www.thepetrosolutions.com | Abu noor | Activity https://thepetrosolutions.com/members/dodge360l/activity/ Activity feed for Abu noor. Fri, 22 May 2026 10:40:51 +0000 https://buddypress.org/?v= en-US 30 hourly 2 978b1f588d3aaa4721467a21f2578705 Abu noor started the topic Bypassing diolefins reactor in DHT unit in the forum Hydroprocessing https:/forums/topic/diolefins-reactor-in-dht-unit/ Tue, 19 Oct 2021 10:43:28 +0000 During replacement of diolefins reactor in DHT unit.We can bypass this reactor and continued cocker naphtha to DHT reactor?
There is any impact to hydrotreater reactor and Fractionator column of we cutoff Cocker naphtha.we have SRGO and LCGO feed to hydrotreater reactor plus cocker naphtha after treated in diolefins reactor.
I need your suggestions
Thanks

]]> 0 e9268b0059caf332c58f2e757ffd7d0b Abu noor started the topic WABT changes while Feed Rate changes in hydrotreating unit in the forum Hydroprocessing https:/forums/topic/wabt-changes-while-feed-rate-changes/ Fri, 06 Aug 2021 10:31:42 +0000 I want to adjust WABT while feed rate changes in diesel hydrotreater unit.for example start of Run WABT 330 how I can adjust.please share with me excel sheet for proper calculation and adjustment.

]]> 0 c767a839c04b54d45084e13fa152d22a Abu noor started the topic Sulfiding of Diolefins Reactor in Diesel Hydrotreating unit in the forum Hydroprocessing https:/forums/topic/diolefins-reactor-in-diesel-unit/ Sat, 26 Jun 2021 14:09:02 +0000 In Diesel unit we have diolefins reactor it’s required both high temperature sulfiding and low temperature sulfiding or only low temperature sulfiding because we don’t have any hot source to increase the reactor inlet temperature more than 200 deg the preheater to the diolefins reactor is heated by fractionator bottoms?

]]> 0 ebb04f42831965051537a6dc18ab7681 Abu noor started the topic Hydrocraker unit (two stages) conversion calculation in the forum Hydroprocessing https:/forums/topic/hydrocraker-unit-two-stages-conversion-calculation/ Sun, 13 Jun 2021 09:17:48 +0000 How to make a calculation tag of conversion , recycle cut point and per pass conversion of hydrocracker without lab analysis ?

]]> 0 d1182bae744d2afbd5029fc02d117496 Abu noor's profile was updated https://thepetrosolutions.com/activity/p/499/ Sun, 30 May 2021 15:56:30 +0000 0 ae06035d627816b1f3687ff28724e75e Abu noor started the topic Feed Filters Pressure Control in Diesel Hydrotreating Unit in the forum Hydroprocessing https:/forums/topic/feed-filter-outlet-pressure-control/ Sun, 30 May 2021 15:55:13 +0000 What’s the purpose of feed filter pressure control in diesel unit?

]]> 0 7c47f25b5443a30be3b5570e41a33c12 Abu noor replied to the topic Diesel unit system pressure during sulfiding in the forum Hydroprocessing https:/forums/topic/diesel-unit-system-pressure-during-sulfiding/#post-1461 Sat, 24 Apr 2021 16:24:25 +0000 Thanks Mr.Naser

]]> 0 8c2adae75a76d506d83f91d6bfbdd122 Abu noor started the topic Diesel unit system pressure during sulfiding in the forum Hydroprocessing https:/forums/topic/diesel-unit-system-pressure-during-sulfiding/ Thu, 22 Apr 2021 17:29:38 +0000 In diesel hydrotreating unit during sulfiding why we can not increase system pressure 100% up to normal operating pressure?

]]> 0 e2c72e952cd564dcf66cad091f97dabf Abu noor replied to the topic Long loop and short loop circulation on DHT in the forum Hydroprocessing https:/forums/topic/long-loop-and-short-loop-circulation-on-dht/#post-1454 Tue, 13 Apr 2021 18:52:58 +0000 Thanks Mr.Nasser
For fast response

]]> 0 14eb040a84e7ab0c896de87e829374e9 Abu noor replied to the topic Long loop and short loop circulation on DHT in the forum Hydroprocessing https:/forums/topic/long-loop-and-short-loop-circulation-on-dht/#post-1449 Mon, 12 Apr 2021 14:50:05 +0000 Thanks Mr.Nasir
Once flushing is completed through system we can stop Fractionator pump which is used for internal circulation?
Only we will keep long loop circulation if not why?

]]> 0 5c811bb008054e0c9d7b626476dbe29c Abu noor started the topic Long loop and short loop circulation on DHT in the forum Hydroprocessing https:/forums/topic/long-loop-and-short-loop-circulation-on-dht/ Sat, 10 Apr 2021 10:32:58 +0000 What is the purpose of the cold, hot long loop circulation and short loop circulation on the hydrotreater unit?
And we can use hot or cold long loop circulation?

]]> 0 9876b258d4cf1e49b8b9c29d733a91be Abu noor replied to the topic BMS Heaters Firing Control in the forum Energy Management https:/forums/topic/bms-heaters-firing-control/#post-1427 Tue, 06 Apr 2021 07:56:32 +0000 As we discussed earlier here attached sketch for heaters firing control.

]]> 0 003fac50b6831571944fdbec622b4e09 Abu noor started the topic Diesel Vacuum Driers in the forum Process Operations https:/forums/topic/diesel-vacuum-driers/ Sat, 03 Apr 2021 09:49:13 +0000 I am looking for Start up, Shutdown and handover to maintenance diesel vacuum drier

]]> 0 87c945e9515dd55ce980cbff23438092 Abu noor started the topic BMS Heaters Firing Control in the forum Energy Management https:/forums/topic/bms-heaters-firing-control/ Sat, 03 Apr 2021 09:48:25 +0000 In BMS heaters which is better, more accurate,not hunting and good for turning?
1.connected temperature controller with Fuel gas controller
1 . Connected temperature with low selector.

]]> 0 6650ad8afc6b4a74d9bfa587664d9d1b Abu noor started the topic Heaters refractory dry out procedure in the forum Process Operations https:/forums/topic/heaters-refractory-dry-out/ Sun, 28 Mar 2021 17:43:32 +0000 I need guidelines for heaters refractory dry out. How much temperature should be maximum and minimum? which media we can use inside the coil (steam, nitrogen, oil….etc)or without media?

]]> 0 fa61e358e7a0988edbc700b270a265fb Abu noor replied to the topic Product stripper feed to fractionator furnace flow control in the forum Process Operations https:/forums/topic/product-stripper-feed-to-fractionator-furnace-flow-control/#post-1351 Mon, 22 Mar 2021 11:43:29 +0000 Dear Mr.Nasser
See the attachments for product stripper pump

]]> 0 c13603b7a27f8173f081c3291f06bcc3 Abu noor replied to the topic Product stripper feed to fractionator furnace flow control in the forum Process Operations https:/forums/topic/product-stripper-feed-to-fractionator-furnace-flow-control/#post-1334 Sun, 21 Mar 2021 09:17:24 +0000 Dear Mr. Nasir
Thanks a lot for your answer.
We have three pumps one turbine driven and others motor dirven.There is no
spillback is provided for this pump.Below is the product stripper level control with 8 passes.

]]> 0 e6a110a486598dab63a1e88db06e1fc7 Abu noor started the topic Product stripper feed to fractionator furnace flow control in the forum Process Operations https:/forums/topic/product-stripper-feed-to-fractionator-furnace-flow-control/ Fri, 19 Mar 2021 18:29:03 +0000 How to control the flow from product stripper feed to fractionator furnace 8 passes after product pumpe started?

]]> 0 415d7e2e965955ca3780138e6d7ddac2 Abu noor started the topic Conversion in Hydrocraker unit in the forum Hydroprocessing https:/forums/topic/conversion-in-hydrocraker-unit/ Thu, 18 Mar 2021 00:31:29 +0000 In our Hydrocraker unit two stages with CLG license and conversion 57%
I want to how much I can get flow rate and volume in each stage roughly for each product.
First stage feed (total feed =285.2m3/hr)
VGO= 212.9 m3/hr
HCGO= 72.3 m3/hr

Treat gas =240279 Nm3/hr

Second stage feed (UCO from Fractionator bottom) = 78.3 m3/hr

Treat gas…Read more

]]> 0 14327054da726f1fe541d89479c48d48 Abu noor started the topic Steam generator level control (3element) in the forum Energy Management https:/forums/topic/steam-generator-level-control-3element/ Fri, 12 Mar 2021 18:08:42 +0000 How we can control level in steam generator with three element ?
How the density compensated by level inside steam generator ?
When we can use three elements control?

]]> 0 e08f3d63f5525c8998d8b6cf33591d5f Abu noor replied to the topic Catalyst average temperature required after commissioning in the forum Hydroprocessing https:/forums/topic/catalyst-average-temperature-required-after-commissioning/#post-1209 Mon, 01 Mar 2021 09:55:20 +0000 If SOR 373 and EOR 404 for reactor inlet and SOR 398 and EOR 409. How much WABT will be initially and when we can increase it based in what?

]]> 0 5cb95feef618048b97d8c33775156175 Abu noor started the topic Catalyst average temperature required after commissioning in the forum Hydroprocessing https:/forums/topic/catalyst-average-temperature-required-after-commissioning/ Sat, 27 Feb 2021 10:38:47 +0000 How much should be catalyst average temperature for Diesel unit and Hydrocraker unit after commissioning?

]]> 0 4bf3633c88ceb38116a8fa650f95924b Abu noor replied to the topic Working of Burner Management System of Fired Heater in the forum Energy Management https:/forums/topic/fired-heater/?view=all#post-1179 Mon, 22 Feb 2021 13:15:24 +0000 That’s great answer
Thanks a lot

]]> 0 a1dcffb6f915368844ade80044260728 Abu noor started the topic DHT unit feed filters backwashing frequency increases in the forum Hydroprocessing https:/forums/topic/dht-unit-backwashing-frequency-increases/ Mon, 22 Feb 2021 09:07:52 +0000 In our DHT unit back washing increases every 20 -30 minutes per cycle. The feed to this unit are SRGO and LCGO cold and hot. Currently we are facing back pressure and feed controls get fully open and flow is less . What is the issues and how we can solve it?
Thanks

]]> 0 7daa2da1bbd3296cc72b0a7bcf1c62e0 Abu noor replied to the topic Working of Burner Management System of Fired Heater in the forum Energy Management https:/forums/topic/fired-heater/#post-1160 Sun, 21 Feb 2021 16:29:36 +0000 It’s mentioned in the SOP. The self-regulated main fuel gas valve 160-PCV-0165 is correctly set to the required pressure downstream in the line (0.1kg/cm2g)

]]> 0 ad9576018cafa946d9b8b3c6cfe32ef8 Abu noor started the topic Hydrocraker unit conversion and product for each stage in the forum Hydroprocessing https:/forums/topic/hydrocraker-unit-conversion-and-product-for-each-stage/ Sun, 21 Feb 2021 16:28:54 +0000 In the Hydrocracker unit, the first stage feeds are VGO and HCGO and the second stage feed is UCO from the fractionator bottom. How we can know from the first stage and the second stage we are producing Diesel, Jet A1, light
Naphtha, heavy naphtha, and LPG if total conversion 57%. If there is an excel sheet provided in the answer it will better.

Thanks

]]> 0 5be207c1e412553707e140d69b0a314d Abu noor posted an update: In hydrocracker unit if we have feed 215m3/hr to first stage […] https://thepetrosolutions.com/activity/p/399/ Sun, 21 Feb 2021 15:28:42 +0000 In hydrocracker unit if we have feed 215m3/hr to first stage VGO and HCGO and second stage Feed is 65 m3 /hr from fractionator bottom.How we can know how much we produce diesel, Jet A1 , light and heavy naphtha and LPG from both stages and how much conversion for each stage ?if total conversion 57%.if there is excel sheet is provided in the answer…Read more

]]> 0 f0b23f94829d185436e39b2199954b65 Abu noor started the topic Working of Burner Management System of Fired Heater in the forum Energy Management https:/forums/topic/fired-heater/ Sat, 20 Feb 2021 12:32:52 +0000 We have a gas-fired heater with BMS and a globe valve bypass and PCV what’s the purpose of and when we can use it?
How can we control the temperature which is cascaded with fuel gas and how does the logic work?

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