Reaction of coal with steam and oxygen

Assignment Help Chemical Engineering
Reference no: EM13883975

Coal gasification is carried out at 850 °C and 40 atmospheres pressure, by reaction of coal with steam and oxygen. The empirical formula of the coal is roughly CH0.8S0.013. What materials of construction would you recommend for:

a. The coal addition system

b. The oxygen injection system

c. The gasification reactor

d. The product gas transfer line

Reference no: EM13883975

Questions Cloud

At the crispy critter''s head shop : At The Crispy Critter's Head Shop and Patchouli Emporium along with their dried up weeds, sunflower seeds and astrological postcards they sell an herbal tea blend. By weight, Type I,x1, herbal tea is40%peppermint,20%rose hips and40%chamomile, Type II..
Separating benzene from a mixture of chlorobenzenes : It is proposed to use an existing distillation column, which is fitted with a dephlegmator (reflux condenser) that has 200 vertical, 50 mm i.d. tubes, for separating benzene from a mixture of chlorobenzenes.
Discuss the null hypothesis can or cannot be rejected : A researcher analyzed the results of an experiment and found that the obtained t -value (on a t -test of independent means) was 1.29, with a total of 25 children in group 1 and 30 children in group 2. Use a table of critical values and discuss whe..
A college degree voted in the last presidential election : In a survey of 1000 eligible voters selected at random, it was found that 200 had a college degree. Additionally, it was found that 70% of those who had a college degree voted in the last presidential election, whereas 59% of the people who did not h..
Reaction of coal with steam and oxygen : Coal gasification is carried out at 850 °C and 40 atmospheres pressure, by reaction of coal with steam and oxygen. The empirical formula of the coal is roughly CH0.8S0.013. What materials of construction would you recommend for:
What is the steady-state temperature distribution in bar : The thermal conductivity of a bar of length L=2 and cross section area A=2 is K(x)=1, and the heat source is given by f(x)=0.5x(L-x). If both ends of the bar are maintained at zero degree, what is the steady-state temperature distribution in the bar?..
Strategic advantages that could be gained from breakup : Identify a company that might be worth much more if it were broken into pieces and valued separately - Explained the difficultly investors have valuing companies with multiple business units and/or accepting the insights of EVA analysis.
Sketch a control scheme for the reactor section : Sketch a control scheme for the reactor section shown in Figure. The feeds are liquids and the reactors operate under pressure with inert nitrogen in the vapor space above the reagents. The objective is to achieve full conversion of feed A by the ..
Explain the importance of situating a society''s cultural : Explain the importance of situating a society's cultural and artistic expressions within a historical context.

Reviews

Write a Review

Chemical Engineering Questions & Answers

  Design a heat exchanger for the following dutyreduced crude

design a heat exchanger for the following dutyreduced crude oil leaving a distillation unit with a flow rate of 3166.04

  Define weight percentage of mtbe

Weight Percentage of MTBE (methyl tert-butylether) in Gasoline : Oxygen Content, If gasoline had a hypothetical chemical formula of C8H17, and we knew the chemical formula of MTBE as CH3OC4H9, what weight (actual weight and percent by weight) of M..

  Does this time sound reasonable

2. Alcohol is a diuretic agent, which increases urine production by reducing water reabsorption. Normal rate of water reabsorption is about 124 ml/min. Assume that the effect of alcohol on water reabsorption (in ml/min) is given by the following equa..

  Find the air fuel ratio for stoichiometric combustion

Find the air fuel ratio for stoichiometric combustion of Butane by volume. Calculate the percentage of carbon dioxide present in the DRY flue gas if 30% excess air is used

  Solve the initial value problem

Use Laplace transformation to solve the initial value problem

  Evaluate reflux ratio

Reconsider the Methanol Water Distillation. If the feed stream contains 60 mol % methanol, reevaluate reflux ratio, number of stages required, and the column diameter.

  Heated from a pipeline temperature

Water (1.25 kg/s) is to be heated from a pipeline temperature of 15°C to 85°C using superheated steam (13.75 kg/s) at 550°C and 3 MPa in a steady-state process to produce 15 kg/s of heated water. The heating is to be done in a mixing tank by directly..

  Types of hazard which arise from the use of chemicals

Outline the provisions of Occupational Safety and Health Act 2005 with regard to Substances hazardous to health Describe four types of hazard which arise from the use of chemicals

  Boiling point of water

A scheme for concurrently heating separate water and air streams involves passing them through and over an array of tubes, respectively, while the tube wall is heated electrically. To enhance gas-side heat transfer, annular fins of rectangular pro..

  Oxidation to form formaldehyde and water

A mixture containing 98 mol% methanol and 2 mol% of an inert contaminant is available as a feed to a formaldehyde plant. The fresh feed to a process consists of 1000 kmol/h of this mixture along with 200 kmol/h of oxygen. All of the oxygen is consume..

  Thermosetting polymers at room temperature

Which of the following would you expect to be elastomers and which thermosetting polymers at room temperature? Justify each choice.

  Mixture of maleic anhydride and benzoic acid

A mixture of maleic anhydride and benzoic acid containing 10 mol% acid is a product of the manufacture of phthalic anhydride.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd