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Studies on Indian Ocean Manganese Nodules: I. Physicochemical Characteristics and Catalytic Activity of Ferromanganese Nodules

โœ Scribed by Kulamani Parida; Pramoda Kumar Satapathy; Akshaya Kumar Sahoo; Nigamananda Das


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
316 KB
Volume
173
Category
Article
ISSN
0021-9797

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๐Ÿ“œ SIMILAR VOLUMES


Studies on Indian Ocean Manganese Nodule
โœ K.M. Parida; A.K. Sahoo; N.N. Das ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 139 KB

A series of rare earth oxide mixed manganese nodules (perovskite type mixed oxides) have been prepared by coprecipitation method followed by calcination at 900ยฐC and characterized by different techniques. The effect of rare earth ions on the surface, textural and catalytic activity for the oxidation

Studies on Indian Ocean Manganese Nodule
โœ K.M. Parida; A. Samal; N.N. Das ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 102 KB

extensively studied and the results are well documented in The oxidation of thiols to corresponding disulfides by Indian the literature ( 16). However, their oxidizing ability and cata-Ocean ferromanganese nodules has been studied under varying lytic activity for organic reactions have been sparsely

Studies on Indian Ocean Manganese Nodule
โœ K.M. Parida; S. Mohanty ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 152 KB

45 mm) were dried at 110ะŠC for 8 h and stored in a Adsorption of aqueous phosphate on Indian Ocean manganese desiccator over fused CaCl 2 for further use in characterizanodules was studied as a function of time, pH, and concentrations tion and adsorption studies. ## of adsorbate and adsorbent in ac

Studies on Indian Ocean Manganese Nodule
โœ K.M. Parida; A.K. Sahoo; N.N. Das ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 144 KB

ร‡400ะŠC (8)(9)(10)(11). A number of attempts have been made to The promoting effect of Ag 2 O on the physicochemical properties modify the surface properties and catalytic activity of the and catalytic activity of manganese nodules has been investigated. nodules (10, 12, 13); for example, incorporati

Studies on Indian Ocean Manganese Nodule
โœ Kulamani Parida; Pramoda Kumar Satapathy ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 105 KB

In order to activate the naturally occurring material, sam-The effects of acetic acid treatment on the physicochemical ples 075/45 mm were treated with various concentrations properties and catalytic activity of manganese nodules have been (0.1 to 1 M) of acetic acid. About 10 g of the sample was st

Studies on Indian Ocean Manganese Nodule
โœ K.M. Parida; P.K. Satapathy ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 64 KB

The effects of alkali (sodium hydroxide) treatment on the physico-chemical properties and catalytic activity for H 2 O 2 decomposition and CO oxidation of Indian Ocean manganese nodules have been studied. The surface area, surface oxygen, surface hydroxyl groups, etc. increase with alkali treatment