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11 March 2022 | Story NONSINDISO QWABE | Photo Supplied
Dr Ralph Clarke
Dr Ralph Clark, Director of the Afromontane Research Unit.

The African Mountain Research Foundation (AMRF), in association with the Afromontane Research Unit (ARU) of the University of the Free State (UFS), and the Global Mountain Safeguard Research Programme (GLOMOS), is hosting the first-ever Southern African Mountain Conference (SAMC2022). The theme of the conference is Southern African Mountains – their value and vulnerabilities.

The conference will bring relevant people together into one space for networking and information sharing, leading to more robust regional and international collaborations and comparative mountain studies with an increase in research activities, student capacity, researcher capacity and academic outputs that feed into policy and action. 

The conference will take place from 14 to 17 March 2022 in the majestic Maloti-Drakensberg Mountains in South Africa and Lesotho. 

According to the SAMC2022 website, this is a truly Southern African regional mountain conference, targeting the African region south of the Congo rainforest (DRC) and Lake Rukwa (Tanzania), but including Madagascar, the Comoros and the Mascarenes (i.e., Angola, the Comoros, the Democratic Republic of the Congo [southern mountains], Eswatini, Lesotho, Madagascar, Malawi, Mauritius, Mozambique, Namibia, La Réunion, South Africa, southern Tanzania, Zambia, and Zimbabwe).

Dr Ralph Clark, ARU Director, said the conference would be a high-level international event with UNESCO patronage and very valuable sponsors.

“The programme will have six parallel tracks (one being dedicated to postgraduate students), with about 200 papers being delivered. In addition, we have some very high-profile special sessions, such as an MRI special session on long-term monitoring activities and associated data availability for climate change-related applications across Africa’s mountains, as well as a UNESCO special session on regional collaboration. We also have Prof Julian Bayliss, described as the man who discovered an unseen world, as the guest speaker at the closing event.”

The conference will bring together relevant people in one space for networking and information sharing, leading to more robust regional and international collaborations and comparative mountain studies, with an increase in research activities, student capacity, researcher capacity, and academic outputs that feed into policy and action.

The GLOMOS team, one of the long-term partners of the ARU, spent the week of 8 to 11 March 2022 on the Qwaqwa Campus to strengthen collaboration and pave the way for new research opportunities in Phuthaditjhaba and the Maloti-Drakensberg.
GLOMOS represents an interface between the United Nations University Institute for Environment and Human Security (UNU-EHS) and Eurac Research. Postdoctoral fellow, Dr Stefano Terzi, said: “It’s very interesting for us to look at the Maloti-Drakensberg area because of its diversity. We are in the process of really exciting collaborations.”
Their projects include an understanding of the root causes of land degradation and improving decision-making processes for current water management within the context of water scarcity in the Maloti-Drakensberg.
• For more information on the speakers and the programme, click here 


News Archive

Researcher part of project aimed at producing third-generation biofuels from microalgae in Germany
2016-05-09

Description: Novagreen bioreactor  Tags: Novagreen bioreactor

Some of the researchers and technicians among the tubes of the Novagreen bioreactor (Prof Grobbelaar on left)

A researcher from the University of the Free State (UFS), Prof Johan Grobbelaar, was invited to join a group of scientists recently at the Institute for Bio- and Geo-Sciences of the Research Centre Jülich, in Germany, where microalgae are used for lipid (oil) production, and then converted to kerosene for the aviation industry.

The project is probably the first of its kind to address bio-fuel production from microalgae on such a large scale.  

“The potential of algae as a fuel source is undisputed, because it was these photoautotrophic micro-organisms that were fixing sunlight energy into lipids for millions of years, generating the petroleum reserves that modern human civilisation uses today.  However, these reserves are finite, so the challenge is marrying biology with technology to produce economically-competitive fuels without harming the environment and compromising our food security.  The fundamental ability that microalgae have to produce energy-rich biomass from CO2, nutrients, and sunlight through photosynthesis for biofuels, is commonly referred to as the Third-Generation Biofuels (3G),” said Prof Grobbelaar.

The key compounds used for bio-diesel and kerosene production are the lipids and, more particularly, the triacylglyserols commonly referred to as TAGs.  These lipids, once extracted, need to be trans-esterified for biodiesel, while a further “cracking” step is required to produce kerosene.  Microalgae can store energy as lipids and/or carbohydrates. However, for biofuels, microalgae with high TAG contents are required.  A number of such algae have been isolated, and lipid contents of up to 60% have been achieved.

According to Prof Grobbelaar, the challenge is large-scale, high-volume production, since it is easy to manipulate growth conditions in the laboratory for experimental purposes.  

The AUFWIND project (AUFWIND, a German term for up-current, or new impetus) in Germany consists of three different commercially-available photobioreactor types, which are being compared for lipid production.

Description: Lipid rich chlorella Tags: Lipid rich chlorella

Manipulated Chlorella with high lipid contents (yellow) in the Novagreen bioreactor

The photobioreactors each occupies 500 m2 of land surface area, are situated next to one another, and can be monitored continuously.  The three systems are from Novagreen, IGV, and Phytolutions.  The Novagreen photobioreactor is housed in a glass house, and consist of interconnected vertical plastic tubes roughly 150 mm in diameter. The Phytolutions system is outdoors, and consists of curtains of vertical plastic tubes with a diameter of about 90 mm.  The most ambitious photobioreactor is from IGV, and consists of horizontally-layered nets housed in a plastic growth hall, where the algae are sprayed over the nets, and allowed to grow while dripping from one net to the next.

Prof Grobbelaar’s main task was to manipulate growth conditions in such a way that the microalgae converted their stored energy into lipids, and to establish protocols to run the various photobioreactors. This was accomplished in just over two months of intensive experimentation, and included modifications to the designs of the photobioreactors, the microalgal strain selection, and the replacement of the nutrient broth with a so-called balanced one.

Prof Grobbelaar has no illusions regarding the economic feasibility of the project.  However, with continued research, optimisation, and utilisation of waste resources, it is highly likely that the first long-haul flights using microalgal-derived kerosene will be possible in the not-too-distant future.

Prof Grobbelaar from the Department of Plant Sciences, although partly retired, still serves on the editorial boards of several journals. He is also involved with the examining of PhDs, many of them from abroad.  In addition, he assisted the Technology Innovation Agency of South Africa in the formulation of an algae-biotechnology and training centre.  “The chances are good that such a centre will be established in Upington, in the Northern Cape,” Prof Grobbelaar said.

 

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