Wastewater treatment is an amazing and interesting set of steps of a procedure of conversion of wastewater into pure drinkable water that could be put to use for everyone. It is a great way to recycle water with lesser environmental problems and issues

Pars Advanced Treatment

EPC Contractor Of Environmental Project

welcome to the world of clean water

About Us

Pars Advanced Treatment Engineering Company (PATEC) involves in environmental industry as a consultant and contractor of environmental projects for over five recent years in Iran. PATEC Systems Inc. is a privately held company founded in 2003 whose headquarters is located in Tehran, Iran.

PATEC has been preserving environment by providing high-technology environmental systems and plants for the purpose of treating municipal and various industrial wastewaters. The company is capable of assisting its clients in minimizing the environmental impact of their business operations worldwide. Industrial, municipal, and aquaculture markets seek PATEC’s specialized products for treatment of wastewater prior to discharge to sewer systems, rivers, lakes. Flourishing through experiences, PATEC has been developing a variety of products, processes, and services for different demands all around the world. Superior results have been obtained by PATEC’s aids in the fields of improving plant performance, reducing operating costs, and extending the life of existing wastewater equipment. PATEC staff closely collaborates with customers, providing support through expertised technical assistance and authorized parts replacement as well as advising upgraded processes. Hence, PATEC is dedicated to providing products and services that will ensure reliability and enhance the performance of wastewater systems throughout their lifetimes.

biological processes


Chemical processes


physical processes



Our Mission

we are an integrated systems provider of environmental technology for wastewater

treatment. focused on creating long-term customer satisfaction through proven performance


our vision

our technology and expertise will be sought after throughout the world.based on our

     reputation for reliability execution, proven performance and customer support


our values

Customers: We listen to our customers.

    Honesty: We say what we mean and we do what we say.

    Quality: We get it right the first time; quality matters.

    Learning: We celebrate our successes and learn from our mistakes.

    Teamwork: We put the team ahead of ourselves.

    Leadership: We ask a lot of ourselves and a lot of each other.

    Respect: We respect and recognize each other's contributions.



Pars Advanced Treatment Engineering Company(PATEC ) provides a complete menu of services, including:

Wastewater treatment plant design and operation

Water treatment plant design and operation

wastewater network design and operation

Water network design and operation

Biogas plant design and construction