KOCTECH TECHNICAL PORTFOLIO
Crude Oil Refinery Systems
From crude receipt and primary separation to clean fuels, conversion, sulfur management and product dispatch.
COMPLETE PLANTS
Complex Refineries
Tank Farms & Loading SystemsREFINERY UNITS
Crude Distillation Unit (CDU)Primary atmospheric separation of stabilized crude into gas, naphtha, kerosene, diesel/gasoil and residue.OPEN DEDICATED PAGE →
Vacuum Distillation Unit (VDU)Low-pressure separation of atmospheric residue while limiting thermal cracking and coke formation.OPEN DEDICATED PAGE →
Naphtha Hydrotreating (NHT)Removal of sulfur, nitrogen and contaminants before reforming or product blending.OPEN DEDICATED PAGE →
Kerosene Hydrotreating (KHT)Hydrogen treatment to control sulfur, smoke point, color and stability as required.OPEN DEDICATED PAGE →
Diesel Hydrotreating (DHT)Catalytic sulfur and contaminant removal for low-sulfur diesel production.OPEN DEDICATED PAGE →
Continuous Catalytic Reforming (CCR)Octane upgrading of hydrotreated naphtha with hydrogen-rich gas production.OPEN DEDICATED PAGE →
Hydrogen Generation & PSAHydrogen production and purification sized to refinery consumers and purity requirements.OPEN DEDICATED PAGE →
Amine Gas TreatingRemoval of H₂S and selected acid gases from refinery fuel gas and process streams.OPEN DEDICATED PAGE →
Sour Water Stripping (SWS)Removal of H₂S and ammonia from refinery sour-water streams for reuse or wastewater treatment.OPEN DEDICATED PAGE →
Sulfur Recovery Unit (SRU)Conversion of acid-gas H₂S into elemental sulfur with tail-gas handling as required.OPEN DEDICATED PAGE →
Crude Preflash SystemFront-end removal of light components to reduce atmospheric-column vapor load and improve heat integration.OPEN DEDICATED PAGE →
Naphtha Light-Ends Removal UnitStabilization of straight-run or hydrotreated naphtha by removing dissolved gases, H₂S and light ends.OPEN DEDICATED PAGE →
Butane Removal & Naphtha Stabilization UnitFractionation that removes C₄ and lighter components from stabilized naphtha or conversion-unit liquid.OPEN DEDICATED PAGE →
Naphtha SplitterSeparation of full-range naphtha into light and heavy fractions matched to downstream processing.OPEN DEDICATED PAGE →CONVERSION UNITS
Fluid Catalytic Cracking (FCC)Catalytic conversion of vacuum gas oil and compatible heavy feeds into gasoline, LPG, light cycle oil and gas.OPEN DEDICATED PAGE →
Hydrocracking Unit (HCU)High-pressure catalytic conversion of heavy distillates into clean naphtha, jet and diesel-range products.OPEN DEDICATED PAGE →
Delayed Coking Unit (DCU)Severe thermal conversion of vacuum residue into lighter products and petroleum coke.OPEN DEDICATED PAGE →CLEAN FUELS SYSTEMS
Integrated Desulfurization SystemsCoordinated sulfur removal across naphtha, kerosene, diesel, gas and sour-water streams.OPEN DEDICATED PAGE →
Tail Gas Treating Unit (TGTU)Recovery of residual sulfur species from SRU tail gas to meet overall sulfur-recovery and emissions targets.OPEN DEDICATED PAGE →CRUDE OIL REFINERY SYSTEMS
Crude Receiving, Metering & BlendingReceives, measures, segregates and blends crude feed before desalting and distillation.OPEN DEDICATED PAGE →
Crude Desalting & DehydrationRemoves inorganic salts, free/emulsified water and suspended solids before the preheat train and furnace.OPEN DEDICATED PAGE →
Light Naphtha IsomerizationRaises octane of C₅/C₆ light naphtha with minimal aromatic formation.OPEN DEDICATED PAGE →
LPG Recovery & FractionationRecovers and separates refinery C₃/C₄ components from stabilizer, FCC or other gas streams.OPEN DEDICATED PAGE →
Merox / Sweetening SystemsConverts or removes mercaptans from LPG, naphtha or kerosene streams where catalytic sweetening is appropriate.OPEN DEDICATED PAGE →
Alkylation UnitCombines light olefins with isobutane to produce high-octane, low-sulfur alkylate.OPEN DEDICATED PAGE →
Jet Fuel Treatment & FinishingConditions kerosene-range material to meet sulfur, smoke point, freezing point, stability and cleanliness targets.OPEN DEDICATED PAGE →
Refinery Product Blending & CertificationCombines component streams into controlled finished fuels while protecting specification and traceability.OPEN DEDICATED PAGE →