Method for evaluating a pollution characteristic of a soil sample
July 14, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod and apparatus for rapidly evaluating the hydrocarbon production capacity of sediments, using small samples thereof Method for determining oil-related characteristics of geological sediments from small samples thereof Method and device for analyzing geological sediments and for determining their organic sulfur content Method for determining oil-related characteristics of geological sediments from small samples thereof Method and device for determining the organic carbon content of a sample Method and device for determining the organic carbon content of a sample Process for characterizing a catalyst by determination of its conversion and coking activities Method for evaluating a pollution characteristic of a soil sample Method for determining petroleum characteristics of geologic sediments Patent #: 5811308 InventorsAssigneeApplicationNo. 114947 filed on 07/14/1998US Classes:422/80, And means directly analyzing evolved gas422/78, Including means for pyrolysis, combustion, or oxidation422/82.05, Measuring optical property by using ultraviolet, infrared, or visible light422/93Including means dividing sample stream into plural parallel segments having diverse treating means and the analytical result compared or combinedExaminersPrimary: Gulakowski, RandyAssistant: Markoff, Alexander Attorney, Agent or FirmInternational ClassG01N 031/12Foreign Application Priority Data1996-09-12 FRAbstractA device for evaluating at least one pollution characteristic of natural soils contaminated by hydrocarbon compounds, said device comprising a first heater heating said sample in a non-oxidizing atmosphere, a measuring device determining an amount of hydrocarbon compounds released after feeding the sample into said first heater, a sample transfer device transferring the sample from the first heater into a second heater operating in an oxidizing atmosphere, a CO2 measuring device determining CO2 contained each effluent discharged from the two heaters, said CO2 measuring device measuring continuously the CO2 throughout the heating cycle of the first and the second heaters and including a device measuring CO contained in each effluent discharged from the two heaters, a temperature controller controlling the temperature of samples waiting to be fed into said heating means, and a device determining the pollution characteristic.Field of SearchGEOCHEMICAL, GEOLOGICAL, OR GEOTHERMAL EXPLORATIONIn situ testing For petroleum oils or carbonaceous minerals Removing and testing drilling mud or fluid Removing and testing solid samples Analyzing evolved gas HYDROCARBON Aromatic Acyclic (e.g., methane, octane, isoparaffin, etc.) Total hydrocarbon, flammability, combustibility (e.g., air-fuel mixture, etc.) CARBON CONTAINING In an aqueous solution (e.g., TOC, etc.) MEASUREMENT INCLUDES TEMPERATURE CHANGE OF THE MATERIAL BEING ANALYZED (E.G., CALORIMETRY, ETC.) MEASUREMENT OF ELECTRICAL OR MAGNETIC PROPERTY OR THERMAL CONDUCTIVITY Of a liquid Flame ionization PYROLYSIS, COMBUSTION, OR ELEVATED TEMPERATURE CONVERSION Multiple stages of heating or heating at multiple temperatures or application of temperature gradient Dividing or separating a sample stream Flame ionization detector Including means for pyrolysis, combustion, or oxidation And means directly analyzing evolved gas Measuring optical property by using ultraviolet, infrared, or visible light Including means dividing sample stream into plural parallel segments having diverse treating means and the analytical result compared or combined | |
