Results 11 to 20 of about 70,133 (264)
Insight into the effect of chemical structure for microbial lignite methanation
Heliyon, 2023 The chemical structure of lignite plays a fundamental role in microbial degradation, which can be altered to increase gas production. In this study, the structural changes in lignite were analyzed by conducting pretreatment and biomethane gas production ...
Lin Yang +3 more
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Adsorption behaviors and mechanisms of Cu2+, Zn2+ and Pb2+ by magnetically modified lignite
Scientific Reports, 2022 The study aims to solve the problems of limited capacity and difficult recovery of lignite to adsort Cu2+, Zn2+ and Pb2+ in acid mine wastewater (AMD). Magnetically modified lignite (MML) was prepared by the chemical co-precipitation method.
Junzhen Di +6 more
doaj +1 more source
Microorganisms, 2022 Lignite is an obsolete and less commercially circulated natural resource due to its low calorific value worldwide. The effective conversion of lignite into methane is important considering the global energy crunch.
Akio Ueno +11 more
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Integrated Commercialization Model of Research and Development Project Results
Management Systems in Production Engineering, 2020 The need to undertake research work on the commercialization of results from scientific research and development projects emerged from the Author’s professional experience as well as the incomprehensive literature on the role of Polish research ...
Malec Małgorzata +2 more
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Pore structure evolution during lignite pyrolysis based on nuclear magnetic resonance
Case Studies in Thermal Engineering, 2021 Increasing attention is being paid to the clean and efficient mining and utilization of coal resources. Lignite is a major component of coal; however, its high moisture and volatile contents and low calorific value cause it to have low mining and ...
Weizhen Liu +3 more
doaj +1 more source
Evaluation of the use of lignite of Turkeys’ with biomass as Agricultural waste as fuel in terms of emissions [PDF]
E3S Web of Conferences, 2021 Agricultural wastes as Biomass contains low carbon, high hydrogen, high oxygen and a lower amount of sulfur. Coals contain higher amounts of carbon, lower amounts of hydrogen, lower oxygen and higher amounts of sulfur. With the use of lignite and biomass
Kon Okan, Caner İsmail
doaj +1 more source
Preparation of mercapto modified lignite and its adsorption characteristics for Fe2+, Mn2+
Meitan kexue jishu, 2023 In order to solve the problems of high Fe2+ and Mn2+ content and limited adsorption capacity of lignite in acid mine wastewater (AMD), lignite was selected as the base material and silane coupling agent 3-mercaptopropyl trimethoxy silane (MPTMS) was ...
DI Junzhen, CAO Yang, ZHAO Wenqi
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Calibration of a Commercial Kneader for Rheological Applications
Applied Rheology, 2002 In the case of some highly viscous fluids, or thick pastes (such as those exhibiting high yield stress and/or high plastic viscosity), neither rotational nor tube type viscometers are suitable for rheological characterisation.
Kealy Tim, Tiu Carlos
doaj +1 more source
Biodesulfurization of Cayirhan Lignites
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2006 In this study, the lignite was improved oxidizing sulfur compounds by Thiobacillus thiooxidans and Thiobacillus ferrooxidans bacteria. Experiments in the batch reactors have been carried out 20% aqueous suspension of coal samples. Sugar beet molasses was used as the bacterial substrate.
Gürü, Metin +3 more
openaire +3 more sources
Removal of Boron from aqueous solutions by adsorption using fly ash, zeolite and demineralized lignite [PDF]
, 2009 In the present study for the purpose of removal of boron from water by adsorption using adsorbents like fly ash, natural zeolite and demineralized lignite was investigated.
Yuksel, Seren +3 more
core +2 more sources