PROBLEM TO BE SOLVED: To provide a fish and shellfish aquaculture water purification device that can easily obtain clean water from the water to be purified containing solid organic matter and ammonium ion, a fish and shellfish aquaculture device having this fish and shellfish aquaculture water purification device and capable of easily culturing the fish and shellfish, and a fish and shellfish aquaculture water purification method capable of easily culturing the fish and shellfish.SOLUTION: A fish and shellfish aquaculture water purification device is provided for purifying the water to be purified. The fish and shellfish aquaculture water purification device can generate gaseous microbubbles containing ozone in the water to be purified in a septic tank, and can remove solid organic matter and ammonium ion in the water to be purified.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2016,JPO&INPIT【課題】固形有機物とアンモニウムイオンとを含む被浄化水から容易に清浄な水を得ることのできる魚貝類養殖水浄化装置、この魚貝類養殖水浄化装置を有し、魚貝類を容易に養殖することのできる魚貝類養殖装置、及び魚貝類を容易に養殖することのできる魚貝類養殖水の浄化方法を提供すること。【解決手段】被浄化水を浄化する魚貝類養殖水浄化装置であって、浄化槽における被浄化水に、オゾンを含むガスのマイクロバブルを発生させ、被浄化水中の固形有機物とアンモニウムイオンとを除去することができる魚貝類養殖水浄化装置。【選択図】図3
