In view of the high dissolved organic matter and salt content of the Mariculture wastewater in coastal industrial clusters. because that moving bed biofilm reactor (MBBR) normally faces the unbalanced carbon -nitrogen ratio and long flow. MBBR is rarely used for wastewater treatment of mariculture wastewater. Moving bed biofilm reactors of magnetic photocatalysis (MPBR) were treated w... https://foldlyers.shop/product-category/component-speakers/