Department of Chemistry and Bioscience

  • Fredrik Bajers Vej 7H

    9220 Aalborg

    Denmark

Research Output 1979 2020

1996
116 Citations (Scopus)

Changes in the composition of extracellular polymeric substances in activated sludge during anaerobic storage

Nielsen, P. H., Frølund, B. & Keiding, K., 1996, In : Applied Microbiology and Biotechnology. 44, 6, p. 823-830 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

43 Citations (Scopus)

Characterization of Thermophilic Consortia from Two Souring Oil Reservoirs

Müeller, R. F. & Nielsen, P. H., 1996, In : Applied and Environmental Microbiology. 62, 9, p. 3083-3087 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

47 Citations (Scopus)

Deflocculation of activated sludge by the dissimilatory Fe(III)-reducing bacterium Shewanella alga BrY

Caccavo, F. J., Frølund, B., van O. Kloeke, F. & Nielsen, P. H., 1996, In : Applied and Environmental Microbiology. 62, 4, p. 1487-1490 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

59 Citations (Scopus)

Effects of colloidal stability on clarification and dewatering of activated sludge

Mikkelsen, L. H., Gotfredsen, A. K., Agerbæk, M. L., Nielsen, P. H. & Keiding, K., 1996, In : Water Science and Technology. 34, 3-4, p. 449-457 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Effects of soil vapor extraction on contaminant loadings to atmosphere and groundwater

Poulsen, T. G., Massmann, J. & Møldrup, P., 1996, In : Journal of Environmental Engineering. 122, p. 700-706 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

28 Citations (Scopus)

Effects of vapor extraction on contaminant flux to atmosphere and ground water

Poulsen, T. G., Massmann, J. W. & Moldrup, P., 1996, In : Journal of Environmental Engineering. 122, 8, p. 700-706 7 p., 10428.

Research output: Contribution to journalJournal articleResearchpeer-review

Groundwater
Vapors
Impurities
Fluxes
groundwater
1575 Citations (Scopus)

Extraction of extracellular polymers from activated sludge using a cation exchange resin

Frølund, B., Palmgren, R., Keiding, K. & Nielsen, P. H., 1996, In : Water Research. 30, 8, p. 1749-1758 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

221 Downloads (Pure)

Jordfysiske egenskabers påvirkning af mikrobiologisk olienedbrydning i dieselolieforurenet jord

Lund, W. & Møldrup, P., 1996, Aalborg: Geotechnical Engineering Group. 6 p. (AAU Geotechnical Engineering Papers: Environmental Engineering Paper; No. 1, Vol. R 9604).

Research output: Book/ReportReportResearchpeer-review

File
63 Citations (Scopus)

Modeling diffusion and reaction in soils: II. Atmospheric methane diffusion and consumption in a forest soil

Kruse, C. W., Moldrup, P. & Iversen, N., 1996, In : Soil Science. 161, 6, p. 355-365

Research output: Contribution to journalJournal articleResearchpeer-review

forest soils
forest soil
methane
modeling
soil
43 Citations (Scopus)

Modeling diffusion and reaction in soils: IV. New models for predicting ion diffusivity

Olesen, T., Moldrup, P., Henriksen, K. & Petersen, L. W., 1996, In : Soil Science. 161, 10, p. 633-645

Research output: Contribution to journalJournal articleResearchpeer-review

diffusivity
ions
ion
modeling
soil
34 Citations (Scopus)

The significance of microbial Fe(III) reduction in the activated sludge process

Nielsen, P. H., 1996, In : Water Science and Technology. 34, 5-6, p. 129-136

Research output: Contribution to journalJournal articleResearchpeer-review

48 Citations (Scopus)

Transient diffusion, adsorption, and emission of volatile organic vapors in soils with fluctuating low water contents

Petersen, L. W., El-Farhan, Y. H., Moldrup, P., Rolston, D. E. & Yamaguchi, T., 1996, In : Journal of Environmental Quality. 25, 5, p. 1054-1063

Research output: Contribution to journalJournal articleResearchpeer-review

trichloroethylene
Water content
volatile organic compound
Trichloroethylene
water content
1995
46 Citations (Scopus)

A tool for monitoring Trichoderma harzianum: I. Transformation with the GUS gene by protoplast technology

Thrane, C., Lubeck, M., Green, H., Degefu, Y., Allerup, S., Thrane, U. & Jensen, D. F., 1995, In : Phytopathology. 85, 11, p. 1428-1435 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

72 Citations (Scopus)

Feeding, growth and respiration in the polychaetes Nereis diversicolor (facultative filter-feeder) and N. virens (omnivorous)-a comparative study

Nielsen, A. M., Eriksen, N. T., Lønsmann Iversen, J. J. & Riisgård, H. U., 1995, In : Marine Ecology - Progress Series. 125, p. 149-158 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

1994
37 Citations (Scopus)

A Comparative Study of Biopolymers from a Conventional and an Advanced Activated Sludge Treatment Plant

Frølund, B., Keiding, K. & Nielsen, P. H., 1994, In : Water Science and Technology. 29, 7, p. 137-141

Research output: Contribution to journalJournal articleCommunication

Erratum: Modeling multicomponent volatile organic and water vapor adsorption on soils (Journal of Hazardous Materials (1994) 36 (89-108))

Amali, S., Petersen, L. W., Rolston, D. E. & Moldrup, P., 1994, In : Journal of Hazardous Materials. 37, 2, 1 p.

Research output: Contribution to journalComment/debateResearchpeer-review

Implementation of a HPLC-polystyrene divinyl benzene column for quantitative characterization of activated sludge exopolymer

Frølund, B. & Keiding, K., 1994, In : Applied Microbiology and Biotechnology. 41, p. 708-716 9 p.

Research output: Contribution to journalJournal articleResearch

11 Citations (Scopus)

Integrated flux model for unsteady transport of trace organic chemicals in soils

Møldrup, P., Poulsen, T. G., Rolston, D., Hansen, J. A. & Yamaguchi, T., 1994, In : Soil Science. 157, p. 137-152 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

1993

A comparative study of biopolymers from a conventional and an advanced treatment plant

Frølund, B., Keiding, K. & Nielsen, P. H., 1993.

Research output: Contribution to conference without publisher/journalPosterResearch

Chemical, physical and microbial changes in activated sludge clarifiers

Rasmussen, H., Keiding, K. & Nielsen, P. H., 1993.

Research output: Contribution to conference without publisher/journalPosterResearch

On the origin of specifik resistance to filtration

Lodahl Agerbæk, M. & Keiding, K., 1993, In : Water Science and Technology. 28, 1, p. 159-168 10 p.

Research output: Contribution to journalJournal articleResearch

1991

Effects of Intra-Particle Diffusion on Heavy Metal Adsorption/Desorption Kinetics

Schrøder, O. & Keiding, K., 1991.

Research output: Contribution to conference without publisher/journalPosterResearch

245 Citations (Scopus)

Handbook of ecological parameters and ecotoxicology

Jorgensen, S. E., Nielsen, S. N. & Jorgensen, L. A., 1 Jan 1991, Handbook of ecological parameters and ecotoxicology. Elsevier Editora

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearchpeer-review

ecotoxicology
chemical compound
pesticide
pollution effect
sublethal effect

On the stability of activated sludge flocs with implications to dewatering

Keiding, K., Nielsen, P. H. & Bruus, J. H., 1991, In : Water Research. 26, 12, p. 1598-1604

Research output: Contribution to journalJournal articleResearchpeer-review

1988

Absolute Modelling of Urban Aerosols: Comparison of R-mode Procedures

Keiding, K., Sørensen, J. & Palmgren Jensen, F., 1988, In : Atmospheric Environment. 22, 4, p. 763-767 5 p.

Research output: Contribution to journalJournal articleResearch

1987
10 Citations (Scopus)

A receptor model for urban aerosols based on oblique factor analysis

Keiding, K., Sørensen, M. S. & Pind, N., 1987, In : Analytica Chimica Acta. 193, p. 295-307 13 p.

Research output: Contribution to journalJournal articleResearch

101 Citations (Scopus)

Big Soda Lake ( Nevada). 3. Pelagic methanogenesis and anaerobic methane oxidation.

Iversen, N., Oremland, R. S. & Klug, M. J., 1987, Limnology & Oceanography. 4 ed. Vol. 32. p. 804-814 11 p.

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearchpeer-review

methanogenesis
methane
oxidation
lake
water column

Chemometrics

Keiding, K., Sørensen, M. S. & Pind, N., 1987, Proceedings of International Seminar on "Modern Methods of Aerosol Analysis".

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

9 Citations (Scopus)

Determination of Source of Atmospheric Aersol in Copenhagen Based on Receptor Models

Kronborg, D., Palmgren Jensen, F., Keiding, K. & Heidam, N. Z., 1987, In : Atmospheric Environment. 21, 9, p. 1877-1889 13 p.

Research output: Contribution to journalJournal articleResearch

Review of C.R. Brunner: Hazardous Air Emissions from Incineration

Keiding, K., 1987, In : Haikibutsu Gakkaishi. 5, 1

Research output: Contribution to journalReview articleResearch

Spildevandstransport og urban regnafstrømning - perspektiver i forbindelse med regeringens miljøhandlingsplan

Hvitved-Jacobsen, T., Nielsen, P. H. & Keiding, K., 1987, Proceedings of a Seminar held by the Danish Academy of Technical Science.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

Urban Runoff Pollutant Removal in Wet-Detention Ponds

Hvitved-Jacobsen, T., Keiding, K. & Yousef, Y. A., 1987, Proceedings of 4th International Conferrence on Urban Storm Drainage. p. 137-142 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

1986
38 Citations (Scopus)

Absolute Modelling of Urban Aerosol Elemental Composition by Factor Analysis

Keiding, K., Palmgren Jensen, F. & Heidam, N. Z., 1986, In : Analytica Chimica Acta. 181, p. 79-85 7 p.

Research output: Contribution to journalJournal articleResearch

6 Citations (Scopus)

Observations on Acidity and Ions in East Greenland Precipitation

Keiding, K. & Heidam, N. Z., 1986, In : Tellus. 38, p. 345-352 8 p.

Research output: Contribution to journalJournal articleResearch

Uorganisk kemi og modeller: Miljø og luftbåren forurening

Translated title of the contribution: Inorganic Chemistry and Models: Environment and Airborne PollutionKeiding, K., 1986, Ikke angivet. Planlægningsrådet for Forskning

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

1985

Model for Quality Control and Precipitation Analysis

Grundahl, L. & Keiding, K., 1985.

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearch

Reaktioner og kredsløb

Translated title of the contribution: Reactions and cyclesKeiding, K., 1985, Luftforurening: en introduktion. Fenger, J. (ed.). Nyt Teknisk Forlag, p. 5

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearch

1983

Analysis of SO2 in LMP

Keiding, K., 1983, MST-luft A-66. Risø

Research output: Contribution to book/anthology/report/conference proceedingReport chapterResearch

1982

The Presence of Nitro-PAH on Airborne Particulate Matter

Keiding, K., Nielsen, T., Seitz, B., Hansen, A. M. & Westerberg, B., 1982, Ikke angivet. Int. Symp. on PAH, Ohio, USA.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

1981
8 Citations (Scopus)

Analog Instrument for Oxidative and Reductive Potentiometric Stripping Analysis

Keiding, K., Christensen, J. K., Kryger, L., Rasmussen, J. & Skov, H. J., 1981, In : Analytical Chemistry. 53

Research output: Contribution to journalJournal articleResearchpeer-review

Potentiometrisk Stripping Analyse, LMFK 6

Translated title of the contribution: Potentiometric Stripping Analysis.Keiding, K., 1981, In : LMFK : meddelelser fra Matematiklærerforeningen, Fysiklærerforeningen, Kemilærerforeningen, Foreningen af Fysik- og Kemilærere ved Seminarierne og Naturfagslærerforeningen. 6

Research output: Contribution to journalJournal articleResearch

1979

KH-rapporten - projektrapport vedr. N-acylglyciners bestemmelse med GC-MS

Translated title of the contribution: KH-report on N-acylglycines Determination by GC-MS.Keiding, K., 1979, Aarhus Kommunehospital.

Research output: Book/ReportReportResearch

N-Acylglycines: Gaschromatografic Mass-Spectrometric Identification and Determination in Urine by Selected Ion Monitoring

Keiding, K., Gregersen, G. & Kølvraa, S., 1979, In : Biomedical Mass Spectrometri. 6, 10

Research output: Contribution to journalJournal articleResearchpeer-review