Aynaz Biuky

44 Questions 95 Answers 0 Followers

Questions related from Aynaz Biuky

With what device can the electrostatics of powder particles be measured?

Please shar refences

14 January 2024 2,534 2 View

What is the formula of viscosity of non-newtonian fluid?

Is the formula for calculating the viscosity of non-Newtonian fluids the same as Newtonian fluids?

17 December 2023 2,783 12 View

How can I calculated heat transfer coefficients?

آHello all dear What reference should I use to calculate the heat transfer coefficients of plate exchangers that has step-by-step solutions?

20 November 2023 8,093 5 View

How convert vacuum distillation from batch to continues?

How can I do calculations and scale up? Can you send me some references ? Thanks in advance

16 November 2023 4,829 7 View

What is the method of scale-up for convert a batch reactor to continues?

Thanks in advance

15 November 2023 6,805 7 View

What is the method to convert a batch reactor to continuous mode?

Hello all dear If you have any references, can you share me? Thanks in advance

12 November 2023 6,686 3 View

How to change batch to continues mode and scale up?

Hello all dear If you know any reference or website about this subject, please share it with me Thanks in advance

09 November 2023 3,114 4 View

How to calculate the fluid velocity in the exchanger without knowing surface area of the exchanger?

It's a tube & shell exchanger

30 October 2023 9,965 17 View

How to calculate the enthalpy of vaporization of the compound?

Hello all dear It happens at a constant temperature of 140(Tb) The composition is similar to gasoline Can you introduce an equation? Thanks in advance

19 October 2023 9,257 4 View

How to calculate the cp inverse of the temperature for Q=cpdT formula?

I have two values of cp at 100 and 140 degrees

17 October 2023 1,822 10 View

What are the different ways to calculate enthalpy of vaporization?

Hello all dear A solvent enters a vessel at a temperature of 100 °C and turns into solvent vapor at a temperature of 150 °C. I want to know if this analysis I am doing is correct? The 100 °C...

16 October 2023 5,172 16 View

Methods of removing pigments and dyes from plastic wastes?

Hello all dear Does anyone know an article or reference that describes in detail the following methods for removing colorants from plastic wastes? •Shake-flask extraction •Soxhlet...

14 October 2023 6,591 0 View

How to remove colors from HDPE plastics?

Does any useful method?

11 October 2023 3,459 4 View

How can the pigments be removed by exposing plastic waste to UV light?

If you have any references about that, may I ask you to share them? Thanks in advance Best regard

11 October 2023 6,244 6 View

Does anyone studying plastic recycling?

Hello all dear If anyone studies on recycling plastic and removing its colors, please send me a message Thanks in advance

11 October 2023 3,004 0 View

What is the different between Agglomerates, pellets and chips in plastic recycling ?

Thanks in advance

09 October 2023 3,609 10 View

Why do sometimes temperature sensors couldn't detect the temperature of gases?

Hello all dear In a vessel should enter nitrogen for control of vessel pressure but temperature sensor couldn't detect the temperature of vessel correctly, why? Thanks in advance

01 October 2023 4,993 8 View

What is bare and bare greetings in plastic recycling?

Thanks in advance

26 September 2023 351 11 View

What's the meaning of "Agglomerates" in plastic recycling?

Hello everyone Why the aim of the agglomeration is to increase the bulk density of the waste? Thanks in advance

25 September 2023 1,447 7 View

Does anyone work on remove colors(pigments and dyes) from plastic scrap?

Hello all dear I need a help Thanks in advance

23 September 2023 8,070 4 View

Does anyone can explain about shear mechanism in plastic recycling?

Hello all dear The shear mechanism is mentioned on this site, can anyone explain more? https://www.recyclingtoday.com/article/system-extracts-pigments-from-mixed-plastic-scrap/ Thanks in advance

23 September 2023 7,219 6 View

Could you share DIN 28022 (6.3m^3 to 100m^3)?

Hello all dear I wanna this file for scientific purposes not unethical purpose If anyone has it, please share Thanks in advance Best regards

21 September 2023 8,911 0 View

Does pH have an effect on zeta potential of oil-water emulsion?

Hello all dear I want to know does pH have an effect on zeta potential of oil-water emulsion? Thanks in advance

19 September 2023 4,728 5 View

What are the different methods of removing pigments and dyes from HDPE?

Hello all dear Can you introduce me some literature about this? Thanks in advance

18 September 2023 1,507 3 View

What is the simultaneous effect of pressure and temperature of bubble point or dew point in solvent vapor condensation?

Hello all dear If the pressure is high and the temperature is low (below the dew point) at the same time, will the amount of solvent vapor condensate increase? Thanks in advance

17 September 2023 500 4 View

Is it right that at a temperature lower than the bubble point of the solvent, all the solvent vapor condenses?

Hello all dear Is it true that when the temperature of the solvent vapor is lower than the dew point, the first drop of liquid is formed, and if the temperature is reduced, the amount of...

17 September 2023 3,696 5 View

Is it right that at a temperature lower than the bubble point of the solvent, all the solvent vapor condenses?

Hello all dear Is it true that when the temperature of the solvent vapor is lower than the dew point, the first drop of liquid is formed, and if the temperature is reduced, the amount of...

17 September 2023 2,821 2 View

How do I remove the pigments of polymers?

Hello all dear Can you tell me the different ways to remove pigments from HDPE and LDPE of waste plastic polymers? please mention references

13 September 2023 4,340 3 View

What is the the dew point temperature of water?

Hello dear friends What is the the dew point temperature of water? At a constant pressure, the temperature of the vapors must be lower than the dew point temperature for all the vapor to...

13 September 2023 2,313 6 View

Can you send me pdf of DIN 28021?

Hello all dear I want the latest version of PIN 28021

12 September 2023 4,801 4 View

How does enthalpy affect the evaporation of solvents?

effect of enthalpy

10 September 2023 9,193 0 View

What is the best way to condense vapors above the reactor?

If you know any reference about that, please say me

09 September 2023 8,563 5 View

Can you introduce different ways of condensing solvent vapors?

please if you know any book, article or reference, introduce me

09 September 2023 4,801 0 View

What are the types of condensing methods? (except increasing pressure)?

Is there any method?

07 September 2023 3,322 9 View

How to condense a mixture of evaporated solvent and water vapor so that only the solvent becomes condensed?

Hello all dear The temperature of a reactor is 105 degrees Celsius and some solvent enters it. The temperature of the reactor decreases (98) and some solvent evaporates. In this system, water...

07 September 2023 5,490 7 View

What is the formulation of evaporated solvent?

Hello all dear please help me

04 September 2023 7,799 7 View

How to calculate the rate of evaporation of a solvent in the reactor in each batch?

Hello all dear Question data: Solvent enthalpy, amount of condensate in terms of time, temperature before and after solvent evaporation

04 September 2023 5,407 5 View

Hello all dear I have a question about PID controller ?

Does the derivative term just reduce the fluctuations caused by the integral term? That is, if the oscillation is caused by non-integral oscillation, will it create more noise?

03 September 2023 6,682 4 View

If the temperature control of a reactor (using PID) fluctuates due to the evaporation of the solvent inside, what should be done?

The vessel is a CSTR

03 September 2023 9,280 2 View

How can I calculate volume of evaporated steam in a reactor?

Hello all dear The temperature of the vessel before being filled with solvent is 105 degrees, and after the solvent enters it, a certain amount evaporates and the temperature of the vessel...

02 September 2023 2,031 3 View

Hello all dear I want to know how can I calculate volume of evaporated steam in a reactor?

The temperature of the vessel before being filled with solvent is 105 degrees, and after the solvent enters it, a certain amount evaporates and the temperature of the vessel decreases to...

31 August 2023 415 4 View

How is the temperature of a vessel controlled with the least fluctuation and noise?

Hello all dear. We have a CTRS reactor whose its temperature is measured by a transmitter and controlled by a PID controller. As a result of entering a solvent into the reactor, its temperature...

31 August 2023 438 6 View

What is the best way to condense vapors above the reactor?

If you know any reference, please say me

01 January 1970 1,147 4 View

Hello all dear I want to know how can I calculate volume of evaporated steam in a reactor?

The temperature of the vessel before being filled with solvent is 105 degrees, and after the solvent enters it, a certain amount evaporates and the temperature of the vessel decreases to...

01 January 1970 9,600 1 View