During the crystallisation of aluminium hydroxide in an alumina production plant, the feed solution to the crystallizer units contains 125 grams Al2O3 per litre and flow rate was 80 m3 /h. If the effluent from the unit contains 95 grams Al2O3 per litre, what is the crystal yield per day?

Q: A stream with a flow of 1.7 m3/s and BOD 3.4 mg/l is saturated with DO (9.27 mg/l at 20oC). It recei...

A:

Q: thermodynamics problem:- Turbines in a hydroelectric power plant receive water from a 100-m high dam...

A: Given data: Height of the dam = 100 m. Diameter of the plant = 6 m. Velocity of the water = 15 m/s. ...

Q: The landfill volume required for dry solid waste generated by a food factory per year is 300 m3. Aft...

A: Given information:   The volume of dry solid waste to be filled in the landfill, VL­ = 300 m3/year T...

Q: Chemical Engineering Question

A: Note: Since we only answer one question, we’ll answer the first question. Please resubmit another qu...

Q: .What would be the CSTR reactor volume to achieve 90% conversion at 561 K for a molar feed rate of 2...

A:

Q: 1. The formation of nitroanaline (an important intermediate in dyes) is formed from the reaction of ...

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question...

Q: A finely divided solids feed, F, of 150 kg/h, containing 1/3 watersoluble Na2CO3 and 2/3 insoluble a...

A:

Q: Consider a vapor phase is in equilibrium with a liquid stream leaving the bottom of a distillation c...

A:

Q: Water at 200 kPa and 355 K (H = 343.3 kJ/kg) enters a straight horizontal pipe at a velocity 3 m/s w...

A: The heat supplied per kg of water flowing is to be determined.

Q: Ans: 27989 kJ

A:

Q: Chemical Engineering Question

A: Work done in the isothermal process is given by  W = -nRT X ln(Pi / Pf )  where W = work  n = moles ...

Q: discribe six specific safety precautions to be stated in work permit and explain any four potential ...

A:

Q: Why is chemical potential analogous to temperature and pressure

A: Chemical potential of any species is the measure of free energy i.e G of the species  And since the ...

Q: Porous particles of activated alumina have a BET surface area of 310 m2 /g,  ϵp = 0.48, and ρp=1.30 ...

A: (a) The volume of the particle for activated alumina is to be calculated.    The particle volume is ...

Q: oil flows at a rate of 1000 kg/min from an open reservoir at the top of a hill 400 m in height to an...

A: Given data:   Mass flow rate of the oil = 1000 kg/min. Height = 400 m. Heat supplied = 1800 kJ/min. ...

Q: 1. Consider a case in which you have a material that support a certain stress at 75°C and you have s...

A: Differential Scanning Calorimetry or DSC is a traditionally common method used to estimate Transitio...

Q: What happens if less than the minimum solvent rate is used?

A: The situation when less than minimum solvent rate is used is to be mentioned.

Q: A colored substance (B) is removed from a mineral oil by adsorption with clay particles at 25oC. The...

A:

Q: 5

A:

Q: 1. a. With the aid of a diagram showing how the four facets of the environment and briefly discuss i...

A: Note: Since we only answer 1 question, we’ll answer the first question. Please resubmit the other qu...

Q: Pressures from 101.3 to 10,130 kPa and temperatures between 0 and 100oC are to be used. (a) Devise a...

A:

Q: Practice 23This system of pure water at 75°C is not at equilibrium. What happens for the system to r...

A: A 2 phase system of Liquid -Vapor which are not in equilibrium.

Q: Desribe the general composition, properties, uses, applications of the following materials and their...

A: 1) HSLA steel stands for High-strength low-alloy steel Composition : low carbon content of between 0...

Q: Estimate the theoretical production of landfill gases (CH4,  NH3 and CO2) from the degradation of 80...

A:

Q: Using Lee/Kesler Generalized Correlation Tables, calculate the fugacity of compound A at 25.5° C and...

A: The fugacity of the given compound A is to be calculated.

Q: Determine the supersaturation ratio, S, required to permit 0.5-mmdiameter crystals of sucrose (MW=34...

A: The supersaturation ratio required to permit crystals of sucrose is to be determined.

Q: A reactive chemical disposed of by dilution in a river dissipates at a uniform rate of 0.15 mg/l per...

A: The downstream distance persist by the chemical residue is to be calculated.

Q: Use material balance based on species method to calculate the products from reactor, where the twofo...

A: The two reactions taking place are, 1) 2 C10H22 → 2 C10H10 + 12 H2  2) 2 C10H22 + 2 H2 → 4 C5H12  Th...

Q: Please I want answer of this question. Thanks   Estimate the LFL and the UFL using the stoichiometri...

A: The LFL and UFL for the Ethane, Butane and Acetone is to be estimated using stoichiometric concentra...

Q: Solve only (d) thank you

A: (d)   The symbolic representation for the formation of nitroaniline (C) and ammonium chloride (D) fr...

Q: A 20wt% aqueous Na2SO4 solution of 5,000 lb/h enters a cooling type crystallizer at 50oC. At what te...

A: Mass flow rate of the 20 wt% aqueous solution of Na2SO4 is given as 5000 lb/h. It enters the cooling...

Q: A tub of pure water sits in a room open to the atmosphere at 85°C. When the water has reached equili...

A: The fugacity of an ideal gas is equal to its pressure. The fugacity, therefore of the given vapour i...

Q: Q4) A band from a column eluted at 0.66 mL/min has a width at half-height, w1/2, of 39.6 s. The samp...

A:

Q: Why is the following situation impossible? An apparatus is designed so that steam initially at T =  ...

A:

Q: A meat processing factory's raw effluent has a five day BOD at 20oC of 1760mg/l. If the k value is 0...

A:

Q: Prove that the carnot engine efficiency can never be  equal to 1

A: Carnot cycle is made up of 4 reversible process  The 4 reversible process are  1) Isothermal expansi...

Q: A meat processing factory’s raw effluent has a five day BOD at 20 degrees Celcius of 1760 mg/l. If t...

A: Given information:   The temperature of the effluent is 20°C.   5 day BOD of this effluent is, L(5) ...

Q: 3.15

A: Given data: Temperature (T) = 333 K. Saturation pressure (P) of methyl chloride = 13.76 bar. Critica...

Q: A reactive chemical disposed of by dilution in a river dissipates at a uniform rate of 0.15 mg/l per...

A: The distance downstream that the chemical residual persists is to be determined.

Q: a) Metallic magnesium cannot be obtained by electrolysis of aqueous magnesium chloride, MgCl2. Why? ...

A: a) Since the aqueous magnesium chloride will have water in the solution. And since the reduction pot...

Q: A vessel of volume 1 m3 initially contains one per cent by volume saturated liquid water andthe rest...

A: Note that all the data are taken from the standard steam table.   Volume of the vessel is, V = 1 m3 ...

Q: Material Balances question

A: Mass-based Specific Volume is given as:

Q: Derive expressions for the surface-mean and mass-mean diameter from a particle-size analysis based o...

A: Assume that all the particles are of the same shape.   Let the number of particles for the given siz...

Q: a. 2000 kg/h of milk is sterilized in a steam infusion sterilizer. The milk is heated to 145 °C by i...

A: Let milk be represented as ‘M’ and steam by ‘S’. Assumptions are stated as:   Neglect any change in...

Q: In the equilibrium-stage model equations, are K-values and enthalpies counted as variables? Are the ...

A: The three properties: K-values, enthalpy of vapour stream and enthalpy of liquid stream are not coun...

Q: 4.4 A reversible refrigerator absorbs heat from water at 273 K in order to produce ice at the same t...

A: (a) The amount of heat removed from the water is to be calculated.   The efficiency of any heat engi...

Q: Thermodynamics Question   Calculate the change in enthalpy and entropy when H2S is compressed from a...

A: Given information:   Gas compressed is H2S. Initial temperature of the gas, T1 = 137.2°C = 410.35 K ...

Q: An adiabatic steam turbine in an electric power plant is designed to accept steam at 5000 kPa and 60...

A: The inlet pressure of the steam to the adiabatic electric turbine is, P1 = 5000 kPa The inlet temper...

Q: 3.16

A: The molar volume and the compressibility factor of isopropanol vapor using the virial equation is to...

Q: The availability of forestry and agriculture wastes and residues is mainly determined by future deve...

A: Biomass is one of the potential renewable energy sources that can help us in bridging the gap betwee...

Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.