Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Henrik Tolvanen"'
The current study evaluates a decentralized biorefinery's economic and environmental performance, which uses two-step pyrolysis for converting rice and wheat straw to bio-oil and biochar. The biorefinery was located in Punjab (India), where open burn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab58b674863ddb8a2543c3b3cc56a2ca
https://trepo.tuni.fi/handle/10024/141508
https://trepo.tuni.fi/handle/10024/141508
Autor:
Anubhuti Bhatnagar, Abhishek Singhal, Henrik Tolvanen, Kati Valtonen, Tero Joronen, Jukka Konttinen
Publikováno v:
Waste management (New York, N.Y.). 138
This study investigated biomass blending and water washing to improve product quality from two-step pyrolysis of rice straw. Rice straw (RS) was mixed with groundnut shells (GNS) and wheat straw (WS) in different weight ratios. Blending RS with GNS/W
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ab137eb24700abeb7903aad764e2be2
https://pubmed.ncbi.nlm.nih.gov/34922304
https://pubmed.ncbi.nlm.nih.gov/34922304
Publikováno v:
Biomass and Bioenergy. 120:40-48
This article presents the economics of a bio-based CaC2/C2H2 production concept plant. The aim of the research was to study if renewable CaC2/C2H2 production could be competitive in comparison with current technologies. The starting point was to inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecbabaeefb4042ed8943c5d80dece528
https://doi.org/10.1016/j.biombioe.2018.10.020
https://doi.org/10.1016/j.biombioe.2018.10.020
Autor:
Niko P. Niemelä, Hartmut Spliethoff, Thorben de Riese, Tero Joronen, Richard Nowak Delgado, Henrik Tolvanen, Sebastian Fendt
Low-grade biomass feedstocks are sustainable alternatives for pulverized fuel applications in the energy industry. Adverse fuel properties can make their adoption challenging due to operational issues such as flame ignition problems and high emission
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a81ca4f5d4e26944a88c590683acffb
https://trepo.tuni.fi/handle/10024/127708
https://trepo.tuni.fi/handle/10024/127708
Publikováno v:
Waste management (New York, N.Y.). 118
This paper compares the yield and composition of bio-oil derived through stepwise and continuous pyrolysis of agro-residues. The temperature steps were selected using thermogravimetric analysis. Groundnut shell, empty fruit bunch pellets, and rice st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4964c95b94b1bc88ef8708c55356f7c6
https://pubmed.ncbi.nlm.nih.gov/33011544
https://pubmed.ncbi.nlm.nih.gov/33011544
Autor:
Jukka Rintala, Ramasamy Praveenkumar, Henrik Tolvanen, Jukka Konttinen, Tharaka Rama Krishna C. Doddapaneni
Publikováno v:
Applied Energy. 213:272-284
In recent days, the interest on torrefaction is increasing owing to its ability to improve biomass properties to a level of competing with coal. However, its techno-economic feasibility still need to be optimized. Integrating torrefaction with other
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28391306aae6f7728c03695dd81d4cd4
https://doi.org/10.1016/j.apenergy.2018.01.045
https://doi.org/10.1016/j.apenergy.2018.01.045
Publikováno v:
Energy Conversion and Management. 159:264-273
This study is a comparative analysis of hydrogen production costs in current and potential future market environments. The economic feasibility of hydrogen production by thermal decomposition of methane was compared to two other technologies, namely
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8285cdd26300a5a6bfcd3366a363552a
https://doi.org/10.1016/j.enconman.2017.12.063
https://doi.org/10.1016/j.enconman.2017.12.063
Techno-economic analysis of a power to biogas system operated based on fluctuating electricity price
Publikováno v:
Renewable Energy. 117:166-174
This article presents a feasibility analysis of a novel operating principle based on fluctuating electricity prices for an existing biogas plant. By investing in an electrolyzer, excess electricity from renewable production can be stored as CH4 by bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1273b9364b83d53dc9810cfd506c5a56
https://doi.org/10.1016/j.renene.2017.10.031
https://doi.org/10.1016/j.renene.2017.10.031
Publikováno v:
Journal of Analytical and Applied Pyrolysis. 157:105219
Bio-oil obtained from crop residues is unstable because of multiple reactive oxygenated compounds and alkali and alkaline earth metals (AAEMs), which hinder its use as a chemical feedstock. In the current study, stepwise pyrolysis of groundnut shells
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a8560668e8a52f2227763c9f3ba5162
https://doi.org/10.1016/j.jaap.2021.105219
https://doi.org/10.1016/j.jaap.2021.105219
Publikováno v:
Energy. 135:823-832
In this work, thermal decomposition of methane (TDM) was experimentally studied at nominal gas temperatures of 1070 K–1450 K in a non-catalytic laboratory test reactor. The purpose was to use a simple kinetic mechanism to describe the TDM reaction,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c4bdb399cbd4bdb4fb6e149a48e4d8b
https://doi.org/10.1016/j.energy.2017.06.176
https://doi.org/10.1016/j.energy.2017.06.176