Ahtila, S.: search on Z-Library

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1

Can bacterial biofiltration be replaced by autotrophic organisms in recirculating fresh water aquaculture?

Ojanen, Suvi, Tyystjärvi, Esa, Holmberg, Henrik, Kouhia, Mikko, Ahtila, Pekka

Journal:

Aquaculture International

Year:

2017

Language:

english

File:

PDF, 595 KB

english, 2017

2

Techno-economic evaluation of biomass drying in moving beds: The effect of drying kinetics on drying costs

Myllymaa, Tiina, Holmberg, Henrik, Ahtila, Pekka

Journal:

Drying Technology

Year:

2018

Language:

english

File:

PDF, 1.92 MB

english, 2018

3

Determination of the Real Loss of Power for a Condensing and a Backpressure Turbine by Means of Second Law Analysis

Holmberg, Henrik, Ruohonen, Pekka, Ahtila, Pekka

Journal:

Year:

2009

Language:

english

File:

PDF, 193 KB

english, 2009

4

Success factors of energy management in energy-intensive industries: Development priority of energy performance measurement

Leena Sivill, Jussi Manninen, Ilkka Hippinen, Pekka Ahtila

Journal:

International Journal of Energy Research

Year:

2012

Language:

english

File:

PDF, 435 KB

english, 2012

5

Microalgae-utilizing biorefinery concept for pulp and paper industry: Converting secondary streams into value-added products

Kouhia, Mikko, Holmberg, Henrik, Ahtila, Pekka

Journal:

Year:

2015

Language:

english

File:

PDF, 1.15 MB

english, 2015

6

Improving the power-to-heat ratio in CHP plants by means of a biofuel multistage drying system

Jukka-Pekka Spets, Pekka Ahtila

Journal:

Applied Thermal Engineering

Year:

2002

Language:

english

File:

PDF, 367 KB

english, 2002

7

The thermal analysis of a combined heat and power plant undergoing Clausius–Rankine cycle based on the theory of effective heat-absorbing and heat-emitting temperatures

Holmberg, Henrik, Ahtila, Pekka

Journal:

Applied Thermal Engineering

Year:

2014

Language:

english

File:

PDF, 1.69 MB

english, 2014

8

Primary Exergy Efficiency- Effect of System Efficiency Environment to Benefits of Exergy Savings

Laukkanen, Timo P., Kohl, Thomas, Järvinen, Mika P., Ahtila, Pekka

Journal:

Energy and Buildings

Year:

2015

Language:

english

File:

PDF, 636 KB

english, 2015

9

Optimisation model for integration of cooling and heating systems in large industrial plants

Jarmo Söderman, Pekka Ahtila

Journal:

Applied Thermal Engineering

Year:

2010

Language:

english

File:

PDF, 421 KB

english, 2010

10

Reduction of Organic Emissions by Using a Multistage Drying System for Wood-Based Biomasses

Spets, Jukka-Pekka, Ahtila, Pekka

Journal:

Drying Technology

Year:

2004

Language:

english

File:

PDF, 207 KB

english, 2004

11

Variables affecting energy efficiency and CO2 emissions in the steel industry

Sari Siitonen, Mari Tuomaala, Pekka Ahtila

Journal:

Year:

2010

Language:

english

File:

PDF, 372 KB

english, 2010

12

Evaluating municipal energy efficiency in biorefinery integration

Haikonen, Turo, Tuomaala, Mari, Holmberg, Henrik, Ahtila, Pekka

Journal:

Year:

2013

Language:

english

File:

PDF, 525 KB

english, 2013

13

Thermodynamic simulation of dryer section heat recovery in paper machines

L. Sivill, P. Ahtila, M. Taimisto

Journal:

Applied Thermal Engineering

Year:

2005

Language:

english

File:

PDF, 400 KB

english, 2005

14

Analysis of alternative secondary heat uses to improve energy efficiency—case: A Finnish mechanical pulp and paper mill

Pekka Ruohonen, Ilkka Hippinen, Mari Tuomaala, Pekka Ahtila

Journal:

Resources, Conservation and Recycling

Year:

2010

Language:

english

File:

PDF, 1.75 MB

english, 2010

15

Methods on Evaluating Process Intengration Efficiency

Mari Tuomaala, Markku Hurme, Ilkka Hippinen, Pekka Ahtila, Ilkka Turunen

Journal:

Chemie Ingenieur Technik

Year:

2001

Language:

english

File:

PDF, 61 KB

english, 2001

16

Evaluation of energy efficiency in biofuel drying by means of energy and exergy analyses

Henrik Holmberg, Pekka Ahtila

Journal:

Applied Thermal Engineering

Year:

2005

Language:

english

File:

PDF, 348 KB

english, 2005

17

Drying of Activated Sludge Under Partial Vacuum Conditions—An Experimental Study

Hippinen, Ilkka, Ahtila, Pekka

Journal:

Drying Technology

Year:

2004

Language:

english

File:

PDF, 168 KB

english, 2004

18

Evaluation of design objectives in district heating system design

Kouhia, Mikko, Laukkanen, Timo, Holmberg, Henrik, Ahtila, Pekka

Journal:

Year:

2019

Language:

english

File:

PDF, 1.41 MB

english, 2019

19

Porous membrane as a means of gas and nutrient exchange in a tubular photobioreactor

Ojanen, Suvi, Tyystjärvi, Esa, Holmberg, Henrik, Ahtila, Pekka

Journal:

Journal of Applied Phycology

Year:

2015

Language:

english

File:

PDF, 364 KB

english, 2015

20

Upgrading of soot sludge from waste to fuel by means of low temperature drying in fixed beds

Myllymaa, Tiina, Holmberg, Henrik, Arhippainen, Pentti, Ahtila, Pekka

Journal:

Fuel Processing Technology

Year:

2015

Language:

english

File:

PDF, 3.04 MB

english, 2015

21

Comparison of energy efficiency assessment methods: Case Bio-SNG process

Kohl, T., Laukkanen, T., Tuomaala, M., Niskanen, T., Siitonen, S., Järvinen, M.P., Ahtila, P.

Journal:

Year:

2014

Language:

english

File:

PDF, 4.46 MB

english, 2014

22

Investment Evaluation of an Integrated Steel Mill using Multiple Criteria

Kekkonen, Marko, Tuomaala, Mari, Holappa, Lauri, Hurme, Markku, Ahtila, Pekka

Journal:

International Journal of Green Energy

Year:

2006

Language:

english

File:

PDF, 129 KB

english, 2006

23

Analysis of a mechanical pulp and paper mill using advanced composite curves

Pekka Ruohonen, Pekka Ahtila

Journal:

Applied Thermal Engineering

Year:

2010

Language:

english

File:

PDF, 577 KB

english, 2010

24

Allocation of fuel costs and CO2-emissions to heat and power in an industrial CHP plant: Case integrated pulp and paper mill

Henrik Holmberg, Mari Tuomaala, Turo Haikonen, Pekka Ahtila

Journal:

Year:

2012

Language:

english

File:

PDF, 437 KB

english, 2012

25

Dynamic process simulation promotes energy efficient ship design

Lepistö, Vesa, Lappalainen, Jari, Sillanpää, Kari, Ahtila, Pekka

Journal:

Ocean Engineering

Year:

2016

Language:

english

File:

PDF, 2.12 MB

english, 2016

26

Economic Evaluation of Drying of Soot Sludge and Sawdust Mixture at Low Temperatures Using the Characteristic Drying Curve Method

Myllymaa, Tiina, Holmberg, Henrik, Ahtila, Pekka

Journal:

ChemEngineering

Year:

2020

Language:

english

File:

PDF, 2.78 MB

english, 2020

27

District heat network as a short-term energy storage

Kouhia, Mikko, Laukkanen, Timo, Holmberg, Henrik, Ahtila, Pekka

Journal:

Year:

2019

Language:

english

File:

PDF, 1008 KB

english, 2019

28

Comparison of drying costs in biofuel drying between multi- stage and single-stage drying

Henrik Holmberg, Pekka Ahtila

Journal:

Biomass and Bioenergy

Year:

2004

Language:

english

File:

PDF, 336 KB

english, 2004

29

Effect of Entacapone, a COMP Inhibitor, on the Pharmacokinetics and Metabolism of Levodopa After Administration of Controlled-Release Levodopa-Carbidopa in Volunteers

Ahtila, S., Kaakkola, S., Gordin, A., Korpela, K., Heinävaara, S., Karlsson, M., Wikberg, T., Tuomainen, P., Männistö, P. T.

Journal:

Clinical Neuropharmacology

Year:

1995

File:

PDF, 655 KB

1995

30

The influence of operational flexibility on the exploitation of CO2 reduction potential in industrial energy production

Sari Siitonen, Pekka Ahtila

Journal:

Journal of Cleaner Production

Year:

2010

Language:

english

File:

PDF, 524 KB

english, 2010

31

Energy efficiency improvement of dryer section heat recovery systems in paper machines – A case study

Leena Sivill, Pekka Ahtila

Journal:

Applied Thermal Engineering

Year:

2009

Language:

english

File:

PDF, 373 KB

english, 2009

32

Entacapone in combination with standard or controlled-release levodopa/carbidopa: a clinical and pharmacokinetic study in patients with Parkinson's disease

S. Kaakkola, H. Teräväinen, S. Ahtila, M. Karlsson, T. Naukkarinen, H. Rita, A. Gordin

Journal:

European Journal of Neurology

Year:

1995

Language:

english

File:

PDF, 613 KB

english, 1995

33

Experimental Study on Drying of Bark in Fixed Beds

Holmberg, Henrik, Ahtila, Pekka, Ahtila, Olli

Journal:

Drying Technology

Year:

2011

Language:

english

File:

PDF, 1.09 MB

english, 2011

34

Energy analysis of algae-to-biofuel production chains integrated with a combined heat and power plant

Kouhia, Mikko, Holmberg, Henrik, Sonck, Matti, Ahtila, Pekka

Journal:

International Journal of Sustainable Engineering

Year:

2018

Language:

english

File:

PDF, 1.90 MB

english, 2018

35

Simultaneous MAO-B and COMT inhibition in L-dopa-treated patients with parkinson's disease

Dr. Jukka Lyytinen, Seppo Kaakkola, Sirpa Ahtila, Päivi Tuomainen, Heikki Teräväinen

Journal:

Movement Disorders

Year:

1997

Language:

english

File:

PDF, 801 KB

english, 1997

36

Wood Chip Drying in Fixed Beds: Drying Kinetics and Economics of Drying at a Municipal Combined Heat and Power Plant Site

Myllymaa, Tiina, Holmberg, Henrik, Hillamo, Harri, Laajalehto, Tatu, Ahtila, Pekka

Journal:

Drying Technology

Year:

2015

Language:

english

File:

PDF, 989 KB

english, 2015

37

Qualitative analysis of a thermo mechanical pulp and paper mill using advanced composite curves

Pekka Ruohonen, Pekka Ahtila

Journal:

Year:

2011

Language:

english

File:

PDF, 890 KB

english, 2011

38

Implications of process energy efficiency improvements for primary energy consumption and CO2 emissions at the national level

Sari Siitonen, Mari Tuomaala, Markku Suominen, Pekka Ahtila

Journal:

Year:

2010

Language:

english

File:

PDF, 347 KB

english, 2010

39

Simulation Model for the Model-Based Control of a Biofuel Dryer at an Industrial Combined Heat and Power Plant

Holmberg, Henrik, Ahtila, Pekka

Journal:

Drying Technology

Year:

2006

Language:

english

File:

PDF, 1.73 MB

english, 2006

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