Question

Section B 1. Detail the chemistry for the synthesis of sulphuric acid from molten sulphur and what are the alternative synthesis routes 2. Ethylene, the primary petrochemical can be further subjected to chemical reactions to produce petrochemical products. Illustrate with appropriate reactions and feedstock 5 petrochemical products that can be obtained. 3. Steel is used for engineering purposes, what are the industrial steps involved in manufacturing steel. 4. Detail process equipment used in cement manufacturing,

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Answer 1

→ SO₂ lg) thes Any sulphurice aced from malten sulphur synthesis : steps inuolued are "' Oridation of Sulptures to Sulphur di oudle seg) + O₂(g) 2. sulphur dioxide is further oxidated to sulphun trionide in presence of V.Os as catalyst. 230,99)+ 0,99 VOS 250; (g) 45°C 3. H₂ S ₂ Oy 04 (1) Coleum ) H₂SO4 + 5O₂ formation of oleum 4. Formation of H₂SO4 H₂ S₂ Oy (l) + 420 (1) 2 halo (sulphuric acid 2 dari following pettochemical products can be produced from Ethylene :- Poly merization Polyethylene (Cha-chat &thylene. 1. Alkyla ton styrene (414244) Polystyrenes Dehydrogenation 2. 2. Pyrolysis Vinyl chloride - Polyvinyl chloride I chlorination c Cug=cud) osidation Acetaldehyde oxid", Acetic acid Wacker catalyst (CH3cu0) ((132004) oxidation leanbong lastigon, Merylia acid Polyacrylates (CH₂=CHCoow

Hot metal oxygen h e clinker palm, 3 Chez gyon Mailing 1 Steel Making proces guon making - coke + limestone & Pellets & guon are Blast furnace Blast o furnace Electrice are furnace steel casting Rails, Pipes, Plates 4 dha eft Essential equipments fou cement merrycetering @ Cement crusher various types are jaw rusher, cone verusher, hammer rushes, impact cushoz cement dusher fully vush the raw material, reduce feed size into the mill, and increase the reaction material and reduce the energy consumption of the whole cement production line : @ lement miell Clement ball mill; vertical cement mill and cement roller press are common types of cement mill- Its main two functions are ! pH quind the cushed material into fene size before ( cement miell is also applied for greinileng clinker into finished Mano cement

& Cement kiln :- there are two ma main lands cement keln, One is the cement rotary kiln. Another is is vertical and fined keln so it is called vertical kilu eement kiln is used to make cement Clenker and it is the care equipment of cement production line usually apply for dry method cement production 6 clenker cooler and dryer The dryer supplies heat stebly, ensures the drying quality and cement quality The rement cooler is used for clenker production - It quench the cement clenker that laid on the grate plate decreases, the temp- of lenker from 1200°C to 100°c and below the soleng gees enters into kilu as Secondary cier. 4 exhaust