Product DescriptionThe sewage treatment system based bio-wood chip by maintaining a large amount of organic matter and microbial and ss processing efficiency is superior to the existing trickling filter method. Also, microorganisms to maintain a fixed and stable effluent quality obtain excellent technology. It is possible to use it continuously without the exchange of semi-permanent bio-wood chip. In addition, it is very economical and is high-altitude treatment process itself, such as phosphorus, nitrogen etc, by differing characteristics for each group of microorganisms easily.Product...