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Drying Technology, ISSN 0737-3937, 07/2019, Volume 37, Issue 10, pp. 1201 - 1214
Drying woody biomass holds the potential to improve the energy efficiency of certain processes, such as in CHP plants. Drying can also be a necessary unit... 
annuity method | excess heat | belt dryer | woody biomass | Annual drying costs
Journal Article
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 2010, Volume 30, Issue 6, pp. 649 - 657
In this study a mechanical pulp and paper mill is analysed using advanced composite curves. It is a graphical pinch-based approach that takes into account the... 
Energy efficiency | Heat recovery | Integrated pulp and paper mill | MECHANICS | THERMODYNAMICS | ENERGY & FUELS | ENGINEERING, MECHANICAL | Pulp industry | Paper mills | Analysis | Paper industry | Networks | Utilities | Thermal engineering | Retrofitting | Mills | Paper | Heat exchangers
Journal Article
Entropy, ISSN 1099-4300, 12/2009, Volume 11, Issue 4, pp. 702 - 712
...  Entropy 2009, 11, 702-712; doi:10.3390/e11040702 Article Henrik Holmberg *, Pekka Ruohonen and Pekka Ahtila Helsinki University of Technology, Department... 
Entropy generation rate | Exergy | Gouy-Stodola law | Effective temperature | effective temperature | FLOW SYSTEMS | PHYSICS, MULTIDISCIPLINARY | exergy | EXERGY ANALYSIS | entropy generation rate
Journal Article
Journal of Applied Phycology, ISSN 0921-8971, 6/2015, Volume 27, Issue 3, pp. 1169 - 1175
...Porous membrane as a means of gas and nutrient exchange in a tubular photobioreactor Suvi Ojanen & Esa Tyystjärvi & Henrik Holmberg & Pekka Ahtila Received: 14... 
Life Sciences | Oxygen | Porous membrane | Freshwater & Marine Ecology | Nutrients | Plant Physiology | Ecology | Tubular photobioreactor | Diffusion | Plant Sciences | MICROALGAE | REMOVAL | BIOTECHNOLOGY & APPLIED MICROBIOLOGY | MARINE & FRESHWATER BIOLOGY | DISSOLVED-OXYGEN | MASS-TRANSFER | ACCUMULATION | CARBON-DIOXIDE | ALGAL CULTURES | Plant physiology | Analysis | Greenhouse effect
Journal Article
International Journal of Energy Research, ISSN 0363-907X, 06/2013, Volume 37, Issue 8, pp. 936 - 951
Journal Article
Fuel Processing Technology, ISSN 0378-3820, 10/2015, Volume 138, pp. 509 - 519
Soot sludge is formed in the production of formic acid. Currently, this waste is combusted together with heavy fuel oil in a boiler. The current theoretical... 
Heavy fuel oil gasification | Waste utilization | Energy efficiency | Carbon black | Waste heat | PAPER SLUDGE | SEWAGE-SLUDGE | ENERGY & FUELS | ACTIVATED-SLUDGE | PULP | RESIDUAL SLUDGE | ENGINEERING, CHEMICAL | HEAT | WATER SLUDGE | KINETICS | MASS-TRANSFER | CHEMISTRY, APPLIED | DRYER | Sludge | Fuel oil | Formic acid | Organic acids | Fixed beds | Calorific value | Drying oils | Soot | Fuels | Sawdust | Drying
Journal Article
Energy Policy, ISSN 0301-4215, 05/2010, Volume 38, Issue 5, pp. 2477 - 2485
Specific energy consumption (SEC) is an energy efficiency indicator widely used in industry for measuring the energy efficiency of different processes. In this... 
emissions | Energy efficiency | Specific energy consumption | CARBON-DIOXIDE EMISSIONS | ENVIRONMENTAL SCIENCES | CO2 emissions | INDICATORS | ENERGY & FUELS | IRON | ENVIRONMENTAL STUDIES | CONSUMPTION | Energy efficiency Specific energy consumption CO2 emissions
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 09/2014, Volume 70, Issue 1, pp. 977 - 987
In a combined heat and power plant (CHP plant), heat and power are produced simultaneously in the same power plant process. The CHP technology reduces total... 
Power loss | Exergy loss | Entropy generation rate | Co-generation plant | CHP plant | COMBUSTION | ENERGY & FUELS | ENGINEERING, MECHANICAL | COGENERATION | MECHANICS | THERMODYNAMICS | TURBINE | EXERGY ANALYSIS | SYSTEMS | Cogeneration power plants | Analysis | Electric power plants | Electric power generation | Law | CHP | Entropy | Exergy | Combined heat and power | Power plants
Journal Article
Applied Energy, ISSN 0306-2619, 2010, Volume 87, Issue 9, pp. 2928 - 2937
The improvement of energy efficiency is seen as one of the most promising measures for reducing global CO emissions. However, the emission reduction potential... 
System boundary | Energy efficiency | ENGINEERING, CHEMICAL | CO2 emissions | ENERGY & FUELS | Energy efficiency System boundary CO2 emissions
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 2009, Volume 29, Issue 17, pp. 3663 - 3668
Journal Article
Algal Research, ISSN 2211-9264, 07/2015, Volume 10, pp. 41 - 47
Traditional pulp and paper industry is in transition due to increased competition and changes in consumption habits. Advanced biorefining is seen as one option... 
Mass balance | Biogas | Biorefinery | Microalgae | Process integration | Fertilizer | NANNOCHLOROPSIS SP | LIPID COMPONENTS | ANAEROBIC-DIGESTION | EXTRACTION SOLVENT SYSTEM | CO2 EMISSIONS | BIOTECHNOLOGY & APPLIED MICROBIOLOGY | BIOMASS | BIODIESEL | CARBON-DIOXIDE | CULTIVATION | BLACK LIQUOR
Journal Article
Journal Article
Drying Technology, ISSN 0737-3937, 01/2015, Volume 33, Issue 2, pp. 205 - 215
Drying of wood chips at a power plant site increases the lower heating value and decreases composting and dry matter losses in long-term storage. In this... 
Drying curve | Energy efficiency | Solar drying | Excess heat | ENGINEERING, CHEMICAL | BIOMASS | OPTIMIZATION | DRYER | ENGINEERING, MECHANICAL | Economics | Wood chips | CHP | Driers | Combined heat and power | Inlets | Power plants | Drying
Journal Article
Journal of Cleaner Production, ISSN 0959-6526, 06/2010, Volume 18, Issue 9, pp. 867 - 874
Energy conservation is a key measure for reducing CO2 emissions. However, realising the emission reduction potential of an energy conservation investment... 
Economic analysis | Energy efficiency | CO2 emissions | Flexibility | emissions | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | ENVIRONMENTAL SCIENCES | METHODOLOGY | ENGINEERING, ENVIRONMENTAL | OPTIMIZATION
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 2005, Volume 25, Issue 17, pp. 3115 - 3128
The calculation of heat consumption is based on the First Law and it gives quantitative information about the energy used in drying. However, it does not pay... 
Single-stage-drying | Recycling | Multi-stage-drying | Irreversibility rate | Heat consumption | PLANT | ENERGY & FUELS | multi-stage-drying | recycling | heat consumption | SUPERHEATED STEAM | irreversibility rate | ENGINEERING, MECHANICAL | single-stage-drying | HEAT | MECHANICS | THERMODYNAMICS | DRYER | Energy efficiency | Energy use | Energy management systems | Paper mills | Analysis
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 2010, Volume 30, Issue 1, pp. 15 - 22
Large industrial plants have often hundreds of heating and cooling heat exchangers. A common situation is that cooling demands of the processes are satisfied... 
Design | Optimisation | Industrial cooling systems | ENERGY | WASTE | MECHANICS | THERMODYNAMICS | EXCHANGER NETWORK SYNTHESIS | ENERGY & FUELS | ENGINEERING, MECHANICAL | Electric power production | Heating, ventilation, and air conditioning industry | Mathematical optimization | Analysis | HVAC equipment
Journal Article
Biomass and Bioenergy, ISSN 0961-9534, 2004, Volume 26, Issue 6, pp. 515 - 530
The moisture content of wood-based biofuels (bark, forest residues, and waste wood) used by the forest industry typically varies between 50 and 63 w -%. The... 
Multi-stage drying | Drying costs | Single-stage drying | Biofuel | AGRICULTURAL ENGINEERING | drying costs | biofuel | BIOTECHNOLOGY & APPLIED MICROBIOLOGY | ENERGY & FUELS | multi-stage drying | single-stage drying
Journal Article
Energy, ISSN 0360-5442, 06/2019, Volume 177, pp. 293 - 303
In this article, we show how a revised district heat network control strategy can be employed to utilize the storage capabilities of the network. An... 
District heat | Combined heat and power | Optimization | Energy storage | THERMAL INERTIA | SYSTEM | OPTIMAL OPERATION | POWER-TO-HEAT | PUMPS | ENERGY & FUELS | FLEXIBILITY | TECHNOLOGIES | THERMODYNAMICS | INTEGRATION | FACILITATE | Heat generation | Heat sources | Temperature | Heat | Heat storage | Operating costs | Network control
Journal Article
Drying Technology, ISSN 0737-3937, 01/2004, Volume 22, Issue 3, pp. 541 - 561
Organic emissions during the thermal drying process are strongly dependent on the drying temperature. In the traditional single stage drying system, the inlet... 
Combined heat and power production | Organic emissions | Biomass drying | Multistage drying system | organic emissions | ENGINEERING, CHEMICAL | VOCS | biomass drying | TEMPERATURE | PONDEROSA PINE LUMBER | combined heat and power production | RELEASE | DRYER | ENGINEERING, MECHANICAL | multistage drying system
Journal Article
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