29.06.2020

# New Publications

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Hansson, Anders; et al. (2020): Biochar as multi-purpose sustainable technology: experiences from projects in Tanzania

Hansson, Anders; Haikola, Simon; Fridahl, Mathias; Yanda, Pius; Mabhuye, Edmund; Pauline, Noah (2020): Biochar as multi-purpose sustainable technology: experiences from projects in Tanzania. In Environ Dev Sustain. DOI: 10.1007/s10668-020-00809-8.

"The study is as an empirical contribution to the, as of yet, underdeveloped literature on deployment of negative emissions technologies in LDCs in general and on biochar use in developing countries and LDCs specifically. "

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20.04.2020

# New Publications

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Edeh, Ifeoma G.; et al. 2020: “A Meta-Analysis on Biochar’s Effects on Soil Water Properties – New Insights and Future Research Challenges.”

Edeh, Ifeoma G., Ondřej Mašek, and Wolfram Buss. 2020: “A Meta-Analysis on Biochar’s Effects on Soil Water Properties – New Insights and Future Research Challenges.” Science of The Total Environment 714 (April 2020): 136857. https://doi.org/10.1016/j.scitotenv.2020.136857.

"This meta-analysis of the available literature for the first time quantitatively assess the effect of not just biochar application, but different biochar properties on the full sets of key soil hydraulic parameters, i.e., the available water content (AWC), saturated hydraulic conductivity (Ksat), field capacity (FC), permanent wilting point (PWP) and total porosity (TP)."

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20.04.2020

# Calls & events

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Call for Papers: Special Issue "Bioenergy and Biochar: Repurposing Waste to Sustainable Energy and Materials"

Deadline: 30. June 2020

"The aim of this Special Issue is to include the latest bioenergy and biochar advancements and incorporation to a bioeconomy in transition. This Special Issue focuses on nature, properties, upgrading and bioenergy generation processes from all types of biomass waste and biochars originating from biomass waste."

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15.04.2020

# New Publications

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Anderson, Paul S. 2020: “RoCC Kiln Manual: Rotatable Covered Cavity Kilns for Pyrolytic Production of Biochar and Energy (BC&E).”

Anderson, Paul S. 2020: “RoCC Kiln Manual: Rotatable Covered Cavity Kilns for Pyrolytic Production of Biochar and Energy (BC&E).” April 13, 2020. http://woodgas.com/resources/.

‌"This is the first public release of written details about an innovation to expand the use of pyrolysis to create biochar and release combustible gases (woodgas) from biomass."

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10.04.2020

# New Publications

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Dissanayake, Pavani Dulanja; et al. 2020: “Sustainable Gasification Biochar as a High Efficiency Adsorbent for CO2 Capture: A Facile Method to Designer Biochar Fabrication.”

Dissanayake, Pavani Dulanja, Seung Wan Choi, Avanthi Deshani Igalavithana, Xiao Yang, Daniel C.W. Tsang, Chi-Hwa Wang, Harn Wei Kua, Ki Bong Lee, and Yong Sik Ok. 2020: “Sustainable Gasification Biochar as a High Efficiency Adsorbent for CO2 Capture: A Facile Method to Designer Biochar Fabrication.” Renewable and Sustainable Energy Reviews 124 (May): 109785. https://doi.org/10.1016/j.rser.2020.109785.

"Biochars can be a potential means of CO2 capture if designed with hierarchical structures and suitable surface properties. Objective of this research was to assess the effectiveness of KOH activation and a combination of KOH and CO2 activation for enhancing the CO2 adsorption capacity of gasification biochar."

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10.04.2020

# New Publications

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Williams, Elizabeth K.; et al. 2019: “Effects of 7 Years of Field Weathering on Biochar Recalcitrance and Solubility.”

Williams, Elizabeth K., Davey L. Jones, Hannah R. Sanders, Gabriel V. Benitez, and Alain F. Plante. 2019: “Effects of 7 Years of Field Weathering on Biochar Recalcitrance and Solubility.” Biochar 1 (3): 237–48. https://doi.org/10.1007/s42773-019-00026-1.

"How weathering affects the physiochemical properties of biochar and its long-term carbon (C) sequestration potential remains unclear. In this study, we measured changes in biochar recalcitrance and solubility after 7 years of weathering in a cultivated field."

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09.03.2020

# Media

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Project Drawdown: Review 2020

"Project Drawdown conducts an ongoing review and analysis of climate solutions—the practices and technologies that can stem and begin to reduce the excess of greenhouse gases in our atmosphere—to provide the world with a current and robust resource."

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24.02.2020

# Media

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Blog: Peter Winsley: Economic opportunities for biochar in New Zealand

"New Zealand needs to quickly adapt scientific advances in biochar research, both domestic and international, and apply them to our own opportunities. In doing so, biochar can be a key part of our climate change response, while also lifting our productivity and sustainability."

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27.01.2020

# Political Papers

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Biofuelwatch (2020): What have we learned about biochar since 2011?

Biofuelwatch (2020): What have we learned about biochar since 2011? Update by Rachel Smolker, January 2020.

"What we have concluded from that review is that 1 ) there has been a massive proliferation of studies of biochar over the past several years reflecting a greatly expanded interest and an influx of funding to soil science researchers. 2) There has been a widening of the scope of proclaimed “uses” for biochar – no longer just for carbon sequestration, but now for many other applications including increasing water retention in soils, improving nutrient uptake in agriculture, reducing fertilizer use and reducing emissions from fertilizer applications, use as feed for cattle to reduce methane emissions, and more."

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12.08.2019

# New Publications

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Wu, Z.; et al. (2019): Biochar can mitigate methane emissions by improving methanotrophs for prolonged period in fertilized paddy soils

Wu, Z.; Song, Y.; Shen, H.; Jiang, X.; Li, B.; Xiong, Z. (2019): Biochar can mitigate methane emissions by improving methanotrophs for prolonged period in fertilized paddy soils. In: Environmental Pollution 253, S. 1038–1046. DOI: 10.1016/j.envpol.2019.07.073.

"Biochar application to fertilized paddy soils has been recommended as an effective countermeasure to mitigate methane (CH4) emissions, but its mechanism and effective duration has not yet been adequately elucidated. A laboratory incubation experiment was performed to gain insight into the combined effects of fresh and six-year aged biochar on potential methane oxidation (PMO) in paddy soils with ammonium or nitrate-amendment."

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