Q3: COD test is often used in conjunction with the BOD test to estimate the amour of non-biodegradable organic material in an industrial waste water. Explain the following SROD COD is 05 06 in dairy plant wastes

Q: The globular to random coil transition temperature for a polymer P in a dilute aqueous solution…

A: For transition temperature, T1 =370C=310K, concentration, C1=0.05 mol/L For transition temperature,…

Q: A beaker holds 800ml of water. A student fills it to the top and then puts a baseball in the beaker.…

A: Given that- The total volume of the beaker = 800 mL The volume of water that spilled out = 300 mL To…

Q: In this process, acrylic acid (AA) is produced through the oxidation of propylene at 300°C and  2.57…

A: The process flow diagram for the production of acrylic acid through propylene oxidation includes the…

Q: What is the best description of the following system and what is the stream S1 called $1 A Select…

A: a. Recycle system, recycle steam

Q: A food product with 80% moisture content in a 5 cm diameter can is to be frozen. The density of the…

A: Given that d=5 cm =0.05 m k =1 wm kTi =-2.25 C=-2.25+273.15=270.9 KT∞ =-35 C=-35+273.15=238.15 KTf…

Q: An aeration activated sludge process treats 39,000 m3 /d of wastewater containing 250 g/m3 BOD5. The…

A:

Q: A mercury manometer installed across an orifice meter (diameter = 1.5 cm) in a horizontal pipe…

A: Bernoulli's equation, which connects the pressure difference across the orifice metre to the fluid's…

Q: Question 3: Consider a cylindrical Tank of Height X as shown in the figure below. The tank consists…

A: Total time required to drain the tank by opening both the outlet = 1 day Ratio of the diameter of…

Q: The Steam Tables 1. Determine the vapor pressure, specific internal energy, and specific enthalpy of…

A:

Q: A piston- cylinder system containing 0.5 lbm of air undergoes two reversible processes as shown in…

A: The temperature at state-1, T1 = 800 °C = 1073 K The temperature at state-2, T2 = 800 °C = 1073 K…

Q: Hydrogen gas can be produced by heating methane gas CH4 and water vapor with a nickel catalyst to a…

A:

Q: A test feed containing 200 kg of solid is separated by a hydrocyclone and the particle size…

A: Total mass of the feed = 200 Kg Mass of the solid collected from the underflow = 166.5 Kg Data of…

Q: Considering the micrograph Calculate the magnification belongs to material as single phase alloy. by…

A:

Q: 1. Calculate the apparent molar concentrations (m) of sodium chloride solutions by using density.…

A: Since you have posted multiple questions, we will provide the solutiononly to the first question as…

Q: Estimate the mass feed rate (g/min) of HOCl and of NH3 to achieve a monochloramine residual of 1.8…

A: Volumetric flow rate = 38,000 m3/day Concentration of monochloroamine = 1.8 mg/L

Q: A polynomial fit to measurements of the total volume of a binary mixture of A and B is, ν = 778.55 −…

A:

Q: A gas mixture containing nitrogen is refractory with an inner radius (R1) of 4 cm and an outer…

A: The diffusivity of Nitrogen gas = 2×10-4m2/s radius of the inner radius of the shell R1 = 4cm The…

Q: Use steam tables or NIST fluids website ( https://webbook.nist.gov/chemistry/fluid/ ) to answer the…

A: To determine the volume of the cylinder, we need to use the properties of methanol and the ideal gas…

Q: Discuss the need for a purge gas in TGA

A: TGA stands for thermogravimetric analysis. By TGA , we can characterise the given sample of mixture…

Q: 2. In the methanol synthesis described above, small quantities of non-reactive gaseous impurities…

A:

Q: 11.28 Assume that the reaction A = B is first order in both directions. The initial concentration of…

A:

Q: A typical neutralisation process produces approximately 60,000 m3 of vapour per tonne of fertiliser,…

A: To design a scrubber that can neutralize the NH3 vapour and meet the standard of 0.15 kg of NH3 per…

Q: Chlorine gas is being transported using horizontal commercial steel pipe (1-inch Schedule 40). The…

A:

Q: 4. What is the value of P, if the value of A = 10 mole, B = 15 mole, C = 6 mole, D = 8 mole? H

A: From the diagram we can write that.. Input = output A= P + D P= 10 -8= 2 mole

Q: 26.20 The data provided in Figure 26.7 are based on the diffusion of O₂ into SiO₂ formed from the…

A:

Q: Demonstrate the calculations for enthalpies 1, 2, and 3.

A: Specific enthalpy of sulfuric acid at 120 0F is to be determined.

Q: Write an opinion essay of 300 words on Climate Change. Include 5 sources and only use paraphrasing.

A: Climate change is now one of the most alarming global issues of our times . A myriad of scientific…

Q: Disinfection by products refer to compounds such as___________________ that are formed during…

A: Disinfection by-products (DBPs), also called trihalomethanes (THMs), are formed when chlorine and…

Q: 16.31 The reaction n-C3H₁Br + S₂O¾¯ → C3H¬S₂ u! ay pas "an at pad foary u

A:

Q: In the Otto cycle the initial pressure and temperature of compression are 100 kPa and 40°C, it is…

A:

Q: Consider a heterogeneous gas-phase catalytic reaction: AB(g)→A(g)+B(g) (Catalyst) The surface…

A: Catalytic heterogeneous gas phase reaction is given, AB(g) + S ↔ka-1ka Ab*S…

Q: 27.4 One step of the manufacturing of silicon solar cells is the molecular diffusion (doping) of…

A: For the calculation of the concentration of the P atoms at the depth of 0.467μm after 40 min, We…

Q: A feed to a distillation column consisting of 54 wt% benzene and 46 wt% toluene is separated into…

A: A mixture of benzene and toluene is separated into overhead and bottom product in a fractional…

Q: Integrate the rate differential equation

A: The reaction given asA⇌B, is a first order in both direction

Q: It is required to dry natural gas containing 80 lbs of water per 106 ft³ by passing it through a bed…

A: Economic absorption factor, A = 4% water dry basis The mass of water in the natural gas, mwater = 80…

Q: The equilibrium constant for the reaction of nitrogen and hydrogen to give ammonia is 0.118 at 745…

A:

Q: Kindly provide an answer and explain why you chose it. The region inside the inversion curve has…

A: Basic understanding of Inversion curve: Inversion curve: The curve on which the Joule Thomson…

Q: mework 3 - Chapter 5 - Thermochemistry Using the enthalpies of formation and balanced equation given…

A: The reaction given is as follows: 3A(g) + 2B(g) → 3C(g) + 1D(g) ∆Hfo(A(g)) = -458 kJ/mol∆Hfo(B(g)) =…

Q: Derive the expressions for the activity coefficients from the Margules equation

A: Write the activity coefficient for component 1 from the excess molar Gibbs free energy. Here, the…

Q: A complete-mixed activated sludge process (CMAS) is to be designed to treat 7.0 MGD of primary…

A: Effluent BOD5 = 170 mg/L TSS concentration = 20 mg/L Biokinetic parameters are, Y = 0.7 mg VSS/mg…

Q: Propane (C₂H₂) is burned in a combustion chamber at a flow rate of 30.00 m³/min with 30.0% excess…

A:

Q: Q2 A steel cylinder contains ethylene (C₂H4) at 200 psig. The cylinder and gas mass is 372 lbm. The…

A: Initial Conditions of the Cylinder: Initial Pressure of the ethylene in the cylinder = 200 psig…

Q: Hydrogen gas is diffusing through an unglazed neoprene rubber with a wall thickness of 50 mm at 30°C…

A:

Q: The water-gas shift reaction below takes place at 500 K and 10 bar. Assume ideal gas conditions.…

A: Temperature = 500 K Pressure = 20 bar Feed is equimolar.

Q: 1- A current of 15 A was passed through a copper sulfate solution for 10 min. (a) what weight of…

A: Current, I = 15 A time, t = 10 min = 10 x 60 = 600 sec a) from Faradays law , Cu2+ deposited  =…

Q: 3. A flash unit is used to separate any mixture into liquid and vapour streams at equilibrium. The…

A:

Q: Consider a 1.2-m-high and 2-m-wide glass window whose thickness is 6 mm and thermal conductivity is…

A:

Q: One hundred g-moles per hour of liquid n-hexane at 25°C and 7 bar is vaporized and heated to 300°C…

A:

Q: At 25°C The I-ion can effectively catalyze the decomposition reaction: 2 2H₂02₂ → 2H₂O+ O₂ following…

A: The volume of oxygen produced on the decomposition of H2O2 at different time is given.

Q: A feed of one thousand kilograms aqueous solution of pyridine per hour mass) is to be extracted in…

A: A mixture of pyridine-water is to be separated with help of pure benzene in a multistage counter…