General Test Equipment - Koehler Instrument Co., Inc.

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Automatic Flocculation TitrimeterTest MethodSamples of asphalt or heavy oil, or residuum are dissolved in toluene atvarious concentrations and titrated with iso-octane or n-heptane atcontrolled temperatures to determine the point of flocculation (asphalteneprecipitation) and calculate the Heithaus compatibility parameters. Theseresults are intended primarily as a laboratory diagnostic tool for estimatingthe colloidal stability or compatibility of asphalt, asphalt cross blends, agedasphalt, pyrolyzed asphalt, crudes, and heavy oil (residuum). The stabilityvalues will allow the refiner to increase yields by allowing longer retentiontime in process. The compatibility values will allow blending of crudes soas to prevent asphaltene formation during blending and storage. Both ofthese parameters are of utmost importance when we consider the price ofcrude in today's market.Automated Flocculation Titrimeter• Complete instrument and data acquisition system• Rapid, accurate and highly reproducible• Determines blending insolubility and solubility numbers• Generates the data to calculate the WRI Coking Index (patent pending) topredict the proximity to coke formation during heavy oil distillation andimprove distillate yieldThe Automated Flocculation Titrimeter (AFT) is a highly automated,computerized instrument that acquires oil stability and compatibilityparameters directly. The AFT can be used to perform ASTM D6703 testmethod for Automated Heithaus Titrimetry. The instrument operates as aclosed system with accurately controlled temperatures between 20-100°C,important for properly determining Heithaus compatibility parameters. Theflocculation point is determined spectroscopically and the results areanalyzed by the data acquisition system, virtually eliminating operator errorin the interpretation of endpoints. A key benefit to the user is the fact that theasphaltene concentration can be calculated by the software much faster thattradition methods and with more accuracy. The utility of the original Heithausmethod has been expanded by developing multiple titration schemes. Thesoftware uses the data from the expanded method to predict the proximityto coke formation during heavy oil distillation. Many refiners stop distillationshort of coke formation to avoid fouling in distillation equipment, tanks andtransfer lines. The expanded AFT methodology allows the refiner to recoveradditional distillate without the fear of fouling. This attribute of the instrumentshould allow up to a 1-2% increase in yields if applied to a process.Conversely, the added benefit of being able to predict coking tendency,would prevent fouling of the process and thus decrease the use of energy inproduction as well as reduce down time due to having to clean vessels afterfouling.One of the primary uses of Heithaus values is to predict the compatibility(P Index) of which oils and petroleum residua or asphalts can be mixedtogether for shipping, processing, or in formulations without causing phaseseparation. This is valuable to the refiner, researcher, or asphalt jobber whosupplies petroleum asphalts for highway and roofing applications because itensures that compatible asphalt blends are supplied. Incompatible asphaltsshow early failure in both applications.Coking Index (US Patent 6,773,921)-Stability also influences cokeformation in the refining process. Another major use for the AFT is to acquirethe data needed to employ the Coking Index. The Coking Index is aquantitative measure of the proximity to coking (fouling) during visbreaking,distillation, transfer and storage of heavy oil. This allows the petroleum refinerto optimize heavy oil processing and to recover the maximum amount ofdistillate, and to stop the processing before fouling occurs.Solubility Parameter-The solubility parameter at which asphaltenes beginto precipitate and the solubility parameter of the whole oil can be calculatedfrom the AFT data.K47100 Automated Flocculation TitrimeterSpecificationsConforms to the specifications of:ASTM D6703Temperature Range: 20 to 100°CElectrical Requirements:115V 60Hz220-240V 50/60HzIncluded AccessoriesExternal Desktop PC with Data Acquisition SoftwareFiber Optic Spectrometer with Multi-Bandpass DetectorHigh and Low Flow Rate Metering PumpsMagnetic Stirring PlatesProgrammable Circulator with External Probe to Monitor JacketTemperature of the SampleReaction VesselsQuartz Flow Cell with Temperature Stability FeatureGlasswareThermometer ProbesDigital Variable Sample Circulator with Built in ReverseShipping InformationShipping Weight: 40 lbs (18.1kg)Dimensions: 11 Cu. ft.Dimensions lxwxh,in.(cm)Base/Support Assembly: 12x24x36 (30.5x61x91.4)Catalog No.K47100K47190Ordering InformationAutomated Flocculation Titrimeter, 115V 60HzAutomated Flocculation Titrimeter, 230V 50/60HzIn collaboration with Western Research Institute52
Distillation of Petroleum Products at Reduced PressureTest MethodDetermines the range of boiling points for petroleum products that can bepartially or completely vaporized at a maximum liquid temperature of400°C at reduced pressures. The sample is distilled at a controlled, reducedpressure under conditions that are designed to provide approximately onetheoretical plate fractionation. Initial and final boiling point is measuredand a distillation curve relating volume percent distilled and theatmospheric equivalent boiling point temperature can be prepared.VDS3000 Manual Vacuum Distillation System• Conforms to ASTM D1160 and related specifications• Comes standard with glassware set and accessories kit for“Turn-Key” set up and operation• Sturdy cabinet composed of aluminum frame and cold rolledsteel walls• Control Unit can easily attach and detach from the main unit offeringversatility for laboratory workspace• Clear protective door provides added safety while allowing theoperator full view of the system during testing• Equipped with digital temperature and vacuum displays for improvedmeasurement reading and accuracy• Upgrade to glassware set composed entirely of quartz availableupon requestThe Koehler VDS3000 Manual Vacuum Distillation System is the latestdesign for determining, at reduced pressures, the range of boilingpoints for petroleum products according to ASTM D1160 and relatedspecifications. The main body of the system or cabinet is composed ofan aluminum frame and cold rolled steel walls. The base of the cabinethouses a 5 Liter Stainless Steel Surge Tank to reduce pressurefluctuations during testing. The control unit of the system features aversatile, compact, modern design. Dual temperature displaysindependently show both the overhead and flask temperature of thesystem. Built in cooling fan rapidly cools the distilling flask allowing theuser to handle glassware and shorten turnaround time in between testruns. Equipped with complete glassware set and accessories kit for“Turn-Key” installation and operation of the Vacuum Distillation System.The Standard Glassware Set consists of 500mL quartz distilling flask withthermowell, vacuum jacketed distilling column and condenser assembly,water jacketed receiving cylinder, 90° elbow adapter tube, Dewar-TypeCold Trap with 10mL graduated receiver and stopcock drain, PT100 probeadapter, PT100 vapor temperature probe and PT100 flask temperatureprobe. The system also includes an adjustable scissor jack, heatingmantle, retaining springs, ball joint clamps, connection tubing, hoseclamps, quick connect adapters and fittings for easy connection ofjacketed glassware and tubing and vacuum grease.SpecificationsConforms to the specifications of:ASTM D1160; ISO 6616; JIS K2254Temperature Range: Ambient to 425°C (797°F)Temperature Display: 0.1°C resolutionTemperature Accuracy: ±0.5°CVacuum Range: 0.1 Torr to Atmospheric Pressure (760 Torr)Vacuum Display: 0.1 Torr resolutionVacuum Accuracy: ± 0.2 TorrExternal Circulator Temperature Range: Ambient +5°C to 150°CElectrical Requirements:115V 60Hz220-240V 50/60HzCatalog No.Order QtyK80300 VDS3000 Manual Vacuum Distillation System 1115V 60HzK80390 VDS3000 Manual Vacuum Distillation System220-240V 50/60HzAccessoriesK80320 VDS Vacuum Pump with Kit 1Consists of Vacuum Pump, Hose Nozzle,Centering O-Ring, Hinged Clamp, Outlet Filter,Filter O-Ring, Filter Clamp, 1 Liter Vacuum Oil,Connection Tubing, Hose Clamp (2)K33062K33063Ordering InformationK80300 VDS3000 VacuumDistillation SystemVacuum Pump and Refrigerated Constant Temperature Circulation Bathare not included with the VDS3000 System but are available from KoehlerInstrument Company, Inc. Please refer to Recommended Accessories inthe Ordering Information Section for details. Side shelf for housing theVacuum Pump and Circulation bath is also available upon request.Shipping InformationShipping Weight: 120 lbsDimensions: 15 Cu.ft.Dimensions wxdxh,in.(cm)Cabinet: 29 1 ⁄2 x 9 1 ⁄4 x 32 1 ⁄2 (75 x 23.5 x 82.6)Control Box: 7 3 ⁄4 x 9 1 ⁄4 x 9 3 ⁄4 (19.7 x 23.5 24.7)Net Weight:Cabinet: 62 lbs (28.2 kg)Control Box: 21 lbs (9.6 kg)Standard Constant Temperature Circulation Bath, 115V 60HzStandard Constant Temperature Circulation Bath,220-240V 50/60Hz53
Page 1 and 2: General Test EquipmentTest MethodsP
Page 3 and 4: Aniline Point and Mixed Aniline Poi
Page 5 and 6: ASTM Color of Petroleum ProductsTes
Page 7 and 8: Automated ColorimeterAutomated Colo
Page 9 and 10: Density, Relative Density (Specific
Page 11: Coulometric Karl Fischer TitratorTe
Page 15 and 16: Distillation of Petroleum ProductsT
Page 17 and 18: Automatic Distillation of Petroleum
Page 19 and 20: Ramsbottom Carbon Residue of Petrol
Page 21 and 22: Sediment in Crude Oils and Fuel Oil
Page 23 and 24: Water and Sediment Determination in
Page 25 and 26: Rust Protection by Metal Preservati
Page 27 and 28: Sampling of Petroleum and Petroleum
Page 29 and 30: Automatic Melting Point Range Appar
Page 31 and 32: General Purpose BathsProgrammable M
Page 33 and 34: Refractive Index of Petroleum Produ
Page 35 and 36: Automatic TitrationTest MethodFor d
Page 37 and 38: Oxidation Stability of Foods, Oils,

General Test Equipment - Koehler Instrument Co., Inc.

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