Chemical Cleaning

Evergreen is an industry leader in the chemical cleaning arena and has the proven technical and engineering expertise to solve the most complex chemical challenges. With an emphasis on project customization through customer consultation, our team applies our vast experience to develop a tailored execution plan. Evergreen’s project managers will consider all mission-critical factors such as system metallurgy, flow rates, degree of fouling and operations parameters. Using a wide range of selective chemistry, including alkalis, acids, inhibitors, wetting agents, sequestrates, and organic solvents, we identify the optimal chemical formulation to solve the customer’s needs. Evergreen has the experience, technology, and specialized equipment to increase cleanliness levels, while lowering time and cost on any project. In addition, through our robust offering of complementary services, we are uniquely positioned to provide integrated solutions with other relevant activities, such as water treatment and waste water processing.

Representative Experience:

  • Chemical Cleaning Circulation and Degas

    • Rose

    • FCCU

    • Coker

    • Gas Con

    • SRU Unit

    • Crude Unit

    • Vacuum Unit

    • Desalters

    • Hydrotreater – GOHT/Unibon

  • Acid Cleaning

    • HF Alky Units

    • Online Chemical Injections

    • Utility Boilers

  • Degassing – Vapor Phase

    • Sulfolane

    • ISOM

    • SATS Gas

    • PAREX

    • ORTHO

    • Flare Headers and Systems

  • Pre-commissioning

    • Amine Flush – High Volume Circulation

    • Steam Blow

    • Acid Clean Compressors – Hydrogen Unit

Turn Key Solutions

  • Project Design and Engineering

    • Evaluate cleaning requirements and scope

    • Design circulation parameters

    • Review metallurgical, solvent, and scale compatibility

    • Procedure development

    • Develop material lists, piping drawings, temporary cleaning systems

    • Prepare timelines, acceptance criteria

  • Match Best Available Technology

    • Vapor Phase/Circulation/Combination

  • Project Management, Execution, and Reporting

    • Solvent testing and analysis

    • Procedural execution, supervision of Crews

    • Written documentation, cost tracking

Featured Project

Midstream - Clean up Through Turnkey Solutions

Hydroblasting & Chemical Cleaning | Completion Date: April 2015. Read More

Let Evergreen handle all your industrial service needs. Get in touch with us today!

Contact Us


Corporate Headquarters
704-C Old Underwood Rd.
La Porte, Texas 77571
Phone: 281.478.5800
Toll-Free: 1.877.267.2840
Fax: 281.478.5004

7888 Beauxart Garden Rd.
Nederland, TX 77627
Phone: 409.727.2900

Corpus Christi
421A Junior Beck Drive
Corpus Christi, TX 78405
Phone: 361.452.2331

La Porte
704-C Old Underwood Rd.
La Porte, Texas 77571
Phone: 281.542.1052
Fax: 281.542.9870

La Porte 
1434 Sens Rd. 
LaPorte, TX 77571 
Phone: 281.471.0107 
Fax: 281.471.01622

1004 Pine Street
Monroe, LA 71201
Phone: 318.324.9444

Texas City
3331 FM 1765
Texas City, TX 77590
Phone: 409.945.6700

Lake Charles
214 Walcot Rd.
Westlake, LA 70669
Phone: 337.882.6588

El Dorado
765 Del Tin Highway
El Dorado, AR 71730
Phone: 870.863.8744

West Coast Locations

Northern California
3915 Teal Ct.
Benicia, CA 94510
Phone: 707.751.1710
Fax: 707.751.1711

Southern California
2525 Cherry Hill Ave. 
​Suite 105
Signal Hill, CA 90755 
Phone: 562.436.2999 
Fax: 562.495.1039