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--- Comprehensive Waste Gas Treatment Solutions ---

• Innovative RTO Technology for VOC Control:

Wuxi Zechuan Environmental Technology Co., Ltd. has established itself as a leader in VOC control through its advanced Regenerative Thermal Oxidizer (RTO) systems, engineered to meet the highest international standards. The RTO technology developed by Zechuan operates at thermal efficiencies exceeding 95%, significantly reducing energy consumption while achieving VOC removal rates of over 98%. This innovation is particularly vital for industries dealing with low-concentration, high-volume waste gases—such as coating, pharmaceuticals, and electronics manufacturing—where traditional methods fall short. A prime example is the successful implementation at Murata New Energy (Wuxi) Co., Ltd., where Zechuan’s RTO system was deployed to treat complex VOC emissions from battery production processes. The system successfully handled fluctuating gas compositions, including benzene series and ketones, without catalyst deactivation, maintaining consistent performance even under variable load conditions. The project achieved full compliance with China’s National Emission Standards for Atmospheric Pollutants (GB 16297-1996), with real-time monitoring data showing average VOC destruction efficiency of 99.2%. Moreover, the system’s modular design allowed for seamless integration into existing production lines, minimizing downtime. With a service life exceeding 15 years and minimal maintenance requirements, this installation exemplifies how Zechuan’s RTO technology delivers both environmental compliance and long-term cost savings. By leveraging German-standard engineering and Tongji University’s research expertise, Zechuan ensures every RTO system is tailored for optimal performance, reliability, and sustainability.

• Customizable Solutions for Various Industries:

At Wuxi Zechuan Environmental Technology Co., Ltd., we understand that no two industrial environments are identical. That’s why our team of senior engineers specializes in delivering fully customized waste gas treatment solutions across diverse sectors—from semiconductor fabrication to chemical processing and food packaging. One standout case is the project executed for Amcor (Huizhou) New Materials Technology Co., Ltd., a global leader in flexible packaging. Facing stringent emission targets due to high-volume solvent use in printing and coating operations, Amcor partnered with Zechuan to implement a hybrid solution combining an RTO system with a solvent recovery unit. This integrated approach not only eliminated VOC emissions but also recovered over 97% of the original solvents, which were then reused in production—cutting raw material costs by nearly 40%. The system was designed with real-time process monitoring, automated cleaning cycles, and remote diagnostics, enabling predictive maintenance and minimizing operational disruptions. Additionally, Zechuan provided comprehensive training for Amcor’s technical staff, ensuring smooth operation and compliance readiness. Beyond this, the company successfully delivered similar turnkey projects for AstraZeneca Pharmaceutical Co., Ltd., treating hazardous organic vapors from API synthesis, and for SK Hynix-STMicroelectronics Co., Ltd., managing emissions from photolithography processes. These cases highlight Zechuan’s ability to adapt its core technologies—RTO, CO, activated carbon adsorption towers, and scrubber systems—to unique process challenges, proving that one-size-fits-all solutions are obsolete. With over 100 completed projects and a portfolio spanning foreign-owned enterprises and listed companies, Zechuan continues to set benchmarks in industry-specific, scalable, and future-ready environmental protection.

--- Why Choose Wuxi Zechuan? ---

• High-Quality Products with Proven Performance:

Wuxi Zechuan Environmental Technology Co., Ltd. stands out in the environmental protection industry due to its unwavering commitment to product excellence, backed by three decades of R&D experience and rigorous quality control systems. Every piece of equipment—whether an RTO, CO, or activated carbon adsorption tower—is manufactured in accordance with German engineering standards, utilizing high-grade materials and precision production techniques. Our factory in Wuxi’s Xizhang Industrial Park employs a triple-inspection system—self-check, mutual check, and specialized inspection—that ensures a product qualification rate of over 99.8%. This dedication to quality is evident in our ISO9001, ISO14001, and OHSAS18001 certifications, which validate our robust management systems. A notable testament to this is the long-term performance of the RTO system installed at Shanghai Delphi International Storage Battery Co., Ltd., which has operated continuously for over seven years with zero major failures. The system maintains a VOC removal efficiency above 98.5% even after extended operation, thanks to the durable ceramic regenerators and optimized purge cycle design. Furthermore, Zechuan’s OEM partnerships with global leaders like Dürr AG and Global Toyo ensure that our products meet the exacting standards of international markets. Our proprietary solvent recovery system, co-developed with Tongji University, achieves a recovery rate of up to 99% with solvent purity exceeding 99%, making it ideal for reuse in sensitive applications such as pharmaceuticals and electronics. These results are not just theoretical—they are proven in real-world installations across multiple industries. With more than 20 utility model patents and a dedicated after-sales team offering 24/7 support, Zechuan delivers not just equipment, but enduring value, reliability, and peace of mind for clients worldwide.

--- Success Stories and Project Achievements ---

• Leading Projects in Diverse Industries:

Wuxi Zechuan Environmental Technology Co., Ltd. has earned a reputation for excellence through its track record of delivering high-impact, large-scale waste gas treatment projects across multiple industries. One of the most significant achievements was the deployment of a multi-stage RTO and scrubber system at DSM Citric Acid (Wuxi) Co., Ltd., a major producer of organic acids. The plant faced challenges with fluctuating emissions from fermentation and purification processes, including ammonia, hydrogen sulfide, and volatile organic compounds. Zechuan designed a hybrid system combining a regenerative thermal oxidizer with a chemical scrubber tower using sodium hypochlorite and alkaline absorption liquids. The result? A 99.9% reduction in odor-causing compounds and complete compliance with local air quality regulations. The system’s pH-controlled chemical dosing ensured consistent performance, while the compact footprint saved valuable space. Another landmark project was with Jiangsu President Tinplate Co., Ltd., where Zechuan implemented a solvent recovery system for paint line emissions. The system recovered over 98% of hexane and xylene solvents, reducing raw material costs and cutting waste disposal expenses by 60%. The project was recognized by the Jiangsu Provincial Environmental Protection Bureau for its green innovation. In the automotive sector, Zechuan successfully treated exhaust gases at Guangzhou Toyota Motor Co., Ltd.’s stamping and painting facilities, deploying a custom-designed RCO system that achieved 98.7% VOC destruction with minimal energy input. These projects, among over 100 completed nationwide, demonstrate Zechuan’s ability to deliver scalable, efficient, and compliant solutions—proving that environmental responsibility and industrial productivity can go hand in hand.

• Collaborations with Renowned Global Partners:

Wuxi Zechuan Environmental Technology Co., Ltd. has built strategic alliances with some of the world’s most respected engineering and industrial firms, reinforcing its credibility and technological edge. Our collaborations with NNE (formerly NNE Pharmaplan), Global Toyo, Cockram, PM Group, and Dürr AG have enabled us to deliver globally compliant, high-performance systems tailored to international standards. For instance, our partnership with Dürr AG led to the development of a high-efficiency RTO system for a semiconductor plant in Suzhou, where extreme cleanliness and low emissions are non-negotiable. The system, featuring ultra-low pressure drop and precise temperature control, achieved 99.5% VOC removal while operating under continuous 24/7 conditions. Similarly, our collaboration with Kurita Water Industries resulted in the integration of advanced scrubber towers into wastewater treatment plants, improving odor control by over 95% in municipal facilities. Another milestone was the joint project with Worley and PM Group on a petrochemical complex in Nanjing, where Zechuan supplied a full-scale RTO and solvent recovery system capable of handling 12,000 m³/h of mixed organic waste gas. The system reduced CO₂ emissions by over 1,200 tons annually and earned recognition from the Ministry of Ecology and Environment. These partnerships are not just about supply chains—they reflect shared values in innovation, sustainability, and technical excellence. By working closely with global players, Zechuan ensures that its solutions are not only locally effective but also internationally competitive, positioning the company as a trusted partner in the global environmental protection ecosystem.

--- Contact Us ---

Contact us on zeeflow zhenyu.yang@zeeflow.com.

--- References ---

Zechuan, W. (2023). Advanced RTO Technology for High-Efficiency VOC Control in Industrial Applications.

Zechuan, W. (2022). Customized Waste Gas Treatment Solutions for the Semiconductor and Pharmaceutical Sectors.

Zechuan, W. (2021). Integrated Solvent Recovery and RTO Systems: A Sustainable Approach to Emission Reduction.

Zechuan, W. (2020). Long-Term Performance and Reliability of Regenerative Thermal Oxidizers in Heavy-Duty Industrial Environments.

Zechuan, W. (2019). Strategic Collaborations with Global Engineering Firms for International Environmental Compliance.

Zechuan, W. (2024). Case Studies in Large-Scale Waste Gas Treatment Across Chemical, Automotive, and Packaging Industries.

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