Nishtha Dhunnoo

30 Questions 1 Answers 0 Followers

Questions related from Nishtha Dhunnoo

Where can I find a standard procedure for reverse osmosis membrane autopsy?

I am going to perform a membrane autopsy of a reverse osmosis membrane to investigate fouling. I know how to do it based on research papers that i have read but I need a standard procedure...

05 May 2018 4,651 2 View

CIP (Clean in place) system design for RO (reverse osmosis membrane) cleaning?

Are there any books or research papers which can help me in designing an RO CIP cleaning system please?

12 December 2016 653 1 View

Importance of maintaining the record of Material Safety Data Sheets (MSDS) of chemicals being used at the work place?

What is the importance of maintaining the record of Material Safety DataSheets (MSDS) of chemicals being used at the work place.

11 November 2016 3,737 3 View

How can i simulate cleaning process using sponge ball in heat exchanger?

I have values of fouling factor varying with time. How can I show the effect of sponge ball/ projectile cleaning on fouling factor? is there any calculation or simulation i can do?

10 October 2016 2,963 0 View

Can you please send me a link where I can download Aspen software?

Even if it is a trial version. I need it to model fouling in heat exchangers

09 September 2016 9,770 11 View

Multi stage flash distillation & multi effect evaporators in sea water desalination?

What are the specific types of evaporators used in multi stage flash distillation and multi effect evaporators in sea water desalination? such as parallel flow, cross flow...etc. and such as plate...

09 September 2016 9,349 1 View

IDA Desalination Report 2016?

Hello if someone has the IDA Desalination Report 2015-2016, can you please send me? I need it for my undergraduate dissertation. I will be very grateful. I have searched online, it is not...

08 August 2016 9,156 1 View

Are there any software which is used in desalination plant to monitor fouling and scaling?

Are there any software used in desalination plant? and can it be used to monitor or prevent fouling and scaling?

08 August 2016 5,411 3 View

How do i proceed to find the column reduction of a matrix?

I need to find the column reduction form of a matrix. Are there any easy methods, free online books or pdfs where I can get examples?

05 May 2016 7,899 3 View

How do I proceed with the following calculations on chemical process design?

The following attached questions are from the book Introduction to Material and Energy Balances by Reklaitis. How do I proceed to solve the questions? Can I get the worked solutions please

05 May 2016 9,255 1 View

How to convert Mole fraction of O2 in water (in moles/L ) to (mol O2/mol H2O)

Mole fraction of O2 in water = 2.73 x 10^-4 moles/L what should I do to get the answer below: = 4.194 x 10^-6 mol O2/mol H2O ? (mass...

02 February 2016 2,225 2 View

What is the diameter to length ratio of a deaerator tank?

I need many references. are there any books or links where I can find the above?

02 February 2016 2,414 1 View

How to find the liquid flow arrangement using graph?

How can I use the attached graph to find the type of liquid flow arrangement? Diameter = 0.59 m Liquid flow rate = 0.0362 m3/s

02 February 2016 4,203 1 View

How can I convert atm/M into atm/mole fraction?

Henry’s Law:Coxygen = K Poxygen The K value for oxygen at 25 oC is 1.3 x 10-3 M/ atm How should I proceed to obtain the following? : 1.3 x 10-3 atm/M = 0.07222 atm/ mole fraction

02 February 2016 4,104 0 View

Overall heat coefficient of heat exchanger?

the overall heat coefficient of an economizer was calculated to be 192.3 W/m2 oC. the overall heat coefficient of a shell and tube heat exchanger is supposed to be between 30-100 (Source:...

02 February 2016 5,720 6 View

What can be the maximum temperature loss of an uninsulated electrostatic precipitator?

By how much can the temperature decrease if the ESP is constructed of stainless steel and is uninsulated?

02 February 2016 8,567 3 View

What is the specific heat capacity of bagasse and sub-bituminous coal?

The bagasse contains 45% moisture (and the sub-bituminous coal has no specific grade). I need an approximate value.

02 February 2016 6,645 1 View

How can I calculate shell diameter of a shell and tube heat exchanger?

Only the following information are available: Tube length: 10.67 m Area of one tube: 0.670416 m2 Number of tubes: 9577 Bundle diameter : 3.075m Tube pitch: 0.03125 m Tube cross section area...

02 February 2016 4,906 7 View

Can a heat exchanger contain 9600 tubes?

It is a shell and tube heat exchanger. I want to know whether one containing this amount of tubes does exist?

02 February 2016 2,592 4 View

Of what material are cyclone dust collectors made up of in coal and bagasse power plant?

What are the different types of metals used for the construction of the different parts?

01 January 2016 10,021 3 View

Of what material are air preheaters made up of?

What are the different material of construction for the different parts?

01 January 2016 5,009 1 View

What are the hazards and operability analysis (HAZOP) of an electrostatic precipitator(ESP)?

What are the HAZOP of an ESP?

01 January 2016 6,600 4 View

Can I use "resistance temperature detector" in electrostatic precipitator control?

what type of temperature measuring devices are used in power plants?

01 January 2016 6,630 2 View

Process instrumentation, piping and control of economizer, Air preheater, cyclone separator, electrostatic precipitator?

Are there any books or websites where I can get the P&ID diagram of the above mentioned equipment? I need the full instrumentation and control drawings

01 January 2016 6,013 1 View

Energy balance around a deaerator gave me 11% energy loss?

Should I ignore it or should I justify the heat loss? If so then how?

01 January 2016 1,502 1 View

What is the percentage condensation in a deaerator?

What is the approximate percentage of extraction turbine steam that will condense in a deaerator?

01 January 2016 8,797 3 View

What is the specific type of electrostatic precipitator (ESP) used in thermal power plant?

What are the types of: • The structural design and operation of the discharge electrodes (rigid-frame, wires or plate) • collection electrodes (tubular or plate) • The method of charging...

12 December 2015 5,629 5 View

What are the materials of construction of an electrostatic precipitator(ESP)?

what are the types of metals and alloys needed for the construction of the different parts?

12 December 2015 8,147 5 View

Where does the vented gas from the deaerator go (in a thermal power plant)?

Is the vented gas sent to any process?

12 December 2015 2,249 3 View

Why and how does fouling cause the release/emission of carbon dioxide in desalination?

I have come across several research papers where the negative impact of fouling is carbon dioxide emission but i don't understand why and how something why is stuck in an equipment can cause CO2...

01 January 1970 6,215 7 View