TUTDoR

Okonkwo, J. O.

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Date: 2020/08/27
Language: en
Type: Text
Identifier: tut:6146
Description: The extreme persistence, bioaccumulative, and toxicity tendencies of per- and polyfluoroalkyl substances (PFAS) have contributed to the ever-increasing quest for effective and low-cost technologies fo ... More
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Date: 2020/08/20
Language: en
Type: Text
Identifier: tut:5379
Description: Organophosphate esters (OPEs) are esters of phosphoric acid that are increasingly used as plasticizers and by the flame-retardants industries as replacement for the regulated polybrominated diphenyl e ... More
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Date: 2016/04/20
Language: en
Type: Text
Identifier: tut:5403
Description: Polybrominated diphenyl ethers (PBDEs) are a group of organobromine compounds that are used as flame retardants in many commonly used products. Their presence has been confirmed in various environment ... More
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Date: 2016
Language: en
Type: Text
Identifier: tut:4905
Description: Cyanobacteria produce toxins which are hazardous to the health of people who are using water that is contaminated. The hazard quotient suggested by United States Environmental Protection Agency (USEPA ... More
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Date: December 2016
Language: en
Type: Text
Identifier: tut:5252
Description: Chemical precipitation with lime, the technology of choice for phosphate removal from contaminated waters, is expensive. In this study the feasibility of utilizing low-cost chemically activated maize ... More
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Date: 2015/07/06
Language: en
Type: Text
Identifier: tut:2906
Description: In this study leachate and sediment samples were collected from six municipal solid waste landfill sites across Gauteng Province in South Africa to determine the levels of 2-ethylhexyl 2,3,4,5 tetrabro ... More
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Date: 2015/07/01
Language: en
Type: Text
Identifier: tut:2900
Description: Generally, a major route of alkylphenol ethoxylates (APEs) and brominated flame retardants (BFRs) to enter the environment is via the wastewater treatment works (WWTW) facilities. Consequently, the lev ... More
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Date: 2015/06/13
Subject: Indoor dust | PBDEs
Language: en
Type: Text
Identifier: tut:2935
Description: Information on polybrominated diphenyl ethers (PBDEs) in the indoor environment in developing countries is still relatively scarce. In this study, house (n¼10) and office (n¼11) dusts samples collected ... More
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Date: 2015/06/03
Language: en
Type: Text
Identifier: tut:2899
Description: In the present study, the levels of polybrominated diphenyl ethers in car dust samples collected from 12 random-ly selected cars in Nigeria were measured, and the daily intake via dust ingestion were ... More
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Date: 2015/03/20
Language: en
Type: Text
Identifier: tut:3218
Description: Alkylphenol ethoxylates (APEs) and brominated flame retardants (BFRs) are known to be bio-accumulative, persistent, and endocrine disruptors and can cause adverse health effects in animals and humans. ... More
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Date: 2015/01/11
Language: en
Type: Text
Identifier: tut:2934
Description: In this study, wild hatched eggshells were collected from the nests of threatened Wattled Crane and South Ground-Hornbill in an attempt to determine their total Hg concentrations. A total of fourteen ... More
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Date: 2015
Language: en
Type: Text
Identifier: tut:3020
Description: This article reports on the extraction and characterization of novel natural cellulose fibers obtained from the maize (tassel) plant. Cellulose was extracted from the agricultural residue (waste bioma ... More
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Date: 2014/12/30
Language: en
Type: Text
Identifier: tut:5777
Description: Rooibos (Aspalathus linearis) plants are cultivated for the production of the Rooibos tea. In this work, biosorption process of Pb(II) from aqueous solution on Rooibos shoot powder (RSP) was studied i ... More
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Date: 2014/12/12
Language: en
Type: Text
Identifier: tut:3191
Description: An electrochemical sensor for oxidation of triclosan at a nano-zinc oxide-multiwalled carbon nanotube (nZnO–MWCNT) composite modified glassy carbon (GC) electrode was examined by cyclic voltammetry (CV ... More
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Date: 2014/10/17
Language: en
Type: Text
Identifier: tut:3217
Description: The determination and remediation of three pheno- lic compounds bisphenol A (BPA), ortho-nitrophenol (o- NTP), parachlorophenol (PCP) in wastewater is reported. The analysis of these molecules in wast ... More
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