Jump to content

  • Log in with Facebook Log In with Google      Sign In   
  • Create Account


155

Ankur's_Chemical_Engg_Blog



Photo

Design Guide For Sizing Vertical Oil Treaters

Posted by ankur2061 , in Technical 23 September 2013 - - - - - - · 6,195 views
design, vertical, oil, treaters and 1 more...
Design Guide For Sizing Vertical Oil Treaters Today's blog entry provides some guidelines for sizing of vertical oil treaters. The procedures described in this blog entry do not give the overall dimensions of the treater, which may include inlet gas separation and free-water knockout sections, dependent on the upstream separation vessels.  However, they do provide a method for specifying heat i...


Photo

Power Consumption Of Vacuum Pumps

Posted by ankur2061 , in Technical 01 September 2013 - - - - - - · 12,026 views
power, consumption, vacuum, pumps
Power Consumption Of Vacuum Pumps I am back on my blog after a wonderful holiday to Canada. I had a lot of fun staying in Vancouver and found BC to be a beautiful place.
 
Today's blog entry deals with quick but reliable estimate of the power consumption of vacuum pumps used in the chemical process industry. Some equations are presented below for the benefit of the readers:
 
Li...


Photo

An Introduction To The Concept Of Double Jeopardy In Process Safety

Posted by ankur2061 , in Technical 05 August 2013 - * * * * * · 15,000 views
process, safety, double, jeopardy
An Introduction To The Concept Of Double Jeopardy In Process Safety Most Process and / or Safety engineers have to perform an analysis for the scenario or case related to the application of a safety relief device during their engineering career. In the chemical process industry, majority of the cases or scenarios for safety relief device are well defined based on experience gathered over the years for operating various ty...


Photo

Guidelines For Fuel Gas Supply To Gas Turbines

Posted by ankur2061 , in Technical 28 July 2013 - - - - - - · 7,197 views
fuel, gas, supply, tubrines and 1 more...
Guidelines For Fuel Gas Supply To Gas Turbines Gas turbines (GT) are expensive and a major investment in any oil & gas, refinery, petrochemical or power generation unit. Any breakdown in gas turbines can lead to plant / unit production deferment or loss of power to the power grid if gas turbines are used for electricity genaeration, and spending large sums of money in repairs and overhauling....


Photo

How To Write A Plant Operating Manual

Posted by ankur2061 , in Management 13 July 2013 - * * * * * · 12,292 views
how, write, plant, operating and 1 more...
How To Write A Plant Operating Manual Most Process Engineers, specially the senior process engineers are required to write a plant operating manual for a new greenfield project during their career. Mind you, this is quite different from updating an existing operating manual for a brownfield project where the scope of the project is modification and debottlenecking. Updation of an existing ope...


Photo

Design Guidelines For Tank Truck Loading Terminals

Posted by ankur2061 , in Technical 25 June 2013 - * * * * * · 13,216 views
design, guidelines, guide, tank and 4 more...
Design Guidelines For Tank Truck Loading Terminals I have been away for 3 weeks from my blog. Well, was busy on the workfront as well as on personal matters. Travelled home to India to be with the family. Spent some brief but quality time with the family who were keen to light one more candle on the cake.
 
Today's blog entry deals with design guidelines for tank tr...


Photo

Natural Gas Pipeline Blowdown Time Calculation

Posted by ankur2061 , in Technical 02 June 2013 - * * * * * · 22,729 views
natural, gas, pipeline, blow and 5 more...
Natural Gas Pipeline Blowdown Time Calculation I have posted a lot of excel spreadsheets on the Cheresources community related to process engineering calculations. I also have posted blog entries where I have outlined the steps along with equations to build an excel spreadsheet for various calculations.
 
The idea of posting blog entries with equations and calculation steps is to encourage young...


Photo

Perforated Pipe Distributor Sizing Calculations

Posted by ankur2061 , in Technical 16 May 2013 - * * * * * · 37,633 views
perforated, pipe, distributor and 4 more...
Perforated Pipe Distributor Sizing Calculations Perforated Pipe Distributors have been discussed many times on “Cheresources”. How to design a perforated pipe distributor also known as a sparger has been a frequent question on the forum. Some general replies without providing in-depth methodology of sizing a distributor can be seen in the queries raised.

Perry’s Handbook (8th  Editio...


Photo

Celebrities Outside The Engineering And Science Field With Engineering And Science Degrees

Posted by ankur2061 , in Humor 04 May 2013 - - - - - - · 7,202 views
celebrity, engineers
Celebrities Outside The Engineering And Science Field With Engineering And Science Degrees For a change this is not a technical entry. It is more so for the sake of general knowledge and fun. There are quite a few celebrities who graduated as engineers but never chose to work in the engineering field. They chose the cinematic arts, music, politics and other diverse fields to excel and make a name for themself. Since this is a chemical engineeri...


Photo

Theoretical Compressor Discharge Temperature Equations By Gpsa 13Th Edition

Posted by ankur2061 , in Technical 26 April 2013 - * * * * * · 24,838 views
compressor, discharge and 3 more...
Theoretical Compressor Discharge Temperature Equations By Gpsa 13Th Edition I had mentioned in one of my earlier blog entries that the new GPSA Engineering Databook 13th Edition is now available and there have been many changes in it from the previous edition. Refer the link:
 
http://www.cheresour...ition-si-units/
 
Compressors have been a focal point of...


Photo

Heat Capacity Ratio (κ) Compilation From Hysys At Real Conditions

Posted by ankur2061 , in Technical 08 April 2013 - - - - - - · 12,404 views
heat, capacity, ratio and 2 more...
Heat Capacity Ratio (κ) Compilation From Hysys At Real Conditions Heat Capacity Ratio or Specific Heat Ratio has been discussed in many posts on "Cheresources". The heat capacity ratio is used for head calculations of compressors and for orifice sizing calculations for gas flow through control valves, relief valves and restriction orifices. Thus the importance of accurate value of the heat capacity ratio cannot be overe...


Photo

Material Storage Considerations As Per Gpsa Engineering Databook

Posted by ankur2061 , in Technical 21 March 2013 - - - - - - · 4,601 views
gpsa, material, storage and 2 more...
Material Storage Considerations As Per Gpsa Engineering Databook A lot of queries on the forum relate to storage of materials like crude oil, gas condensate, natural gas liquids, butanes, propanes, natural gasoline, petrochemicals (butadiene), natural gas, LNG. A variety of answers are provided to these queries with many quoting from outdated books and standards (some quotes relate to books from the 50s). I h...


Photo

Calculating Physical Properties Of Slurries

Posted by ankur2061 , in Technical 15 March 2013 - - - - - - · 37,518 views

Calculating Physical Properties Of Slurries Today's blog entry addresses how to calculate the physical properties of slurries. Before we go into the details let us understand the basic concept of a slurry.
 
A slurry consists of solid particles suspended in a liquid. A slurry pipeline is used to transport slurries from the source such as a coal mine to its destination such as a coal power plan...


Photo

Firefighting Foam Demand Calculations

Posted by ankur2061 , in Technical 21 February 2013 - * * * * * · 21,229 views
fire, fighting, foam, demand and 1 more...
Firefighting Foam Demand Calculations I had mentioned in one of my earlier blog entries that off-late I have developed an interest in learning about HSE and in particular about Loss Prevention. The blog entry subject was "Fixed Water Spray Demand Calculations for Fire Protection of Tanks / Vessels" and its link can be found at:  http://www.cheresour...4/entry-283-...


Photo

Gpsa Engineering Databook, 13Th Edition, Si Units

Posted by ankur2061 , in Technical 08 February 2013 - * * * * * · 18,912 views
gpsa, engineering, databook, gas and 1 more...
Gpsa Engineering Databook, 13Th Edition, Si Units I recently bought the GPSA Engineering databook, 13th Edition, SI units. I haven't had the opportunity to study it in its entirety, but prima facie it appears to be a good investment. In fact, a long pending development related to an excel workbook for sizing of molecular sieve beds for Natural Gas Dehydration was held up due to insufficient information i...


Photo

Dissolved Oxygen Scavenger Dosing Calculations For Water Treatment

Posted by ankur2061 , in Technical 26 January 2013 - * * * * - · 22,781 views
dissolved, oxygen, scavenger and 4 more...
Dissolved Oxygen Scavenger Dosing Calculations For Water Treatment Oxygen scavengers are dosed in water where even the smallest amount of oxygen can cause corrosion to the system which could include piping and equipment made of commonly used materials of construction such as carbon steel .

Beside the well-known application of treating Boiler Feed Water (BFW) with oxygen scavengers there are other applications which may...


Photo

Comparison Of Turbine With Positive Displacement Meters For Custody Transfer

Posted by ankur2061 , in Technical 20 January 2013 - - - - - - · 9,511 views
turbine, flowmeter, positive and 1 more...
Comparison Of Turbine With Positive Displacement Meters For Custody Transfer Positive displacement (PDM) and turbine (TMs) are the two types of flowmeters acceptable as primary measurement instruments for custody transfer of liquid petroleum products.

TMs use a bladed rotor contained in a flow tube that is axially suspended in the...


Photo

Minimum Safe Recyle Process Flow Schemes For Centrifugal Pumps

Posted by ankur2061 , in Technical 01 January 2013 - * * * * * · 10,498 views
minimum, safe, recycle, process and 2 more...
Minimum Safe Recyle Process Flow Schemes For Centrifugal Pumps On the eve of the new year designated as 2013 as per the Gregorian calendar, I wish the members and readers of "Cheresources" a very happy and prosperous new year. Before moving on to the topic at hand, I wish to express my sincere thanks to Chris Haslego and Art Montemayor for providing this wonderful gift of "Cheresources" to the...


Photo

Heat Flux And Maximum Film Temperature For Fired Heaters

Posted by ankur2061 , in Technical 18 December 2012 - * * * * * · 12,182 views
fired, heater, heat, flux, film and 1 more...
Heat Flux And Maximum Film Temperature For Fired Heaters Today I was going through some write-up related to fired heaters from old manuals of a world-class operations company and found some very good information related to "Heat Flux" and "Maximum Film Temperature" for fired heaters used in various services. Although process design engineers working for general engineering consulting firms...


Photo

Multiple Centrifugal Pumps In Series And Parallel

Posted by ankur2061 , in Technical 14 December 2012 - * * * * * · 36,258 views
centrifugal, pumps, parallel and 1 more...
Multiple Centrifugal Pumps In Series And Parallel For many young process engineers the concept of multiple centrifugal pumps in series or parallel is often confusing. Today's blog entry tries to explain the concept of centrifugal pumps in series and parallel.

First of all let us understand what it means by pumps in series and parallel.

When we say multiple pumps are in series, it means that the...






Latest Visitors

  • Photo
    masebinu
    Today, 02:41 PM
  • Photo
    hirengdesai
    Today, 12:06 PM
  • Photo
    mawan
    Today, 07:16 AM
  • Photo
    Olton1
    Today, 05:44 AM
  • Photo
    CHEMENGR2811
    Today, 04:37 AM
  • Photo
    Pavankumar
    Today, 04:25 AM
  • Photo
    gegio1960
    Today, 02:52 AM
  • Photo
    navneet2109
    Yesterday, 10:42 PM
  • Photo
    SORSinger
    Yesterday, 10:40 PM