Hongji Environmental

Shanghai Hongji Environmental Protection Technology Joint-stock Co., Ltd. is a high-tech environmental protection company integrating design, construction, operation and equipment sales of industrial water, pure water, wastewater, waste gas, and solid waste treatment projects. It is a high-tech enterprise in Shanghai, possessing multiple technologies for pure water, high-salt, high-concentration organic wastewater pretreatment, biochemical treatment, saline wastewater concentration and zero discharge, waste gas and solid waste treatment, as well as environmental engineering special contracting and design qualifications issued by the Ministry of Construction, and pollution control facility operation qualifications issued by the Ministry of Environmental Protection, with comprehensive strength at the leading level. Hongji has long been market-oriented, implementing the development strategy of technology service as the core, with engineering and equipment products as the two wings. Based on specific customer needs and professional standards, it conducts targeted R&D and proposes advanced and innovative system solutions to resolve customer difficulties and problems. Through continuous R&D and innovation, Hongji has established core technological advantages in the fields of difficult and high-concentration wastewater treatment and reclaimed water reuse, establishing a first-line brand position in the water treatment industry. Its upflow coupled hydrolysis process is a leading domestic hydrolysis acidification process, chosen by many renowned design institutes including Shanghai Municipal Engineering Design Institute. In addition, enhanced sludge regeneration process and combined aeration technology have been widely applied in industries such as chemical, pharmaceutical, and food and beverage. Its technology and engineering in pure water and ultrapure water are continuously improving and expanding, and in the field of wastewater treatment and reclaimed water reuse in the textile printing and dyeing industry, it has numerous successful engineering cases, giving Hongji the ability to provide integrated design for all water treatment projects, offering one-stop services for enterprise water treatment, significantly reducing investment and operating costs. Meanwhile, Hongji has completed multiple wastewater treatment projects in the coal chemical and petrochemical industries, delivering excellent quality and gaining wide acclaim. In the equipment product field, Hongji cooperated with Tongji University to successfully develop ionic enzymatic suspended fillers, and on this basis developed the HBF wastewater treatment process, which obtained national patents and has been successfully applied in several high-concentration organic wastewater, high ammonia-nitrogen wastewater, and advanced wastewater treatment projects. Cooperating with Fudan University, it has achieved encouraging technical breakthroughs in organic waste gas and odor treatment. At the same time, Hongji actively introduces advanced foreign technologies, developing new dissolved air flotation systems, sludge dewatering equipment, and multiple models of jet aeration equipment, hydrolysis tank pulse and multi-point water distribution equipment, and hydraulic mesh plate filters, widely used in the food and paper industries. Adhering to the principles of high starting point, high technology, and high quality, Hongji combines the latest theoretical knowledge with years of practical experience to develop proprietary products, applying advanced technologies in the environmental engineering field, delivering high-quality products and services, striving to efficiently and effectively solve environmental protection problems for customers and meet their needs.