+2

Referências

Documentos relacionados

Nessa última, fornecendo estática ao órgão, observa-se, o ligamento suspensor que liga o baço ao diafragma e o ligamento gastrolienal, que fixa o órgão à

The results of the data analysis of variance showed effects of the application of zinc doses on the yield of dry grains, leaf zinc content, grain zinc content, and grain crude

The immune response in young broilers supplemented with different levels of zinc oxide and zinc-methionine was evaluated and showed no effects of zinc level or source on the levels

The objective of this research was to determine the influence of zinc, manganese and copper on shoot dry matter yield and uptake of macro and mi- cronutrients in upland rice,

The objective of this study was to evaluate the effects of aluminum (Al) on the zinc (Zn), manganese (Mn), iron (Fe) and copper (Cu) concentrations in four potato clones (Macaca

A ocorrência de sintomas de ansiedade entre os entrevistados foi 50%, sendo que entre estes 52,7% são do sexo feminino, sendo que esta grande frequência de sintomas relatados

Abstract – The objective of this work was to evaluate the effects of zinc concentration in acidified brine and of pasteurization time on the zinc content, color, and

SEPARATION OF ZINC FROM MANGANESE BY SOLVENT EXTRACTION FROM ACIDIC LEACHATES OF SPENT ZINC-MnO 2 DRY CELLS USING NEUTRAL ORGANOPHOSPHORUS EXTRACTANTS.. Vinício Francisco Ibiapina a