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7/28/2019 CS OG Process Analytics in GTL Plants
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As premium-grade hydrocarbon feed-stocks prices rise, synfuels and novelpetrochemical processes are becom-ing increasingly valuable. Natural gasrepresents an abundant alternativehydrocarbon source to crude oil. It isdistributed throughout the world andrepresents a cleaner fuel compared tocrude oil.Therefore, the method of convertingnatural gas to marketable liquidhydrocarbons (GTL) gets increasinginterest worldwide. Large plants have
been erected and are in the designphase with a tremendous need in pro-cess instrumentation including pro-cess analyzer systems.
Siemens, a leader in process analyticalinstrumentation, has proven overdecades its capability to plan, engi-neer, manufacture, implement andservice such analyzer systems.
This Case Studyprovides details aboutthe GTL process and related analyzertasks.
NG, FT and GTLNatural Gas (NG) is a vital compo-nent of the world's supply of energy.It is one of the cleanest, safest, andmost useful of all energy sources.NG is colorless, shapeless, and odor-less in its pure form. It is combusti-ble, and when burned it emits lowerlevels of potentially harmful by-products into the air than otherfuels. NG is a mixture of hydrocar-bon gases. While it is formed prima-rily of methane, it can also includeethane, propane, butane, pentaneand certain impurities. NG has beenwidely used to make commodityproducts such as methanol orammonia. But in light of environ-mental and economic climate todayits conversion to synthetic liquidhydrocarbons has become a mostimportant objective worldwide.
It was already in 1923, whenFischer and Tropsch (FT) developedthe process of converting coal into
syngas and from there into gaso-line. But it took many decades fromthis FT-process origin before the firstcommercial FT-based plant, usingNG instead of coal, was put intooperation. Meanwhile, new technol-ogies have been and are beingdeveloped to convert NG to liquids inGas-to-Liquid (GTL) processes.Commercial interest in using thesenew technologies arise from e.g.increasing consumer demand forcleaner burning fuels or from the
opportunity to develop gas reservesremote from existing markets.
Consequently, many GTL plants existtoday, are under development or indesign phase using different FT-pro-cess technologies (Sasol, Shell,Exxon, e.a.). Whatever technology isapplied, the process steps requirealways to be monitored and con-trolled continuously.Process analyzers play an importantrole for that. Hundreds of processanalyzers, most of them process gaschromatographs, are in use in atypical GTL plant.
Process Analyticsin Gas-to-Liquid (GTL) Plants
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The GTL process at a glance
Process chainThe GTL process chain consists of anumber of fundamental processingsteps each of which is important toachieve the final goal of producing highquality synthetic liquid hydrocarbons.The Fischer-Tropsch (FT) reaction isconsidered the heart of the process-chain. Its overall efficiency dependsstrongly on the type of reactor technol-ogy used as well as on the catalystmaterial applied.
The three main process steps and asso-
ciated utilities include (Fig. 1):Syngas generationSyngas (Synthesis gas) is composed ofhydrogen (H2), carbon monoxide (CO)and carbon dioxide (CO2), whereas theration H2/CO is important in view of theprocess efficiency using a certain cata-lyst material. Syngas is produced fromnatural gas (NG) through a reformingprocess. Various technologies are usedfor that, with or without air or oxygen,such as Steam Methane Reforming(SMR), Partial Oxidation (POX),Autothermal Reforming (ATR), e.a.
Syngas conversionThe conversion of syngas to hydrocar-bons comprises the process of H2 andCO molecules to form -CH2- alkyl radi-cals and water in an exothermic reac-tion. The -CH2- radicals then immedi-ately combine in a preferably iron orcobalt based catalytic reaction to makesynthetic olefin and/or paraffin hydro-carbons of various chain-lengths (highboiling point wax and olefinic naphta).This process is called the Fischer-Tropsch (FT) synthesis process.
Synthesis product upgradingThe longer straight-chain paraffins arepure solid waxes at room temperaturewith a limited market only. Therefore,to obtain a better usable scope of hydro-carbons, the waxy paraffins need to beupgraded to recieve products withshorter chain length and lower boilingpoints. This is realized through e.g. cat-alytic hydrocracking of the wax streamsand hydrotreating of the naphta.
Utilities and by-product treatmentUtilities are pieces of equipment to pro-vide services such as heat or electricitynecessary to fulfill the plants main goal.
By-products of the FT-process are the
FT-tail gas and the FT water each ofwhich is treated in order to improveplant efficiency.
Various technologiesVarious technologies have been devel-oped and are implemented worldwidein GTL plants:
Sasol has developed various reactortypes with the slurry phase distillateprocess being the most recent.
Statoil uses a slurry reactor in whichsyngas is fed to a suspension of cata-lyst particles in a hydrocarbon slurrywhich is a product of the processitself.
The Shell Middle Destillate Synthesis(SMDS) process focuses on maximis-ing yields of middle distillates such askerosene and gas oil.
Exxon uses a slurry design reactor andpropietary catalyst system. The pro-cess can be adjusted to produce arange of products.
Rentech uses a molten wax slurryreactor and a precipitaded ironcatalyst.
Fig. 1: Generic Gas-to-Liquids (GTL) process, simplified
Water treatment
Syngas generation
Syngas Conversion
Utilities and by-product upgrading
Synthesis product upgrading
NG pretreatment Syngas
conditioningNG reforming
Water
treatmentHydrogen
Tail gas
processing
Fractionation
Air separation
Final products
LPG
Naphtha
Kerosine
Diesel
Lubricants
Syngas
H2, CO, CO2
Natural Gas (NG)
CH4
Air
Steam
Fuel
Oxygen
FT Synthesis
(to synthetic HC)Hydrocracking
Hydrotreating
Water treatmentWater treatment
Syngas generation
Syngas Conversion
Utilities and by-product upgrading
Synthesis product upgrading
NG pretreatmentNG pretreatment Syngas
conditioningNG reforming
Water
treatmentHydrogenHydrogen
Tail gas
processing
FractionationFractionation
Air separationAir separation
Final products
LPG
Naphtha
Kerosine
Diesel
Lubricants
Syngas
H2, CO, CO2
Natural Gas (NG)
CH4
AirAir
SteamSteam
FuelFuel
OxygenOxygen
FT Synthesis
(to synthetic HC)Hydrocracking
Hydrotreating
Hydrocracking
Hydrotreating
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Syngas generation (ctd.)Syngas conversion (FT Synthesis)
FT SynthesisIn the FT Synthesis, synthesis gas is con-verted into liquid hydrocarbon chainsbased on the famous FT Chemistry.In the chain growth reaction a widescope of products is formed ranging
from very light to heavy paraffins.The most important element of thisreaction is the type of catalyst used.Two predominant formulations are inuse, one based on iron and the other oncobalt. Both feature advantages and dis-advantages and differ, amongst others,in their suitability with respect to feedcomposition and desired product scope.
Besides the catalyst, the design andoperation principle of the conversionreactor is another key element. Varioustypes of FT reactor systems are in use,which have in common the need to
remove the exothermic heat of thereaction. But they show also fundamen-tal differences.
Fixed bed reactorThis is a reactor that uses a catalystpacked in vertical tubes surrounded bya coolant medium and arranged in avertical vessel. The syngas flows down-wards through the tubes and heatis removed through the tube wallsto produce steam.
Fluidized bed reactorIn fluidized bed reactors, the gas isblown up through the solid catalyst par-ticles causing them to lift and separate.Thus the particles are fluidized and thegas is converted by passing the fluidized
bed of catalyst particles. Heat transfercoils within the reactor remove the heatand generate steam.
Slurry reactorA slurry reactor contains a slurry of mol-ten wax and FT liquid products with thepowdered catalyst dispersed through it.The syngas is bubbled through this mix-ture and thus converted. Heat is recov-ered via cooling coils, which generatesteam.
Process analysis in FT SynthesisA great number of process analyzers are
used in the FT synthesis section.Details will differ from plant to plantdepending on process technlogy andplant design. Therefore, Fig. 4 andTable 2 show typical measuring pointlocations and typical measuring tasks.
Syngas
Catalyst
filled tubes
Steam
Vapor / Liquid
Effluent
Syngas
Catalyst
filled tubes
Steam
Vapor / Liquid
Effluent
Syngas
Steam
Vapor
Effluent
Liquid
Effluent
Catalyst
Syngas
Steam
Vapor
Effluent
Liquid
Effluent
Catalyst
Syngas
Steam
Vapor
Effluent
Liquid
Effluent
Catalyst
Separation
Catalyst
Slurry
Syngas
Steam
Vapor
Effluent
Liquid
Effluent
Catalyst
Separation
Catalyst
Slurry
Table 1: Process analyzer measurging tasks in syngas generation section (corresp. to Fig. 2)
Sampling pointSampling stream
MeasuringComponents
Suitable Analyzer
1.1 SaturatorCondensate stabilizer
Total SH2S
MAXUMMAXUM
1.2 Hydrogenation/ Desulphurization
Claus off gas
Total S, H2S, CO2MercaptansO2, SO2
MAXUMMAXUMOXYMAT 6, TPA
1.3 Dehydration/ Mercaptan removal RSH, Total S, COS, H2S MAXUM
1.4 LPG RSH, Total S, COS, H2S,Mercaptans
MAXUM
1.5 Propane, Butane product C2-C4, C3-C5+ MAXUM / MicroSAM
1.6 Treated NG Total S (ppm/ppb) MAXUM
1.7/1.8 Various furnaces flue gases andprocess off gases
O2, SO
2, NO
x, H
2, ... OXYMAT 6, ULTRA-
MAT 6, CALOMAT 6
1.9 Raw Syngas CH4, CO2 ULTRAMAT 6
1.10 Syngas H2, CO, CO2, N2, CH4,COS, H2S, TS
MAXUM
TPA: Third party analyzer
Fig. 3: Fixed-bed, Fluidized-Bed and Slurry
reactor (from top)
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Product Upgrade and By-product Treatment
Product UpgradeConventional refinery processes can beused for upgrading of FT liquid and waxproducts such as fractionation,hydroc-racking, isomerization, hydrotreatingetc. (Fig. 4).Final products from FT synthesis are ofhigh quality due to a very low aromaticsand almost zero sulfur content.
Primary separationPrimary separation occurs alreadywithin the FT block (Fig. 4) and basically
separates from each other the straight-run synthetic
hydrocarbon FT liquid streams.
the non-converted FT tail gas,
the FT water streams,
the molten wax stream
Hydrocracking/Isomerization (HCI)Hydrocracking is preferably used to con-vert the wax into lighter distillates withshorter chain length and lower boilingpoints. It uses fixed-bed reactors andsuitable catalysts. Hydrogen is suppliedeither with PSA purity or as pure hydro-
gen made from a slip stream of syngas.HydrogenationHydrogenation is applied to the naphtato saturate straight-run productstreams.
FractionationLiquid effluent from the hydrocrack-ing/isomerizaton block is heated andthen distilled. The separate products arewithdrawn, cooled and sent to theirstorage tanks.
By-producttreatment
FT Tail GasFT tail gas representsunconverted reactantsand light hydrocarbonswhich are normallyrecycled to the syngasgeneration section.However, this is possi-ble only to a certainlimit due to the pres-
ence and build-up ofgases such as Nitrogenand Argon. Therefore,the tailgas is partlypurged out of the sys-tem and possibly usedfor combustion e.g. ina gas turbine. In theextreme case no recy-cle is possible and all tail gas is purged.
The tail gas contains components suchas hydrogen, water, methane, carbonmonoxide, carbon dioxide, nitrogenargon, and heavier hydrocarbons.
Typically hydrogen is removed from thetail gas for further use by a PSA (Pres-sure Swing Absorber).
FT Synthetic WaterFT synthetic water is co-produced andneed to be removed from the reactor.Some of the contained components canbe recycled to the syngas generationsection, while other must be removed
by a special water treatment procedure(stripping by steam, removing bymechanical means, converting throughbiological measures).
Process analysis in product upgradeand by-product treatment
A great number of process analyzers areused in the product upgrade and by-product treatment section. Details willdiffer from plant to plant depending onprocess technlogy and plant design.
Fig. 4 and Table 2 show typical measur-ing point locations and typical measur-ing tasks.
Table 2: Process analyzer measuring tasks in the FT synthesis and product upgrade section
Sampling pointSampling stream
Measuring Component Suitable Analyzer
3.1 Syngas feed H2, CO, CO2, N2, CH4, COS, H2S,Total S
MAXUM
3.2 Syngas FT reactor H2S, COS, Total S MAXUM3.2 Syngas FT reactor H2, CO, CH4, N2, C2-C6+,H2/CO ratio MAXUM / MicroSAM
3.3 Tail gas, PSA unit CO; CO/CO2 ULTRAMAT 6 / MicroSAM
3.4 Recycle gas CO, CO2, CH4, N2,H2, H2/CO ratio MAXUM
3.5 Off gas H2, CO, CH4, N2, C2-C5, H2/CO ratio MAXUM
3.6 FT liquids Related components MAXUM
3.7 LPG C4, C5+ MAXUM / MicroSAM
3.8 Final products Related components MAXUM
Various off/flue gases O2 OXYMAT 6/61
Various off/flue gases SO2, NOx ULTRAMAT 6
Fig. 4: FT Synthesis and Upgrade of FT products
RecycleOff Gas
FT Water Wax
FT
Liquids
FT Tail Gas
Hydrocracking
FT Reactor
Syngas
Fractionation
Hydrogenation
Recycle
Lubricants
Naphtha
LPG
Kerosene
Diesel3.1
3.2
3.3
3.4 3.5
3.7
3.8
3.8
3.8
3.6
RecycleOff Gas
FT Water Wax
FT
Liquids
FT Tail Gas
Hydrocracking
FT Reactor
Syngas
Fractionation
Hydrogenation
Recycle
Lubricants
Naphtha
LPG
Kerosene
Diesel3.13.1
3.23.2
3.33.3
3.43.4 3.53.5
3.73.7
3.83.8
3.83.8
3.83.8
3.63.6
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Utilities
Steam and oxygenUtilities are pieces of equipment to pro-vide services such as heat or electricitynecessary to fulfill the plants main goal.
Syngas generation requires, dependingon the technology, steam, compressedair, and oxygen.While steam production simply requiresa fired boiler, the production of oxygenis a more complex process. Large-scaleoxygen production uses cryogenic airseparation processes, which rely on dif-
ferences in boiling points to separateand purify products. Cryogenic air sepa-ration plants are referred to as an AirSeparation Unit (ASU) or Oxygen Plant.
Numerous different process configura-tions are in use, but all of them includethe following steps Fig. 5):
Filtering and compressing air
Removing contaminants, includingwater vapor and carbon dioxide(which would freeze in the process)
Cooling the air to very low tempera-ture through heat exchange andrefrigeration processes
Distilling the partially-condensed airto produce desired products
Warming gaseous products and wastestreams in heat exchangers that alsocool the incoming air
The units of the ASU that operate at verylow temperatures (distillation columns,heat exchangers and cold interconnect-ing piping sections) must be well insu-lated to minimize energy consumption.Therefore, these components arelocated inside insulated "cold boxes.
Fig. 5 and Table 3 present typical mea-
suring point locations and related mea-suring tasks in a ASU.
Prozess analytics at Utilities
For steam generation units, typically,analyzers are used to optimize the com-bustion process (O2)as well as to moni-tor the flue gas for polluting compo-nents (SO2, NOx, ...) according to thelocal regulations.
At air separation plants numerous ana-lyzer are used. Fig. 5 and Table 3 displaytypical measuring point locations andrelated measuring tasks.
Fig. 5: Oxygen production throug air separation (G: gaseous; L, LI: liquid)
CoolerCompressorFilter
Mol.
sieve
Column /Cold box
LOX
Air
Heat exanger
LIN
LAR
GAN
GOX
LiquidsGases
4.1
4.6 4.5
4.4
4.3
4.2
4.7
CoolerCompressorFilter
Mol.
sieve
Column /Cold box
LOX
Air
Heat exanger
LIN
LAR
GAN
GOX
LiquidsGases
4.1
4.64.6 4.5
4.4
4.3
4.2
4.7
Table 3: Process analyzer measuring tasks in the oxygen production unit
Sampling pointSampling stream
MeasuringComponent
Meas.Range[ppm]
Suitable Analyzer
4.1 Air downstream compres-sor and filter
CO2AcetyleneH2O
0 ... 100 ... 50 ... 10
ULTRAMAT 6MAXUMTPA
4.2 Upper column, liquidphase
O2CO2
THC
98 ... 100%0 ... 100 ... 300
OXYMAT 6ULTRAMAT 6FIDAMAT 6
4.3 Liquid Oxygen to tank O2Argon
99 ... 100%0 ... 10 ppm
OXYMAT 6MAXUM
4.4 Liquid Argon to tank O2 ppm range TPA
4.5 Liquid Nitrogen to tank O2 ppm range TPA
4.6 Nitrogen (gas) to pipe O2 ppm range TPA
4.7 Oxygen (gas) to pipe O2 98 ... 100% OXYMAT 6
TPA: Third party analyzer
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Siemens Process Analytics at a glanceProducts
Siemens Process AnalyticsSiemens Process Analytics is a leadingprovider of process analyzers and pro-cess analysis systems. We offer our glo-bal customers the best solutions fortheir applications based on innovativeanalysis technologies, customized sys-tem engineering, sound knowledge ofcustomer applications and professionalsupport. And with Totally IntegratedAutomation (TIA). Siemens ProcessAnalytics is your qualified partner forefficient solutions that integrate pro-
cess analysers into automations sys-tems in the process industry.
From demanding analysis tasks in thechemical, oil & gas and petrochemicalindustry to combustion control inpower plants to emission monitoring atwaste incineration plants, the highlyaccurate and reliable Siemens gas chro-matographs and continuous analyserswill always do the job.
Siemens process Analytics offers a wideand innovative portfolio designed tomeet all user requirements for compre-hensive products and solutions.
Our ProductsThe product line of Siemens ProcessAnalytics comprises extractive and in-situ continuous gas analyzers (fig. 6 to9), process gas chromatographs (fig. 10to 13), sampling systems and auxiliaryequipment. Analyzers and chromato-graphs are available in different ver-sions for rack or field mounting, explo-sion protection, corrosion resistant etc.
A flexible networking concept allowsinterfacing to DCS and maintenancestations via 4 to 20 mA, PROFIBUS,
Modbus, OPC or industrial ethernet.
Fig. 6: Series 6 gas analyzer (rack design)
Fig. 7: Product scope Siemens Continuous Gas Analyzers
Extractive Continuous Gas Analyzers (CGA)
ULTRAMAT 23 The ULTRAMAT 23 is a cost-effective multicomponent analyser for themeasurement of up to 3 infrared sensitive gases (NDIR principle) plusoxygen (electrochemical cell). The ULTRAMAT 23 is suitable for a widerange of standard applications. Calibration using ambient air eliminatesthe need of expensive calibration gases.
CALOMAT 6/62 The CALOMAT 6 uses the thermal conductivity detection (TCD) methodto measure the concentration of certain process gases, preferably hydro-gen.The CALOMAT 62 applies the TCD method as well and is speciallydesigned for use in application with corrosive gases such as chlorine.
OXYMAT 6/61/64 The OXYMAT 6 uses the paramagnetic measuring method and can beused in applications for process control, emission monitoring and qualityassurance. Due to its ultrafast response, the OXYMAT 6 is perfect formonitoring safety-relevant plants. The corrosion-proof design allowsanalysis in the presence of highly corrosive gases.
The OXYMAT 61 is a low-cost oxygen analyser for standard applications.The OXYMAT 64 is a gas analyzer based on ZrO2 technology to measuresmallest oxygen concentrations in pure gas applications.
ULTRAMAT 6 The ULTRAMAT 6 uses the NDIR measuring principle and can be used inall applications from emission monitoring to process control even in thepresence of highly corrosive gases.ULTRAMAT 6 is able to measure up to 4 infrared sensitive components ina single unit.
ULTRAMAT 6 /OXYMAT 6
Both analyzer benches can be combined in one housing to form a multi-component device for measuring up to two IR components and oxygen.
FIDAMAT 6 The FIDAMAT 6 measures the total hydrocarbon content in air or even inhigh-boiling gas mixtures. It covers nearly all requirements, from tracehydrocarbon detection in pure gases to measurement of high hydrocar-bon concentrations, even in the presence of corrosive gases.
In-situ Continuous Gas Analyzer (CGA)
LDS 6 LDS 6 is a high-performance in-situ process gas analyser. The measure-ment (through the sensor) occurs directly in the process stream,no extractive sample line is required. The central unit is separated fromthe sensor by using fiber optics. Measurements are carried out in real-time. This enables a pro-active control of dynamic processes and allowsfast, cost-saving corrections.
Fig. 8: Series 6 gas analyzer (field design) Fig. 9: LDS 6 in-situ laser gas analyzer
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Siemens Process Analytics at a glanceProducts (continued) and Solutions
Fig. 10: MAXUM edition II Process GC
Fig. 11: MicroSAM Process GC
Fig. 12: SITRANS CV Natural Gas Analyzer
Our solutionsAnalytical solutions are always drivenby the customers requirements. Weoffer an integrated design covering all
steps from sampling point and samplepreparation up to complete analysercabinets or for installation in analysershelters (fig. 14). This includes also sig-nal processing and communications tothe control room and process controlsystem.
We rely on many years of world-wideexperience in process automation andengineering and a collection of special-
ized knowledge in key industries andindustrial sectors. We provide Siemensquality from a single source with a func-tion warranty for the entire system.
Read more in "Our Services.
Fig. 14: Analyzer house (shelter)
Process Gas Chromatographs (Process GC)
MAXUM edition II MAXUM edition II is very well suited to be used in rough industrial envi-ronments and performs a wide range of duties in the chemical and pet-rochemical industries and refineries.
MAXUM II features e. g. a flexible, energy saving single or dual oven con-cept, valveless sampling and column switching, and parallel chromatog-raphy using multiple single trains as well as a wide range of detectorssuch as TCD, FID, FPD, PDHID, PDECD and PDPID.
MicroSAM MicroSAM is a very compact explosion-proof micro process chromato-graph. Using silicon-based micromechanical components it combinesminiaturization with increased performance at the same time.
MicroSAM is easy to use and its rugged and small design allows mount-ing right at the sampling point. MicroSAM features drastically reducedcycle times, provides valveless sample injection and column switchingand saves installation, maintenance, and service costs.
SITRANS CV SITRANS CV is a micro process gas chromatograph especially designedfor reliable, exact and fast analysis of natural gas. The rugged and com-pact design makes SITRANS CV suitable for extreme areas of use, e.g. off-shore exploration or direct mounting on a pipeline.
The special software "CV Control" meets the requirements of the naturalgas market, e.g. custody transfer.
Fig. 13: Product scope Siemens Process Gas Chromatographs
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Siemens Process Analytics at a glanceSolutions (continued) and Services
Our solutions ...
Analyzer networking fordata communicationEngineering and manufacturing of pro-cess analytical solutions increasinglycomprises "networking". It is getting astandard requirement in the processindustry to connect analyzers andanalyzer systems to a communicationnetwork to provide for continuous anddirect data transfer from and to theanalysers.The two objectives are (fig. 16):
To integrate the analyzer andanalyzer systems seamless into thePCS / DCS system of the plantand
To allow direct access to the analyzersor systems from a maintenancestation to ensure correct and reliableoperation including preventive orpredictive maintenance (fig.15).
Siemens Process Analytics provides net-working solutions to meet the demandsof both objectives.
Our ServicesSiemens Process Analytics is your com-petent and reliable partner world widefor Service, Support and Consulting.
Our rescources for that are
ExpertiseAs a manufacturer of a broad variety
of analyzers, we are very much expe-rienced in engineering and manufac-turing of analytical systems andanalyzer houses.We are familiar with communicationnetworks, well trained in service andmaintenance and familiar with manyindustrial pro cesses and industries.Thus, Siemens Process Analytics ownsa unique blend of overall analyticalexpertise and experience.
Global presenceWith our strategically located centersof competence in Germany, USA,Singapore, Dubai and Shanghai, weare globally present and acquaintedwith all respective local and regionalrequirements, codes and standards.All centers are networked together.
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Fig. 17: Portfolio of services
Fig. 15: Communication technologies
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Siemens Process Analytics at a glanceServices, continued
Our Services ...
Service portfolioOur wide portfolio of services is seg-mented into Consulting, Support andService (fig. 17 to 18). It comprisesreally all measures, actions and advisesthat may be required by our clientsthroughout the entire lifecycle of theirplant. It ranges from site survey toinstallation check, from instruction ofplant personnel to spare part stock man-agement and from FEED for ProcessAnalytics (see below) to internet-basedservice Hotline.
Our service and support portfolio(including third-party equipment) com-prises for example:
Installation check
Functionality tests
Site acceptance test
Instruction of plant personnel on site
Preventive maintenance
On site repair
Remote fault clearance
Spare part stock evaluation
Spare part management
Professional training center
Process optimisation
Internet-based hotline
FEED for Process Analytics
Technical consullting
FEED for Process AnalyticsFront End Engineering and Design(FEED) is part of the planning and engi-neering phase of a plant construction ormodification project and is done afterconceptual business planning and prior
to detail design. During the FEED phase,best opportunities exist for costs andtime savings for the project, as duringthis phase most of the entire costs aredefined and changes have least impactto the project. Siemens Process Analyt-ics holds a unique blend of expertise inanalytical technologies, applicationsand in providing complete analyticalsolutions to many industries.
Based on its expertise in analytical tech-nology, application and engineering ,Siemens Process Analytics offer a widescope of FEED services focused on anal-ysing principles, sampling technologies,application solutions as well as commu-nication system and given standards (allrelated to analytics) to support our cli-ents in maximizing performance andefficiency of their projects.
Whether you are plant operators orbelong to an EPC Contractor you willbenefit in various ways from FEED forProcess Analytics by Siemens:
Analytics and industry know howavailable, right from the beginningof the project
Superior analyzer system perfor-mance with high availability
Established studies, that lead to
realistic investment decisions Fast and clear design of the analyzer
system specifications, drawings anddocumentation
Little project management andcoordination effort, due to oneresponsible contact person andless time involvement
Additional expertise on demand,without having the costs, the effortand the risks of building up the capac-ities
Lowest possible Total Costs of Owner-ship (TCO) along the lifecycle regard-
ing investment costs, consumptions,utilities supply and maintenance.
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Fig. 18: Portfolio of services provided by Siemens Process Analytics
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www.siemens.com/processanalytics Siemens AG 2007Subject to change
Case Study
Siemens AG
Automation and DrivesSensors and CommunicationProcess Analytics
Siemens Process Analytics - Answers for industry
If you have any questions, please contact your local sales representative or any of the contact addresses below:
Siemens AGA&D SC PA, Process Analyticsstliche Rheinbrckenstr. 5076187 KarlsruheGermany
Phone:+49 721 595 3829Fax: +49 721 595 6375E-mail:[email protected]/prozessanalytics
Siemens Ltd., ChinaA&D SC, Process Analytics7F, China Marine TowerNo.1 Pu Dong AvenueShanghai, 200120P.R.China
Phone:+86 21 3889 3602Fax: +86 21 3889 3264E-mail: [email protected]
Siemens Energy & Automation Inc.7101 Hollister RoadHouston, TX 77040USA
Phone:+1 713 939 7400Fax: +1 713 939 9050E-mail: [email protected]
www.siemens.com/processanalytics
Siemens LLCA&D 2B.PO Box 2154,Dubai, U.A.E.
Phone:+971 4 366 0159Fax: +971 4 3660019E-mail: [email protected]/processanalytics
Siemens Pte. LimitedA&D SC PS/PA CoC60 MacPherson RoadSingapore 348615
Phone:+65 6490 8728Fax: +65 6490 8729E-mail: [email protected]
www.siemens.com/processanalytics