| 摘要 |
PURPOSE: A green algae and scum remover which removes green algae and settles that after coagulation for solidification of the river bottom is provided to neutralize heavy metals and to reduce phosphorus and nitrogen. CONSTITUTION: The green algae and scum remover is manufactured by applying acid and thermal reacts after the stage of mixing crushed natural rock with the size of 325 mesh below. Sedimentary rock and lithia mica are used for manufacturing materials.
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