Chemistry
How many molecules of water is cooked off Landplaster to produce stucco?
1.5 is acceptable. But technically you cannot remove 1.5 molecules of something so it it actually 3 molecules of water for every 2 molecules of CaSO4
What country will our gypsum rock initially come from?
Mexico
What equipment is used to produce stucco at Wheatland?
MBR Kettle
What sport does Dylan coach?
The best sport, aka soccer
Name of the process of converting Landplaster to Stucco
Calcination
Where will the mill operator be stationed?
Mill/Board control room
What can be mixed in with natural rock as the feed into the mill?
Wallboard waste
What brand of chips does Curtis eat at the construction site trailer?
Pringles
What is the chemical name of stucco?
Calcium Sulphate Hemihydrate
What are the three physical layers in wallboard (from the powerpoint)?
Face paper, core, and back paper
What equipment is used to produce Landplaster at Wheatland?
Williams heated roller mill
Name 3 plants Duane has worked at, not including Wheatland.
Hagersville, Oakville, Norfolk, Oakfield, Westlake
What is the term used for Landplaster that has been over cooked to the point of no return?
Deadburn or insoluable anhydrite
Name 2 uses of gypsum outside of wallboard.
soil conditioner, fertilizer, paint thickener, food additive, textile additive
Name all of CGCs owned and operated wallboard plants
Hagersville, Montreal, and Wheatland (soon to be). AWL is not owned by CGC.
What is Cliff's full name?
Eltoncliff Tuyishime Ntwali
What is the chemical formula of gypsum and what is the chemical formula of Landplaster. No partial points.
CaSO4.2H2O (for both)
Name 5 CGC Gypsum products. partial points available.
Mold Tough, Ultralight, Firecode, ULIX, Shaft Liner, Securock, 1/2" FCC, 5/8" FCC, 3/8" Sheetrock, Ultralight Pro
Name 2 critical mill factors and describe them. Partial points available.
LP Purity
•Formulation, strength, and weight
•Hydration, WSR, and bond
Stucco Stiffening
•Slurry initial set characteristics
•Formation, core activity, strength, and NP
LP Free Moisture
•LP production, HRA efficiency, ball mill runnability
•Flowability, kettle throughput, and fuel usage
Calcination Ratio
•Effective purity or usable stucco for hydration
•Set, stiffening, weight, and core/NP strength
LP Particle Size
HRA efficiency, stucco PSD, surface area, water demand, initial set, hydration, and strength
Name at least 4 of Sean Maynard's jobs with USG/CGC. Partial points available.
Board Mgr - Norfolk
Ops Mgr - Rainier
FT Operator - Stony Point?
Maint GF - Stony Point?
SC/CI/Office Mgr - Norfolk?
I'm sure there are others...........
I HAVE LOST TRACK!!!!!!