| 摘要 |
<p>PURPOSE: To simply purify an SS component and a BOD component in water in a natural pond, a reservoir and a water path, etc., and to effectively supply a granular block for water treatment stably as a quality-controlled secondary block product. CONSTITUTION: A granular body 1 consisting of three layers of a bacteria living layer 2 consisting of charcoal and manure, a water keeping layer 3 consisting of perlite and wood powder, and a bacteria activated layer 4 consisting of zeolite, KANUMA earth and charcoal, is formed to blocks via an adhesive.</p> |
