Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Bernd Wittgens"'
Autor:
Matteo Gilardi, Filippo Bisotti, Olaf Trygve Berglihn, Theresa Ruecker, Thomas Brueck, Bernd Wittgens
Publikováno v:
Chemical Engineering Transactions, Vol 109 (2024)
The progressive request for replacing fossil fuels and net-zero emissions by 2050 is forcing a change in the current paradigm and economy. Bioprocesses offer a significant alternative to conventional refineries, as they convert biomass into valuable
Externí odkaz:
https://doaj.org/article/aeb6b2f14d66425393a17ce5eb2727f4
Autor:
Electra Papadopoulou, Theresa Rücker, Zoe Nikolaidou, Sotirios Kountouras, Themistoklis Sevastiadis, Torbjørn Pettersen, Bernd Wittgens
Publikováno v:
Sustainable Chemistry for the Environment, Vol 4, Iss , Pp 100049- (2023)
In achieving the European Union's goal of making Europe the first climate-neutral continent by 2050, the scientific community is striving to develop processes and products that are technologically and economically sustainable to replace/substitute fo
Externí odkaz:
https://doaj.org/article/cf8f7a1c4f304d0e83a545318b628788
Autor:
Sibashish Baksi, Sudeshna Saha, Cansu Birgen, Ujjaini Sarkar, Heinz A Preisig, Sidsel Markussen, Bernd Wittgens, Alexander Wentzel
Publikováno v:
Journal of Natural Fibers, Vol 16, Iss 5, Pp 662-676 (2019)
Lignocellulose materials, essentially consisting of lignin, cellulose and hemicelluloses, are abundant sources of fermentable sugars. The bast fiber of Crotalaria juncea (Sunn hemp), a native cover crop of India, was used as feedstock for this study.
Externí odkaz:
https://doaj.org/article/aa766c8ed11b44ab8a73110f642ca3c1
Autor:
Bernd Wittgens, Sigurd Skogestad
Publikováno v:
Modeling, Identification and Control, Vol 21, Iss 2, Pp 83-103 (2000)
The flow dynamics (tray hydraulics) are of key importance for the initial dynamic response of distillation columns. The most important parameters are the liquid holdup, the liquid hydraulic time constant and the vapor constant representing the initia
Externí odkaz:
https://doaj.org/article/3162b7ae6a964fd29bda0415c9269c17
Publikováno v:
The Minerals, Metals & Materials Series ISBN: 9783031225314
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cbbc3d78dd80aad811797137485db87
https://doi.org/10.1007/978-3-031-22532-1_90
https://doi.org/10.1007/978-3-031-22532-1_90
Publikováno v:
International Journal of Greenhouse Gas Control
A novel concept for online monitoring of nitrosamines, solvent amines and their degradation products in amine absorber emissions to air was demonstrated at the Tiller CO2-lab pilot facility. The monitoring concept is based on SINTEF patent No. PCT/EP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f1b19902a85d89c98f1db8de2cbf17e
https://doi.org/10.2139/ssrn.3820420
https://doi.org/10.2139/ssrn.3820420
Autor:
Anna Trubetskaya, James J. Leahy, Robert Johnson, Anders Brunsvik, Rory F.D. Monaghan, Vitaliy L. Budarin, Yinglei Han, Andrezza S. Ramos, Bernd Wittgens, Italo Pisano
Publikováno v:
Fuel
The advance in analytical methodology is critical for progress in 1) biorefinery and 2) torrefaction product commercialization. The chemical characterisation of torrefaction liquid and concentrated tar produced by Arigna Fuels’ pyrolysis plant allo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a0504b851e59515d16b1924dc43eb8a
Autor:
Akash K. Ball, Sudeshna Saha, Sidsel Markussen, Alexander Wentzel, Cansu Birgen, Bernd Wittgens, Sibashish Baksi, Ujjaini Sarkar, Heinz A. Preisig, Jagdish Chandra Kuniyal
Publikováno v:
Chemical Engineering and Processing
Delignification of lignocellulosic biomass by alkaline peroxide pre-treatment is a preliminary important step for an overall biomass fractionation process. In the present work, saw dusts are pre-treated by aqueous alkaline peroxide solution under dif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04a72d84b7757c24613c28e59a68019d
https://hdl.handle.net/11250/2688929
https://hdl.handle.net/11250/2688929
The attainable region concept employs a computational/geometrical procedure for deter-mining the boundaries of the region that include all possible products for a given feed condition and reactor network configuration (Milne et al., 2004). We used li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4eb564d4217825e52ecfcdeef3e319fa
Autor:
Sudeshna Saha, Cansu Birgen, Bernd Wittgens, Ujjaini Sarkar, Heinz A. Preisig, Sidsel Markussen, Alexander Wentzel, Sibashish Baksi, Anindita Ganguly
EcoLodge aims at providing a proof-of-concept for a new, integrated biotechnological production process for C8 ester butyl butyrate, a promising supplement/substitute for diesel and jet engine fuels, from lignocellulose derived C5 and C6 sugars. Buta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ab379fd807dd2540a7e96cc4f5bf8dc
https://doi.org/10.1016/b978-0-444-63428-3.50101-6
https://doi.org/10.1016/b978-0-444-63428-3.50101-6