Klikk på en av lenkene under:
Publikasjoner
Konferansebidrag
Patenter
Publikasjoner
1. Hilbert, L.R., T. Hemmingsen, L.V. Nielsen and S.Richter (2007): Reliability of Electrochemical Techniques for Determining Corrosion Rates on Carbon Steel in Sulfide Media. Corrosion 63. pp. 346.
2. Husveg, T. Johansen, O. and Bilstad, T. (2007) Operational control of hydrocyclones during variable produced water flow rates – Frøy case study, accepted for publication in SPE Production and Facilities
3. Husveg, T., Rambeau, O. Drengstig, T. and Bilstad, T. (2007) Performance of a deoiling hydrocyclone during variable flow rates, Minerals Engineering, 20 (3).
4. Hörnlund, E., J.K.T. Fossen, S. Hauger, C. Haugen, T. Havn and T. Hemmingsen (2007): Hydrogen Diffusivities and Concentrations in 520M Carbon Steel under Cathodic Protection in 0.5M NaCl and the Effect of Added Sulphite, Dithionite, Thiosulphate, and Sulphide. Int. J. Electrochem. Sci., 2, 82.
5. Skavås, E. and Hemmingsen, T. (2007): A study of the interference from sulphide and dithionite on electrochemical sulphite analyses on platinum. Int. J. Electrochem. Sci., 2, 203
6. Skavås, E., and Hemmingsen, T. (2007): Kinetics and mechanism of sulphite oxidation on a rotating platinum disc electrode in an alkaline solution. Electrochim. Acta 52, 3510.
7. Green, M.L.H., Leach, J.B. and Kelland, M.A. (2006) Partial Incorporation of a Cyclopentadienyl ligand into a Molybdaborane to form a Molybdacarbaborane, J. Organomet. Chem. 691, 1295.
8. Green, M.L.H., Leach, J.B. and Kelland, M.A. (2006) Reactions of Small Boranes with Ruthenium phosphine hydrides: Oligomerisation of monoborane-tetrahydrofuran to a nido-hexaborane, , J. Organomet. Chem ., 691, 2063.
9. Green, M.L.H., Walker, J., Mountford, P., Leach J.B. and Kelland, M.A. (2006) Reactions of Pentaborane(9) with Electron-rich Molybdenum and Tungsten Phosphine Polyhydrides, , J. Organomet. Chem, 691, 1934.
10. Hemmingsen, T., Fusek, F., Skavaas, E. (2006): Monitoring of the Corrosion Process on Sulphide Film Formation with Electrochemical and Optical Measurements. Electrochim. Acta 51, 2919.
11. Hylland, K., J. Beyer, M. Berntssen, J. Klungsoyr, T. Lang and L. Balk (2006). "May organic pollutants affect fish populations in the North Sea?" Journal of Toxicology and Environmental Health-Part a-Current Issues 69(1-2): 125-138.
12. Kelland, M.A. (2006) History of the Development of Low Dosage Hydrate Inhibitors, Energy & Fuels, 20, 825.
13. Kelland, M.A., T. M. Svartaas, J. Øvsthus, T. Tomita, J. Chosa (2006) Studies on some Zwitterionic Surfactant Gas Hydrate Anti-Agglomerants, , Chemical Engineering Science , 61, 4048.
14. Kelland, M.A., T. M. Svartaas, J. Øvsthus, T. Tomita, K. Mizuta (2006) Studies on some Alkylamide Surfactant Gas Hydrate Anti-Agglomerants, , Chemical Engineering Science, 61, 4290.
15. Kommedal, R., Milferstedt, K., Bakke, R. and Morgenroth, E. (2006) Effects of initial molecular weight on removal rate of dextran in biofilms, Wat. Res., 40, 1795-1804
16. Skavås, E., Adriaens, A. and Hemmingsen, T. (2006): A Comparative Study of Sulphite Oxidation Under Alkaline Conditions by Use of Wall-jet Flow Cell and Rotating Disc Electrode. Int. J. Electrochem. Sci. 1, 414.
17. Ariese, F., J. Beyer, G. Jonsson, C.P. Visa and M. Krahn (2005) “Review of analytical methods for determining metabolites of polycyclic aromatic compounds (PACs) in fish bile.” ICES Techniques in Marine Sciences. (ISSN 0903-2606). No. 39, 1-41. ISBN 87-7482-028-1.
18. Ariese, F., J. Beyer and D. Wells (2005) “Two fish bile reference materials for PAH metabolites.” Journal of Environmental Monitoring, 7 (9): 869-876. ISSN: 1464-0325.
19. Green, M.L.H., J.B. Leach and M.A. Kelland, (2005) Metal Fragment Exchange from a Molybdaborane to a Tungstaborane, J. Organomet. Chem, 690, 4203.
20. Hemmingsen, T., Fusek, F. and Skavaas, E. (2005) Monitoring of the Corrosion Process on Sulphide Film Formation with Electrochemical and Optical Measurements, Electrochemica Acta, in press
21. Jonsson, G., R.C. Sundt, E. Aas and J. Beyer (2004). “An evaluation of two fluorescence screening methods for the determination of chrysene metabolites in fish bile.” Chemosphere., 56 (1): 81-90. ISSN: 0045-6535.
22. Jonsson, G., Taban, I.C., Jørgensen, K.B. and Sundt, R. (2004) Quantitative determination of Chrysene metabolites in hydrolysed fish bile by HPLC-fluorescence and GC-MS, Chemosphere, 54(8), pp. 1085-1097
23. Jonsson, G., J. Beyer, D. Wells and F. Ariese (2003). “The application of HPLC-F and GC-MS to the analysis of selected hydroxy polycyclic hydrocarbons in two certified fish bile reference materials”. Journal of Environmental Monitoring, 5: 513-520. ISSN: 1464-0325.
24. Van der Oost, R., J. Beyer and N.P.E. Vermeulen (2003). “Fish biomarkers and environmental risk assessment: A review.” Environmental Toxicology and Pharmacology, 13 (2): 57-150. ISSN: 1382-6689.
25. Brede, C., Skjevrak, I., Herikstad, H., Anensen, E., Austvoll, R. and Hemmingsen, T. (2002) Improved sample extraction and clean-up for the GC-MS determination of BADGE and BFDGE in vegetable oil, Food Additives and Contaminants, 19(5), pp. 483-491
26. Hemmingsen, T., Hovdan, H., Sanni, P. and Aagotnes N.O. (2002) The influence of electrolyte reduction potential on weld corrosion, Electrochemica Acta, 47(24), pp. 3949-3955
27. Agasøsler, A. V., Tungodden, L. M., Cejka, D., Bakstad, E., Sydnes, L. K. and Holmsen, H. (2001) Chlorpromazine-induced increase in dipalmitoylphosphatidylserine surface area in monolayers at room temperature, Biochemical Pharmacology, 61, pp. 817
28. Bakke, R., Kommedal, R. and Kalvenes, S. (2001) Quantification of biofilm accumulation by an optical approach, J. Microbiol. Meth. 44, pp. 13-26
29. Jørgensen, K.B., Olsen, R.B. and Carlsen, P.H.J. (2001) Thermal Rearrangement of Allyl Substituted Unsymmetric 4 H -1,2,4-Triazoles to the Corresponding 1 H -1,2,4-Triazoles, Molecules 6(5), pp. 481-495
30. Kommedal, R., Bakke, R., Stoodley, P. and Dockery, J. (2001) Modelling production of extracellular polymeric substances in a Pseudomonas aeruginosa chemostat culture, Wat. Sci. Tech., 43 (6), pp. 129-134
31. Morgenroth, E., Kommedal, R. and Harremoës, P. (2001) Processes and modeling of hydrolysis of particulate organic matter in aerobic wastewater treatment - A review, Wat. Sci. Tech., 45(6), pp. 25-40
32. Bilstad, T. and Ydstebø, L. (2000) Recovery of clay by microfiltration. Desalination, 127, pp. 177 - 180
33. Carlsen, P.H.J. and Jørgensen, K.B. (2000) A Kinetic Study of the Thermolysis of N-Crotyl Substituted 1,2,4-triazoles”, J. Heterocycl. Chem., 37(5), pp. 1135-1139
34. Kelland, M.A., Svartaas, T.M., Ovsthus, J. and Namba, T. (2000) A new class of kinetic hydrate inhibitor, Gas Hydrates: Challenges for the future annals of the New Yorkj Academy of Sciences, 912, pp. 281-293
35. Svartaas, T.M., Kelland, M.A. and Dybvik, L. (2000) Experiments related to the performance of gas hydrate kinetic inhibitors, Gas Hydrates: Challenges for the future annals of the New Yorkj Academy of Sciences, 912, pp. 744-752
36. Treindl, L., Knudsen, D., Nakamura, T., Matsamura-Inoue, T., Jørgensen, K.B. and Ruoff, P. (2000) The Light-Pertubed Ru-Catalyzed Belousov-Zhabotinsky Reaction: Evidence for Photochemically Produced Bromous Acid and Bromine Ions by Phase Response Analysis, J. Phys. Chem. A 104 , pp. 10783-10788
37. Ydstebø, L., Bilstad, T. and Barnard, J.L. (2000) Experience with Biological Nutrient Removal at Low Temperatures. Wat. Env. Res., 72(4), pp. 444 – 454
38. Ydstebø, L., Bilstad, T. and Kommedal, R. (2000) Full-scale experience with enhanced biological phosphorus removal (EBPR) in cold climates. J. Environ. Sci. Health, A35(8) pp. 1493 – 1502
39. Aas, E., J. Beyer, G. Jonsson, W. Reichert, O.K. Andersen (2001). “Evidence of uptake, biotransformation and DNA binding of polyaromatic hydrocarbons in Atlantic cod and corkwing wrasse caught in the vicinity of an aluminium works” Marine Environmental Research, 52: 213-229. ISSN: 0141-1136.
40. Aas, E., J. Beyer and A. Goksøyr (2000). “Fixed wavelength fluorescence (FF) of bile as a monitoring tool for polyaromatic hydrocarbon exposure in fish: an evaluation of compound specificity, inner filter effect and signal interpretation.” BIOMARKERS 5(1): 9-23. ISSN: 1354-750X.
til toppen
Konferansebidrag
1. Hemmingsen, T.: Hydrogen permeation rates under stationary and tensile straining conditions. To be presented 58th Annual Meeting of the International Society of Electrochmistry in Banff, Canada, September 2007.
2. Nilsen, L. B. and Jørgensen, K.B.: A catalytic system for the indium-mediated Barbier-reaction, 22. Organisk kjemiske vintermøte, Røros, Norway 11-14.01. 2007
3. Hemmingsen, T. and E. Skavås: A mechanism study of sulphite oxidation on platinum electrode in an alkaline solution. Presented at ESEAC2006, 11th International Conference on Electroanalysis in Bordeaux, June 2006.
4. Husveg, T., Rambeau, O. Drengstig, T. And Bilstad, T: Performance of a deoiling hydrocyclone during variable flow rates, presented at the Hydrocyclones 2006 conference in Falmount UK, June 2006
5. Havn, T., T Hemmingsen, E. Hörnlund and K. Eriksen: Comparison of corrosion resistance of two duplex stainless steels after simulated welding. Presented at Eurocorr 2005 in Lisboa, September 2005
6. Hemmingsen, T., T. Havn, E. Hörnlund, H. Ferkingstad and F. Voll: Use of aluminium and zinc anodes for cathodic protection of produced water tanks. Presented at Eurocorr 2005 in Lisboa, September 2005
7. Hilbert, L.R., T. Hemmingsen, L.V. Nielsen, S: Richter: When Can Electrochemical Techniques Give Reliable Corrosion Rates on Carbon Steel in Sulfide Media? NACE Corrosion 2005, Paper 05346
8. Hörnlund, E. T. Hemmingsen, T. Havn, J. Fosse, S. Hauger and K. Haugen: The effect of sulphur compounds on hydrogen permeation rate. Presented at ISE meeting in Korea September 2005.
9. Jørgensen, K.B. “Synthesis of hydroxychrysenes”, 20th International Symposium on Polycyclic Aromatic Compounds, 22-26.08.2005, Toronto, Canada
10. Jørgensen K.B. and Jonsson, G. Synthesis of hydroxychrysenes, and their use as standards in environmental monitoring”, 20. Organisk Kjemiske Vintermøte, Skeikampen 13-16.01, 2005
11. Sanni, S., M. Buffagni, U.E. Moltu, A. Kelley, L. Bracco, L. Pinturier, T. Baussant, B.K. Larsen, R.K. Bechmann, A. Skadsheim, R. Sundt, E. Aas, J. Beyer, J.F. Børseth (2005) “BIOSEA JIP – development of a global biomonitoring tool for the petroleum industry offshore.” The Offshore Mediterranean Conference and Exhibition March 16-18, 2005, Ravenna, Italy.
12. Beyer, J., Jonsson, G., Westerlund, S., Baussant, T., Aas, E., Sanni, S., Balk, L., Hylland, K., Jenssen, B.M., Mascini, M., Bagni, G. & Klungsøyr, J. (2004). “Towards zero harmful discharges from North Sea oil and gas installations: Results from recent and ongoing effect studies” Proceedings: The 15th Int. Oil Field Chemicals Symposium (OFCS), 28-31 March 2004, Geilo Norway, paper 20, pp 13.
13. Havn, T. and T. Hemmingsen: Safe use of Al-bronze components in 22Cr duplex stainless steel equipment. NACE Corrosion 2004, Paper 04137.
14. Hemmingsen, T., I. Austvoll, F. Fusek and E. Skavås: Combined optical and electrochemical measurements on sulphide film formation. Presented at 13th Scandinavian Corrosion Congress, 2004 in Reykjavik, April 2004.
15. Hemmingsen, T., K. Førre, H. Urke, NO Ågotnes and S. Eliassen: Hydrogen diffusion in 13Cr supermartensitic stainless steels. Experiences with the electrochemical hydrogen permeation cell. Presented at 13th Scandinavian Corrosion Congress, 2004 in Reykjavik, April 2004.
16. Beyer, J., Aas, E., Jonsson, G. (2003). “PAH metabolites in fish bile for environmental monitoring of produced water discharges at North Sea oil fields: Method optimisations and field data”. ISPAC 19 conference, 22-25 September 2003, Amsterdam, The Netherlands.
17. Hemmingsen, T., L. Hilbert and LV Nielsen: Assessment of sulphur- and H2S corrosion by use of simultaneous ER-, Galvanic- and Optical Measurements. Presented at Eurocorr 2003 in Budapest, September 2003.
18. Joenson, M. and Jørgensen, K.B. "Photochemical Synthesis of Chrysene Metabolites", Organisk Kjemisk Vintermøte 2003, 9-12.01.03, Fefor, Norge
19. Jørgensen, K.B., A.C. Hatlestad, A.-L. Heggø, R. A. Lloyd, F. H. Veire, “Photochemical synthesis and fluorescence properties of monofluorinated hydroxychrysenes”, 19th International Symposium on Polycyclic Aromatic Compounds, 21-25.09.2003, Amsterdam, Nederland
20. Richter, S. and T.Hemmingsen: A study of electrochemical behaviour of sulphur compounds. Presented at Eurocorr 2003 in Budapest, September 2003.
21. Bilstad, T., Husveg, T., Keller, S. and Ydstebø, L. Water Recovery From Oily Wastewater. Presented at Regional Symposium on Water Recycling in Mediterranean Region. Iraklio, Greece, September 26 – 29, 2002
22. Havn, T., T. Hemmingsen, L. Hardli, and N.O. Aagotnes: Investigation of use of 316 SS in seawater protected by carbon steel. NACE Corrosion 2002, Paper 02205.
23. Thorarinsdottir, R.I., T. Hemmingsen, M.Nordling and P.Jansen: Corrosion Monitering in District Heating Systems. Euroheat&Power 31 (2002) 34 –37.
24. Beyer, J., Skadsheim, A., Kelland, M.A., Alfsnes, K. and Sanni, S. Ecotoxicology of oilfield chemicals: The relevance of evaluating low-dose and long-term impact on fish and invertebrates in marine recipients, SPE Oil Field Chemical Symposium, SPE 65039 Houston, 13-16 February 2001
25. Bilstad, T., Keller, S. and Ydstebø, L. Oil-Water Separation. Presented at 7th Nordic Filtration Symposium, August 27 – 28, 2001, Copenhagen, Denmark.
26. Hemmingsen, T., H. Hovdan, P. Sanni and N.O. Aagotnes: Determination of Tafel lines. Electrochemical Society Proceedings Volume 2001-22 (2001) pp. 1044
27. Hemmingsen, T., H. Hovdan, P. Sanni and N.O. Aagotnes: Effect of the redox potential in an electrolyte on weld corrosion. Electrochemical Society Proceedings Volume 2001-22 (2001) pp. 1053.
28. Morgenroth, E., Kommedal, R. and Harremoës, P. Processes and modeling of hydrolysis of particulate organic matter in aerobic wastewater treatment - A review, accepted for Oral Presentation at the 5th Kollekolle Seminar on Activated Sludge Modelling, Processes in Theory and Practice, September 10-12, 2001, Copenhagen
29. Ydstebø, L., Johnson, R. and Bilstad, T: Enhanced nitrification in biofilms by optimised oxygen addition. Proc. Conf. Seminar at the 74th Annual WEF Conference and Exposition 2001, Atlanta, Georgia
30. Beyer, J. & Sanni, S. (2000). “Ecotoxicology of oil field chemicals: A short review of methods for the evaluation of low-dose and long-term impact on fish and invertebrates.” The Norwegian Society of Chartered Engineers. The 11th Int. NIF-Oil Field Chemicals Symposium, Fagernes Norway, p 279-287.
31. Jørgensen, K.B. and O. R. Gautun, ”Efficient Stereoselective Preparation of Protected Isodityrosines”, 8th Belgian Organic Synthesis Symposium, Ghent (Belgia), 10-14.07, 2000
32. Kommedal, R. and Harremoës, P. Biofilm reactor design, oral presentation at the 3rd annual BioToBio meeting, Copenhagen 2000
33. Kommedal, R., Bakke, R., Stoodley, P. and Dockery, J. Modelling production of extracellular polymeric substances in a Pseudomonas aeruginosa chemostat culture, Oral presentation at the International Specialist Conference on Microbial Extracellular Polymeric Substances, 18-20 September 2000, Mulheim, Germany
34. Kommedal, R. and Bakke, R: Modelling Pseudomonas aeruginosa EPS production, Abstract in "Biofilms 2000", American Society for Microbiology conference proceedings, July 16-20, 2000, Big Sky, Montana, USA
35. Kommedal, R. and Bakke, R.: Pseudomonas aeruginosa biofilm detachment, Abstract in "Biofilms 2000", American Society for Microbiology conference proceedings, July 16-20, 2000, Big Sky, Montana, USA
36. Ydstebø, L., Kommedal, R. and Bakke, R: Seasonal Variations in Nutrient Removal in Cold Climate Constructed Wetland. 7th international Conference on Wetland Systems for Water Pollution Control, November 11. – 16. 2000, Grosvenor Resort, Lake Buena Vista, Florida
til toppen
Patenter
"Total Synthesis of Cyanidin 3-O--Glucopyranoside and Total Synthesis of Delphinidin 3-O--Glucopyranoside", Bakstad, E. Patent is filed in UK.
"Synthesis of novel Capsaicinoids”, Bakstad, E. Patent is filed in Norway.
"Low shear regulation valve", Husveg, T. Patent is filed in Norway.
“Additives for Inhibiting Gas Hydrate Formation,” M.A. Kelland, Norwegian Patent Application, August 2006, No. 3743.
“Additives for Inhibiting Gas Hydrate Formation,” P. Klug, M.A. Kelland, US Patent 6,544,932, 2003.
“Betaine Compound and Process for Production Thereof,” J. Chosa, T. Tomita, M.A. Kelland, US Patent 6,452,030, 2002.
“Additives for Inhibiting Gas Hydrate Formation,” P. Klug, M.A. Kelland, US Patent 6,369,004, 2002.
“Composition for Controlling Clathrate Hydrates and a Method for Controlling Clathrate Hydrate Formation”, M.A. Kelland, P.M. Rodger, T. Namba, US Patent 6,319, 971, 2001.
til toppen
