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Latest posts
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Prevent Flow Maldistribution
"In a cooling water system, I have four shell-and-tube heat exchangers in cooling water service. How can I prevent flow maldistribution across these four heat exchangers
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Adsorption On Activated Carbon
Heavy Hydrocarbon Adsorption on Activated Carbon: Bed Sizing and Pressure Drop Calculation
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Power Generation
I’m trying to better understand how power generation capacity is determined for an oil production field. How do you determine the right power generation capacity for an oil field? Power demand changes over the life of a field, and so can the availability of fuel gas. This makes…
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Amine Re Generator Reboiler
"I am currently working on the process design of a natural gas CO2removal unit using activated MDEA (aMDEA) solution. The design parameters are: gas flow rate of 77 MMSCFD, inlet CO2 concentration of 15%, and outlet CO2 concentration of ppm}. Preliminary calculations show that…
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Who Has The Book
Gas Conditioning and Processing Volume 2 9th edition pdf，joln， campbell，
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Safety Valve
When sizing and selecting a safety valve for fire contingency, the operating pressure and temperature are 7 MPa and 80°C respectively, but the relieving temperature reaches 425°C under fire conditions. How should the material selection for the safety valve be considered—should…
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Column Bottom Temperature
Dear All, I have been trying to simulate a distillation column to separate butanol and water. The bottom product should be high purity butanol (>90%), I am able to match the composition, but I couldn't match the operating temp at the bottom (approx. 120 C, the temp indicator is…
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Rip - Stephen M. Hall
A friend on another forum notified me that, Steve Hall , a member of this community passed away yesterday. His son placed his obituary on LinkedIn. He will be missed. Rest in peace, Steve.
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Column Sizing
"When using HYSYS to calculate column internals for either a structured or random packed column, the calculated pressure drop is extremely low and falls below the lower limit. In this scenario, does it significantly impact the separation efficiency? Additionally, what is the…
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Electric Heat Tracing—Pipe-Wall Temperature Vs. Actual Fluid Temperatu
Hello I would appreciate clarification on what “process temperature maintenance” means when specifying electric heat tracing. Consider a water-saturated gas entering a pipe at 35°C, with a water dew point of 35°C at the inlet pressure. If the specified heat-tracing maintenance…
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Natural Gas Pre-Cooling Unit
This is a natural gas molecular sieve dehydration process, and the red arrow points to a natural gas pre-cooling unit. Could you please specify what exact equipment this is? I haven't used this type of equipment before.
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Gas Liquefaction
For natural gas purification, the professional textbook is Gas Purification; is there a similar authoritative or specialized book available for natural gas liquefaction
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In Hysys, For Horizontal Vessel Sizing,
In HYSYS, for horizontal vessel sizing, why do the calculated vapor space height and allowable velocity not match? For example, I set a maximum allowable velocity, and it gives a vapor space height and diameter. When I use that diameter to recheck the vapor velocity, the result…
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Installation Of Vertical Pass Partition Plate In Kettle Type Steam Reb
The designer has selected a TEMA BKU type steam reboiler with a two-pass vertical pass partition plate on the tube-side, where steam is used as the heating medium. What is the technical justification for choosing a vertical pass partition plate and does it face operational…
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Process Plant Insights Dot Com
https://processplantinsights.com/ is a website that breizh referenced in the past day. It seems an excellent resource for heat exchanger design by an experienced engineer who has clear ability to teach. Very nice explanations of practical design considerations! Do you know the…
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Pid
chemical engineering progress anyone have effectively control column pressure
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P＆id
Who has the typical P&ID drawings for the deethanizer, depropanizer, and LPG splitter/fractionator。 Additionally, what type of column is a crude oil stabilizer—a stripper or a fractionator? How are the temperature and pressure controls, as well as the number of trays, determined…
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Sizing Two-Phase And Three-Phase Separators
hello，Could you share an Excel sheet for sizing two-phase and three-phase separators
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Sour Water Handling And Treatment System
Need an expert opinion on the design of the sour water handling system. Is this design workable or not? As per the PFDs, a mixture of sour water and 50% hydrocarbons enters a three-phase separator operating at 185 psig and 120°F. The separator is provided with an LCV to control…
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Htri Automation Server
Hi I want to connect paython to HTRI by using "Htri automation server" but I can not find any help about that. Does any one have information or sample about that