SED ® The biochemical technology process system is a globally advanced, low-energy, low-cost, efficient, and stable new biochemical process solution provided by Huanchuan Environment Company.

SED ® Biochemical technology is an improved AAO process with low dissolved oxygen (DO), sludge screening and other technologies as its core. This process was jointly developed by a global team of doctoral experts in the field of wastewater treatment, integrating German OTT BioTas ® Micro mixing hose aeration technology, MACOSS ® Control technology, FluBca ® Biocarrier technology, InDENSE Austria ® Sludge screening technology, BioAir ® Multiple global core patented technologies for wastewater treatment, including air lift technology.

SED ® Biochemical technology is mature and widely used, and has been applied in municipal sewage, industrial parks, paper printing and dyeing, petrochemical, coal chemical and other sewage treatment projects in Europe, America, Asia and other regions. It has outstanding advantages in cost reduction, energy conservation and carbon reduction, upgrading and transformation, control, and significant effects, and has been recognized by a large number of users.