Iron and Steel Industry

Comprehensive and innovative solutions for iron and steel industry

Steel production relies on vast amounts of water for cooling and gas scrubbing in processes like blast furnaces, converters, and strip mills. Modern steel plants have reduced freshwater usage through recycling and process optimization, yet water quality and wastewater regulations remain rigorous.

Kurita delivers specialized water treatment solutions tailored to the steel industry, addressing common issues such as corrosion, scaling, biofouling, and nozzle clogging. Enhance efficiency and comply with standards using our proven expertise.

Steel mill

Steel Plants Process Flow and Solutions

Raw Material Transport & Yard

Our Dust Control product line provides a range of dust control, freeze prevention, and bulk material handling solutions aimed at meeting environmental regulations, ensuring employee safety, and optimizing bulk material throughput. Our extensive product lineup features foaming agents, pile sealants, handling improvers and road dust treatments. Our FFE units ensure the needed foam applications in dust control applications.

Sinter Plant and Burden Preparation

Optimization of the sintering process can be managed with proper and efficient chemical treatment.

Dust Control product line and the FFE units provide the state of the art dust control, anticlogging and handling programms.

Coke Oven Plant

Kurita provides a comprehensive portfolio for Coke Oven plants, addressing water and process treatment needs across Oven, Gas and Water Treatment Plant operations. Our portfolio includes solutions for reverse osmosis, boiler and cooling systems to emulsion breakers for tar separation, and sealants for coke oven doors and caps.

Direct Reduction & Blast Furnace

Kurita delivers effective solutions for managing essential operational components, including process gas scrubbers, cooling gas scrubbers, clarifiers, and open- and closed cooling systems. By combining our comprehensive chemistry and service portfolio with innovative technologies, we ensure optimal performance for DRI plant water circuits, bringing significant value to our customers.

BOF and secondary Metallurgy
  • Cetamine® and Zeta Ace® technologies ensure smooth operations with corrosion prevention and antiscalant benefits.
  • Our membrane technologies provide local support to enhance system performance and include a variety of treatment solutions, such as chemicals, equipment, and services.
Electric Arc Furnace
  • Cetamine® and Zeta Ace® technologies ensure smooth operations with corrosion prevention and antiscalant benefits.
  • Our membrane technologies provide local support to enhance system performance and include a variety of treatment solutions, such as chemicals, equipment, and services.
Continuous Casting
  • Cetamine® Technology provides excellent protection against corrosion and scaling in boiler and hot water systems.
  • Zeta Ace® polymers effectively reduce suspended solids, ensuring optimal filter and clarifier operation.
Hot and Cold Rolling
  • Cetamine® and Kuriflock® technologies ensure smooth operations with corrosion prevention and antiscalant benefits.
  • Dilurit® BC-S is a cutting-edge biocide designed for cooling water systems with high oil or suspended solids. It outperforms traditional biocides like chlorine dioxide, providing superior results in challenging conditions.
Finishing Lines
  • Cetamine® Technology provides excellent protection against corrosion and scaling in boiler and hot water systems.
  • Dilurit® BC-S is a cutting-edge biocide designed for cooling water systems with high oil or suspended solids. It outperforms traditional biocides like chlorine dioxide, providing superior results in challenging conditions.
Water pre-treatment:
  • Zeta Ace® polymers effectively reduce suspended solids, ensuring optimal filter and clarifier operation.
  • S.sensing® CS technology uses laser-based equipment to control product dosage in industrial wastewater treatment. It allows precise dosage control at the sedimentation basin inlet and therefore savings in chemicals and reduction of TCO
  • Kurita's membrane technologies enhance system performance and include a variety of treatment solutions, such as chemicals, equipment, and services.
  • RoClean™ cleaners to improve filter performance.
Cooling and Boiler Water Treatment:
  • Zeta Ace® polymers effectively reduce suspended solids, ensuring optimal filter and clarifier operation.
  • Highly concentrated cooling water inhibitors for dispersing, stabilization, and corrosion inhibition in the our cooling water product lines, ensuring safe operation of cooling water systems.
  • Dilurit® BC-S is an advanced biocide designed for cooling water systems with high oil or suspended solids. It outperforms traditional biocides like chlorine dioxide, ensuring optimal results in tough conditions.
  • Cetamine® Technology provides excellent protection against corrosion in closed cooling water and boiler systems.
Wastewater Treatment:
  • Zeta Ace® polymers reduce suspended solids for better filter and clarifier operation.
  • S.sensing® CS technology uses laser-based equipment for precise product dosage in wastewater treatment, optimizing chemical use and cutting total costs.
  • Kurita offers membrane system local support with Avista™ Membrane Technologies
  • Heavy metal and anion scavengers effectively remove contaminants like Zn, Cr, Pb, Hg, Ni, fluorides, sulfates, and phosphates across a wide pH range.
  • RoClean™ cleaners improve filter performance.

Case Studies

Steel mill saves 200.000€ in closed circuit treatment with Cetamine® Technology

Innovative flushing program for closed-circuit
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Real-time KPI savings control at WPTP with S.sensing® CS

Steel mill optimised TCO with a safer and stable water pretreatment operation
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Dust Control at a Coal-Fired Power Plant

Dust suppression application of fly ash
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Key Industry Solutions

Cetamine® Technology

Cetamine® is Kurita’s patented film-forming amine technology that provides complete protection across the boiler, steam, and condensate system. By forming a hydrophobic protective layer on metal surfaces, it reduces corrosion, improves heat transfer efficiency, lowers water and energy consumption, and helps extend equipment life.

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Dust Control

Kurita provides highly efficient dust control solutions for wet spray applications. The dust control solutions contain environmentally friendly suppression agents.

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Kuriflock – Heavy Metal Precipitation

Kuriflock™ Heavy Metal Precipitation is a specialized treatment solution designed to remove dissolved heavy metals from mining wastewater and process water streams. By converting metal contaminants into easily separable particles, Kuriflock™ helps mining operations achieve discharge compliance, improve water reuse potential, and reduce environmental risks while maintaining reliable and efficient wastewater treatment performance.

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S.sensing® CS

An intelligent wastewater automation system that uses advanced laser-based sensing technology to monitor floc formation in real time and automatically optimize coagulant dosing. By stabilizing treatment performance, reducing chemical consumption and sludge generation, and lowering operating costs, S.sensing® CS helps industrial facilities achieve more efficient and sustainable wastewater treatment

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Towerclean NT®

Patented oxidizing biocide technology that effectively controls slime, biofilm, and microbial growth in cooling water systems, helping maintain heat transfer efficiency, protect equipment, and improve operational reliability.

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We are of service to you

Tetsuya Teramoto

Tetsuya Teramoto

Managing Director, Kurita R&D Asia Pte. Ltd.

Mr. Tetsuya Teramoto has served as Managing Director of Kurita R&D Asia Pte. Ltd. since 2024. Since joining Kurita Water Industries in 2006, he has accumulated nearly 20 years of experience in technology strategy, research and development, and business innovation, including investments in startup companies.

Throughout his career, Mr. Teramoto has led development projects across Japan, China, and the United States. Since 2023, he has been based in Singapore, where he has focused on accelerating technology development aligned with ASEAN market needs, strengthening partnerships with startups, universities, and other ecosystem stakeholders, and driving the creation of emerging solutions that contribute to the Kurita Group’s growth.

Mr. Teramoto holds a Master’s degree in Biosystem Studies from the University of Tsukuba, Japan. Leveraging his expertise in both research and development and business strategy, he is committed to driving innovation that transforms technology into business value and sustainable growth opportunities.

Zackariya

Mohamad Zackariya

Managing Director, Kurita (Singapore) Pte. Ltd.

Mr. Mohamad Zackariya has served as Managing Director of Kurita (Singapore) Pte. Ltd. since April 2023, capping a distinguished career of more than 25 years with the company. A Singaporean national, he joined Kurita Singapore in 1998 as a Design Engineer in the Plant Division and progressed through a series of leadership roles, including Manager, General Manager, Director, and ultimately Managing Director. His extensive experience has played a key role in strengthening the company’s technical capabilities, customer partnerships, and business growth across the region.

Holding a Bachelor’s Degree in Mechanical Engineering from University of Moratuwa, Sri Lanka and a Post Graduate Diploma in Business Management from Singapore Institute of Management, Mr. Zackariya combines deep technical expertise with strong business leadership. He is committed to advancing Kurita’s mission of creating shared value through innovation, operational excellence, and sustainable water solutions that support customers and industries throughout Southeast Asia.

Masato Hirai

Masato Hirai

Chief Administration Officer, ASEAN Regional

Mr. Masato Hirai serves as ASEAN Regional Chief Administration Officer at Kurita, a role he has held since 2023. With more than 25 years of experience in corporate administration, financial planning, and business operations, he brings extensive expertise in supporting organizational growth, strengthening governance, and driving operational excellence across international business environments.

Mr. Hirai joined Kurita Group in 2021 and has held leadership positions in Japan, Malaysia, Thailand, and Indonesia. Throughout his career, he has been responsible for financial planning and analysis, business administration, and the management of cross-functional corporate operations. He has also supported overseas subsidiaries across Asia, Europe, and North America, contributing to the development of effective business practices and strong stakeholder relationships. Prior to joining Kurita, he held management and planning roles at several multinational manufacturing and chemical companies.

Known for his strategic vision and collaborative approach to leadership, Mr. Hirai is committed to strengthening organizational performance and creating long-term sustainable growth. Currently based in Indonesia, he leverages extensive international experience to support Kurita’s regional development and business transformation initiatives. He graduated from Hitotsubashi University, Japan, with a Bachelor of Social Sciences degree in 1999.

Toshiaki Nakai

Toshiaki Nakai

General Director, Kurita-GK Vietnam Co. Ltd.

Mr. Toshiaki Nakai serves as General Director of Kurita-GK Vietnam Co. Ltd., a position he has held since April 2026. With more than 20 years of experience at Kurita, he has developed extensive expertise in water treatment solutions, business development, and customer partnership management across a wide range of industrial sectors, including general manufacturing, oil refining, and steel production.

Since joining Kurita Water Industries Ltd. in 2004 as a Sales Engineer, Mr. Nakai has supported customers in optimizing water use, enhancing operational efficiency, and advancing sustainability initiatives. He later expanded his leadership responsibilities in Indonesia, serving as General Manager of PT. Kurita Indonesia from 2022 to 2025 and Senior General Manager from 2025 to 2026, where he contributed to the company’s growth and strengthened its market presence.

Mr. Nakai holds a Bachelor’s Degree in Agriculture from Kobe University, Japan, graduating in 2004.

Toshinori Maema

Toshinori Maema

President Director, P.T. Kurita Indonesia

Mr. Toshinori Maema has served as President Director of PT. Kurita Indonesia since 2025, bringing over 20 years of experience in sales, marketing, technical, and business leadership within the water treatment industry. Having worked across Asia, Europe, and North America, he offers a global perspective on customer engagement, organizational development, and sustainable business growth.

Since joining the Kurita Group in 2004, Mr. Maema has held leadership positions at various Kurita companies in China, Europe, Japan, and Avista Technologies in the United States, where he served as President & CEO from 2023 to 2025 to focus on global initiatives to expand the Kurita reverse osmosis chemicals business. With more than half of his career spent outside Japan, he has developed extensive experience in leading multicultural teams and driving business growth across diverse markets.

Mr. Maema holds a degree in Biochemistry from Aoyama Gakuin University and completed the Leadership on Change program at IESE Business School. Fluent in Japanese, English, and Chinese, with elementary proficiency in German, he is passionate about fostering collaboration across cultures. Outside of work, he enjoys a wide range of sports, including golf, baseball, soccer, and basketball.