Browsing NIVA Open Access Archive by Author "Lichtenthaler, R."
Now showing items 1-4 of 4
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Biodegradation of Anco Green Novaplus Drilling Muds on Cuttings Deposited in Benthic Chambers
Schaanning, M.; Hylland, K.; Lichtenthaler, R.; Rygg, B. (NIVA-rapport;3475, Research report, 1996)Discharge of drilling fluids attached to bore hole cuttings may affect the benthic environment on the deposition sites in the North Sea. The effects may vary according to dose and properties of the base fluid and other ... -
Biodegradation of Esters and Olefins in Drilling Mud Deposited on Arctic soft-bottom communities in a low-temperature Mesocosm
Schaanning, M.; Lichtenthaler, R.; Rygg, B. (NIVA-rapport;3760, Research report, 1997)Discharge of chemicals from off-shore drilling operations represent a matter of concern for the oil industry and pollution control authorities world-wide. As the industry expands towards higher latitudes and greater depths, ... -
Microbial activity and process kinetics of the Upflow Anaerobic Sludge Blanket reactor for decomposition of selected chlorinated substances
Englund, G.; Lichtenthaler, R.; Bakketun, Å.; Rasmussen, H. (NIVA-rapport;3100, Research report, 1994)Biological, anaerobic treatment of industrial wastewater was studied with use of Upflow Anaerobic Sludge Blanket. Degradation of some chlorinated substances (6-chlorvanilin(6CV), trichloacetic acid(TCA)) which are found ... -
Sammenlignende laboratorieprøvning (ringtest) for bestemmelse av tungmetaller og organiske forbindelser i marine sedimenter
Hovind, H.; Lichtenthaler, R. (NIVA-rapport;3626, Research report, 1997)I august 1969 ble det gjennomført en sammenlignende laboratorieprøvning (ringtest) for bestemmelse av metaller og organiske forbindelser i marine sedimenter. Tre prøver ble benyttet, et referansemateriale til de organiske ...