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Onyango, Maurice S. | Adsorption.

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Date: 2020/04/27
Language: en
Type: Text
Identifier: tut:6176
Description: Water quality degradation due to noxious heavy metals has become a serious concern because of its impact on human health and the ecosystem. In this study, cellulose nanocrystal (CNC) derived from sawd ... More
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Date: 2018/04/09
Language: en
Type: Text
Identifier: tut:6237
Description: In the present study, a new composite adsorbent, chitosan/bentonite/manganese oxide (CBMnO) beads, cross-linked with tetraethyl-ortho-silicate (TEOS) was applied in a fixed-bed column for the removal ... More
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Date: 2017/01/01
Language: en
Type: Text
Identifier: tut:6230
Description: Polythiophene/graphene oxide (PTh/GO) nanocomposite (NC) was prepared through polymerisation of thiophene in the presence of GO and was used for mercury ions (Hg2þ) adsorption in aqueous solutions. Eq ... More
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Date: 2015/08/01
Language: en
Type: Text
Identifier: tut:6300
Description: Magnetic natural zeolite-polypyrrole composite was prepared for removal of vanadium from aqueous solution. The effects of initial pH, sorbent dosage, adsorption isotherms on removal efficiency were in ... More
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Date: 2014/12/29
Language: en
Type: Text
Identifier: tut:5043
Description: Magnetic natural zeolite-polypyrrole (MZ-PPy) composite was prepared for enhanced removal of hexavalent chromium [Cr(VI)] from aqueous solution. The structure and morphology of the prepared adsorbent ... More
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Date: 2014/09/11
Language: en
Type: Type
Identifier: tut:6281
Description: Acid mine drainage (AMD) treatment remains a virgin area for extensive research owing to the limitations of the existing and proposed AMDtreatment technologies. Hence, the current study aims to apply ... More
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Date: 2013/09/28
Language: en
Type: Text
Identifier: tut:6254
Description: Fixed bed adsorption column studies were carried out to assess the breakthrough performance of the polypyrrole-organically modified montmorillonite clay (PPy-OMMT NC) for removal of toxic Cr(VI) from ... More
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Date: 2013/02/25
Language: en
Type: Text
Identifier: tut:6123
Description: The adsorption ofCr(VI)using polypyrrole/Fe 3O4 nanocomposite adsorbent was investigated inacontin- uous flow fixed-bedcolumn.The effects ofcomposition ofthe nanocomposite,adsorbent mass,influent Cr(V ... More
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Date: 2013/02/16
Language: en
Type: Text
Identifier: tut:6124
Description: Exfoliated polypyrrole-organically modi fiedmontmorillonite clay nanocomposite (PPy-OMMTNC),was prepare d asapotential adsorbent,via in situ polymerization of pyrrole monomer for adsorption oftoxic Cr ... More
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Date: 2012/04/12
Language: en
Type: Text
Identifier: tut:5513
Description: Fluoride in drinking water above permissible levels is responsible for dental and skeletal fluorosis. In this study, removal of fluoride ions from water using phosphoric acid treated lime was investig ... More
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Date: 2012/03/15
Language: en
Type: Text
Identifier: tut:5696
Description: Molasses spent wash contains melanoidin, a dark brown recalcitrant compound. It is not easily biodegraded and causes a number of problems such as reduction in photosynthetic activities and dissolved o ... More
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Date: 2011/12/05
Language: en
Type: Text
Identifier: tut:5044
Description: Novel nanostructured hydrotalcite (HT) adsorption medium was prepared and its ability to remove Pb(II) from aqueous solution was demonstrated. The media was characterized using Fourier transform infra ... More
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Date: 2011/11/22
Language: en
Type: Text
Identifier: tut:6256
Description: Polypyrrole-polyaniline (PPy-PANI) nanofibers as adsorbent of Cr(VI) were prepared without template via coupling of propagating PPy•+ and PANI•+ free radicals by simultaneous polymerization of Py and ... More
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Date: 2011/03/15
Language: en
Type: Text
Identifier: tut:6107
Description: Fe3O4 coated polypyrrole (PPy) magnetic nanocomposite was prepared via in situ polymerization of pyrrole monomer for the removal of highly toxic Cr(VI). Structure and morphology of the prepared nanoco ... More
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Date: 2011/01/01
Language: en
Type: Text
Identifier: tut:6114
Description: Chemical wastewater streams may contain toxic compounds which are non-biodegradable, and therefore require advanced treatment techniques such as adsorption. However, application of adsorption processe ... More
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