Search Results - "Afonso D. Macheca"

Perspectives on Plastic Waste Management: Challenges and Possible Solutions to Ensure Its Sustainable Use by Macheca, Afonso D., Mutuma, Bridget, Adalima, José L., Midheme, Emmanuel, Lúcas, Luís H. M., Ochanda, Valentine K., Mhlanga, Sabelo Dalton

“…The pollution of the environment by plastics is a global problem that is real and needs to be resolved urgently. The authors argue that banning the use of…”
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Development and Characterization of Na2CO3-Activated Mozambican Bentonite: Prediction of Optimal Activation Conditions Using Statistical Design Modeling by Afonso D. Macheca, António B. Mapossa, António J. Cumbane, Asmina E. Sulemane, Shepherd M. Tichapondwa

“…A calcium bentonite clay from Boane region (Mozambique) was subjected to an Na2CO3 activation process. The methylene blue test together with energy-dispersive…”
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Application of Nanotechnology in Oil and Gas Industry: Synthesis and Characterization of Vermiculite-Based Nano-adsorbent and its Application in Produced Water Treatment by Afonso D. Macheca, Bonaventure Uwiragiye

“…Vermiculite-based nano-adsorbent was successfully prepared via solution casting method from vermiculite that was first exfoliated by thermal shock followed by…”
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Application of Nanotechnology in Oil and Gas Industry: Synthesis and Characterization of Organo-modified Bentonite from Boane Deposit and its Application in Produced Water Treatment by Afonso D. Macheca, Bonaventure Uwiragiye

“…Ca-bentonite sample from Boane region, Maputo Province, Mozambique exhibiting a white colour was organo-modified and subsequently evaluated for uses as an…”
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Flame retarding polyamide 11 with exfoliated vermiculite nanoflakes by Macheca, Afonso D., Focke, Walter W., Kaci, Mustapha, Panampilly, Bindu, Androsch, René

“…Polyamide 11‐based bionanocomposites were prepared by melt compounding with 10 wt% clays of different chemistry and morphology. This included vermiculite…”
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Stiffening mechanisms in vermiculite–amorphous polyamide bio-nanocomposites by Macheca, Afonso D., Focke, Walter W., Muiambo, Herminio F., Kaci, Mustapha

“…[Display omitted] •Polyamide–vermiculite bio-nanocomposites prepared by a solution method.•NH4-modified vermiculite dispersion mixed with polyamide solution in…”
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The Use of Mozambican Bentonite in Edible Oil Refining: Characterization, Acid Activation and Performance Evaluation by Alfeu S. Malai, Afonso D. Macheca, António J. Cumbane

“…The suitability of acid-activated Mozambican white bentonite from Boane district as oil bleaching agent was investigated. The focus was given on the…”
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