Determine the lime and soda ask dose, in mg/L as CaCOs to soften the following water to a final hardness of 70.0 mg/L as CaCO3. The ion concentrations reported below all as CaCO3.
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Determine the lime and soda ask dose, in mg/L as CaCOs to soften
the following water...
Determine the lime and soda ash dose, in mg/l as CaCO3, to soften the following water...
Determine the lime and soda ash dose, in mg/l as CaCO3, to soften the following water to a final hardness of 80 mg/l as CaCO3. The ion concentrations reported below are all in mg/l as CaCO3. Ca2+ = 120 Mg2+ = 30 HCO3- = 70 CO2 = 10
3. Determine the lime and soda ash dose, in mg/L as Ca(OH)2 and Na2CO3, to soften...
3. Determine the lime and soda ash dose, in mg/L as Ca(OH)2 and Na2CO3, to soften the water of a village to a final hardness of 40.0 mg/L as CaCO3. Chemical analysis showed that the water contains Na+ (50 mg/L), Ca2+ (150 mg/L), Mg²+ (30 mg/L, HCO3 (100 mg/Las CaCO3), Cl (80 mg/L). and CO2 (5.0 mg/L).
The following water quality data are available for a community Water quality Ca2+ = 60 mg/l...
The following water quality data are available for a community Water quality Ca2+ = 60 mg/l (as species) Mg2+ = 40 mg/l (as species) HCO3- = 220 mg/l as CaCO3 CO2 = 7 mg/l (as species) pH = 7.6 Final desired hardness = 80 mg/l as CaCO3. The flow rate of the treatment plant is 0.24 m3/s. a. Calculate the total, carbonate, and non-carbonate hardness b. Calculate the amount of lime (as mg/l of CaO) needed to soften the water...
What amount of lime, in mg/L as CaCO3, is required to soften the village of Lime...
What amount of lime, in mg/L as CaCO3, is required to soften the village of Lime Ridge's water to 80 mg/L hardness as CaCO3 Compound Concentration, mg/L as CaCO3 CO2 4.6 Ca2+ 237.9 Mg2+ 62.2 HCO3- 268 SO42- 32.1
QUESTION 3 Given the following information determine the annual chemical cost to soften the water in...
QUESTION 3 Given the following information determine the annual chemical cost to soften the water in a treatment plant. Water flow rate = 0.04 m3/s Ca2+ = 167 mg/L as CaCO3 Mg2+ = 21 mg/L as CaCO3 HCO3 = 167+21 mg/L as CaCO3 CO2 = 7 mg/L as CaCO3 Cost of lime (purchased as Cao)= 76.7 per megagram (Mg) Cost of soda ash (purchase as Na2CO3) = 261.1 per megagram (Mg) Assume the lime is 90 percent pure and soda...
1e. What amount of lime and/or soda ash, in mg/L as CaCO3, is required 6-19 to...
1e. What amount of lime and/or soda ash, in mg/L as CaCO3, is required 6-19 to soften the Village of Zap's water to 80.0 mg/L hardness as CaCO3? Compound CO2 Ca2+ Mg нсоз Concentration, mg/L as CaCO3 44.2 87.4 96.3 204.6 73.8 SO so
The chemical composition of a water sample is given in the table below. The goal hardness...
The chemical composition of a water sample is given in the table below. The goal hardness is 80 mg/L as CaCO3 Water composition (mg/L): Ca2+ HCO3 15 SO42- Na* CO2 242 Mg2+ 56 (a) Convert the given ionic concentrations in mg/L to mg/L as CaCO3 (b) What is the total hardness, carbonate hardness and non-carbonate hardness? (C) What is the lime-soda dosage to soften the water to a hardness of 80 mg/L as CaCO3 (d) What is the annual cost...
Question 30 (4 points) Groundwater defined by the following analysis is to be softened by lime-soda...
Question 30 (4 points) Groundwater defined by the following analysis is to be softened by lime-soda ash treatment. The target total hardness is 90 mg/L as CaCO3, in which CH = 40 mg/L as CaCO3 CO2 = 30 mg/L as CO2 = 120 mg/L as Ca2+ Ca2+ Mg2+ = 48 mg/L as Mg2+ Nat = 46 mg/L as Nat HCO3 = 200 mg/L as Cacos SO42- 96 mg/L as SO42- 35 mg/L as CI FORMULA CO2 CaCO3 EQUIVALENT WEIGHT (S/EW)...
Please need ASAP Problem 1 (25 pts) The influent water to a water treatment plant that treats 50x10° L/day has a pH of 7.5 and the following composition: eqmolW (g/mol) [1 | (me/L) | [1 (mg/L...
Please need ASAP
Problem 1 (25 pts) The influent water to a water treatment plant that treats 50x10° L/day has a pH of 7.5 and the following composition: eqmolW (g/mol) [1 | (me/L) | [1 (mg/L as CaCO) L) mg/L) | H2COs 100 2 62.0 3.2 161.3 Ca2 100 2 40.0 5.0 250.0 Mg2 40 2 24.4 3.3 163.9 Nat 43.5 20 0.9 23.0 300.0 300 100.0 6.0 ALK 114.6 2.3 96.0 110 SO1 a) Write the chemical reactions controlling...
(15 pts) Calculate the lime and soda ash for Hardness removal of a water with the following water chemistry: CO2/H2CO3 = 0.7 meq/L Ca(HCO3)2 3.5 meq/L CaSO4 = 1.8 meq/L MgS04 2.0 meq/L 1. (...
(15 pts) Calculate the lime and soda ash for Hardness removal of a water with the following water chemistry: CO2/H2CO3 = 0.7 meq/L Ca(HCO3)2 3.5 meq/L CaSO4 = 1.8 meq/L MgS04 2.0 meq/L 1.
(15 pts) Calculate the lime and soda ash for Hardness removal of a water with the following water chemistry: CO2/H2CO3 = 0.7 meq/L Ca(HCO3)2 3.5 meq/L CaSO4 = 1.8 meq/L MgS04 2.0 meq/L 1.
3. Determine the lime and soda ash dose, in mg/L as Ca(OH)2 and Na2CO3, to soften the water of a village to a final hardness of 40.0 mg/L as CaCO3. Chemical analysis showed that the water contains Na+ (50 mg/L), Ca2+ (150 mg/L), Mg²+ (30 mg/L, HCO3 (100 mg/Las CaCO3), Cl (80 mg/L). and CO2 (5.0 mg/L).
QUESTION 3 Given the following information determine the annual chemical cost to soften the water in a treatment plant. Water flow rate = 0.04 m3/s Ca2+ = 167 mg/L as CaCO3 Mg2+ = 21 mg/L as CaCO3 HCO3 = 167+21 mg/L as CaCO3 CO2 = 7 mg/L as CaCO3 Cost of lime (purchased as Cao)= 76.7 per megagram (Mg) Cost of soda ash (purchase as Na2CO3) = 261.1 per megagram (Mg) Assume the lime is 90 percent pure and soda...
1e. What amount of lime and/or soda ash, in mg/L as CaCO3, is required 6-19 to soften the Village of Zap's water to 80.0 mg/L hardness as CaCO3? Compound CO2 Ca2+ Mg нсоз Concentration, mg/L as CaCO3 44.2 87.4 96.3 204.6 73.8 SO so
The chemical composition of a water sample is given in the table below. The goal hardness is 80 mg/L as CaCO3 Water composition (mg/L): Ca2+ HCO3 15 SO42- Na* CO2 242 Mg2+ 56 (a) Convert the given ionic concentrations in mg/L to mg/L as CaCO3 (b) What is the total hardness, carbonate hardness and non-carbonate hardness? (C) What is the lime-soda dosage to soften the water to a hardness of 80 mg/L as CaCO3 (d) What is the annual cost...
Question 30 (4 points) Groundwater defined by the following analysis is to be softened by lime-soda ash treatment. The target total hardness is 90 mg/L as CaCO3, in which CH = 40 mg/L as CaCO3 CO2 = 30 mg/L as CO2 = 120 mg/L as Ca2+ Ca2+ Mg2+ = 48 mg/L as Mg2+ Nat = 46 mg/L as Nat HCO3 = 200 mg/L as Cacos SO42- 96 mg/L as SO42- 35 mg/L as CI FORMULA CO2 CaCO3 EQUIVALENT WEIGHT (S/EW)...
Please need ASAP
Problem 1 (25 pts) The influent water to a water treatment plant that treats 50x10° L/day has a pH of 7.5 and the following composition: eqmolW (g/mol) [1 | (me/L) | [1 (mg/L as CaCO) L) mg/L) | H2COs 100 2 62.0 3.2 161.3 Ca2 100 2 40.0 5.0 250.0 Mg2 40 2 24.4 3.3 163.9 Nat 43.5 20 0.9 23.0 300.0 300 100.0 6.0 ALK 114.6 2.3 96.0 110 SO1 a) Write the chemical reactions controlling...
(15 pts) Calculate the lime and soda ash for Hardness removal of a water with the following water chemistry: CO2/H2CO3 = 0.7 meq/L Ca(HCO3)2 3.5 meq/L CaSO4 = 1.8 meq/L MgS04 2.0 meq/L 1.
(15 pts) Calculate the lime and soda ash for Hardness removal of a water with the following water chemistry: CO2/H2CO3 = 0.7 meq/L Ca(HCO3)2 3.5 meq/L CaSO4 = 1.8 meq/L MgS04 2.0 meq/L 1.
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