🔹 The hydrogen recycle system:✔ Reuses excess hydrogen gas after separating it from reaction products.✔ Uses a recycle gas compressor to send hydrogen back to the reactor.
✔ Heat Exchangers – Used for feed preheating.✔ Hydrotreater Reactor – Contains catalyst for desulfurization.✔ Hot Separator & Cold Separator – Separate gases from liquids.✔ ...
Step-by-step process flow:1️⃣ Feed Preheating – Raw naphtha is heated using heat exchangers.2️⃣ Mixing with Hydrogen – Hydrogen is added to the feed.3️⃣
🔹 The operating conditions vary based on feed composition, but generally:✔ Temperature: 280–400°C (536–752°F)✔ Pressure: 30–60 bar (450–900 ...
Sulfur removal is critical because:✔ Protects reformer catalyst – Sulfur poisons the Pt-based catalyst in catalytic reforming.✔ Reduces SO₂ emissions – Prevents air ...
The key reactions in the NHT unit are:✔ Hydrodesulfurization (HDS) R−S+H2→R−H+H2SR-S + H₂ → R-H + H₂SR−
the catalyst used in NHT is typically Co-Mo (Cobalt-Molybdenum) or Ni-Mo (Nickel-Molybdenum) on an alumina base.✔ It promotes hydrodesulfurization (HDS) and hydrodenitrogenation (HDN) reactions.✔ Helps convert ...
