WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD

• Main Authors: NAKAHARA SADAHITO, EDA TAKAHIRO, SAWADA SHIGEKI, MORIKAWA MASAYUKI, KODERA HIROYA
• Format: Patent
• Language: English; Japanese
• Published: 08.10.2020
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

To provide a water treatment apparatus using a microorganism capable of stably and uniformly maintaining a trace metal ion concentration and an oxygen concentration in a microorganism treatment system, and to provide a water treatment method using the water treatment apparatus.SOLUTION: A water treatment apparatus for performing water treatment by utilizing a microorganism contained in water to be treated includes agitation means for agitating the water to be treated in the water treatment apparatus, oxygen supply means for supplying an oxygen-containing gas to water to be treated, a trace metal supply source for supplying a trace amount of metal to the water to be treated, and a treatment water outlet for discharging the treated water to be treated. There is also provided a water treatment method using the water treatment apparatus.SELECTED DRAWING: Figure 1B 【課題】微生物処理系内の微量金属イオン濃度及び酸素濃度を安定かつ均一に維持できる、微生物を用いる水処理装置及びこの水処理装置を用いる水処理方法の提供。【解決手段】被処理水中に含まれた微生物を利用して水処理を行う水処理装置であって、水処理装置内の被処理水を撹拌する撹拌手段と、被処理水に酸素含有ガスを供給する酸素供給手段と、被処理水に微量金属を供給する微量金属供給源と、処理した被処理水を排出する処理水出口とを備える水処理装置及びこの水処理装置を用いる水処理方法。【選択図】図１Ｂ