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1

Electronic waste recovery in Finland: Consumers’ perceptions towards recycling and re-use of mobile phones

Ylä-Mella, Jenni, Keiski, Riitta L., Pongrácz, Eva

Journal:

Waste Management

Year:

2015

Language:

english

File:

PDF, 319 KB

english, 2015

2

Development and verification of a simulation model for a non-isothermal water-gas shift reactor

Riitta L. Keiski, Tapio Salmi, Veikko J. Pohjola

Journal:

The Chemical Engineering Journal

Year:

1992

Language:

english

File:

PDF, 1.40 MB

english, 1992

3

Purification techniques for the recovery of valuable compounds from acid mine drainage and cyanide tailings: application of green engineering principles

García, Verónica, Häyrynen, Piia, Landaburu-Aguirre, Junkal, Pirilä, Minna, Keiski, Riitta L., Urtiaga, Ane

Journal:

Journal of Chemical Technology & Biotechnology

Year:

2014

Language:

english

File:

PDF, 213 KB

english, 2014

4

Formaldehyde production from methanol and methyl mercaptan over titania and vanadia based catalysts

Niina Koivikko, Tiina Laitinen, Satu Ojala, Satu Pitkäaho, Alexei Kucherov, Riitta L. Keiski

Journal:

Applied Catalysis B: Environmental

Year:

2011

Language:

english

File:

PDF, 385 KB

english, 2011

5

Applicability of membrane technologies for the removal of heavy metals

Junkal Landaburu-Aguirre, Verónica García, Eva Pongrácz, Riitta Keiski

Journal:

Year:

2006

Language:

english

File:

PDF, 71 KB

english, 2006

6

The removal of zinc from synthetic wastewaters by micellar-enhanced ultrafiltration: statistical design of experiments

Junkal Landaburu-Aguirre, Verónica García, Eva Pongrácz, Riitta L. Keiski

Journal:

Year:

2009

Language:

english

File:

PDF, 277 KB

english, 2009

7

Concentration of ammonium and nitrate from mine water by reverse osmosis and nanofiltration

Katri Häyrynen, Eva Pongrácz, Virpi Väisänen, Nora Pap, Mika Mänttäri, Jörg Langwaldt, Riitta Liisa Keiski

Journal:

Year:

2009

Language:

english

File:

PDF, 358 KB

english, 2009

8

Challenges in biobutanol production: How to improve the efficiency?

Verónica García, Johanna Päkkilä, Heikki Ojamo, Esa Muurinen, Riitta L. Keiski

Journal:

Renewable and Sustainable Energy Reviews

Year:

2011

Language:

english

File:

PDF, 420 KB

english, 2011

9

Heavy metals in flue gas cleaning residue

Risto Pöykiö, Hannu Nurmesniemi, Riitta L. Keiski

Journal:

Environmental Chemistry Letters

Year:

2010

Language:

english

File:

PDF, 164 KB

english, 2010

10

Nanogold-Containing Catalysts for Low-Temperature Removal of S-VOC from Air

Alexei V. Kucherov, Olga P. Tkachenko, Olga A. Kirichenko, Gennady I. Kapustin, Igor V. Mishin, Konstantin V. Klementiev, Satu Ojala, Leonid M. Kustov, Riitta Keiski

Journal:

Topics in Catalysis

Year:

2009

Language:

english

File:

PDF, 565 KB

english, 2009

11

Evaluation of the anti-fouling properties of nm thick atmospheric plasma deposited coatings

Denis P. Dowling, Charles E. Nwankire, Markus Riihimäki, Riitta Keiski, Ulf Nylén

Journal:

Surface and Coatings Technology

Year:

2010

Language:

english

File:

PDF, 1.29 MB

english, 2010

12

Separation of nutrients from mine water by reverse osmosis for subsequent biological treatment

Katri Häyrynen, Jörg Langwaldt, Eva Pongrácz, Virpi Väisänen, Mika Mänttäri, Riitta L. Keiski

Journal:

Minerals Engineering

Year:

2008

Language:

english

File:

PDF, 148 KB

english, 2008

13

Effect of reducing grinding conditions on the flotation behaviour of low-S content PGE ores

Miettunen, Heikki, Kaukonen, Risto, Corin, Kirsten, Ojala, Satu, Keiski, Riitta L.

Journal:

Minerals Engineering

Year:

2012

Language:

english

File:

PDF, 901 KB

english, 2012

14

Pervaporation recovery of [AMIM]Cl during wood dissolution; effect of [AMIM]Cl properties on the membrane performance

García, Verónica, Valkama, Hanna, Sliz, Rafal, King, Alistair W.T., Myllylä, Risto, Kilpeläinen, Ilkka, Keiski, Riitta L.

Journal:

Journal of Membrane Science

Year:

2013

Language:

english

File:

PDF, 715 KB

english, 2013

15

Ethylene Oxide Formation in a Microreactor: From Qualitative Kinetics to Detailed Modeling

Carucci, José R. Hernández, Halonen, Ville, Eränen, Kari, Wärnå, Johan, Ojala, Satu, Huuhtanen, Mika, Keiski, Riitta, Salmi, Tapio

Journal:

Industrial & Engineering Chemistry Research

Year:

2010

Language:

english

File:

PDF, 2.39 MB

english, 2010

16

Combining a molecular modelling approach with direct current and high power impulse magnetron sputtering to develop new TiO2 thin films for antifouling applications

Guillot, Jérôme, Lecoq, Elodie, Duday, David, Puhakka, Eini, Riihimäki, Markus, Keiski, Riitta, Chemin, Jean-Baptiste, Choquet, Patrick

Journal:

Applied Surface Science

Year:

2015

Language:

english

File:

PDF, 543 KB

english, 2015

17

WITHDRAWN: Evaluation of the anti-fouling properties of nm thick atmospheric plasma deposited coatings

Dowling, Denis P., Nwankire, Charles E., Riihimäki, Markus, Keiski, Riitta, Nylén, Ulf

Journal:

Thin Solid Films

Year:

2010

File:

PDF, 30 KB

2010

18

Regeneration of sulfur-poisoned Pd-based catalyst for natural gas oxidation

Honkanen, Mari, Wang, Jianguang, Kärkkäinen, Marja, Huuhtanen, Mika, Jiang, Hua, Kallinen, Kauko, Keiski, Riitta L., Akola, Jaakko, Vippola, Minnamari

Journal:

Journal of Catalysis

Year:

2018

Language:

english

File:

PDF, 6.11 MB

english, 2018

19

Steam activation of waste biomass: highly microporous carbon, optimization of bisphenol A, and diuron adsorption by response surface methodology

Zbair, Mohamed, Ainassaari, Kaisu, El Assal, Zouhair, Ojala, Satu, El Ouahedy, Nadia, Keiski, Riitta L., Bensitel, Mohammed, Brahmi, Rachid

Journal:

Environmental Science and Pollution Research

Year:

2018

Language:

english

File:

PDF, 3.13 MB

english, 2018

20

Biochar based on residual biomasses and its influence over seedling emergence and growth in vivarium of Capparis scabrida (Sapote)

Herrera, Eber, Feijoo, Cesar, Alfaro, Rubén, Solís, José, Gómez, Mónica, Keiski, Riitta, Cruz, Gerardo

Journal:

Scientia Agropecuaria

Year:

2018

File:

PDF, 928 KB

2018

21

Recycling and substitution of light rare earth elements, cerium, lanthanum, neodymium, and praseodymium from end-of-life applications - A review

Omodara, Linda, Pitkäaho, Satu, Turpeinen, Esa-Matti, Saavalainen, Paula, Oravisjärvi, Kati, Keiski, Riitta L.

Journal:

Journal of Cleaner Production

Year:

2019

Language:

english

File:

PDF, 803 KB

english, 2019

22

Separation and concentration of bilberry impact aroma compound from dilute model solution by pervaporation

Verónica García, Nazely Diban, Daniel Gorri, Riitta Keiski, Ane Urtiaga, Inmaculada Ortiz

Journal:

Journal of Chemical Technology & Biotechnology

Year:

2008

Language:

english

File:

PDF, 180 KB

english, 2008

23

Porosity and surface area of acid-leached phlogopite: The effect of leaching conditions and thermal treatment

Matti A. Härkönen, Riitta L. Keiski

Journal:

Colloids and Surfaces

Year:

1984

Language:

english

File:

PDF, 1.02 MB

english, 1984

24

The effect of barium on the catalytic behaviour of fresh and aged Pd-Ba-OSC/Al2O3 catalysts

Tanja Kolli, Ulla Lassi, Katariina Rahkamaa-Tolonen, Toni-J.J. Kinnunen, Riitta L. Keiski

Journal:

Applied Catalysis A: General

Year:

2006

Language:

english

File:

PDF, 422 KB

english, 2006

25

Oxidation of dichloromethane and perchloroethylene as single compounds and in mixtures

Satu Pitkäaho, Satu Ojala, Teuvo Maunula, Auli Savimäki, Toni Kinnunen, Riitta L. Keiski

Journal:

Applied Catalysis B: Environmental

Year:

2011

Language:

english

File:

PDF, 1.13 MB

english, 2011

26

COST action 543 ‘Research and development of bioethanol processing for fuel cells, bioethanol’

Angelo B. Basile, Riitta L. Keiski

Journal:

International Journal of Hydrogen Energy

Year:

2010

Language:

english

File:

PDF, 99 KB

english, 2010

27

Deactivation of the high-temperature water-gas shift catalyst in nonisothermal conditions

Riitta L. Keiski, Tapio Salmi

Journal:

Applied Catalysis A: General

Year:

1992

Language:

english

File:

PDF, 1.00 MB

english, 1992

28

Stationary and transient kinetics of the high temperature water-gas shift reaction

Riitta L. Keiski, Tapio Salmi, Pekka Niemistö, Jorma Ainassaari, Veikko J. Pohjola

Journal:

Applied Catalysis A: General

Year:

1996

Language:

english

File:

PDF, 933 KB

english, 1996

29

Thermodynamic equilibrium calculations of sulfur poisoning in Ce–O–S and La–O–S systems

Heidi Karjalainen, Ulla Lassi, Katariina Rahkamaa-Tolonen, Virpi Kröger, Riitta L. Keiski

Journal:

Catalysis Today

Year:

2005

Language:

english

File:

PDF, 192 KB

english, 2005

30

Influence of the heat exchangers’ construction material on catalytic incineration

Satu Ojala, Ulla Lassi, Reeta Ylönen, Heidi Karjalainen, Riitta Liisa Keiski

Journal:

Catalysis Today

Year:

2005

Language:

english

File:

PDF, 417 KB

english, 2005

31

Comparison of catalytic activity and selectivity of Pd/(OSC + Al2O3) and (Pd + OSC)/Al2O3 catalysts

Tanja Kolli, Katariina Rahkamaa-Tolonen, Ulla Lassi, Auli Savimäki, Riitta L. Keiski

Journal:

Catalysis Today

Year:

2005

Language:

english

File:

PDF, 326 KB

english, 2005

32

Pt-loaded zeolites for reducing exhaust gas emissions at low temperatures and in lean conditions

Mika Huuhtanen, Katariina Rahkamaa-Tolonen, Teuvo Maunula, Riitta L. Keiski

Journal:

Catalysis Today

Year:

2005

Language:

english

File:

PDF, 328 KB

english, 2005

33

Preface

Journal:

Catalysis Today

Year:

2005

Language:

english

File:

PDF, 42 KB

english, 2005

34

Direct synthesis of dimethyl carbonate with supercritical carbon dioxide: Characterization of a key organotin oxide intermediate

Danielle Ballivet-Tkatchenko, Stéphane Chambrey, Riitta Keiski, Rosane Ligabue, Laurent Plasseraud, Philippe Richard, Helka Turunen

Journal:

Catalysis Today

Year:

2006

Language:

english

File:

PDF, 345 KB

english, 2006

35

Preface

Erling Rytter, Leon Lefferts, Riitta Keiski

Journal:

Catalysis Today

Year:

2009

Language:

english

File:

PDF, 62 KB

english, 2009

36

The activity of Pt/Al2O3 diesel oxidation catalyst after sulphur and calcium treatments

Tanja Kolli, Tomi Kanerva, Mika Huuhtanen, Minnamari Vippola, Kauko Kallinen, Toni Kinnunen, Toivo Lepistö, Jouko Lahtinen, Riitta L. Keiski

Journal:

Catalysis Today

Year:

2010

Language:

english

File:

PDF, 235 KB

english, 2010

37

Recycling of organic solvents by pervaporation and micellar-enhanced ultrafiltration

Verónica García, Junkal Landaburu-Aguirre, Eva Pongracz, Paul Phillips, Riitta Keiski

Journal:

Year:

2006

Language:

english

File:

PDF, 71 KB

english, 2006

38

Recovery of n-butanol from salt containing solutions by pervaporation

Verónica García, Eva Pongrácz, Esa Muurinen, Riitta L. Keiski

Journal:

Year:

2009

Language:

english

File:

PDF, 388 KB

english, 2009

39

Removal of aqueous As(III) and As(V) by hydrous titanium dioxide

Minna Pirilä, Mika Martikainen, Kaisu Ainassaari, Toivo Kuokkanen, Riitta L. Keiski

Journal:

Journal of Colloid and Interface Science

Year:

2011

Language:

english

File:

PDF, 307 KB

english, 2011

40

Factors affecting resource use optimisation of the chemical industry in the Northern Ostrobothnia region of Finland

Verónica García, Eva Pongrácz, Paul Phillips, Riitta Keiski

Journal:

Journal of Cleaner Production

Year:

2008

Language:

english

File:

PDF, 708 KB

english, 2008

41

Micellar-enhanced ultrafiltration for the removal of cadmium and zinc: Use of response surface methodology to improve understanding of process performance and optimisation

Junkal Landaburu-Aguirre, Eva Pongrácz, Paavo Perämäki, Riitta L. Keiski

Journal:

Journal of Hazardous Materials

Year:

2010

Language:

english

File:

PDF, 1.22 MB

english, 2010

42

Pervaporation of dichloromethane from multicomponent aqueous systems containing n-butanol and sodium chloride

Verónica García, Eva Pongrácz, Esa Muurinen, Riitta L. Keiski

Journal:

Journal of Membrane Science

Year:

2009

Language:

english

File:

PDF, 803 KB

english, 2009

43

Dehydration of water/dichloromethane/n-butanol mixtures by pervaporation; optimisation and modelling by response surface methodology

Verónica García, Junkal Landaburu-Aguirre, Eva Pongrácz, Paavo Perämäki, Riitta L. Keiski

Journal:

Journal of Membrane Science

Year:

2009

Language:

english

File:

PDF, 995 KB

english, 2009

44

A case study of waste management at the Northern Finnish pulp and paper mill complex of Stora Enso Veitsiluoto Mills

Hannu Nurmesniemi, Risto Pöykiö, Riitta Liisa Keiski

Journal:

Waste Management

Year:

2007

Language:

english

File:

PDF, 184 KB

english, 2007

45

Transient reduction kinetics of NO over Pd-based metallic monoliths

Katariina Rahkamaa, Tapio Salmi, Riitta Keiski, Johan Wärnå, Yi Zhou

Journal:

Chemical Engineering Science

Year:

2001

Language:

english

File:

PDF, 174 KB

english, 2001

46

The effect of ageing time on co-precipitated Cu/ZnO/ZrO2catalysts used in methanol synthesis from CO2and H2

Riitta Raudaskoski, Marita Veringa Niemelä, Riitta L. Keiski

Journal:

Topics in Catalysis

Year:

2007

Language:

english

File:

PDF, 269 KB

english, 2007

47

The effect of La2O3on dynamic OSC over the Pd/OSC/Al2O3-based catalysts

Tanja Kolli, Virpi Kröger, Riitta L. Keiski

Journal:

Topics in Catalysis

Year:

2007

Language:

english

File:

PDF, 278 KB

english, 2007

48

The Effect of Sulphur and Water Treatments on the Performance of Pd/β-Zeolite Diesel Oxidation Catalysts

Tanja Kolli, Mika Huuhtanen, Tomi Kanerva, Minnamari Vippola, Kauko Kallinen, Toni Kinnunen, Toivo Lepistö, Jouko Lahtinen, Riitta L. Keiski

Journal:

Topics in Catalysis

Year:

2011

Language:

english

File:

PDF, 1.68 MB

english, 2011

49

Catalytic Oxidation of Dichloromethane and Perchloroethylene: Laboratory and Industrial Scale Studies

Satu Pitkäaho, Satu Ojala, Toni Kinnunen, Reijo Silvonen, Riitta L. Keiski

Journal:

Topics in Catalysis

Year:

2011

Language:

english

File:

PDF, 1.83 MB

english, 2011

50

Enhanced photocatalytic activity of TiO2nanofibers and their flexible composite films: Decomposition of organic dyes and efficient H2generation from ethanol-water mixtures

Ming-Chung Wu, András Sápi, Anna Avila, Mária Szabó, Jussi Hiltunen, Mika Huuhtanen, Géza Tóth, Ákos Kukovecz, Zoltán Kónya, Riitta Keiski, Wei-Fang Su, Heli Jantunen, Krisztián Kordás

Journal:

Year:

2011

Language:

english

File:

PDF, 1.25 MB

english, 2011