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oil refinery - Science method

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As heat exchangers in the heat exchanger networks get fouled, the utility in the furnace has to increased to compensate the losses.
Apart from it, the pumping cost must be increasing as deposited foulants in the heat exchangers occlude the fluid flow.
What are the usual proportions of the pumping costs and heating costs ?
#ShellandTubeHeatExchangers #Fouling #Utlity #pumpingcosts
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I can't share the paper because it is the property of CTI. You could get it from them. They should have the abstracts for all papers at their website. Check out their Water Treatment & Maintenance group for more topics.
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Suppose we have a HEN with several multi-pass heat exchangers. However, due to some technical constraints all these exchangers are modelled simply using single pass equations.
What will the impact if such a simplistic model is used in optimization problems, such as network optimization for retrofitting or cleaning scheduling?
For instance, it is clear that we may not end up with global optimal solutions but still what will the qualitative impact of such approximations?
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To formulate of this model you need to consider the amount of information included in it:
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For sake of validation, I would like to compare one of the simulated streams with the experimental TBP curve. Is it possible somehow to generate a TBP curve in ChemCAD having only a CC-steady state license?
Best regards,
Marcin
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I am answering myself, but still, it may be useful as a reference. Menu Drawing\StreamBox and tick Petroleum Assay in Properties.
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I have been convinced by the concept of direct desulfurization of crudes. The commercial development in this technology will help ridding off the require the of mutilpe reactors with different ranges of Catalytic beds in the modern petroleum refinery.
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Ahh Bugs replacing refinery process again. A 50+ year old dream that will probably come true some day - but probably not in my lifetime.
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Hello everyon! I am using an Agilent 7890 based refinery gas analyzer, and I found a strange phenomeno. If I analyse sample with lo concentration of oxygen (our CRM gas is 0,5 V/V%) the oxygen peak elutes in a double peak. I calculated the response factors, and the oxygen‘s response factor is two or three times higher than the nitrogen’s ( I assume that it should be nearly the same). I think that a part of the oxygen is trapped or lost during the analysis. Do you have any ideas what can be the problem?
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An Agilent 7890 is the make and model of a Gas Chromatography (GC) system. By itself, it is not a specific "gas analyzer". A GC is used with a column, detector and a proper method of analysis to provide data. Collectively, that makes up the GC Method. You did not provide any GC method information and the possible reasons, esp training, to see a peak doublet (if that is in fact what it is) number in the hundreds. If you could provide a chromatogram, with clear scales and the detailed analysis method, then it may be possible to provide some constructive suggestions.
  • Note: REAL peak 'doublets' are often caused by things like: overloading the column, wrong temperature profile, damage to the column inlet and/or incorrect connection to the column, contamination, co-elution, injector conditions which are inappropriate for the sample etc. Try to create a multi-level calibration table with stds to measure the retention, response and linearity of your method. Confirm the GC and method used are appropriate for the application. If possible, please contact the professionally trained GC chromatographer at your facility to assist you with the method and interpret the observation.
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is there any way to estimate GHG emission for total oil downstream flow in a country or estimating an oil refinery emission??
is there any statistics on GHG emission in any oil refinery in iran??
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You can perform life cycle analysis to estimate GHG and other environmental impacts of an oil refinery. For Iran you would need to build the inventory through local sources.
Meanwhile, following documents may help you:
1) Regionalized Life Cycle Assessment of Oil Refineries worldwide
10.13140/RG.2.2.35528.78080
2) Life cycle inventories of oil refinery processing and products - ESU-services
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I am working in Havana Bay, and we are analysing the effect of a WWTP in the oil refinery. I think that it important to know how much pollution could be eradicated.
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Or try this - this approach will work with WRc's STOAT, which is a free download. (I work on STOAT)