
About Us.
PT Ecosystems International (PT ESI) was established at Jakarta on 21st November 2006. We are an industrial effluent treatment systems integrator specializing in electrocoagulation (EC), a unique waste water treatment profile.
PT ESI has capabilities in designing complete waste water treatment solutions by combining various effluent treatment systems such as the electro-coagulation, biological, chemical processes and membrane filtration, offering its customers a wide and comprehensive range of solutions, tailored to suit their various needs – ranging from basic effluent treatment for discharge to effluent recycling for water reuse.
The Company is experienced in handling the design, engineering, procurement, construction and operation of new Effluent Treatment Plants (“ETP”) and possesses expertise in retrofitting existing ETP to increase the flow rate and treatment capability without any major infrastructure increase
PT ESI is also a premier waste water treatment service company specializing in handling waste water generated from Exploration (Drilling) and Produced Water. Customers in Indonesia include major Oil & Gas companies such as Pertamina, Exxon, Chevron, Petro-China and Medco.
Operations in Indonesia are provided by both mobile and fixed units. At drill sites where waste-water recycling is required, PT ESI supplement these treatment units with skid mounted mobile Reverse Osmosis systems. The technologies and solutions employed by PT ESI are developed in-house and examples of these are its proprietary Trident™ Electro Contaminant Removal (“ECR”) system, the Stage Contaminant Removal (“SCR”) process and Mobile On-Site Waste-Water Treatment (“OWT”) units

Vision & Mission
What We Believe?
Our Vision is to become the leading international company providing waste water treatment in Indonesia.
Our Mission is to be the first choice for various industrial needs, providing customer satisfaction through our professional team. Our focus is on regular improvements in operational efficiency, strategic alignment of business activities and distribution network development. In this case, we ensure the success and continuous development of the company.
PT Ecosystems International is a subsidiary of a Singaporean company, namely HydroFlo Pte. Ltd. Our main specialty is processing industrial liquid waste by integrating various technologies and systems, including our own patented technology, namely the Electro Contaminant Removal (ECR) system.

Our Journey.

Thought Leader for EC Application
Providing the top product quality and partnership level of customer services all over the world including Indonesia.
What They Say About Us?
Trident-Flo and PT Ecosystems International have provided us with water treatment systems that require the highest standards of design to be able to work in the harshest of weather environment of Kazakhstan.
I have been associated with them during my pass engagement under the World Bank program on the hazardous waste water treatment in Indonesia, followed by series of public private clean water and sanitation program.
Mr Theron Madhavan, the CEO of the company has been my longstanding friend for over 15 years now. Our acquaintances have been productive and realizing numerous public and private water and waste water sector.
I have nothing to say, but praise and admiration for the professional and competent solutions the company will provide, when it comes to water and sanitation
…