Oxidation Of Acetylene

OXIDATION TYPES OF OXIDATION OXIDIZING AGENTS OXIDATION OF ACETALDEHYDE

The removal of hydrogen or addition of oxygen in a OXIDATION compound is called

TYPES OF OXIDATION OXIDIZING AGENTS OXIDATION OF ACETALDEHYDE

OXIDATION Dehydrogenation Introduction of Oxygen OF and OXIDATION TYPES Dehydrogenation Oxidation Dehydrogenation along with molecular OXIDIZING AGENTS condensation OXIDATION Oxidation of Sulfur Compounds OF ACETALDEHYDE Oxidation of Olefins

Nitric Acid Fuming Sulfuric Acid Hypochlorous acid and Salts OXIDATION PeroxidesOF OXIDATION TYPES Lead Peroxide (PbO2) OXIDIZING AGENTS Hydrogen Peroxide (H2O2) OXIDATION OF ACETALDEHYDE Manganese Peroxide (MnO2) Sodium Peroxide (Na2O2) Permanganates Dichromates Chromic Acid Solution

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OXIDATION TYPES OF OXIDATION OXIDIZING AGENTS OXIDATION OF ACETALDEHYDE e x

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OXIDATION OF ACETALDEHYDE

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This crude Acetaldehyde passes to heat w aa s s tt e e and then to Acetaldehyde Still, exchanger O X I D it comes to 99 – 99.8 % pure K E T

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Hydrolysis of Acetylene: C2H2 (g) + H2O (l) → CH3CHO (l) ss tt ee aa mm

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Acetaldehyde is produced by hydration bb r r i ni n45 e e – 55 % of Acetylene in crude form having strength

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OXIDATION OF ACETALDEHYDE

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 Nitrogen is vented through a series of condensers at the top

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 Kettle is made up of an aluminum-lined steel vessel, fitted with aluminum coils for heating and cooling purpose w a t e b r i n e  Acetaldehyde of 99.0 - 99.8% strength pre-cooled nn i i t t r rto o o 0-5°C gg e e n n is introduced in the vessel  Potassium acetate catalyst is added h e a t K 2 Cr 2 O 7 c c oo oo l e d e x c h a w w a a t te e r r CHs 3CHO t e a m→ CH3oxygen COOH absorption from the When h reaction starts, e a t incoming e x c h a n g e r air complete andthe heat removed by cooling w is a s almost t e OO XX I I DD II ZZ II N G water KK EE TT TT LL E to maintain the temp  The temperature is controlled that cc aa t t a a l l y y s s t t after 1 hour, it should be 27°C after 2 hours, it should be 28–30°C after 4 hours, it should be 60°C aa i i rr a t 7 0  Reaction time is about 12–14 hours ( ( l l bb i n2 / ) i n W e a k A c i d R e f i n e d R U D E  The of kettle keepsC 65.3psi C HC H O C HCpressure H O

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OXIDATION OF ACETALDEHYDE w

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Acetic acid is collected from plant having a strength 65% h e a tt

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To increasing c a the t a l purity, y s t we use AceticAcid Still just like in Acetaldehyde Still and by this process we get Acetic acid of strength exceeding a i r a 96%. t 7 0 e a k H C H O 3

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MUHAMMAD SERVER REHMANI MUHAMMAD ASIF SALEEM