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Alternative fertilizer sources (P & N, etc.) / Renewable energies / Microplastics in water

Postdoc at Ghent University

52 min / Published
By Nazerke

Çağrı Akyol - a Postdoctoral researcher and project manager at Ghent University, dealing with; Energy and resource recovery from waste streams, Biogas biorefineries, Nutrient recovery and recycling. Also, he shares a lot about renewables and alternative fertilizers on his LinkedIn 🙂


0:00   Intro
01:10   Biogas & biomethane in EU Gas Package / about EU's 35 bcm binding target
04:47   Can Biogas & biomethane replace fossil fuels?
05:55   Russian natural gas cutoff & EU's interest in renewable energy sources 
07:44   About the Nutri2Cycle project 
11:49   Linear vs. Circular economy
15:12   About bio-based fertilizers and an ongoing debate on the "bio-based fertilizer" term
18:18   Bio-based fertilizers from anaerobic digestion 
22:13   "... in Flanders, you can't directly apply digestate to the soil..."
23:13   About microplastics in human blood, breast milk, soil, and tap water
28:40   Current challenges in water & wastewater treatments (chemicals, sludge, etc.)
32:50   About Gent University's research contribution to alternative fertilizers 
34:01   Synthetic N fertilizers vs. bio-based N fertilizers impact on the environment
36:10   "Farmers are really keen to use bio-based fertilizers because..."
38:38   Can bio-based fertilizers alone close the current P fertilizer demand? 
40:11   Agricultural practices with less nutrient loss
40:57   Future of bio-based fertilizers & renewable energy
45:28   Advice for young researchers (PhDs)
49:03   Good researcher skills
51:12   Shall one create or look for meaning?

Çağrı's research works: https://www.researchgate.net/profile/Cagri-Akyol-2

Çağrı on LinkedIn: https://www.linkedin.com/in/çağrı-akyol-08024763/

Nutri2cycle project that Çağrı mentions: https://www.nutri2cycle.eu/

BioDEN post on Gent University research: 
https://www.biogas-e.be/sites/default/files/2023-01/BioDEN_Newsletter - EN.pdf

Article on P cycle: 


Special Thanks: 
I want to thank Dr. Maxim Dorodnikov (Georg-August-Universität Göttingen), who introduced me to P cycle and to "peak phosphorus curve". Thanks to him, I was able to address in this episodes one of the critical issues - P limit. And special thanks to Prof. Sophie and Dr. Eugenio (BOKU) who buit in me interest and core basic understandings of GHG emissions & soil microbiology. Also, thanks to IMSOGLO project organizers & all lecturers (Prof. Finke & Prof. Wim, Prof. Sauer & Dr. Stephen, etc., and my friend ALEX who taught me almost everything). This list is just a brief one, I will try to put more names in next episodes. 


Host: Nazerke Amangeldy

LinkedIn: https://www.linkedin.com/in/nazerke-amangeldy-9ba760206/ 

Twitter: https://twitter.com/annazeka_

Science Talk with Naz:
Website: https://www.podcastics.com/podcast/science-talk-with-naz/
Instagram: https://www.instagram.com/sciencetalkwithnaz/

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