Effect of process parameters on electroless plating and nickel-ceramic composite membrane characteristics

Bulasara, Vijaya Kumar; Thakuria, Harjyoti; Uppaluri, R.; Purkait, Mihir Kumar

doi:10.1016/j.desal.2010.10.025

Cited by 80 publications

(32 citation statements)

References 19 publications

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“…Calcium carbonate decomposes at temperatures above 650˚C into calcium oxide and carbon dioxide [10,11]. On the other hand, sodium carbonate melts at temperatures above 800˚C and reacts with silica of kaolin to form sodium silicate and carbon dioxide [12,23]. The released carbon dioxide gas bubbles pass through the membrane, causing rearrangement of solid grains and thereby, imparting porous texture to it.…”

Section: Raw Materialsmentioning

confidence: 98%

Preparation of kaolin-based low-cost porous ceramic supports using different amounts of carbonates

Kaur

Bulasara

Gupta

2016

Desalination and Water Treatment

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A B S T R A C TFlat ceramic membrane supports were prepared using kaolin as the major constituent with varying amounts of carbonates and sintered at 900˚C. The prepared supports were subjected to SEM, XRD, and porosity tests. The supports prepared without using carbonates had the largest mean pore size with the lowest porosity. The porosity of membranes increased by increasing the amount of calcium carbonate. The supports prepared using calcium carbonate had wider pore size distribution on the surface than those prepared using sodium carbonate. Small amount (10%) of sodium carbonate acts as a pore modifier resulting in smaller mean pore size, while large amount (>20%) of sodium carbonate blocks the pores by forming a sodium silicate layer and results in nonporous support. Therefore, calcium carbonate should be preferred over sodium carbonate for preparing highly porous ceramic membranes.

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Section: Raw Materialsmentioning

confidence: 98%

Preparation of kaolin-based low-cost porous ceramic supports using different amounts of carbonates

Kaur

Bulasara

Gupta

2016

Desalination and Water Treatment

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“…(4)). The validity of this assumption was verified in our earlier work (Bulasara et al, 2011) by matching the thickness values evaluated using Eq. (4) with those observed in the cross-sectional SEM images.…”

Section: Film Thicknessmentioning

confidence: 92%

“…These supports were prepared using inorganic precursors such as kaolin (Al 2 S 2 O 5 (OH) 4 ), feldspar (KAlSiO 3 ), quartz (SiO 2 ), sodium carbonate (Na 2 CO 3 ), pyrophyllite (Al 2 Si 4 O 10 (OH) 2 ), boric acid (H 3 BO 3 ) and sodium metasilicate (Na 2 SiO 3 ·5H 2 O) by paste method and were sintered at a temperature of 900 • C for 4 h. A detailed procedure for preparation and characterization of the ceramic membrane support was presented in our previous article (Bulasara et al, 2011) and was not described here.…”

Section: Methodsmentioning

confidence: 99%

“…For all these cases as well, we did not find literature that present the combinatorial performance characteristics of the nickel plating baths. In recent times, we initiated the work related to nickelceramic composite membrane fabrication (Bulasara et al, 2011) and found that the characteristics of electroless plating process were strongly dependent on the process parameters such as metal ion concentration and bath loading. We also found that hypophosphite based electroless plating baths suffer severely from poor conversion profiles due to the existing mass transfer limitations.…”

Section: Introductionmentioning

confidence: 99%

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Combinatorial performance characteristics of agitated nickel hypophosphite electroless plating baths

Bulasara

Thakuria

Uppaluri

et al. 2011

Journal of Materials Processing Technology

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“…The objective of this experiment is to study the membrane support and membrane flow properties [7]. On pressing the start button in the home page of the LabVIEW calculation simulator we start with the experimental session.…”

Section: Flow Through Porous Mediamentioning

confidence: 99%

LabVIEW based e-learning portal for virtual mass transfer operations laboratory

Agarwal

Uppaluri

Verma

2012

CSIT

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This article, introduces the unique concept of virtual mass transfer laboratory, an exercise that has been developed by IIT Guwahati under the auspices of Ministry of Human Resource and Development (MHRD) under National Mission on Education through ICT. The virtual mass transfer laboratory constitutes eight distinct virtual laboratory modules that cover various aspects of mass transfer operations, a key subject in chemical engineering education and practice. While all modules are simulation based, in addition to the most essential virtual lab simulator, the virtual laboratory modules essentially include all aspects of virtual laboratory education namely theory, experimental procedure, animation, quizzes etc. The virtual laboratory environment enabled an improved learning of chemical engineering, as learning is often better achieved by practice and repeated experimentation/observation in real world scenarios. Further, field trails and user friendly workshops have also been organized to obtain real time feedback and these have been extremely beneficial to improve the quality of the technical content as well as e-learning in the virtual mass transfer laboratories. Thereby a framework to explore possibilities to further creative component in chemical engineering has been developed.

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Effect of process parameters on electroless plating and nickel-ceramic composite membrane characteristics

Cited by 80 publications

References 19 publications

Preparation of kaolin-based low-cost porous ceramic supports using different amounts of carbonates

Preparation of kaolin-based low-cost porous ceramic supports using different amounts of carbonates

Combinatorial performance characteristics of agitated nickel hypophosphite electroless plating baths

LabVIEW based e-learning portal for virtual mass transfer operations laboratory

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