Chain elongation with reactor microbiomes: open-culture biotechnology to produce biochemicals

LT Angenent, H Richter, W Buckel… - … science & technology, 2016 - ACS Publications
Chain elongation into medium-chain carboxylates, such as n-caproate and n-caprylate, with
ethanol as an electron donor and with open cultures of microbial consortia (ie, reactor …

Chain elongation in anaerobic reactor microbiomes to recover resources from waste

CM Spirito, H Richter, K Rabaey, AJM Stams… - Current opinion in …, 2014 - Elsevier
Highlights•Homoacetogenesis, succinate formation, and reverse β oxidation pathways.•
Applications of these pathways to treat wastes in reactor microbiomes.•The use of electrodes …

Temperature-phased conversion of acid whey waste into medium-chain carboxylic acids via lactic acid: no external e-donor

J Xu, J Hao, JJL Guzman, CM Spirito, LA Harroff… - Joule, 2018 - cell.com
Acid whey is a Greek-yogurt waste stream and can be a resource to produce biofuel
precursors. Our objective was to convert acid whey into medium-chain carboxylic acid …

Inactivation of pathogens in anaerobic digestion systems for converting biowastes to bioenergy: a review

Y Jiang, SH Xie, C Dennehy, PG Lawlor, ZH Hu… - … and Sustainable Energy …, 2020 - Elsevier
Biosafety of digestate remains one of the major concerns for anaerobic digestion, which
affects the downstream management and may determine the success of anaerobic …

Significant enhancement by biochar of caproate production via chain elongation

Y Liu, P He, L Shao, H Zhang, F Lü - Water research, 2017 - Elsevier
In this study, biochar was introduced into a chain elongation system to enhance the
bioproduction of caproate and caprylate. The concentration of caproate increased to 21.1 …

A Narrow pH Range Supports Butanol, Hexanol, and Octanol Production from Syngas in a Continuous Co-culture of Clostridium ljungdahlii and Clostridium kluyveri …

H Richter, B Molitor, M Diender, DZ Sousa… - Frontiers in …, 2016 - frontiersin.org
Carboxydotrophic bacteria (CTB) have received attention due to their ability to synthesize
commodity chemicals from producer gas and synthesis gas (syngas). CTB have an …

Waste Conversion into n-Caprylate and n-Caproate: Resource Recovery from Wine Lees Using Anaerobic Reactor Microbiomes and In-line Extraction

LA Kucek, J Xu, M Nguyen, LT Angenent - Frontiers in Microbiology, 2016 - frontiersin.org
To convert wastes into sustainable liquid fuels and chemicals, new resource recovery
technologies are required. Chain elongation is a carboxylate-platform bioprocess that …

High n-caprylate productivities and specificities from dilute ethanol and acetate: chain elongation with microbiomes to upgrade products from syngas fermentation

LA Kucek, CM Spirito, LT Angenent - Energy & Environmental Science, 2016 - pubs.rsc.org
Past studies on chain elongation by reactor microbiomes have shown promising
productivities and specificities of n-caproate, which is a six-carbon (C6) medium-chain …

Biological caproate production by Clostridium kluyveri from ethanol and acetate as carbon sources

Y Yin, Y Zhang, DB Karakashev, J Wang… - Bioresource …, 2017 - Elsevier
Caproate is a valuable industrial product and chemical precursor. In this study, batch tests
were conducted to investigate the fermentative caproate production through chain …

Persistent Ascaris Transmission Is Possible in Urban Areas Even Where Sanitation Coverage Is High

D Capone, T Barker, O Cumming… - … science & technology, 2022 - ACS Publications
In low-income, urban, informal communities lacking sewerage and solid waste services,
onsite sanitation (sludges, aqueous effluent) and child feces are potential sources of human …