CPI Prelims
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Unit and Miscellaneous Processes
Last updated 1:21 PM on 2/3/25
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45 Terms
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Kraft Process
manufacture of paper from pulp employing the Foudrinier machine
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Bosch Process
method of recovering hydrogen from water gas; carbon monoxide is reacted with steam at 500°C in the presence of catalyst to form carbon monoxide and hydrogen
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Hoepener process
recovering copper from its sulfide ores by leaching with cupric and sodium or calcium chloride solution and electrolyzing the resulting cuprous chloride liquor in cells with impure copper anodes protected by diaphragms the electrolytic byproduct cupric chloride is returned for further leaching
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Holloway process
copper or iron sulfides you fused and blown with air to burn out the sulfur content
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Barff process
formation a rust resistant coating on iron; base metal by oxidation with superheated steam
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Carinthian process
process for reduction of lead ores; small charge is roasted slowly at a low temp, the lead being collected outside the furnace by means of a heat
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cyanidation process
method of recovering gold and silver from their ores into a soluble form by treatment with cyanides
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Babbyry Process
rubber reclaiming process and vulcanized scraps are introduced into a mixture where in the presence of air it is worked under pressure and at high temperature for a very short time
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Dennis Bull Process
sulfonation and extraction process in the manufacture of phenol
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Solvay Process
soda ash manufacture
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Habel-Bosch Process
production of ammonia by direct combination of nitrogen and hydrogen at 600°C and under 200 to 300 atmospheric pressure in the presence of catalyst
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Frasch Process
the process of recovering sulfur from the buried porous rock of a salt Dome and delivering it above ground as a product of suitable purity and condition for use
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Hall's Process
extraction of aluminum from bauxite
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Alkylation
addition of alkyl radical (-CH3) with side chain final product
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Amination by Ammonolysis
+4NH3
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Amination by Reduction
+3H2
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Ammonoxidation
+NH3 + 1.5O2
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Calcination
ex. limestone + heat -> lime + CO2
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Carbonylation
+CO
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Carboxylation
+CO2 (pressure)
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Combustion
+2O2
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Condensation
(NaOH) -> product + water
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Cracking or Pyrolysis
C6 -> C4 + C2
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Cyanidation or Cyanation
+HCN
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Cyclization
C6 -> cyclohexane +H2
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Dehydration
ex. ethanol -> ethylene + H2O
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Dehydrogenation
ex. 1-butene -> 1,3-butadiene +H2
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Diazotization and Coupling
product is R-N=N-R(given)
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Disproportionation
ex. 2propylene -> ethylene + butylene
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Double Decomposition (Metathesis)
ex. Ca(OH)2 + H2SO4 -> CaSO4 + 2H2O
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Esterification
Alcohol + Organic Acid >> Ester + Water
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Halogenation
Cl2 -> R-Cl
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Hydration
ex. R + H2O -> R-OH
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Hydroformylation
+CO + H2
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Hydrogenation
R-CH=CH-R + H2 -> R-CH2-CH2-R
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Hydrolysis
R-benzene + H2O -> phenol +HR
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Hydroxylation
+R-CH2-OH
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Isomerization
butane -> isobutane
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Nitration
+HNO3
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Oligomerization
ex. 3 1,3-butadiene -> 1,5,9-cyclododecatriene
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Oxidation
+n O2
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Polymerization
Addition and Condensation
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Reduction
ex. 3TiCl4 + Al -> 3TiCL3 + AlCl3
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Sulfonation
+H2SO4
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Thionation
+2 S
Note 
Flashcards (52)