Obumneme O. Okwonna

University of Port Harcourt

Publishing since 2013, latest 2026

Ocean Engineering
Mechanical Engineering
Analytical Chemistry
Control and Systems Engineering
Biomedical Engineering
Food Science

Publications: 342013–2026
Citations: 72to those papers
h-index: 4i10-index 2
Field-weighted impact: 0.201.00 is the world average
World top 10%: 0%0 of 31 scored papers
Open access: 74%25 papers free to read

1 other work — a preprint, a dataset or the like — is listed but not counted.

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

On their papers

Every institution they have given on a paper.

Publications

34 in all

Waste-to-Energy Potential of Office Building Solid Waste in Nigeria: A Case Study of Physicochemical Properties and Calorific Value
2026International Journal of Innovative Science and Research Technology (IJISRT)JournalOpen access0 citations10.38124/ijisrt/26feb1181
Enhanced Biogas Production Using High-Density Polyethene Digester Insulated with Saw Dust

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Ocean Engineering824%
Mechanical Engineering721%
Analytical Chemistry618%
Control and Systems Engineering618%
Biomedical Engineering515%
Food Science412%
Waste Management and Disposal412%
Biomaterials39%
Pollution39%
Environmental Engineering26%

Life Sciences
Physical Sciences

Topics most written on

Enhanced Oil Recovery Techniques6
Petroleum Processing and Analysis6
Process Optimization and Integration5
Reservoir Engineering and Simulation Methods4
Hydraulic Fracturing and Reservoir Analysis3
Recycling and Waste Management Techniques3
Advanced Cellulose Research Studies2
Energy and Environment Impacts2
Lignin and Wood Chemistry2
Lubricants and Their Additives2
Oil and Gas Production Techniques2
Advanced Control Systems Optimization1

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

0% of their papers have a co-author abroad

Most frequent partner countries

Papers with at least one author in that country.

Institutions written with most

Niger Delta UniversityNG17 papers
Rivers State UniversityNG9 papers
United Nations Children's Fund NigerNE1 paper

Where they publish

Global Journal of Engineering and Technology Advances5
SPE Nigeria Annual International Conference and Exhibition5
GSC Advanced Research and Reviews3
Journal of Engineering Research and Reports3
International Journal of Innovative Science and Research Technology (IJISRT)2
Zenodo (CERN European Organization for Nuclear Research)

Development goals addressed

From each paper’s title and abstract

6Clean water and sanitation6
12Responsible consumption and production3
9Industry, innovation and infrastructure2
1No poverty1
2Zero hunger1
7Affordable and clean energy1
14Life below water1

Most cited

The effect of pulping concentration treatment on the properties of microcrystalline cellulose powder obtained from waste paper
Carbohydrate Polymers6
201327 citations
Kinetic modelling of in situ treatment of petroleum hydrocarbon contaminated soil using bone char and NPK fertilizers
Sustainable Environment Research6
202212 citationsOpen access · Gold
Orange Mesocarp Extract as a Natural Surfactant: Impact on Fluid–Fluid and Fluid–Rock Interactions during Chemical Flooding

SPE Nigeria Annual International Conference and Exhibition

Thermal Stability Studies of Modified Bio-Based Surfactants for Enhanced Oil Recovery

2026SPE Nigeria Annual International Conference and ExhibitionPublicationSenior author0 citations10.2118/234827-ms

Optimising the gas-oil ratio for enhanced production

2025Global Journal of Engineering and Technology AdvancesJournalOpen access0 citations10.30574/gjeta.2025.22.3.0052

The Hydrogen Economy and Carbon Capture Nexus: A Global Review of Pathways, Technologies, and Challenges

2025International Journal of Innovative Science and Research Technology (IJISRT)JournalOpen access0 citations10.38124/ijisrt/25nov1328

Simulation Driven Decision Framework for Heat Exchanger Retrofits: A Case Study of a Multi Pass Naphtha Cooler

2025International Journal of Research in Engineering Science and ManagementJournalOpen accessSenior author0 citations10.65138/ijresm.v8i11.3378

Optimization of AGO and DPK Production in an Industrial Modular Refinery Operation

2024SPE Nigeria Annual International Conference and ExhibitionPublicationFirst author1 citation10.2118/221792-ms

Liquid fuel production thermal degradation of mixed plastic waste

2024GSC Advanced Research and ReviewsJournalOpen access0 citations10.30574/gscarr.2024.18.1.0492

Preliminary Evaluation of Cashew Gum Exudate as a Green Scale Inhibitor

2024Journal of Engineering Research and ReportsJournalOpen accessSenior author0 citations10.9734/jerr/2024/v26i51148

Preliminary Assessment of Terminalia Mantaly Gum Exudate as a GreenScale Inhibitor

2024SPE Nigeria Annual International Conference and ExhibitionPublicationSenior author0 citations10.2118/221793-ms

Analysing the effects of process parameters on HDPE pyrolysis and in-line reforming

2023Global Journal of Engineering and Technology AdvancesJournalOpen access3 citations10.30574/gjeta.2023.17.1.0217

Spontaneous imbibition and core flooding analysis of pH adjusted alkali and surfactant system in high salinity sandstone reservoir

2023World Journal of Advanced Engineering Technology and SciencesJournalOpen accessSenior author1 citation10.30574/wjaets.2023.8.2.0102

Refinery effluent water treatment: An integrated approach

2023World Journal of Advanced Research and ReviewsJournalOpen accessSenior author5 citations10.30574/wjarr.2023.18.1.0541

Pyrolytic conversion of waste plastics using African apple seed-based activated carbon catalyst

2023Global Journal of Engineering and Technology AdvancesJournalOpen access2 citations10.30574/gjeta.2023.16.3.0199

Oil extraction from Treculia africana seeds: process conditions, kinetic and thermodynamic studies

2023Nigerian Journal of Technological DevelopmentJournalOpen accessFirst author1 citation10.4314/njtd.v20i3.1419

Catalyst deactivation and the effect of catalyst makeup on the FCC unit

2023Global Journal of Engineering and Technology AdvancesJournalOpen accessFirst authorCorresponding0 citations10.30574/gjeta.2023.14.2.0028

Analysis of bio-oil production and characterization from duckweed biomass

2023Zenodo (CERN European Organization for Nuclear Research)JournalOpen accessSenior author0 citations10.5281/zenodo.7683507

Performance Evaluation of Synthetic and Natural- Based Surfactants for Chemical Enhanced Oil Recovery

2022Journal of Engineering Research and ReportsJournalOpen accessSenior author3 citations10.9734/jerr/2022/v22i717545

Impact of process condition on glycerin recovery from spent lye

2022Global Journal of Engineering and Technology AdvancesJournalOpen accessFirst authorCorresponding0 citations10.30574/gjeta.2022.10.3.0032

Artificial intelligence approach in crude distillation unit operation

2021Zenodo (CERN European Organization for Nuclear Research)JournalOpen accessFirst author0 citations10.5281/zenodo.5766474

Prediction of the Catalyst Attrition Rate in an Industrial Fluid Catalytic Cracking Operation

2019World Journal of Innovative ResearchJournalOpen accessFirst author1 citation10.31871/wjir.7.1.36

Conversion of post-consumer (or waste) printers' paper grades into microcrystalline cellulose powder

2013Journal of Emerging Trends in Engineering and Applied SciencesJournalSenior author4 citations

Carbohydrate Polymers1

How it can be read

74% free to read

Diamond 11 · 32%Free to read and to publish
Gold 2 · 6%In an open-access journal
Hybrid 10 · 29%Open in a subscription journal
Green 2 · 6%A copy in a repository
Closed 9 · 26%Behind a paywall

Who funds it

2 of 34 papers name a funder

International Centre of Insect Physiology and Ecology1
Tertiary Education Trust Fund1
World Bank Group1

20247 citationsOpen access · Gold

Refinery effluent water treatment: An integrated approach

World Journal of Advanced Research and Reviews6

20235 citationsOpen access · Hybrid

Conversion of post-consumer (or waste) printers' paper grades into microcrystalline cellulose powder

Journal of Emerging Trends in Engineering and Applied Sciences12

20134 citations