What are cocurrent and countercurrent of fluid streams?

Parth joshi

• May 30th, 2017

In cocourrent stream both of fluid flow in the same direction and in counter current stream both of fluid are flowing in opposite direction.

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I have a liquid mixture in a bottle containing different synthetic substances dissolved from their salt forms (i.e. lidocaine hydrochloride, anhydrous caffeine). These compounds are dissolved in distilled water.
So the question is: How can I separate the dissolved solids from the aqueous solution? Can I do it by forming a hydrochloride precipitate by adding some hydrochloric acid? Or, say the...

Nilesh

• Jun 29th, 2017

In case of solids the lighter solids can be separated by decanting it in water medium when both of the solids are ... Distillation can also be used to separate dissolved salts from their aqueous solutions.

rockky

• Apr 27th, 2017

By evaporation and distillation process. Through many evaporator series to find the Liqueur or product that you need

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What is corrosion? Which is the most important material used for metallic coating?

rasika

• Jul 2nd, 2017

Corrosion is the destruction in the metal due to oxidation with atmospheric air
aluminium(Al) is material

Deepak Mishra

• Jun 8th, 2017

The most important material used for coating is Zinc (due to its sacrificial property)

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vikas

• Jul 9th, 2017

Because distillation depends on volatility of component and toluene is a more volatile than water.

Pritam Jadhav

• May 4th, 2017

Because the boiling point of water is higher than toluene.
Thus toluene is more volatile liquid, therefore it comes out first.

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Explain What is Organic Chemistry?

Kingsuk Karmakar

• Jul 13th, 2017

It is the branch or part of Chemistry in which we concern with the compound of carbon. Originally confined to compound to produced by living things.

ankit

• Apr 20th, 2017

Organic chemistry is branch of chemistry which deals with carbon compound

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Kingsuk Karmakar

• Jul 13th, 2017

Water density is 1 and Benzene density is 0.8765 and they are both immiscible liquid or small amount miscible (1.84 g/l). If any mixture solution contain water and benzene, water settle in lower layer (because water have higher density then benzene) and benzene present in upper layer.

Dhaval

• Jan 12th, 2017

First one is that we have two liquids 1. Water & 2. Benzene Benzene is insoluble in water. Thus both liquid solutions are immiscible. We know that We have extraction process during which the 2 liquid...

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What is use of Reynolds number in designing of Heat exchange?

Dhruv

• Jul 17th, 2017

Use for determination of Shell side and tube side heat transfer coefficient, pressure drop, selection of tube side and shell side process fluid,

D.S.

• Apr 17th, 2017

The Reynolds number is first used to understand what flow regime (i.e. turbulent, transition zone, laminar). It is then used to calculate the shell-side and tube-side film coefficients which are then used to calculate an overall U.

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What is the basis of choosing the shell side and tube side fluid?

Kingsuk Karmakar

• Aug 4th, 2017

If your process fluid is corrosive nature then you have choose flow in tube side. Because if fluid damage the tube it has been replace is easier and less cheaper then shell side. 2. The toxic and haza...

Sankar

• May 23rd, 2016

Tubes can be easily detached from the main body of a heat exchanger. Therefore, in case of corrosive fluid its more convenient to use it in the tube side.

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What is 3rd Law of Thermodynamics?

Bandana

• Aug 4th, 2017

At absolute 0 degree entropy of a substance is zero, as entropy is a measurement of degree of randomness.

Kingsuk Karmakar

• Aug 2nd, 2017

The entropy of a perfectly crystalline substance at zero K or absolute zero is taken to be zero.
This law is only applicable for perfectly crystalline substance. If there is imperfection at 0 K, the will be larger then zero.

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What is the difference between Filtration and Sedimentation?

Mani

• Sep 7th, 2017

Sedimentation is a separation of particles depending upon their density whereas filtration is a separation of particles depending upon particle size.

Ravi

• Jul 5th, 2017

Sedimentation is the separation of solids from liquids by gravitational method where as filtration is the separation of solids from liquids by filter medium

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divakarnaik822

• Sep 10th, 2017

Unit operation is the basic step in any chemical engineering related fields, in this operation only physical changes are occurred but not chemical changes
Ex:-heating, cooling, evaporation, sedimentation

Akash shrama

• Aug 13th, 2017

Each chemical process frequently consists of a fewer number of distinct individual step.

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What is the role of software in process equipment design and what software should one refer to while dealing with related problems?

Aakash

• Sep 17th, 2017

Software are necessary because they are used in simulation of a process for example to find out the composition of distillate and bottom product of distillation column and we can also vary the number ...

Sandeep cheekati

• Mar 14th, 2016

We can use Dynochem, Visimix, Aspen plus

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Why 98% H2SO4 is not corrosive with Mild Steel?

samuel

• Sep 26th, 2017

Absence of free ions in 98%h2so4 leads no corrosion.

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As Bernaulli's theorem is applied on fluids, so can we apply it on gases also?

Mohamed Asharaf

• Oct 7th, 2017

The assumptions in which Bernoullis equation derived are 1.Inviscid Flow 2.Steady Flow 3.Density is Constant 4.Along the Stream-line Since the gas flow obey these properties, we can conclude that Be...

deewakar vats

• Aug 13th, 2017

Sorry sir but there are certain assumption in bernaullis theorem that
1 flow is steady
2 flow is ideal
3 flow is incompressible or const density so a gas is a complessible and density can vary as per the equation
v2/g + P/w +y=const

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What is the difference between coagulation and flocculation?

Ankit Yadav

• Oct 18th, 2017

Coagulation is the chemical process for separation of Effluent from water by adding some coagulants like aluminum sulfate aluminum chloride. when flocculation is a physical operation of removing eff...

Anietie Udoh

• Jun 30th, 2017

Coagulation is purely a chemical process in which the coagulant, often a salt, (e.g Alum) breaks down to release charges which induces the settling of the particles of a suspension while Flocculation is a physical process. The flocculant is often a polymer which induces the settling of particles.

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Reena Mhatre

• Nov 17th, 2017

The valence of an elementor compound does depend on the number of hydrogen ions (H+) accepted or hydroxyl ions (OH-) denoted for each atomic weight or molecular weight.

Tarnveer Singh

• Oct 21st, 2017

Valency is the combining capacity of an element. For metals, it is equal to the number of electrons in the outermost shell of their atoms, and for nonmetals it is eight minus the number of electron...

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What is Unit Process and Unit Operations? How they are different from one another?

Vishal

• Nov 28th, 2017

Unit process includes chemical change where as unit operation includes physical change

Kingsuk Karmakar

• Aug 14th, 2017

In process where only chemical changes occurs that is called Unit Process and where no chemical changes occurs only physical changes occurs that is called Unit Operation. Unit Process example like d...

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Divyansh bhushan Sen

• Jan 20th, 2018

Unit operation only physical change occur like Drying, Absorption,
Unit process both physical change & chemical change occur like Chlorination, nitration, hydrogenation

Rajat

• Oct 4th, 2017

Unit operations concern with the physical changes of the system.
Unit processes are concern with physical as well as chemical changes of the system.

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Nirav soni

• Mar 31st, 2018

Distillation column is separate the two component Based on its volatility difference, lighter and low boiling point fluid got up side and higher and high boiling point fluid got in bottom as a product.

Arul

• Jan 26th, 2018

The lighter, lower boiling point components evaporate and travel up the column to form the top product and the heavier, higher boiling point components condense and travelling down the column to form the bottom product.

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Manish Firake

• Apr 13th, 2018

Fractionation is a separation process in which a certain quantity of a mixture (gas, solid, liquid, enzymes, suspension, or isotope) is divided during a phase transition, into a number of smaller quan...

Successor

• May 29th, 2017

Distillation is a separation of one volatile component from a mixture of two or more
Fractionation is a separation of a certain component from many e.g gasoline

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