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Ankur's_Chemical_Engg_Blog



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Don't Be An Engineer At The Expense Of Common Sense

Posted by ankur2061 , in Management 04 January 2015 - * * * * * · 4,340 views
management, engineer, common and 1 more...
Don't Be An Engineer At The Expense Of Common Sense Dear All,

Happy New Year to all of you and I start off with a blog entry which you may find quite interesting.

Being an engineer is justifiably a matter of pride since engineers have made an immeasurable contribution to the betterment of the world we live in.

However, as Homo sapiens, who are the considered on the top of the chain of living beings we m...


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Guidance Notes On Buried Piping

Posted by ankur2061 , in Technical 15 December 2014 - * * * * * · 2,982 views
buried, pipes, guidance
Guidance Notes On Buried Piping Dear All,

Most process engineers should try to understand basic concepts of piping installation along with routine process design calculations related to piping such as pressure drop, velocity and erosion / corrosion limits for various pipe metallurgies.

Today's blog entry provides some guidance on buried or underground pipe installation.

Piping should...


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Determining Diesel Transfer Pump Capacity For Diesel Engines And Generators

Posted by ankur2061 , in Technical 08 November 2014 - - - - - - · 2,837 views
diesel, transfer, pump, capacity and 1 more...
Determining Diesel Transfer Pump Capacity For Diesel Engines And Generators Dear All,

Often process engineers are asked to design a diesel storage and transfer system for diesel engines and diesel power generators. Where to start is often a question among process engineers. There has to be a design basis for designing such a system. Today's blog entry addresses the design basis for design of a diesel storage and transfer system...


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Selection And Sizing Of Marine Loading Arms For Petroleum (Black / White Oil) Products

Posted by ankur2061 , in Technical 04 October 2014 - - - - - - · 4,417 views
sizing, selection, marine and 2 more...
Selection And Sizing Of Marine Loading Arms For Petroleum (Black / White Oil) Products Dear All,

Todya's blog entry provides a procedure for selection / sizing of marine loading arms

Vessel / Tanker Design Discharge Capacity (Figure 1)



Oil Tanker Manifold Diameters



Loading Arm size should not be larger than a maximum of two sizes of the the ships manifold diameter. A smaller size loading arm compared to the ship's manifold diam...


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Flare Dispersion Analysis - Frequently Asked Questions (Faqs)

Posted by ankur2061 , in Technical 08 September 2014 - * * * * * · 5,163 views
flare, dispersion, questions
Flare Dispersion Analysis - Frequently Asked Questions (Faqs) Q1. What is Flare Dispersion Analysis?
A1. Flare dispersion analysis is a study of the dispersion of toxic and / or flammable pollutants (primarily gaseous) from a flare, either a ground or elevated flare.

Q2. Is it necessary to perform a flare dispersion analysis?
A2. Yes, it has now become mandatory in most parts of the world when a new industrial u...


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Some Guidelines For Fixed Bed Ion Exchange Units And Forced Draft Degasifiers

Posted by ankur2061 , in Technical 11 August 2014 - - - - - - · 3,570 views
fixed, bed, ion, exchange, forced and 2 more...
Some Guidelines For Fixed Bed Ion Exchange Units And Forced Draft Degasifiers Dear All,

Boiler feedwater is often obtained from raw water by ion-exchange process utilizing vertical cylindrical vessels which contain ion-exchange resins of various types. These resins remove dissolved salts from the water and replace them with Hydrogen (H+ ) and hydroxyl (OH- ) thus producing pure, mineral free boiler feed quality water.

Resins whic...


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Dielectric Constant Data Required For Guided Wave Radar Type Level Transmitters

Posted by ankur2061 , in Technical 22 July 2014 - - - - - - · 4,574 views
dielectric, data, guided, wave and 4 more...
Dielectric Constant Data Required For Guided Wave Radar Type Level Transmitters Dear All,

One of the most important data required for specifying guided wave radar level transmitters for storage tanks is the Dielectric constant of the stored liquid in the tank.

This data is provided by process engineers. A lot of this data is available directly form various open sources form the internet. Some links are provided below:

http://www.e...


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Rotary Screw Compressors - Discussion And Calculations

Posted by ankur2061 , in Technical 03 July 2014 - * * * * - · 6,646 views
rotary, screw, compressor and 1 more...
Rotary Screw Compressors - Discussion And Calculations Dear All,
Rotary Screw compressors are fast replacing piston type reciprocating compressors all over the world. With advancement in technology of precision machining the helical screws required in screw compressors, they are becoming the first choice for selection where otherwise a piston reciprocating compressor would have been used in earlier days....


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Technical Aspects Of Equipment Procurement

Posted by ankur2061 , in Management 06 June 2014 - - - - - - · 3,779 views
technical, aspects, equipment and 2 more...
Dear All,
One of the readers of my blog made a suggestion about writing something related to equipment procurement. Well, I haven’t exactly acted as a procurement engineer in my career but fortunately did have the opportunity to interact with a few procurement engineers and pick up some ideas related to the methodology of equipment procurement....


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Managing Technical Information Exchange With Process Equipment / Package Vendors

Posted by ankur2061 , in Management 15 May 2014 - * * * * * · 3,826 views
technical, information, exchange and 3 more...
Dear All,
 
Today’s blog entry has shades of technical as well as communication skills. It is not restricted to process engineers and the guidelines provided in the subsequent paragraphs can be utilized by engineers from other disciplines such as Projects, Mechanical, Electrical, Instrumentation etc. in how to manage their dealings with manuf...


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Gas Boot Sizing Upstream Of Fwko Tanks

Posted by ankur2061 , in Technical 28 April 2014 - * * * * * · 7,387 views
gas, boot, upstream, fwko, tanks
Gas Boots are provided upstream of a Crude Oil Dehydration tank in order to degass the crude oil before it enters the dehydration tank. Entrained gas in crude oil disturbs the settling process in a dehydration tank and it's removal is required to ensure quick and effective settling for separating bulk water in crude oil dehydration tanks also referred com...


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An Introduction To Corrosion Inhibitors

Posted by ankur2061 , in Technical 04 March 2014 - * * * - - · 5,591 views
corrosion, inhibitors
An Introduction To Corrosion Inhibitors Dear All,
 
There have been quite a few threads devoted to injection of corrosion inhibiting chemicals on "Cheresources". Today's blog entry makes an attempt to give some introductory knowledge related to "Corrosion Inhibitors".
 
The following paragraphs provide the details. The reference for the content of this blog article is provided at the...


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Uklpg (British) Code Of Practice For Safety In Bulk Lpg Storage

Posted by ankur2061 , in Technical 04 February 2014 - - - - - - · 5,707 views
lpg, british, safety, storage
Dear All,
 
LPG storage and the related safety considerations have been discussed many times on various threads on 'Cheresources'. Any reader / member of 'Cheresources' can find these threads using the search facility on 'Cheresources'.
 
Today's blog entry presents the British perspective on safety related to bulk LPG storage. The reference for...


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Design Equations For Venturi Scrubbers

Posted by ankur2061 , in Technical 26 January 2014 - * * * * * · 15,655 views
design, venturi, scrubbers
Design Equations For Venturi Scrubbers Dear All,
 
Many of you involved in engineering and design of wet scrubbing systems are already familiar with “Venturi Scrubbers”.
 
Venturi Scrubbers are primarily designed to control fine particulate matter (PM) from gaseous streams. Before releasing waste gases that contain PM to the atmosphere, these gases are treated using ventu...


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Hyperfocal Distance Calculator

Posted by ankur2061 , in Just for Fun 07 January 2014 - - - - - - · 2,171 views
photography, hyperfocal, distance and 2 more...
Dear All,
 
This blog entry is not related to chemical engineering but it certainly is related to the science of optics and should provide interesting reading for those chemical engineers who happen to be photography enthusiasts and want to know some intricacies related to the science of photography
 
I have always loved photography right from t...


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Time Dependent Gas Release Through A Hole From A Pressurized Container

Posted by ankur2061 , in Technical 23 December 2013 - - - - - - · 6,863 views
gas, release, hole, flow and 2 more...
Time Dependent Gas Release Through A Hole From A Pressurized Container Dear All,
 
One of the very important books related to process safety is popularly known as the "Yellow Book" published from the Netherlands and having the full title as:
 
"Methods for the calculation of physical effects - due to releases of hazardous materials (liquids and gases)" - 'Yellow Book' - CPR14E
 
The best part of this book is t...


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Frequently Asked Questions (Faq) About Liquefied Natural Gas (Lng)

Posted by ankur2061 , in Technical 03 December 2013 - * * * * - · 6,100 views
question, lng, liquefied, natural and 1 more...
Frequently Asked Questions (Faq) About Liquefied Natural Gas (Lng) Dear All,
 
LNG is a subject of great interest these days considering that it has become a primary source of energy for many countries deficient in fossil fuel based energy resources. It is also of interest because it is among the cleanest of all fossil fuel based energy resources when compared with other fossil fuel energy sources such as coal and c...


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Pressure Drop Of Pseudo-Plastic Fluids In Pipes

Posted by ankur2061 , in Technical 14 November 2013 - * * * * * · 6,275 views
pressure, drop, pseudo-plastic and 2 more...
Pressure Drop Of Pseudo-Plastic Fluids In Pipes Dear All,
 
Pseudo-plastic fluids are a type of non-newtonian fluids and account for a majority of the non-newtonian fluids commonly found in the chemical process industry and specifically in the food processing industry.
 
Today's blog entry provides a methodology to calculate the pressure drop of a pseudo-plastic fluid in a pipe. An example pr...


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Branded Clothing And Accessories Versus Engineering Books & Journals

Posted by ankur2061 , in For Students and Young Engineers 01 November 2013 - * * * * * · 5,512 views

Dear All,
 
The title of my blog entry may sound quite strange and incomprehensible to many. However strange it may sound, there is a funny and also quite a sad fact about it which I am going to describe in the next few paragraphs.
 
I have a few excel spreadsheets which are available by paying a very nominal amount of money posted on the online...


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The Flip Side Of Engineering Standards And Practices

Posted by ankur2061 , in Management 07 October 2013 - * * * * * · 6,253 views
engineering, standards, practices
The Flip Side Of Engineering Standards And Practices Dear All,
 
I like to keep myself abreast of the latest engineering standards and practices from international organizations (API / ISO) and from engineering / operating companies. The best thing about them is I don't have to overload my memory trying to remember established engineering and design practices which are generally well...






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