Author

Upenyu Guyo

Observed names: Guyo, Upenyu, U. Guyo, Upenyu GUYO

Institutions: Manicaland State University of Applied Sciences, Midlands State University

Observed institutions: North-West University, Manicaland State University of Applied Sciences, Midlands State University, Nelson Mandela University

ORCID: 0000-0003-1858-5273

Observed ORCID: 0000-0003-1858-5273

OpenAlex ID: A5056183650

Adsorption Batch Studies on the Removal of Pb(II) Using Maize Tassel Based Activated Carbon

2013 · Mambo Moyo, Linda Chikazaza, et al. · Journal of Chemistry · 133

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Pb(II) adsorption from aqueous solutions by raw and treated biomass of maize stover – A comparative study

2014 · Upenyu Guyo, Joylene Mhonyera, et al. · Process Safety and Environmental Protection · 102

Exploring the use of cactus Opuntia ficus indica in the biocoagulation–flocculation of Pb(II) ions from wastewaters

2015 · T. Nharingo, M. T. Zivurawa, et al. · International Journal of Environmental Science and Technology · 91

Removal of Zn (II) and Cu (II) Ions from Industrial Wastewaters Using Magnetic Biochar Derived from Water Hyacinth

2019 · Benias C. Nyamunda, Terrence Chivhanga, et al. · Journal of Engineering · 87

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Marula seed husk (Sclerocarya birrea) biomass as a low cost biosorbent for removal of Pb(II) and Cu(II) from aqueous solution

2015 · Mambo Moyo, Upenyu Guyo, et al. · Journal of Industrial and Engineering Chemistry · 81

Synthesis of silver nanoparticles using plant extracts from Erythrina abyssinica aerial parts and assessment of their anti-bacterial and anti-oxidant activities

2022 · Netai Mukaratirwa-Muchanyereyi, Cecilia Gusha, et al. · Results in Chemistry · 73

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Kinetic and equilibrium modelling of lead sorption from aqueous solution by activated carbon from goat dung

2014 · Mambo Moyo, George Nyamhere, et al. · Desalination and Water Treatment · 68

Application of response surface methodology for Cd(II) adsorption on maize tassel-magnetite nanohybrid adsorbent

2015 · U. Guyo, T. Makawa, et al. · Journal of environmental chemical engineering · 67

Adsorptive potential of Zea mays tassel activated carbon towards the removal of metformin hydrochloride from pharmaceutical effluent

2019 · Menala Kalumpha, Upenyu Guyo, et al. · International Journal of Phytoremediation · 41

Equilibrium, kinetic, and thermodynamic studies on biosorption of Cd(II) from aqueous solution by biochar

2015 · Mambo Moyo, Sikwila Thokozani Lindiwe, et al. · Research on Chemical Intermediates · 35

The evolution of Tamiflu synthesis, 20 years on: Advent of enabling technologies the last piece of the puzzle?

2020 · Cloudius R. Sagandira, Francis M. Mathe, et al. · Tetrahedron · 28

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Removal of Pb(II) and Cd(II) from aqueous solution using alkaline-modified pumice stone powder (PSP): equilibrium, kinetic, and thermodynamic studies

2017 · Vivian JONASI, Kaina MATINA, et al. · TURKISH JOURNAL OF CHEMISTRY · 22

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Electrodeposition of zinc oxide nanoparticles on multiwalled carbon nanotube-modified electrode for determination of caffeine in wastewater effluent

2017 · Takunda Muzvidziwa, Mambo Moyo, et al. · International Journal of Environmental & Analytical Chemistry · 18

Fabrication of a sustainable maize stover-graft-methyl methacrylate biopolymer for remediation of methyl red contaminated wasters

2017 · Upenyu Guyo, Nyasha Matewere, et al. · Sustainable materials and technologies · 17

Preparation and performance characterization of ceramic/silver nanoparticle composite in water purification

2019 · Netai Mukaratirwa‐Muchanyereyi, Washington Tigere, et al. · International Journal of Applied Ceramic Technology · 15

Modeling and Optimization of Lead (II) Adsorption by a Novel Peanut Hull-g-Methyl Methacrylate Biopolymer Using Response Surface Methodology (RSM)

2019 · Megnolia Chaduka, Upenyu Guyo, et al. · Analytical Letters · 14

Cowpea pod (Vigna unguiculata) biomass as a low-cost biosorbent for removal of Pb(II) ions from aqueous solution

2017 · U. Guyo, M. Moyo · Environmental Monitoring and Assessment · 14

Synthesis and characterisation of Zeolites from Coal Fly Ash (CFA)

2013 · Marko Chigondo, Upenyu Guyo, et al. · 13

Synthesis and characterization of activated carbon–ethylenediamine–cobalt(II) tetracarboxyphthalocyanine conjugate for catalytic oxidation of ascorbic acid

2016 · Pamela Moyo, Tawanda Mugadza, et al. · Research on Chemical Intermediates · 11

Removal of nickel(II) from aqueous solution by Vigna unguiculata (cowpea) pods biomass

2016 · Upenyu Guyo, Kudakwashe Sibanda, et al. · Water Science & Technology · 11

Hydrogen peroxide as an oxidant for organic reactions

2013 · Benias C. Nyamunda, Fidelis Chigondo, et al. · 11

Application of Central Composite Design in the Adsorption of Ca(II) on Metakaolin Zeolite

2017 · Upenyu Guyo, Fidelis Chigondo · Journal of Chemistry · 10

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Isotherm study of the biosorption of Cu (II) from aqueous solution by vigna subterranea (L.) verdc hull

2013 · Tichaona Nharingo, Muzondo N. Maria., et al. · 10

Green chemistry: current status and challenges in Zimbabwe

2024 · Upenyu Guyo, Fidelis Chigondo, et al. · Physical Sciences Reviews · 5

Preparation of poly(methyl methacrylate)–grafted Hyparrhenia hirta for methyl red removal from colored solutions

2017 · Upenyu Guyo, Nyasha Matewere, et al. · Bioremediation Journal · 5

Works count: 44

Citation count: 1,001

H-index: 15

I10-index: 23