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Chemical Plant Engineering & Construction (Full-Cycle EPC)

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Chemical Plant Engineering & Construction (Full-Cycle EPC)

Colock provides specialized EPC services for chemical and biochemical manufacturing plants, from laboratory-scale development to full-scale commercial production facilities. Our process engineers bring deep expertise in organic synthesis, fermentation, catalytic processes, separation, and purification technologies.

Process Development & Scale-Up Services

Laboratory & Pilot-Scale Trials
  • Lab-scale process development and optimization
  • Bench-scale reactor studies (batch, semi-batch, continuous)
  • Kinetics studies and reaction mechanism analysis
  • Catalyst screening and optimization
  • Pilot plant design and operation (10L to 1000L scale)
  • Process parameter optimization (temperature, pressure, residence time)
  • Yield improvement and byproduct minimization
  • Scale-up feasibility and risk assessment
Process Simulation & Modeling
  • Aspen Plus, Aspen HYSYS process simulation
  • Mass and energy balance calculations
  • Thermodynamic modeling and property estimation
  • Distillation column design and optimization
  • Reactor modeling (CSTR, PFR, batch reactors)
  • Heat exchanger network optimization
  • Utility demand forecasting
  • Process economics and cost estimation

Process Engineering & Design

Our process engineering team delivers comprehensive design packages that form the foundation of your chemical plant:

  • Process Flow Diagrams (PFD): Block flow diagrams, detailed PFDs with material and energy balances, and utility requirements.
  • Piping & Instrumentation Diagrams (P&ID): Detailed P&IDs showing all equipment, piping, instrumentation, control loops, and safety systems.
  • Process Design Basis: Design philosophy, operating conditions, material specifications, and process descriptions.
  • Equipment Specifications: Detailed specifications for reactors, distillation columns, heat exchangers, pumps, compressors, vessels, and specialty equipment.
  • Utility Requirements: Steam, cooling water, chilled water, refrigeration, compressed air, nitrogen, and other process utilities.
  • Process Safety Studies: HAZOP (Hazard and Operability Study), LOPA (Layer of Protection Analysis), consequence modeling, and emergency response planning.

Core Chemical Process Technologies

Colock has extensive experience in the following chemical process areas:

Organic Synthesis

Batch and continuous organic reactions, multi-step synthesis, API (Active Pharmaceutical Ingredient) production, fine chemicals, and specialty chemicals manufacturing.

Fermentation & Bioprocessing

Aerobic and anaerobic fermentation, enzyme production, biomass cultivation, cell culture systems, downstream processing, and biopharmaceutical manufacturing.

Catalytic Processes

Heterogeneous and homogeneous catalysis, catalyst bed design, fixed-bed and fluidized-bed reactors, catalyst regeneration systems, and precious metal recovery.

Separation & Purification

Distillation (batch, continuous, extractive, azeotropic), solvent extraction, crystallization, filtration, membrane separation, chromatography, and drying systems.

Polymerization

Emulsion polymerization, solution polymerization, suspension polymerization, bulk polymerization, and specialty polymer production.

Petrochemicals & Refining

Cracking processes, reforming, alkylation, isomerization, hydroprocessing, and specialty fuel production.

Mechanical & Equipment Engineering

Our mechanical engineering team handles detailed design and specification of all chemical plant equipment:

Pressure Vessels & Reactors
  • ASME Section VIII vessel design
  • Batch reactors, continuous stirred-tank reactors (CSTR)
  • Jacketed vessels, half-pipe coil vessels
  • High-pressure and high-temperature reactors
  • Glass-lined and exotic material reactors
  • Agitation systems and mixing studies
  • Pressure relief and safety valve sizing
Columns & Towers
  • Distillation columns (tray, packed)
  • Absorption and stripping columns
  • Extraction columns
  • Tray design and hydraulic analysis
  • Packing selection and sizing
  • Column internals design
Heat Exchangers
  • Shell and tube exchangers (TEMA standards)
  • Plate heat exchangers
  • Air-cooled exchangers
  • Spiral heat exchangers
  • Reboilers and condensers
  • Thermal design and rating
  • Material selection for corrosive services
Rotating Equipment
  • Centrifugal pumps (API 610)
  • Positive displacement pumps
  • Compressors (centrifugal, reciprocating, screw)
  • Vacuum pumps and systems
  • Blowers and fans
  • Agitators and mixers
  • Mechanical seal and packing selection
Filtration & Solids Handling
  • Filter presses, rotary vacuum filters
  • Centrifuges (basket, disc stack, decanter)
  • Crystallizers and dryers
  • Conveyors and material handling systems
  • Dust collection and baghouse systems
  • Pneumatic conveying systems
Storage & Handling
  • Atmospheric and pressurized storage tanks
  • Cryogenic storage systems
  • Bulk material silos and bins
  • Loading and unloading systems
  • Tank farms and transfer systems
  • Vapor recovery systems

Piping Engineering

  • Piping Layout & Design: 3D piping design using PDMS or AutoCAD Plant 3D, pipe stress analysis, and support design.
  • Material Selection: Carbon steel, stainless steel (304, 316, duplex), exotic alloys (Hastelloy, Inconel, titanium), and non-metallic piping (PTFE, PVDF, FRP).
  • Piping Specifications: Line class development, valve selection, fitting specifications, and gasket/bolt specifications.
  • Specialty Systems: Jacketed piping, heat-traced piping, insulated piping, and double-containment piping for hazardous materials.

Instrumentation & Control Systems

Advanced automation and control systems ensure safe, efficient, and reliable plant operation:

  • Control Philosophy: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), and SCADA systems.
  • Field Instrumentation: Temperature, pressure, flow, level, analytical instrumentation (pH, conductivity, dissolved oxygen, gas analyzers).
  • Control Loops: PID control, cascade control, ratio control, and advanced process control (APC).
  • Safety Instrumented Systems (SIS): SIL-rated systems, emergency shutdown systems (ESD), fire and gas detection systems.
  • Batch Control: ISA-88 compliant batch automation for pharmaceutical and fine chemical production.
  • Data Acquisition: Historians, real-time databases, and integration with enterprise systems (ERP, MES).

Electrical Systems for Chemical Plants

  • Power distribution and motor control centers (MCC)
  • Variable frequency drives (VFD) for process control
  • Hazardous area electrical design (Class I, Div 1/2, Zone 0/1/2)
  • Explosion-proof and intrinsically safe equipment
  • Grounding and lightning protection
  • Emergency power systems and UPS
  • Lighting design (normal, emergency, hazardous area)

Modular Skid Fabrication

Colock specializes in modular process skids that reduce on-site installation time and improve quality control:

  • Pre-fabricated Process Skids: Complete process systems mounted on structural frames, fully piped, wired, and tested in our fabrication facility.
  • Skid Types: Chemical dosing skids, mixing and blending skids, filtration skids, heat transfer skids, pump packages, and analyzer shelters.
  • Factory Testing: Hydrostatic testing, leak testing, functional testing, and FAT (Factory Acceptance Testing) with client witnessing.
  • Plug-and-Play Design: Minimized field connections for faster startup and reduced installation risk.

Construction & Installation

Our experienced construction teams ensure safe, high-quality installation of chemical processing equipment:

  • Civil works: foundations, paving, underground utilities, and containment systems
  • Steel structure erection for process buildings and pipe racks
  • Equipment rigging and setting
  • Piping installation, welding, and pressure testing
  • Insulation and heat tracing installation
  • Electrical and instrumentation installation
  • HVAC and utility systems installation

Commissioning, Startup & Training

Colock’s commissioning services ensure your plant operates safely and efficiently from day one:

  • Pre-commissioning: Mechanical completion checks, flushing and cleaning, leak testing, and loop checks.
  • Commissioning: Equipment functional testing, control system testing, safety system testing, and utility systems startup.
  • Performance Testing: Process parameter verification, yield testing, and capacity demonstration.
  • Operator Training: Process operation training, emergency response training, maintenance training, and standard operating procedure (SOP) development.
  • Documentation Handover: As-built drawings, O&M manuals, spare parts lists, and validation documentation.

Chemical Plant EPC: Our Comprehensive Approach
From your initial process concept or lab results, Colock takes you through every step to a fully operational, safe, and profitable chemical manufacturing facility. We combine process expertise with engineering excellence and construction discipline to deliver plants that meet production targets, quality specifications, and environmental requirements—on time and on budget.