TUTDoR

Okonkwo, J. O.

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Date: 2021/05/01
Language: en
Type: Text
Identifier: tut:6753
Description: Maize tassel (MT), an agricultural waste material has been used for the removal of Pb from borehole water contaminated with mine wastewater2. Furthermore, it has been shown that maize tassel contains ... More
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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: 2019/10/08
Language: en
Type: Text
Identifier: tut:6751
Description: This study report the presence of polybrominated biphenyls (PBBs), polybrominated diphenyl ethers (PBDEs) and novel brominated flameretardants (NBFRs) in muscle tissues of Labeo capensis (mudfish), La ... More
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Date: 2019/05/23
Language: en
Type: Text
Identifier: tut:6760
Description: The occurrence, distribution and ecological risk assessment of twelve (12) organophosphorus flame retardants (OPFRs) were investigated in sediments from the Vaal River, South Africa. Six halogenated OP ... More
Date: 2019/02/26
Language: en
Type: Text
Identifier: tut:6748
Description: It has been extensively demonstrated that plants accumulate organic substances emanating from various sources, including soil and water. This fact suggests the potentiality of contamination of certain ... More
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Date: 2018/12/20
Language: en
Type: Text
Identifier: tut:6757
Description: Sediments are known to be the ultimate sink for most pollutants in the aquatic environment. In this study, the concentrations of both legacy polybrominated diphenyl ethers (PBDEs) and alternative halo ... More
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Date: 2018/11/28
Language: en
Type: Text
Identifier: tut:6758
Description: Brominated flame retardants (BFRs) compounds have been widely added in a number of products to reduce their flammability. In the present study, the concentrations and distribution of tetrabromobisphen ... More
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Date: 2017/10/04
Language: en
Type: Text
Identifier: tut:6742
Description: Alkylphenols (APs) are ultimate breakdown products of alkylphenol polyethoxylate (APEs) that are used in cleaning and industrial processes. The most commonly used APEs in the market are the nonylpheno ... More
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Date: 2016/07/08
Language: en
Type: Text
Identifier: tut:6745
Description: High environmental concentrations for alkylphenol ethoxylates (APEs) and brominated flame retardants (BFRs) have been observed near cities than in rural environment. This is due, in part, to sewage sy ... 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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