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Services Offered
If you need consultants with experience in plant operations, plant design, construction, process improvement, hazard and safety analysis as well as project management, then COSTELLO would be pleased to put its expertise to work for you.

Services Offered

Costello Chemical Engineering services offered

Chemical Engineering

Chemical Engineering services offered include process design (front-end engineering), trouble-shooting and optimization, feasibility studies, computer simulations, detail design, construction management and startup. We provide scale-up from bench scale to pilot plant to full scale plant.


Environmental Engineering

Environmental Engineering services include the design of air pollution control equipment and wastewater treatment systems. Design of process systems for treating water and vapors from contaminated aquifers.


Regulatory Compliance Support

Regulatory Compliance Support includes preparation of air, water and hazardous waste permits and related support activities.


Hazard and Process Safety

Hazard and Process Safety services include the investigation of explosions in the Chemical Process Industries and the implementation of design changes, process safety studies and HAZOP reviews.


Engineering & Design Staffing

Engineering & Design Staffing Costello provides fully qualified Chemical Process Engineers, Project Managers (ChE or ME), and Chemical Process/Process Automation Engineers to the chemical, petrochemical, and pharmaceutical industries on both a part-time and full-time basis. These engineers are available for short term and long term assignments.



Bulk Industrial Chemicals

  • Chlorine / Caustic (Cl2 / NaOH)

  • Sulfur

  • Sulfuric Acid (H2SO4)

  • Sodium Bicarbonate (Na2HCO3)

  • Titanium Tetrachloride (TiCl4)

  • Titanium Dioxide (TiO2)

  • Hydrogen Sulfide / Sulfur (H2S / S)

  • Aqueous Ammonia (NH4OH)

  • Anhydrous Ammonia (NH3)

  • Phosphoric Acid (H3PO4)

Specialty Chemicals

  • Vanadium Oxytrichloride (VOCl3)

  • Vanadium Tetrachloride (VCl4)

  • Antimony Trichloride (SbCl3)

  • Titanium Trichloride-Aluminum Trichloride Complex (TiCl3)* 3AlCl3))

  • Ethyl Silicate and Polymers of Ethyl Silicate (Si(OC2H5)4)

  • Dichloro Benzyl Chloride (C6H3Cl2CH2CL)

  • Hydrogen Peroxide (High Purity 90% H2O2)

  • Sulfur Chlorides

  • Lubricating Oil Additives ( Sulfonates Used As Detergent Additives)

Pharmaceutical Intermediates

  • Thiophene-2-Acetyl Acid (For semisynthetic Penicillin Production)

  • Thiophene-2-Acetyl Chloride (For semisynthetic Penicillin Production)

  • Benzyl Chloride (C6H5CH2CL)

  • Benzyl Alcohol (C6H5CH2OH)

Plastics and Resins

  • Unsaturated Polyester Resins

  • Phenolic Resins

  • Halar (Ethylene-Chlorotrifluoro Ethylene Co-Polymer) 

  • Polyethylene

Agricultural Chemicals

  • Captan

  • Folpet

  • Difolatan

  • Orthene


  • Ammonium Nitrate

  • Diammonium Phosphate

Sour Gas Processing

  • Amine Units for the Removal of Carbon Dioxide and Hydrogen Sulfide

  • Sulfur Recovery Plants

  • Sour Water Strippers


  • 1,2-Dichloroethane

  • Vinyl Chloride Monomer

  • Styrene

  • Ethylene

  • Benzene

  • Cumene

  • Poly-Alpha-Olefins

  • Normal-Alpha-Olefins

Petroleum Refining

  • Crude and Vacuum Distillation

  • Hydrotreating

  • Reforming

  • Coking

  • Hydrogen Plant

  • Selexol Process for removing Carbon Dioxide

  • Fluid Catalytic Cracking Unit (FCCU)

  • Lo-Cat Sulfur Recovery Process

  • Selexol Sulfur Recovery Process

  • AquaClaus Sulfur Recovery Process

  • Pipco Sulfur Recovery Process

  • Sulfamol Process for the removal of Hydrogen Sulfide and Carbon Dioxide

  • Beavon Stretford Tail Gas Unit

  • Merox Process


Recent Publications by COSTELLO

Please call for further information

R.C. Costello & Assoc., Inc.
1611 S. Pacific Coast Highway, Suite 302
Redondo Beach, CA 90277
Tel: (310) 792-5870, Fax: (310) 792-5877
E-MAIL: rcca[at]