Sludge is wet solids that results from the processing in municipal sewage systems. The sludge has to be dried before it can be composted or other wise handled. If a sludge containing 70% water and 30% solids is passed through a drier, and the resulting product contains 25% water. How much water is evaporated per ton (2000 lbm) of sludge send to the drier.

Q: Sketch a graph of the cooling curve. The data points do not have to be in the exact positions…

A: Data of Time(sec) vs Temperature (0C) is given  Find the graph of the cooling curve and when it…

Q: Calculate the mass of the alcohol lost in the bottoms based on the data shown in the Figure below…

A: Given: Feed to the distillation column is F = 1000 kg Distillate P = 100 kg Bottom Product B = 900…

Q: 100 ml of a liquid effluent (sp. gr. 1) is evaporated and 150 mg residue is obtained. 100 mg of this…

A: Solid% Residue collected from when 100 mg of 400 mg amount of settled solids from 1 lit. of this…

Q: What temperature-measuring devices would you recommend to make the following measurements: (a)…

A: To recommend temperature measuring devices for (a) temperature of the thermal decomposition of oil…

Q: Food items weighing 30 kg initially have a moisture content of 700% (dry basis). These ingredients…

A:

Q: xylene. Part of the data are given in the following table. Complete the data in the tab calculate…

A: This question is based on mass transfer. Data given : F  = 1000 lb / hr Composition : For Benzene:…

Q: Please trace this process on the given psychrometric chart. A crystalline solid is to be dried from…

A: Given :1. Stream A: 2. Stream B: 3. Stream C: 4. Stream D: %Humidity = 30%, constant-wet bulb

Q: Q1// A distillation column is used to separate a ternary mixture of benzene – Toluene and xylene.…

A:

Q: A wastewater sample with a DO content of 1.4 mg/L is diluted with deionized water with a DO content…

A: DO of waste water sample = 1.4 mg/LDO of diluted water = 8.8 mg/LDO after mixing = 7.8 mg/LA)…

Q: .A block of ice as a horizontal cylinder(height=Ddiameter%3D10CM) at OC is placed in an environment…

A: Whenever ice is kept in a surrounding with a temperature higher than 0oC, the ice block slowly…

Q: An evaporation-crystallization process (as shown below) is used to obtain solid potassium sulfate…

A: We are given the diagram in the question We have to calculate the recycled ratio using the given…

Q: Air at a dry ball temperature of 75 ° C and RH 4% is passed over the cooling coil until the air ball…

A:

Q: 3. An evaporator is used to concentrate cane sugar solutions. A feed of 10000 kg/day of a solution…

A:

Q: A sand pack is used to filter impurities from molten polyester downstream of the extruder and prior…

A: Given data: Temperature of polymer= 280 0C Viscosity of polymer = 650 Pa∙s Density of polymer = 1365…

Q: An evaporator is fed with 17400 kg/h of a solution containing 12.1% NaCl, 19.9% NaOH, and the rest…

A:

Q: Determine the reaction order and the coefficient using the following data obtained from a batch…

A:

Q: A.) 2.00 g NaOH is dissolved in 50.0 ml  water. The temperature of the water rises by 7.00oC.…

A: Hi, thank you for posting the question. As there are multiple questions posted, our guidelines allow…

Q: your

A: Given: The wavelength of Radiation = 459 nm Work Function of Metal = 4.5 eV

Q: Drying of a food product is carried out in an insulated tray. The drying air has a partial pressure…

A: Drying of the food product is carried out in the insulated tray. Partial pressure of the water in…

Q: An electrolysis cell that deposits copper (from Cu2+ ions) operates for 30 minutes at an electric…

A: Given that: Copper is deposited from Cu2+ ion by electrolysis cell. Time taken, t = 30 min = 1800 s…

Q: food items weighing 30 kg initially have a moisture content of 450% (dry basis). This material is…

A: Mass = 30kgInitial Moisture content = 450% (wet basis)Final moisture content = 20%To find: The mass…

Q: In the air conditioning process in the humidifier, air at a dry bulb temperature of 20 ℃ and RH of…

A: Air conditioning process in the humidifier: Given Data  Dry bulb temperature (DBT) =  20 ℃ RH1 =…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: Given weight of iron=95.18 g initial temp of iron=98.68 C final temp of iron =32 C initial temp of…

Q: In the production of alternative and natural sweeteners from Stevia, the cleaned leaves at a rate of…

A: It is required to calculate: a. Rate of production of the two final products in tons/year (assume…

Q: The air temperature measurement results obtained by the dry ball temperature 37 ° C and the wet bulb…

A: Given Data: Dry bulb temperature TDB = 37 ° C Wet bulb temperature TWB = 29 ° C

Q: What units must the constant 0.644 have? = What should be the value of the constant when all units…

A: following expression is given in the question h=0.644k0.67vp0.5 cp0.33D0.5 μ0.17        1unit of…

Q: After the addition of 24 g of ethanol (C2H5OH) to 1 kg of water, the freezing point of the solution…

A: 24 g of Ethanol (C2H5OH) dissolve in 1 kg of water. Freezing point of water at normal pressure= 0°c…

Q: determine the heat of evaporation of a certain compound, given the below graph 6.5 6. 5.5 5 4.5 4.…

A: A plot between ln P vs 1/T To Calculate the heat of evaporation using the given plot.

Q: An aqueous solution of gold nitrate is electrolyzed with a current of 0.5 ampere until 1.5 g of gold…

A:

Q: QI// A distillation column is used to separate a ternary mixture of benzene – Toluene and xylene.…

A: DISCLAIMER : “Since you have asked multiple question, we will solve the first question for you. If…

Q: 2. [Mixing] Chlorine gas containing 2.4% Oz is flowing through an earthenware pipe. The gas flow is…

A: Given that : Feed gas (F) composition is: Chlorine gas, Cl2=2.4% =0.024 Oxygen gas, O2= 97.6% =…

Q: Calculate the chemical composition of a typical yard waste with and without sulfur and with and…

A: Chemical composition of yard waste is to be calculated.

Q: A meat product with a temperature of 278 K and an initial moisture concentration of 0.1 kgmol/m3 was…

A: Given that  T = 278 k xi  = 0.1 kgmolm3d= 0.03 ml =0.04 m DAB  = 4.72 x10-10  m2st = 100 hr

Q: Considering the very slow cooling (i.e. equilibriumcooling) of a 1.5 wt% C alloy; a) Draw schematic…

A:

Q: QUESTION 1 The production of molten copper(1) sulfide is an important step in the making of copper.…

A: Given: A furnace contains mCu2S = 200 t at temperature T = 1200oC Mass of copper scrap (i.e. solid…

Q: An industrial slurry of density 3000kg/m3, per m3 of water and containing 300kg of calcium…

A: given- calcium carbonate(precipitated)=300kg density of calcium carbonate(precipitated)=3000kg/m3…

Q: A drier is to be designed to reduce the water content of copra from 180% to 10%. The available air…

A: Hello ! This is a question with multiple subparts. As per our policy, we have answered the first…

Q: Precipitated protein is centrifuged to a total moisture content of 28 wt%. It is then dried in a…

A: The rate of drying remains constant from free moisture content to critical moisture content, and…

Q: 100 kg of a mixture of sodium sulfate crystals (Na,SO, – 10H;0) and sodium chloride (Nacl) is heated…

A:

Q: A sample has initial mass of 10 grams. The quantity of water removed in the oven is 2 grams. The…

A: The initial mass of the sample, mi = 10 g Mass of moisture removed from the sample, mM = 2 g