Wastewater Treatment Technologies for Sustainable Water Management | SFC

Wastewater Treatment
Technologies

Our wastewater treatment solutions form the biological backbone of wastewater treatment plants, designed for high-quality effluent and optimized performance.

C-Tech - Advanced Sequencing Batch Reactor (SBR)

C-Tech is SFC’s flagship sequencing batch reactor Technology(SBR) with over 80% market share in India. It is a single-step biological process combining aeration, clarification, nitrification, de-nitrification, bio-P removal with bacterial Selector & sludge digestion in one basin. Fully automated and energy-efficient, C-Tech delivers reliable performance while meeting the most stringent discharge norms — a proven, scalable solution for municipal wastewater treatment.

<10 mg/l

BOD

<50 mg/l

COD

<10 mg/l

TSS

Key technical advantages

High treatment efficiency, achieving 98% removal and treating sewage to a recyclable quality. The effluent parameters consistently meet strict quality standards.

Fully automated, single-stage biological process for reliable operation.

Superior nitrification-denitrification and phosphorus removal in a compact design.

Significant energy savings, with 30–40% lower power consumption than conventional systems.

Membrane Aerated Biofilm Reactor (MABR)

MABR utilizes gas-permeable membranes to deliver oxygen directly to biofilms enabling simultaneous nitrification and denitrification in single reactor.

Key technical advantages

Enhances efficiency

Enhances capacity

Modular drop-in design

Ideal for existing overloaded or outdated facilities.

Explore our technologies

Discover our comprehensive range of wastewater treatment technologies designed for different treatment requirements and applications.

Wastewater treatment

Wastewater recycle & reuse

Energy efficient systems

Need a custom solution? Contact our technical experts

DISCLAIMER – IMPORTANT

THESE MATERIALS ARE NOT DIRECTED AT OR INTENDED TO BE ACCESSED BY PERSONS LOCATED OUTSIDE INDIA. THESE MATERIALS ARE BEING MADE AVAILABLE ON THIS WEBSITE TO COMPLY WITH THE SECURITIES AND EXCHANGE BOARD OF INDIA (ISSUE OF CAPITAL AND DISCLOSURE REQUIREMENTS) REGULATIONS, 2018, AS AMENDED.

IMPORTANT: You must read and agree with the terms and conditions of the following disclaimer before continuing.

The following disclaimer applies to the draft red herring prospectus of SFC Environmental Technologies Limited (the “Company”) dated August 25, 2025 (the “DRHP”) filed with the Securities and Exchange Board of India (“SEBI”) and BSE Limited and National Stock Exchange of India Limited (“Stock Exchanges”) and hosted on this website in connection with the initial public offering of the equity shares of the Company (the “Offer”). You are advised to read the following notice carefully before accessing or making any other use of the DRHP. By accessing the DRHP, you agree to be bound by the following terms and conditions, including any modifications to them from time to time.

The DRHP is directed at, and is intended for distribution to, and use by, residents of India only. The information in this portion of our website, including the DRHP, is not for publication or distribution, directly or indirectly, in or into the United States. No part of the contents of the DRHP shall be copied or duplicated in any form by any means or redistributed.

The DRHP has been hosted on this website as prescribed under Regulation 26(4) of the Securities and Exchange Board of India (Issue of Capital and Disclosure Requirements) Regulations, 2018, as amended (the “SEBI ICDR Regulations”). You are reminded that documents transmitted in electronic form may be altered or changed during the process of transmission and consequently, neither the Company nor any of its affiliates accepts any liability or responsibility whatsoever in respect of alterations or changes which have taken place during the course of transmission of electronic data.

The DRHP does not constitute an offer to sell or an invitation to subscribe to the securities offered in any jurisdiction to any person to whom it is unlawful to make an offer or invitation in such jurisdiction and is not intended for distribution to, or use by, any person or entity in any jurisdiction or country where (a) distribution or use of such information would be contrary to law or regulation; or (b) the Company or any of its affiliates would by virtue of such distribution become subject to new or additional registration, licensing or other regulatory requirements. The Equity Shares have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the “U.S. Securities Act”) or any state securities laws in the United States, and unless so registered, may not be offered or sold within the United States except pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the U.S. Securities Act and applicable U.S. state securities laws. Accordingly, the Equity Shares are being offered and sold outside the United States in offshore transactions in reliance on Regulation S and applicable laws of the jurisdictions where such offers and sales are made. There will be no public offering of the Equity Shares in the United States.

Any person into whose possession the DRHP comes is required to inform himself or herself about and to observe any such restrictions. Neither the Company nor any of its affiliates is soliciting any action based on the DRHP, and it should not be construed as an offer to sell or the solicitation of an offer to buy any securities. Potential investors should not rely on the DRHP for any investment decision.

Any decision on whether to invest in the equity shares described in the DRHP may only be made after a red herring prospectus has been filed with the Registrar of Companies, Maharashtra at Mumbai and the SEBI and must be made solely on the basis of such red herring prospectus, as there may be material changes in the red herring prospectus compared to the DRHP. Invitations to subscribe to or purchase the equity shares in the Offer will be made only pursuant to the red herring prospectus if the recipient is in India or the preliminary offering memorandum for the Offer, which comprises the red herring prospectus and the preliminary international wrap for the Offer, if the recipient is outside India. No person outside India is eligible to Bid for equity shares in the Offer unless that person has received the preliminary offering memorandum for the Offer, which shall contain the selling restrictions for the Offer outside India.

Any potential investor should note that investment in equity shares involves a high degree of risk and for details relating to such risk, please see the section titled “Risk Factors” of the red herring prospectus, when available.

Neither the Company nor any of its affiliates will be responsible for any loss or damage that could result from interception and interpretation by any third parties of any information being made available to you through this website. The Company and its affiliates cannot and do not guarantee the accuracy, timeliness or completeness of the information being made available to you in the DRHP beyond the date of the DRHP. The information contained in the DRHP may not be updated since its original publication date and may not reflect the latest updates. The Company and its affiliates will not be responsible for any loss to any person or entity caused by any shortcoming, defect or inaccuracy which may have inadvertently or otherwise crept into the website. Neither the Company, any of its affiliates nor their directors, officers and employees will be liable or have any responsibility of any kind for any loss or damage that you incur in the event of any failure or disruption of this website, or resulting from the act or omission of any other party involved in making this website or the data contained therein available to you, or from any other cause relating to your access to, inability to access, or use of the website or these materials.

If you are not permitted to view the materials on this website or are in any doubt as to whether you are permitted to view these materials, please exit this webpage. To access this information, you must confirm by pressing on the button marked “I Confirm” that, at the time of access you are located and resident in India. If you cannot make this confirmation, you must press the button marked “I Do Not Confirm”.

The documentation contained in these pages is posted solely to comply with Indian legal and regulatory requirements. Making the information contained herein available in electronic format does not constitute an offer to sell, the solicitation of an offer to buy, or a recommendation to buy or sell securities of the Company in the United States or in any other jurisdiction, including without limitation, India.

DISCLAIMER – IMPORTANT

THESE MATERIALS ARE NOT DIRECTED AT OR INTENDED TO BE ACCESSED BY PERSONS LOCATED OUTSIDE INDIA. THESE MATERIALS ARE BEING MADE AVAILABLE ON THIS WEBSITE TO COMPLY WITH THE SECURITIES AND EXCHANGE BOARD OF INDIA (ISSUE OF CAPITAL AND DISCLOSURE REQUIREMENTS) REGULATIONS, 2018, AS AMENDED. IMPORTANT: You must read and agree with the terms and conditions of the following disclaimer before continuing. The following disclaimer applies to the draft red herring prospectus of SFC Environmental Technologies Limited (the “Company”) dated August 25, 2025 (the “DRHP”) filed with the Securities and Exchange Board of India (“SEBI”) and BSE Limited and National Stock Exchange of India Limited (“Stock Exchanges”) and hosted on this website in connection with the initial public offering of the equity shares of the Company (the “Offer”). You are advised to read the following notice carefully before accessing or making any other use of the DRHP. By accessing the DRHP, you agree to be bound by the following terms and conditions, including any modifications to them from time to time. The DRHP is directed at, and is intended for distribution to, and use by, residents of India only. The information in this portion of our website, including the DRHP, is not for publication or distribution, directly or indirectly, in or into the United States. No part of the contents of the DRHP shall be copied or duplicated in any form by any means or redistributed. The DRHP has been hosted on this website as prescribed under Regulation 26(4) of the Securities and Exchange Board of India (Issue of Capital and Disclosure Requirements) Regulations, 2018, as amended (the “SEBI ICDR Regulations”). You are reminded that documents transmitted in electronic form may be altered or changed during the process of transmission and consequently, neither the Company nor any of its affiliates accepts any liability or responsibility whatsoever in respect of alterations or changes which have taken place during the course of transmission of electronic data. The DRHP does not constitute an offer to sell or an invitation to subscribe to the securities offered in any jurisdiction to any person to whom it is unlawful to make an offer or invitation in such jurisdiction and is not intended for distribution to, or use by, any person or entity in any jurisdiction or country where (a) distribution or use of such information would be contrary to law or regulation; or (b) the Company or any of its affiliates would by virtue of such distribution become subject to new or additional registration, licensing or other regulatory requirements. The Equity Shares have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the “U.S. Securities Act”) or any state securities laws in the United States, and unless so registered, may not be offered or sold within the United States except pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the U.S. Securities Act and applicable U.S. state securities laws. Accordingly, the Equity Shares are being offered and sold outside the United States in offshore transactions in reliance on Regulation S and applicable laws of the jurisdictions where such offers and sales are made. There will be no public offering of the Equity Shares in the United States. Any person into whose possession the DRHP comes is required to inform himself or herself about and to observe any such restrictions. Neither the Company nor any of its affiliates is soliciting any action based on the DRHP, and it should not be construed as an offer to sell or the solicitation of an offer to buy any securities. Potential investors should not rely on the DRHP for any investment decision. Any decision on whether to invest in the equity shares described in the DRHP may only be made after a red herring prospectus has been filed with the Registrar of Companies, Maharashtra at Mumbai and the SEBI and must be made solely on the basis of such red herring prospectus, as there may be material changes in the red herring prospectus compared to the DRHP. Invitations to subscribe to or purchase the equity shares in the Offer will be made only pursuant to the red herring prospectus if the recipient is in India or the preliminary offering memorandum for the Offer, which comprises the red herring prospectus and the preliminary international wrap for the Offer, if the recipient is outside India. No person outside India is eligible to Bid for equity shares in the Offer unless that person has received the preliminary offering memorandum for the Offer, which shall contain the selling restrictions for the Offer outside India. Any potential investor should note that investment in equity shares involves a high degree of risk and for details relating to such risk, please see the section titled “Risk Factors” of the red herring prospectus, when available. Neither the Company nor any of its affiliates will be responsible for any loss or damage that could result from interception and interpretation by any third parties of any information being made available to you through this website. The Company and its affiliates cannot and do not guarantee the accuracy, timeliness or completeness of the information being made available to you in the DRHP beyond the date of the DRHP. The information contained in the DRHP may not be updated since its original publication date and may not reflect the latest updates. The Company and its affiliates will not be responsible for any loss to any person or entity caused by any shortcoming, defect or inaccuracy which may have inadvertently or otherwise crept into the website. Neither the Company, any of its affiliates nor their directors, officers and employees will be liable or have any responsibility of any kind for any loss or damage that you incur in the event of any failure or disruption of this website, or resulting from the act or omission of any other party involved in making this website or the data contained therein available to you, or from any other cause relating to your access to, inability to access, or use of the website or these materials. If you are not permitted to view the materials on this website or are in any doubt as to whether you are permitted to view these materials, please exit this webpage. To access this information, you must confirm by pressing on the button marked “I Confirm” that, at the time of access you are located and resident in India. If you cannot make this confirmation, you must press the button marked “I Do Not Confirm”. The documentation contained in these pages is posted solely to comply with Indian legal and regulatory requirements. Making the information contained herein available in electronic format does not constitute an offer to sell, the solicitation of an offer to buy, or a recommendation to buy or sell securities of the Company in the United States or in any other jurisdiction, including without limitation, India.