| 摘要 |
<p>The present invention aims to recollect algae using natural phenomena. An alga settling tank (1) comprises: an algae insertion hole (2) having a condition under which algae cannot perform photosynthesis and thus cannot grow; a clean water recollection hole (3); and settled algae recollection hole (4). The alga settling tank is made in the shape of a tank or a tube. A pump 1, 2, and 3 are installed on an algae insertion hole (2), a clean water recollection hole (3), and the settled alga recollection hole (4). A settling tank is installed under water. After placed in the settling tank for some time, algae cannot receive sunlight and cannot perform photosynthesis. The pump connected is operated to recollect algae.</p> |
