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logoMumbai, Maharashtra(Verified Supplier)
Products & Services

About Envirex India Private Limited

"Envirex India Pvt. Ltd” s lone objective has been of devising systems in handling, treating and scientifically disposing off all types of solid, liquid and gaseous wastes. We have traveled a long way in designing, supplying and commissioning of pollution control systems, bio methanation plants, biogas power plant and accessories and has developed an unparalleled expertise in this field.

In pursuit of our mission, we strive hard to evolve innovative and customized solutions to control pollutants emanating from operations in industries like chemical, metallurgical, pharmaceutical, dye stuff, plating plants and a host of such other plants. We are well equipped to offer complete turnkey solutions starting from conception, design, supply, installation and commissioning of pollution control systems after careful analysis of customer requirements. For very specialized emission control systems, we derive technical expertise from our Italian collaborator M/s. Ecochimica S.R.L. Their rich international experience of over 4 decades is drawn for the benefit of our Indian industries in having state of the art, latest technologies and most economical solutions to the problems combating pollution due to emission from process industries.


In the year 2000, we have indulged ourselves in executing an aerobic, windrow based treatment plant on a turnkey basis an aerobic, which helps in conversion of 55 tonnes per day of municipal solid waste into 100% organic compost at Vasco in Goa.


We have also designed, detail engineered, supplied, installed and commissioned the following:

  • Toxic gas scrubbing systems for several prestigious clients including Central Government Organizations
  • UV Filtration systems for Pidilite Industries and other clients


We have undertaken maintenance and operation of a 0.5 Mwe, 100% Sewage Gas to Power Project for Surat Municipal Corporation (Gujarat, India) for a period of 5 years. Moreover, we are engaged in operating and maintaining an aerobic treatment plant for Vadodara Municipal Corporation (Gujarat, India) for a period of 20 years.

Product Portfolio

Product  Portfolio

We are one of the renowned manufacturers and suppliers of a wide range of Toxic Gas Cleaning & Scrubbing System and Gas Cooling & Refrigeration System. Apart from this, we hold expertise in providing Water Treatment Solution. Our products are manufactured using high-grade raw material and latest technology under the supervision of an efficient team of professionals. These are widely used in different processing industries for discharging the harmful gases and treating industrial sewage. Following are the products offered by us:


Product Category


Toxic Gas Cleaning & Scrubbing System

  • Packed Column Scrubber

  • Venturi Scrubber System

  • H2S Scrubber System

Gas Cooling & Refrigeration System

  • Moisture Separator

  • Dehumidification System

  • Wet Cooling & Ventilation System

Water Treatment Solution

  • Skid Mounting Chemical Dosing System

  • Ultra Violet Sterilizer

  • Activated Carbon Filter

  • Multi Grade Pressure Sand Filter



Attributes of the products:

  • High Performance
  • Easy Operation
  • Low Maintenance
  • Corrosion and Abrasion Resistant
  • Durable


In addition, we also offer

  • Municipal Solid waste to Compost plants
  • Toxic Gas Scrubbing Systems
  • Flares Systems
  • Pressure Sand Systems
  • Parallel Plate Separators
  • Rake Arms


Further, we offer complete consultancy services for the following:

  • Municipal solid waste treatment
  • Bio-medical waste treatment
  • Water treatment
  • Purification sewage gas to energy projects
  • Environmental impact assessment
  • Study toxic gas scrubber system
  • Creating general awareness among communities on the adverse effects of careless waste disposal practices
  • Proper waste management to protect the environment, public health and others


We also involved in operation and maintenance on turnkey basis of the following:

  • Municipal solid waste to compost plants
  • Renewable energy generation plants using methane rich biogas extracted from sewage treatment plants and effluent treatment plants
  • Water / effluent / sewage treatment plants
  • RO plants
  • Treatment of waste water, which include generation of non-conventional energy and refusing emanating from slaughterhouses, tobacco industries, leather industries and others

Our Projects

Owing to our domain expertise, we have successfully executed andcommissioned various prestigious projects covering comprehensive array of activities under environmental management and control. Ranging from bio-gas to power, sewage gas to power plant and municipal solid water management, we have left no stone unturned in successful accomplishments of the projects by offering superior quality products and excellent services. Mentioned below is the detailed description about the projects executed:


Bio-gas to Power:

  • Gas Collection: A network of pipping with appropriate branching facilitate distribution of the sewage gas collected from the activated sludge / USAB, to a scrubber and gas holders and then in to the flare unit.
  • Gas Collection & Transportation: A Gas feed blower is used for flow of biogas through the pipelines into the scrubber systems and onward into the engine while maintaining the optimum pressure level. This facilitates in proper execution of engine operations. It also contains a blower motor, which act as an interface for controlling the blower operation by variable frequency drive.
  • Gas Scrubbing: It is the process, which helps in removing the corrosive constituents in the bio-gas before it reaches the gas engine. In order to protect all the bio-gas utilization equipment as well as critical engine gen-set from deterioration due to corrosion, which forms due to the reaction of moisture and hydrogen sulphide present in the gases. For effective chemical scrubbing, the gas is conveyed through packed bed tower where it is treated with NaOH solution. To remove H2S contaminant below the acceptable level in the bio-gas engine, the packed bed tower has PP pall rings bed & NaOH is sprayed on the bed top in counter current fashion. For the NaOH circulation a pump is used. In addition, accessories like strainer in suction line, valves, fittings, pressure gauges, flow meter and many more are provided in the liquid re-circulation system.
  • Double Membrane Gas Holder: It helps in retaining the emitted gas of the scrubber. The unit has 3 – 4 hours holding capacity with respect to engine field requirement. The gas should be then conveyed through suitable HDPE piping into the gas engine generator set. The entire arrangement enables continuous availability of biogas besides meeting the surge demands.
  • Power Generation Section: For ensuring uninterrupted renewable energy generation and its effective utilization. A 100% pure biogas based power generating system, which consists of an engine generator set with appropriate gas cleaning, holding, monitoring, and control system along with all the essential equipment.


1. Surat Municipal Corporation:0.5MWe - 1 project 1.0Mwe - 3 projects

The scope of the work includes:

  • Design, detailed engineering and consultancy
  • Supply of equipment and machinery
  • Complete supervision, including inspection, testing and erection
  • Commissioning of equipment & machinery and start-up of the plant
  • O & M of the plant for a period of 5 years


2. Jaipur Municipal Corporation: 0.5Mwe - 2 projects

The scope of the work includes:

  • Design, detailed engineering and consultancy
  • Supply of equipment and machinery
  • O&M of the plant for a period of 10 years
  • Commissioning of equipment & machinery and start-up of the plant
  • Complete supervision, including inspection, testing and erection

Our Team

We owe the credit of our progress to the team of highly qualified and industrious professionals. Our professional are highly dedicated to the objectives of our organization and strive to meet the diverse requirements of the clients. They have years of experience in the domain and are well versed with the latest technology. Our professionals comprise:


  • Engineers
  • Technocrats
  • Researchers
  • Sales and Marketing Staff
  • Skilled and Non-skilled Labor


They work in collaboration to keep up a healthy relation with each other and avoid any disruption in the daily work. Further, our professionals are provided with regular updates and frequent trainings to keep them at par with the latest technology.

About Director

Mr. Jawahar Pillay, a Metallurgical Engineer by profession has more than 40 years of rich and varied experience in highly specialized engineering industries commencing from boiler and pressure vessel manufacturing to flow control and process control instrument manufacturing and marketing. Armed with a Bachelors degree in Metallurgy along with a specialization in Quality Assurance and Control, Mr. Pillay entered the Engineering Industry in 1970. Beginning with reputed companies like ACC Vickers Babcock, Fouress Engg., Xomox India Ltd. ( A Sanmar Engineering Group Company), Mr. Pillay finally relocated himself at Mumbai in 1991 as the Vice President of Chemtrols Engg. Ltd. with complete responsibility of its independent, joint venture company located at Goa.

By virtue of being closely associated with the process and flow control instrumentation industries, Mr. Pillay was exposed to the major concerns and challenges thrown up as a sequel to the Air Quality Monitoring efforts. This, led to a closer look at the overall, country wide environmental management requirements, triggering the birth of a new and focused company “ Envirex .” in 1998, completely dedicated to environment management and up-gradation activities.

Today, Envirex in close association with its parent group company, Chemtrols Industries Limited had mustered sufficient technological capabilities to bring to India the latest, state of the art, eco-friendly technologies from the well established overseas partners to cover the entire gamut of cost effective Solid Waste and Liquid Waste Management.

To,Envirex India Private Limited

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