Boiler/Steam/Condensate
What is the type of AUX Boiler
Rentec D-type Boiler
What is the expected amount that WWTU will treat per day?
Answer: 75,000 Gallons
What 2 distinct water products does Demin system produce?
Answer: Soft Water and Demineralized Water
How many Tepid Water Tank are there?
Who is the vendor for Air Compressor
Answer: HITACHI Sulair
Why is Amine Injected to Boiler header
Answer: To reduce corrosion for the piping of boiler & steam condensate system
What does the Primary DAF’s use to separate sludge particles?
Answer: White water injected with air
How many hours of consumption does the Demin & Soft water Tank provide?
Answer: 8h (72,000 gallon) 6h (16,930 gallon)
What temperature does the immersion heater heated to
65F
How many Instrument Air Compressor are there?
Answer: 3
How is the Economizer heated
Answer: Flue gas from the Boiler firebox
Name 2 places where the waste water we treat comes from?
Answer:
Condensate dump from ATM flash drum condensate pump P-901206
·CIP waste from CIP pump P-921019
·PTU wastewater from PTU skim pit P-201080
·First flush stormwater/ oily water from stormwater sump pump P-631910/ oily water sump pump P-631920
·Condensate from HVAC Heaters
Where is the soft water and demin water is used
Answer:
Soft Water- PTU
Demin Water- Deaerator, Lean amine storage tank
What psi does the jockey pump start up?
146PSI
Why is Biocide Injected to Cooling Tower?
Answer: to control the growth of organics
Pressure of steam header for heating the tanks and exchangers of PTU (Degumming, PE removal etc.)
Answer: 35 PSIG 226F
What 4 Chemicals are use in 3-Cell FFT?
Answer: Sulfuric Acid, Polymer, Caustic and Coagulant
What does the conductivity measure?
●It measures the ability to pass the electric current
●Amount of minerals and dissolved solids in water
Working Volume of the Fire/Utilities Tank
Answer: 919,920 gallons
What is cooling water supply temperature?
Answer: 85F
What are the 4 parts of Boiler
Answer:
1.Evaporator E-901061 (Steam and Mud Drum),
2.Economizer E-901064,
3.Air preheater E-901065 and a
4.Forced draft fan B-901062
Why is O2 used in Aeration Tank
Answer: “Bugs”, Biological treatment of the organic matter in the wastewater’s BOD removal
What is reverse osmosis in RO
●Osmotic pressure is the driving force of RO and it is proportional to the ratio of TDS on each side of the semi permeable membrane
●Reduce the total amount of TDS
Where are Potable Water used in?
(5)
Answer:
●guard shack, control room, administration building, rail building and safety shower/ eyewash stations.
What is the Pressure of HP natural gas line?
Answer: 660 PSIG then it is letdown to 525PSIG with a pressure let down