I have determined maximum wavelength of my dye wastewater. How to determine intial cocentration of dye wastewater and name of dye in it?

i have determined maximum wavelength of my dye wastewater. How to determine initial concentration of dye wastewater and name of dye in it?

05 June 2018 6,849 6 View

Kindly suggest few models which are best and simple for fixed bed column study?

Kindly suggest few models which are best and simple for fixed bed column study?

08 September 2017 827 1 View

How to calculate external mass transfer coefficient for fixed bed column filled with the adsorbent pellets?

How to calculate external mass transfer coefficient for fixed bed column fiiled with the adsorbent pellets?

07 August 2017 9,207 3 View

How to contact googlescholar for wrong citation?

How to contact googlescholar for wrong citation?

05 June 2017 2,985 7 View

How to calculate mass transfer coefficient and axial dispersion coefficient?

How to calculate mass transfer coefficient and axial dispersion coefficient. when only following parameters are known 1.Bed height 2.Flow rate 3. Inlet adsorbate conecntration 4. External mass...

05 June 2017 6,679 1 View

Continous column adsorption capacity

If i am working on a column filled with adsorbent, in my batch study max adsorption capacity was achieved in 1 hr. In continous column how can i achieve that max adsorption capacity that was...

05 June 2017 4,279 7 View

In my model of matlab for fixed bed adsorption column, i have obtained very large time in X-axis of breakthrough curve?

In my model of matlab for fixed bed adsorption column, i have obtained very large time in X-axis of breakthrough curve..i.e nearly 5*10^(5) second. Is it possible? why it is higher. please suggest?

04 May 2017 1,314 4 View

How to measure adsorbent surface area?

I have used BET to determine surface area of my adsorbent (cellulosic material) but nitrogen does not adsorb on its surface. Only one point is available. Please suggest how can i measure its...

04 May 2017 6,204 3 View

How to make pellets of acid treated wheat bran . It is similar to activated carbon?

How to make pellets of acid treated wheat bran ? It is similar to activated carbon..we made pellets using pelletizer using clay as a binder..pellet is perfectly made but after dipping in water it...

03 April 2017 218 0 View

How to wash and dry chitosan coated powdered adsorbent which is in form of a slurry?

How to wash and dry chitosan coated powdered adsorbent which is in form of a slurry ? It is in form of a gel, how to wash it and dry?

01 February 2017 8,984 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View