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Grietje Zeeman

Researcher at Wageningen University and Research Centre

Publications -  236
Citations -  16327

Grietje Zeeman is an academic researcher from Wageningen University and Research Centre. The author has contributed to research in topics: Anaerobic digestion & Sewage treatment. The author has an hindex of 62, co-authored 234 publications receiving 14579 citations. Previous affiliations of Grietje Zeeman include University of Arizona & Swiss Federal Institute of Aquatic Science and Technology.

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Pretreatments to enhance the digestibility of lignocellulosic biomass

TL;DR: Steam pretreatment, lime pret treatment, liquid hot water pretreatments and ammonia based Pretreatments are concluded to be pretreatment with high potentials, providing an improved accessibility of the cellulose for hydrolytic enzymes.
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A review: the anaerobic treatment of sewage in uasb and egsb reactors

TL;DR: In this paper, the main characteristics of anaerobic sewage treatment are summarized, with special emphasis on the upflow anaerobically sludge blanket (UASB) reactor, with examples from Europe, Asia and the Americas.
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Challenge of psychrophilic anaerobic wastewater treatment

TL;DR: The specific activity of the mesophilic granular sludge was improved under psychrophilic conditions, which indicates that there was growth and enrichment of methanogens and acetogens in the anaerobic system.
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The role of sludge retention time in the hydrolysis and acidification of lipids, carbohydrates and proteins during digestion of primary sludge in CSTR systems

TL;DR: The effect of the sludge retention time (SRT) between 3 and 15 days, on hydrolysis, acidification and methanogenesis of domestic sewage was researched by simulating aSludge bed segment of an upflow anaerobic sludge bed (UASB) system as a completely stirred tank reactor (CSTR).
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Ammonium recovery and energy production from urine by a microbial fuel cell

TL;DR: Ammonium recovery and simultaneous energy production from urine was proven possible by this novel approach to simultaneously produce energy and recover ammonium.