01
Chemical Cleaning
Removes fouling, deposits and corrosion to restore performance and maintain asset integrity.
Applied to Heat exchangers, boilers, pipelines, vessels and tanks
Read more: Chemical CleaningIndustrial Cleaning Solutions for Southeast Asia
Safeguarding the Assets That Power Industry
CHC Chemical delivers professional cleaning solutions for refineries, petrochemical complexes and power generation facilities, with an unwavering commitment to safety, efficiency and environmental responsibility.
About CHC Chemical
Your Trusted Partner in Cleaning Solutions
At CHC Chemical, we specialize in delivering professional cleaning solutions tailored to industrial and commercial needs. We support refineries, petrochemical complexes and power generation facilities with decontamination, tank cleaning, oil flushing, high pressure water jetting and chemical cleaning, all delivered with a firm commitment to safety, efficiency and environmental responsibility.
Established in 2019, the company is led by co-founders and key specialists with more than 20 years of experience in chemical and mechanical cleaning technology. By combining proven methods with advanced equipment, we help our clients achieve optimal performance, minimal downtime and the highest standards of cleanliness across their operations.
More About CHC Chemical- Established
- 2019
- Leadership experience
- More than 20 years
- Regional Presence
- ThailandVietnamPhilippines
Asset Integrity
Restoring Equipment to Service Condition
Fouling, deposits and corrosion gradually erode heat transfer, throughput and equipment life. A controlled cleaning program returns internal surfaces to service condition, so each unit can go back online with confidence.
Our Services
Specialized Services for Critical Equipment
Chemical or non-chemical, each of our services is designed to address a specific industrial cleaning challenge, with safety, efficiency and precision as the priority.
02
Decontamination & Degassing
Removes hazardous substances such as H2S, benzene, mercury and hydrocarbons ahead of inspection and maintenance.
Applied to Process vessels, reactors, columns, exchangers and piping
Read more: Decontamination & Degassing
03
Tank Cleaning
Thorough cleaning, sludge removal and gas-free certification for tanks of all sizes.
Applied to Crude oil, water, chemical and wastewater tanks
Read more: Tank Cleaning
04
High Pressure Water Jetting
Engineered, chemical-free cleaning that removes stubborn deposits without damaging the base material.
Applied to Heat exchangers, pipelines, tanks and industrial surfaces
Read more: High Pressure Water Jetting
05
Dry Ice Cleaning
Non-abrasive cleaning that uses no chemicals and leaves no secondary waste.
Applied to Boilers, HRSG tubes and process equipment
Read more: Dry Ice Cleaning
06
Oil Flushing
Removes harmful contaminants to protect machinery performance and extend service life.
Applied to Rotating equipment, hydraulic systems and hot oil systems
Read more: Oil Flushing
07
Pigging & Pig Train
Efficient internal cleaning of long and complex pipelines with minimal waste and downtime.
Applied to Process and transfer pipelines
Read more: Pigging & Pig Train
08
Hot Tapping & Line Stop
New connections and safe isolation of live systems without interrupting operations.
Applied to Pipelines, tanks and process systems in service
Read more: Hot Tapping & Line Stop
09
Other Services
Temporary tank installation that maintains operational continuity during maintenance, upgrades or emergencies.
Applied to Temporary fluid storage for plant systems
Read more: Other ServicesWhy Clients Choose CHC Chemical
We take pride in delivering cleaning solutions with precision, safety and efficiency. Four principles guide every engagement.
Safety First
We adhere to strict safety protocols and environmental regulations on every assignment. Prevention systems and emergency response procedures are in place so that each project is executed with minimal risk to people, assets and the surrounding community.
Efficiency & Reliability
Our work is planned to minimize downtime and keep your operations running with minimal disruption. We commit to agreed timelines and budgets so that each project is completed as planned.
Customized Solutions
Every facility and every cleaning requirement is unique. We design each scope around your equipment, process conditions and specifications to deliver optimal results.
Expertise & Experience
Our leadership brings more than 20 years of experience in chemical and mechanical cleaning technology. That depth of expertise informs every method we select and every procedure we execute.
Industries We Serve
Our services are built around the assets that matter most to process and energy operators.
Refining & Petrochemical
Refineries and petrochemical complexes depend on the integrity of their exchangers, columns, reactors and storage tanks. We support planned turnarounds and maintenance shutdowns with decontamination, chemical cleaning and tank cleaning delivered to owner specifications.
Read more: Refining & PetrochemicalPower Generation
Boilers and heat recovery steam generators require clean heat transfer surfaces to operate efficiently. We provide chemical cleaning, passivation and dry ice cleaning that help power producers protect efficiency and extend equipment life.
Read more: Power GenerationTrack Record
Project References
Selected references from refining, petrochemical, chemical and industrial facilities in Thailand, Vietnam and the Philippines, delivered for asset owners and main contractors with exacting standards.
BDEU Cleaning and Passivation
- Client
- Ngan Hai Chemical & Technical Services JSC
- Main contractor
- TechnipFMC and SK Engineering & Construction (SKEC)
- Year
- 2023
- Unit
- Butadiene plant
Read Case StudyRepresentative site photo, not confirmed as this project.
OLE22 Mini SD Decontamination
- Client
- GC Maintenance and Engineering Co., Ltd. (GCME)
- Asset owner
- PTT Global Chemical PCL (GC3)
- Year
- 2024
- Unit
- Quench water system
Read Case StudyRepresentative site photo, not confirmed as this project.
T-983 Crude Oil Recovery Management
- Client
- Bangchak
- Year
- 2024
Read Case StudyRepresentative site photo, not confirmed as this project.
BDEU Cleaning and Passivation
- Client
- JG Summit Petrochemical Complex
- Main contractor
- CTCI Group
- Partner
- Nalco Water and Ecolab Philippines
- Year
- 2020
- Unit
- Butadiene plant
Read Case StudyRepresentative site photo, not confirmed as this project.
OLE1 C-1201 and C-1202 Decontamination and Chemical Cleaning
- Client
- GC Maintenance and Engineering Co., Ltd. (GCME)
- Asset owner
- PTT Global Chemical PCL (GC2)
- Year
- 2024
- Unit
- Caustic system
Read Case StudyRepresentative site photo, not confirmed as this project.
ROCSD2023 Decontamination
- Client
- Nalco Industrial Services (Thailand)
- Client
- KC Machine Service Co., Ltd.
- Asset owner
- Rayong Olefins Company Limited
- Year
- 2023
- Unit
- Quench oil tower, Caustic Tower, Depropanizer Column, Debutanizer Column
Read Case StudyRepresentative site photo, not confirmed as this project.
Boiler Cleaning and Passivation
- Client
- PTT Global Chemical PCL (GC6)
- Main contractor
- GC Maintenance and Engineering Co., Ltd. (GCME)
- Year
- 2019
- Unit
- Boiler
Read Case StudyRepresentative site photo, not confirmed as this project.
Crude Tank Cleaning T-5204
- Client
- PTTGC (GC6)
- Year
- 2022
Read Case StudyRepresentative site photo, not confirmed as this project.
Complete Reference List
As published on the previous company website. Client logos are shown only after approval.
| Year | Client | Project |
|---|---|---|
| Chemical Cleaning | ||
| 2023 | Ngan Hai Chemical & Technical Services JSCMain contractor: TechnipFMC and SK Engineering & Construction (SKEC) | BDEU Cleaning and Passivation |
| 2022 | Bangkok Synthetics Co., Ltd. (BST)Main contractor: Kurita GK Chemical Co., Ltd. | Heat Exchanger Passivation |
| 2022 | AGC Vinythai Public Company Limited | P-143-1 Chemical Cleaning and Passivation |
| 2020 | JG Summit Petrochemical ComplexMain contractor: CTCI GroupPartner: Nalco Water and Ecolab Philippines | BDEU Cleaning and Passivation |
| 2019 | Interthai Industrial Systems Ltd (Zichem) | Heat Exchanger Cleaning and Passivation |
| 2019 | PTT Global Chemical PCL (GC6)Main contractor: GC Maintenance and Engineering Co., Ltd. (GCME) | Boiler Cleaning and Passivation |
| 2019 | Mitr Phol Sugar Corporation Ltd. (Chaiyaphum)Main contractor: CR Asia | Boiler Cleaning and Passivation |
| 2019 | Sankyo (Thailand) Company Limited | HYD Pipe Chemical Cleaning |
| Decontamination & Degassing | ||
| 2024 | GC Maintenance and Engineering Co., Ltd. (GCME)Asset owner: PTT Global Chemical PCL (GC3) | OLE22 Mini SD Decontamination |
| 2024 | GC Maintenance and Engineering Co., Ltd. (GCME)Asset owner: PTT Global Chemical PCL (GC2) | OLE1 C-1201 and C-1202 Decontamination and Chemical Cleaning |
| 2024 | KC Machine Service Co., Ltd.Asset owner: Bangkok Synthetics Co., Ltd. (BST) | V-83001 Flare Drum |
| 2023 | KC Machine Service Co., Ltd.Asset owner: Bangkok Synthetics Co., Ltd. (BST) | E-1302 BD Reboiler Decontamination |
| 2023 | PTT Global Chemical PCL (GC2) | S16B Decontamination and Chemical Cleaning |
| 2023 | Nalco Industrial Services (Thailand), KC Machine Service Co., Ltd.Asset owner: Rayong Olefins Company Limited | ROCSD2023 Decontamination |
| 2022 | PTT Global Chemical PCL (GC6) | TA2022 REF (GC6) S24B |
| Tank Cleaning | ||
| 2024 | Bangchak | T-983 Crude Oil Recovery Management |
| 2024 | Bangchak | 4T-1801 Sour Water Tank Cleaning |
| 2023 | Bangchak | P-901H Crude Tank Cleaning |
| 2023 | Bangchak | BSGFT-988 Crude Tank Cleaning |
| 2022 | PTTGC (GC6) | Crude Tank Cleaning T-5204 |
| 2019 | PTTOR | Crude Oil Transfer, Tank T-78 |
| High Pressure Water Jetting | ||
| 2024 | Ninh Binh Fertilizer (Vietnam) | Heat Exchanger Cleaning TA2024 |
| 2024 | Bai Bang Paper (Vietnam) | Air Dryer and Heat Exchanger TA2024 |
| Oil Flushing | ||
| 2022 | Ecolab / Samsung | Hot Oil System at LSP (Vietnam) |
| 2019 | GTS / POSCO | Oil Flushing |
| Other Services | ||
| 2024 | GC11 | Temporary Tank Installation Supporting the Improvement of X-5605 and X-5609 |
Safety, Quality & Environment
Governance That Protects Every Operation
Our Quality and Environmental Policy, announced and effective from 25 July 2025, sets out how CHC Chemical manages quality, safety and environmental responsibility with the participation of all personnel. The policy is communicated across the organization and reviewed annually, or whenever significant change occurs.
Read Our Policy
Quality and Environmental PolicyEffective 25 July 2025
Our commitments
- Meet customer requirements and specifications, applicable laws and regulations, and international standards.
- Maintain a sound working environment, support surrounding communities and continuously improve our quality management system.
- Maintain prevention systems and emergency response procedures, and manage risks that may affect work quality.
- Engage employees at every level in reducing energy consumption, water usage and waste.
- Uphold cleanliness, orderliness and standardization to raise efficiency and service quality.
Regional Presence
Serving Southeast Asia
Headquartered in Map Ta Phut, Rayong, CHC Chemical serves clients across the region together with partner companies in Vietnam and the Philippines.
ThailandHead Office
CHC Chemical Co., Ltd.
17/99 Soi Lang Wat Road, Map Ta Phut, Mueang Rayong, Rayong, Thailand
Phone 033-650-878
Email info@chcchemical.com
VietnamCHC Group Company
CHC-Vietchem High-Tech Cleaning Service JSC
No. 9, Alley 249, Thach Ban Road, Thach Ban Ward, Long Bien District, Ha Noi, Vietnam
PhilippinesPartner
Petroman
144 Kapitan Tiago St., Rizal Village, Cupang, Muntinlupa City, Philippines
CHC Group
CHC Group and Partners
Together with CHC Group companies and specialist partners, CHC Chemical can extend its scope to complementary services, supporting clients who require an integrated approach to turnarounds and maintenance programs.
Partner capabilities
- High pressure water jet cleaning
- Catalyst loading and unloading
- Hot tap and line stop specialist services
- Anti-corrosion technology by ATHITS Development
Request a Quotation
Plan Your Next Turnaround With Confidence
Share your equipment, scope and schedule, and our specialists will prepare a proposal aligned with your technical and commercial requirements.