2026 Johann F. Görgens: Engineering and Technology Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Engineering and Technology	59	2401	2297	4	4	242	10441

Research.com Recognitions

2026 - Research.com Engineering and Technology in South Africa Leader Award

Overview

Johann F. Görgens is affiliated with Stellenbosch University in South Africa. Their research primarily focuses on engineering disciplines with significant contributions in biomedical engineering, molecular biology, control and systems engineering, nutrition and dietetics, and biotechnology.

Their work covers several main research topics, including:

Biofuel production and bioconversion
Catalysis for biomass conversion
Microbial metabolic engineering and bioproduction
Thermochemical biomass conversion processes
Lignin and wood chemistry
Microbial metabolites in food biotechnology
Process optimization and integration

Johann F. Görgens has published frequently in the following scientific venues:

Waste and Biomass Valorization
Biofuels Bioproducts and Biorefining
Biochemical Engineering Journal
Biomass Conversion and Biorefinery
Industrial Crops and Products

Notable recent papers authored or coauthored include:

Pyrolysis of waste polypropylene plastics for energy recovery: Influence of heating rate and vacuum conditions on composition of fuel product (2020, Fuel Processing Technology)
Techno-economic and environmental analysis of bio-oil production from forest residues via non-catalytic and catalytic pyrolysis processes (2020, Energy Conversion and Management)
Torrefaction of biomass and plastic from municipal solid waste streams and their blends: Evaluation of interactive effects (2020, Fuel)
Co-combustion of torrefied biomass-plastic waste blends with coal through TGA: Influence of synergistic behaviour (2021, Energy)
The synergistic application of quinone reductase and lignin peroxidase for the deconstruction of industrial (technical) lignins and analysis of the degraded lignin products (2020, Bioresource Technology)

Frequent collaborators include:

Eugéne van Rensburg
Abdul M. Petersen
Somayeh Farzad
Jeanne Louw
Mohsen Mandegari

Best Publications

Production of char from vacuum pyrolysis of South-African sugar cane bagasse and its characterization as activated carbon and biochar

Marion Carrier;Ailsa G. Hardie;Ümit Uras;Johann Görgens

298
Citations
Multi-product biorefineries from lignocelluloses: a pathway to revitalisation of the sugar industry?

Somayeh Farzad;Mohsen Ali Mandegari;Miao Guo;Kathleen F. Haigh

235
Citations
Non-isothermal kinetic analysis of the devolatilization of corn cobs and sugar cane bagasse in an inert atmosphere

Akinwale O. Aboyade;Akinwale O. Aboyade;Thomas J. Hugo;Marion Carrier;Edson L. Meyer

228
Citations
A critical review on biomass gasification, co-gasification, and their environmental assessments

Somayeh Farzad;Mohsen Ali Mandegari;Johann F. Görgens

223
Citations
Comparison of slow and vacuum pyrolysis of sugar cane bagasse

Marion Carrier;Thomas Hugo;Johann Gorgens;Hansie Knoetze

197
Citations
Exergy analysis of a lignocellulosic-based biorefinery annexed to a sugarcane mill for simultaneous lactic acid and electricity production

Mortaza Aghbashlo;Mohsen Mandegari;Meisam Tabatabaei;Somayeh Farzad

188
Citations
Waste truck-tyre processing by flash pyrolysis in a conical spouted bed reactor

G. Lopez;J. Alvarez;M. Amutio;N.M. Mkhize

187
Citations
Techno-economic comparison of biojet fuel production from lignocellulose, vegetable oil and sugar cane juice.

Gabriel Wilhelm Diederichs;Mohsen Ali Mandegari;Somayeh Farzad;Johann F. Görgens

179
Citations
Progress and challenges in the engineering of non-cellulolytic microorganisms for consolidated bioprocessing

Riaan den Haan;Eugéne van Rensburg;Shaunita H Rose;Johann F Görgens

174
Citations
Thermogravimetric study of the pyrolysis characteristics and kinetics of coal blends with corn and sugarcane residues

Akinwale O. Aboyade;Akinwale O. Aboyade;Johann F. Görgens;Marion Carrier;Edson L. Meyer

169
Citations
Comparison of energy efficiency and economics of process designs for biobutanol production from sugarcane molasses

A.B. van der Merwe;H. Cheng;J.F. Görgens;J.H. Knoetze

153
Citations
Model fitting kinetic analysis and characterisation of the devolatilization of coal blends with corn and sugarcane residues

Akinwale O. Aboyade;Akinwale O. Aboyade;Marion Carrier;Edson L. Meyer;Johannes H. Knoetze

141
Citations
Pyrolysis and combustion of municipal solid wastes: evaluation of synergistic effects using TGA-MS

Sanjana D. Gunasee;Sanjana D. Gunasee;Marion Carrier;Marion Carrier;Johann F. Gorgens;Romeela Mohee

132
Citations
Pyrolysis of waste polypropylene plastics for energy recovery: Influence of heating rate and vacuum conditions on composition of fuel product

George Kofi Parku;François-Xavier Collard;Johann F. Görgens

131
Citations
Evaluation of the properties of tyre pyrolysis oils obtained in a conical spouted bed reactor

J. Alvarez;G. Lopez;M. Amutio;N.M. Mkhize

128
Citations
Opportunities and prospects of biorefinery-based valorisation of pulp and paper sludge.

Lalitha Devi Gottumukkala;Kate Haigh;François-Xavier Collard;Eugéne van Rensburg

123
Citations
Techno-economic comparison of ethanol and electricity coproduction schemes from sugarcane residues at existing sugar mills in Southern Africa

Abdul M Petersen;Mathew C Aneke;Johann F Görgens

114
Citations
The metabolic burden of the PGK1 and ADH2 promoter systems for heterologous xylanase production by Saccharomyces cerevisiae in defined medium

Johann F. Görgens;Johann F. Görgens;Willem H. van Zyl;Johannes H. Knoetze;Bärbel Hahn-Hägerdal

112
Citations
Economic and environmental assessment of cellulosic ethanol production scenarios annexed to a typical sugar mill

Mohsen Ali Mandegari;Somayeh Farzad;Johann F. Görgens

111
Citations
Impact of the lignocellulosic material on fast pyrolysis yields and product quality.

Marion Carrier;Jan-Erns Joubert;Stephen Danje;Thomas Hugo

109
Citations
Influence of pretreatment severity on structural changes, lignin content and enzymatic hydrolysis of sugarcane bagasse samples

Michel Brienzo;Michel Brienzo;Simphiwe Fikizolo;Yuda Benjamin;Luvuyo Tyhoda

97
Citations