Innovative Environmental Technologies Pvt. Ltd.

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Technology for applications across oil & gas, renewable energy, & STP's.

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Detailed Engineering & execution (EPC) tested by government PSA's & industry leaders

Discover about IETL

Innovative Environmental Technologies Pvt. Ltd. (IETL) is a Pune-based Technology, FEED, PMC, EPC and engineering solutions provider shaping the future of clean energy and advanced industrial systems. With over 28 years of engineering excellence, IETL has delivered transformational projects across Oil & Gas, Refineries, Renewable Energy, Biogas-to-BioCNG, Pipeline & Water Transmission, and Sewage Treatment Plants.

Our proprietary BioSkrubber™ technology has been deployed in more than 50 global installations, enabling high-efficiency H₂S removal and sustainable sulphur recovery. From complex FEED studies to turnkey EPC execution and multi-year O&M, we deliver high-performance engineering that is safe, reliable and future-ready.

Our Industries

The automotive industry is the technological trendsetter among manufacturing industries.

Infratech/ Lamar Holdings

Oil & Gas

BioSkrubber™ – Biological H₂S Removal & Sulphur Recovery

Renewable Energy & BioCNG

Pipeline & Water Transmission (Lamar Holding, Saudi Arabia)

H2S Removal

R&D Pilot Plants

Sewage Treatment Plants (STP)

Refinery & Petrochemical

Oxygen Generation (PSA)

Biogas to BioCNG & Biopower

CO₂ Removal Systems

Why Choose Us

IETL was established in 1998 with a vision of becoming a significant contributor towards production of clean gas and Green Energy by promoting an integrated and sustainable approach to all its products. 28 years and many successful projects later, IETL is the leading provider in India for hydrogen sulphide gas cleaning systems under the leadership of its proficient founder, Mr. Ashish Nawade.