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1

The effect of dissolved cations on microbial ferrous-iron oxidation by Leptospirillum ferriphilum in continuous culture

Tunde V. Ojumu, Jochen Petersen, Geoffrey S. Hansford

Journal:

Hydrometallurgy

Year:

2008

Language:

english

File:

PDF, 895 KB

english, 2008

2

Application of coal fly ash to circumneutral mine waters for the removal of sulphates as gypsum and ettringite

Godfrey Madzivire, Leslie F. Petrik, Wilson M. Gitari, Tunde V. Ojumu, Gillian Balfour

Journal:

Minerals Engineering

Year:

2010

Language:

english

File:

PDF, 314 KB

english, 2010

3

Synthesis and Characterization of Faujasite Zeolite and Geopolymer from South African Coal Fly Ash

Ndlovu, Nkululeko Z. N., Missengue, Roland N. M., Petrik, Leslie F., Ojumu, Tunde

Journal:

Journal of Environmental Engineering

Year:

2017

Language:

english

File:

PDF, 1.97 MB

english, 2017

4

Fly Ash-Based Geopolymer Building Materials for Green and Sustainable Development

Kalombe, Rosicky Methode, Ojumu, Victor Tunde, Eze, Chuks Paul, Nyale, Sammy Mwasaha, Kevern, John, Petrik, Leslie Felicia

Journal:

Year:

2020

File:

PDF, 3.19 MB

2020

5

Kinetic modeling of cell growth, substrate utilization, and biosurfactant production from solid agrowaste ( Beta vulgaris) by Bacillus licheniformis STK 01

Amodu, Olusola S., Ojumu, Tunde V., Ntwampe, Seteno K. O.

Journal:

The Canadian Journal of Chemical Engineering

Year:

2016

Language:

english

File:

PDF, 1.11 MB

english, 2016

6

The kinetics of ferrous ion oxidation by Leptospirillum ferriphilum in continuous culture: The effect of pH

Tunde V. Ojumu, Jochen Petersen

Journal:

Hydrometallurgy

Year:

2011

Language:

english

File:

PDF, 706 KB

english, 2011

7

Investigating the effect of acid stress on selected mesophilic micro-organisms implicated in bioleaching

Emmanuel Ngoma, I., Ojumu, Tunde V., Harrison, Susan T.L.

Journal:

Minerals Engineering

Year:

2015

Language:

english

File:

PDF, 949 KB

english, 2015

8

Fate of sulphate removed during the treatment of circumneutral mine water and acid mine drainage with coal fly ash: Modelling and experimental approach

Godfrey Madzivire, Wilson M. Gitari, V.R. Kumar Vadapalli, Tunde V. Ojumu, Leslie F. Petrik

Journal:

Minerals Engineering

Year:

2011

Language:

english

File:

PDF, 773 KB

english, 2011

9

Fungi solubilisation of low rank coal: Performances of stirred tank, fluidised bed and packed bed reactors

Bilainu O. Oboirien, Tunde V. Ojumu, Surajudeen O. Obayopo

Journal:

Fuel Processing Technology

Year:

2013

Language:

english

File:

PDF, 1.09 MB

english, 2013

10

Potential Applications of Zeolite Membranes in Reaction Coupling Separation Processes

Daramola, Michael, Aransiola, Elizabeth, Ojumu, Tunde

Journal:

Year:

2012

Language:

english

File:

PDF, 979 KB

english, 2012

11

Development of a Novel Mesoporous Biocatalyst Derived from Kola Nut Pod Husk for Conversion of Kariya Seed Oil to Methyl Esters: A Case of Synthesis, Modeling and Optimization Studies

Betiku, Eriola, Okeleye, Adebisi A., Ishola, Niyi B., Osunleke, Ajiboye S., Ojumu, Tunde V.

Journal:

Catalysis Letters

Year:

2019

Language:

english

File:

PDF, 3.35 MB

english, 2019

12

Kinetics of Microbial Ferrous-Iron Oxidation by Leptospirillum Ferriphilum: Effect of Ferric-Iron on Biomass Growth

Ojumu, Tunde V., Petersen, Jochen

Journal:

Advanced Materials Research

Year:

2009

Language:

english

File:

PDF, 354 KB

english, 2009

13

Investigation of the Effect of pH Operating Conditions on Bioleaching of Low-Grade Chalcopyrite in Column Reactors

Tshilombo, Odilon M., Ojumu, Tunde V.

Journal:

Advanced Materials Research

Year:

2013

Language:

english

File:

PDF, 332 KB

english, 2013

14

Applications of Nonconventional Green Extraction Technologies in Process Industries: Challenges, Limitations and Perspectives

Fomo, Gertrude, Madzimbamuto, Tafirenyika Nyamayaro, Ojumu, Tunde Victor

Journal:

Year:

2020

File:

PDF, 931 KB

2020

15

Charge transfer between biogenic jarosite derived Fe3+and TiO2 enhances visible light photocatalytic activity of TiO2

Chowdhury, Mahabubur, Shoko, Sipiwe, Cummings, Fransciuos, Fester, Veruscha, Ojumu, Tunde Victor

Journal:

Journal of Environmental Sciences

Year:

2016

Language:

english

File:

PDF, 2.48 MB

english, 2016

16

Pawpaw (Carica papaya) Peel Waste as a Novel Green Heterogeneous Catalyst for Moringa Oil Methyl Esters Synthesis: Process Optimization and Kinetic Study

Oladipo, Babatunde, Ojumu, Tunde V, Latinwo, Lekan M, Betiku, Eriola

Journal:

Year:

2020

File:

PDF, 8.79 MB

2020

17

The Effect of Aluminium and Magnesium Sulphate on the Rate of Ferrous Iron Oxidation by Leptospirillum ferriphilum in Continuous Culture

Ojumu, Tunde V., Petersen, Jochen, Hansford, Geoffrey S.

Journal:

Advanced Materials Research

Year:

2007

Language:

english

File:

PDF, 316 KB

english, 2007

18

Cellulase Production by Aspergillus flavus Linn Isolate NSPR 101 fermented in sawdust, bagasse and corncob

Ojumu, Tunde Victor, Solomon, Bamidele Ogbe, Betiku, Eriola, Layokun, Stephen Kolawole, Amigun, Bamikole

Journal:

AFRICAN JOURNAL OF BIOTECHNOLOGY

Year:

2003

Language:

english

File:

PDF, 184 KB

english, 2003

19

Correction: Daramola, M.O.; Aransiola, E.F.; Ojumu, T.V. Potential Applications of Zeolite Membranes in Reaction Coupling Separation Processes. Materials 2012, 5, 2101-2136.

Daramola, Michael, Aransiola, Elizabeth, Ojumu, Tunde

Journal:

Year:

2013

Language:

english

File:

PDF, 15 KB

english, 2013

20

The Effect of Initial Solution pH on Surface Properties of Ferric Ion Precipitates Formed during Biooxidation of Ferrous Ion by Leptospirillum ferriphilum

Mabusela, Bongo, Ojumu, Tunde Victor

Journal:

Solid State Phenomena

Year:

2017

Language:

english

File:

PDF, 675 KB

english, 2017

21

The production of Hydrogen through the use of a 77wt%Pd 23wt%Ag Membrane Water Gas Shift Reactor

Baloyi, Liberty N., North, Brian C., Langmi, Henrietta W., Bladergroen, Bernard J., Ojumu, Tunde V.

Journal:

South African Journal of Chemical Engineering

Year:

2016

Language:

english

File:

PDF, 2.52 MB

english, 2016

22

Distributional Fate of Elements during the Synthesis of Zeolites from South African Coal Fly Ash

Du Plessis, Pieter, Ojumu, Tunde, Fatoba, Ojo, Akinyeye, Richard, Petrik, Leslie

Journal:

Year:

2014

Language:

english

File:

PDF, 349 KB

english, 2014

23

Thermodynamic Data of Fusarium oxysporum Grown on Different Substrates in Gold Mine Wastewater

Akinpelu, Enoch, Ntwampe, Seteno, Mekuto, Lukhanyo, Ojumu, Tunde

Journal:

Year:

2017

Language:

english

File:

PDF, 187 KB

english, 2017

24

Potential of Ripe Plantain Fruit Peels as an Ecofriendly Catalyst for Biodiesel Synthesis: Optimization by Artificial Neural Network Integrated with Genetic Algorithm

Etim, Anietie, Betiku, Eriola, Ajala, Sheriff, Olaniyi, Peter, Ojumu, Tunde

Journal:

Year:

2018

Language:

english

File:

PDF, 5.76 MB

english, 2018

25

The kinetics of ferrous-iron oxidation by Leptospirillum ferriphilum in continuous culture: The effect of temperature

Tunde V. Ojumu, Geoffrey S. Hansford, Jochen Petersen

Journal:

Biochemical Engineering Journal

Year:

2009

Language:

english

File:

PDF, 810 KB

english, 2009

26

Solution pH and Jarosite Management during Ferrous Iron Biooxidation in a Novel Packed-Column Bioreactor

Wanjiya, Mwema, Chowdhury, Faysol, Ojumu, Tunde V.

Journal:

Advanced Materials Research

Year:

2015

Language:

english

File:

PDF, 345 KB

english, 2015

27

Sustainable Biodiesel Synthesis from Honne-Rubber-Neem Oil Blend with a Novel Mesoporous Base Catalyst Synthesized from a Mixture of Three Agrowastes

Falowo, Olayomi A., Ojumu, Tunde V., Pereao, Omoniyi, Betiku, Eriola

Journal:

Year:

2020

File:

PDF, 3.12 MB

2020

28

Non-Enzymatic Fructose Sensor Based on Co 3 O 4 Thin Film

Gota, Tatenda, Chowdhury, Mahabubur, Ojumu, Tunde

Journal:

Electroanalysis

Year:

2017

Language:

english

File:

PDF, 3.43 MB

english, 2017

29

The Effect of Total Iron Concentration and Iron Speciation on the Rate of Ferrous Iron Oxidation Kinetics of Leptospirillum ferriphilum in Continuous Tank Systems

Petersen, Jochen, Ojumu, Tunde V.

Journal:

Advanced Materials Research

Year:

2007

Language:

english

File:

PDF, 315 KB

english, 2007

30

Bioremediating silty soil contaminated by phenanthrene, pyrene, benz(a)anthracene, benzo(a)pyrene using Bacillus sp. and Pseudomonas sp.: Biosurfactant/Beta vulgaris agrowaste effects

Olusola, S Amodu, Tunde, V Ojumu, Seteno, K O Ntwampe

Journal:

AFRICAN JOURNAL OF BIOTECHNOLOGY

Year:

2016

Language:

english

File:

PDF, 541 KB

english, 2016

31

Synthesis of zeolite A from coal fly ash using ultrasonic treatment - a replacement for fusion step

Ojumu, Tunde, Du Plessis, Pieter, Petrik, Leslie

Journal:

Ultrasonics Sonochemistry

Year:

2016

Language:

english

File:

PDF, 1.36 MB

english, 2016

32

Banana peels as a biobase catalyst for fatty acid methyl esters production using Napoleon's plume (Bauhinia monandra) seed oil: A process parameters optimization study

Betiku, Eriola, Akintunde, Aramide Mistura, Ojumu, Tunde Victor

Journal:

Year:

2016

Language:

english

File:

PDF, 2.04 MB

english, 2016

33

Treatment of acid mine drainage with coal fly ash in a jet loop reactor pilot plant

Kalombe, Rosicky Methode, Ojumu, Tunde Victor, Katambwe, Vinny Ndjate, Nzadi, Michael, Bent, Denzil, Nieuwouldt, George, Madzivire, Godfrey, Kevern, John, Petrik, Leslie Felicia

Journal:

Minerals Engineering

Year:

2020

File:

PDF, 929 KB

2020

34

Emulsification of Hydrocarbons by Biosurfactant: Exclusive Use of Agrowaste

Amodu, Olusola Solomon, Ntwampe, Seteno Karabo, Ojumu, Tunde Victor

Journal:

Year:

2014

Language:

english

File:

PDF, 275 KB

english, 2014

35

Two-Step Conversion of Neem ( Azadirachta indica ) Seed Oil into Fatty Methyl Esters Using a Heterogeneous Biomass-Based Catalyst: An Example of Cocoa Pod Husk

Betiku, Eriola, Etim, Anietie Okon, Pereao, Omoniyi, Ojumu, Tunde Victor

Journal:

Year:

2017

Language:

english

File:

PDF, 2.58 MB

english, 2017

36

Optimization of Biosurfactant Production by Bacillus licheniformis STK 01 Grown Exclusively on Beta vulgaris Waste using Response Surface Methodology

Amodu, Olusola S., Ntwampe, Seteno K. O., Ojumu, Tunde Victor

Journal:

Year:

2014

Language:

english

File:

PDF, 780 KB

english, 2014

37

Synthesis of Zeolites Na-P1 from South African Coal Fly Ash: Effect of Impeller Design and Agitation

Mainganye, Dakalo, Ojumu, Tunde, Petrik, Leslie

Journal:

Year:

2013

Language:

english

File:

PDF, 1.04 MB

english, 2013

38

Optimization of Corn Steep Liquor Dosage and Other Fermentation Parameters for Ethanol Production by Saccharomyces cerevisiae Type 1 and Anchor Instant Yeast

Taiwo, Abiola, Madzimbamuto, Tafirenyika, Ojumu, Tunde

Journal:

Year:

2018

Language:

english

File:

PDF, 2.56 MB

english, 2018

39

Exclusion of Estrogenic and Androgenic Steroid Hormones from Municipal Membrane Bioreactor Wastewater Using UF/NF/RO Membranes for Water Reuse Application

Aziz, Mujahid, Ojumu, Tunde

Journal:

Year:

2020

File:

PDF, 1.60 MB

2020

40

Microbial Ferrous Ion Oxidation versus Ferric Ion Precipitation at Low Temperature Conditions

Chukwuchendo, Emmanuel Chinonso, Ojumu, Tunde Victor

Journal:

Solid State Phenomena

Year:

2017

Language:

english

File:

PDF, 374 KB

english, 2017

41

Waste Minimization Protocols for the Process of Synthesizing Zeolites from South African Coal Fly Ash

Plessis, Pieter, Ojumu, Tunde, Petrik, Leslie

Journal:

Year:

2013

Language:

english

File:

PDF, 790 KB

english, 2013

42

Auto-hydrolysis of lignocellulosics under extremely low sulphuric acid and high temperature conditions in batch reactor

Tunde Victor Ojumu, Ba’aku Emmanuel AttahDaniel, Eriola Betiku, Bamidele Ogbe Solomon

Journal:

Biotechnology and Bioprocess Engineering

Year:

2003

File:

PDF, 97 KB

2003

43

Optimization of process variables for acetoin production in a bioreactor using Taguchi orthogonal array design

Taiwo, Abiola Ezekiel, Madzimbamuto, Tafirenyika Nyamayaro, Ojumu, Tunde Victor

Journal:

Year:

2020

File:

PDF, 46 KB

2020

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