Konrad Koch
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View article: Multi-stage model predictive control of agricultural anaerobic digestion plant with uncertain substrate characterization
Multi-stage model predictive control of agricultural anaerobic digestion plant with uncertain substrate characterization Open
Revenues of anaerobic digestion (AD) plants can be increased by generating biogas and electricity on demand or through biogas upgrading. However, suitable control procedures for individual applications are required to guarantee optimal pro…
View article: Assessment of trace organic chemicals in anaerobically digested sludge and their partitioning behaviour: Simultaneous Soxhlet chemical extraction and quantification via LC-MS/MS analysis
Assessment of trace organic chemicals in anaerobically digested sludge and their partitioning behaviour: Simultaneous Soxhlet chemical extraction and quantification via LC-MS/MS analysis Open
The increasing number of trace organic contaminants (TrOCs) detected in anaerobically digested sludge (ADS) is triggering increasing concern on its circular-economy reuse practices. A large scientific effort has been performed to define th…
View article: The intriguing effect of CO2 enrichment in anaerobic digestion
The intriguing effect of CO2 enrichment in anaerobic digestion Open
This study explores carbon dioxide enrichment in anaerobic digestion to boost biomethane production and assess degradation kinetics and methanogenic pathway evolution. Carbon dioxide enrichment was found to improve inoculum digestion, supp…
View article: The ambivalent role of graphene oxide in anaerobic digestion: A review
The ambivalent role of graphene oxide in anaerobic digestion: A review Open
The capability of graphene oxide (GO) to enhance direct interspecies electron transfer (DIET) and improve anaerobic digestion (AD) performance is gaining attention in AD literature. The present review discusses the implications of GO and i…
View article: Effect of pyrolysis temperature on the physiochemical properties of biochar and its potential use in anaerobic digestion: A critical review
Effect of pyrolysis temperature on the physiochemical properties of biochar and its potential use in anaerobic digestion: A critical review Open
A comprehensive study was conducted to assess the influence of pyrolysis temperature (PyT) on the properties of biochar (BC) and its potential application in anaerobic digestion (AD). PyT is an essential parameter for effectively utilizing…
View article: MiDAS 5: Global diversity of bacteria and archaea in anaerobic digesters
MiDAS 5: Global diversity of bacteria and archaea in anaerobic digesters Open
Anaerobic digestion represents a key biotechnology for the transformation of organic waste into renewable energy (biogas) and relies on complex microbial communities that work in concert to degrade the complex substrates into methane and c…
View article: Improved Recovery of Overloaded Anaerobic Batch Reactors by Graphene Oxide
Improved Recovery of Overloaded Anaerobic Batch Reactors by Graphene Oxide Open
Anaerobic digestion reactors may suffer from acidification when overloading occurs. Carbon-based materials are amended to mitigate the souring effects of excessive loading. This study aims to test if graphene oxide (GO) helps overloaded an…
View article: Co-digestion of sewage sludge and food waste in a wastewater treatment plant based on mainstream anaerobic membrane bioreactor technology: A techno-economic evaluation
Co-digestion of sewage sludge and food waste in a wastewater treatment plant based on mainstream anaerobic membrane bioreactor technology: A techno-economic evaluation Open
The implementation of anaerobic membrane bioreactor as mainstream technology would reduce the load of sidestream anaerobic digesters. This research evaluated the techno-economic implications of co-digesting sewage sludge and food waste in …
View article: Towards a standardization of biomethane potential tests: a commentary
Towards a standardization of biomethane potential tests: a commentary Open
Inter-laboratory reproducibility of biomethane potential (BMP) is dismal, with differences in BMP values for the same sample exceeding a factor of two in some cases. A large group of BMP researchers directly addressed this problem during a…
View article: Improving Inter-Laboratory Reproducibility in Measurement of Biochemical Methane Potential (BMP)
Improving Inter-Laboratory Reproducibility in Measurement of Biochemical Methane Potential (BMP) Open
Biochemical methane potential (BMP) tests used to determine the ultimate methane yield of organic substrates are not sufficiently standardized to ensure reproducibility among laboratories. In this contribution, a standardized BMP protocol …