BATCH WASTEWATER TREATMENT METHOD AND APPARATUS

• Main Authors: BABA MISA, FUJII HIROAKI, OKA TATSUYA
• Format: Patent
• Language: English; Japanese
• Published: 20.04.2015
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; COMPOSITIONS THEREOF; CULTURE MEDIA; ENZYMOLOGY; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SPIRITS; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE; VINEGAR; WINE

PROBLEM TO BE SOLVED: To provide a batch wastewater treatment method that enables quick and direct discharge of treated water into a sewer.SOLUTION: A batch wastewater treatment method using microorganism-immobilized carriers includes: a supply step of supplying wastewater to a treatment tank in which the carriers exist; a biological treatment step of biologically treating the wastewater in the treatment tank by aeration; a precipitation step of precipitating the carriers in the treatment tank; and a discharge step of directly discharging treated water in the treatment tank into a sewer. 【課題】速やかに下水道へ直接放流することが可能な回分式排水処理方法を提供する。【解決手段】 微生物固定化担体を用いた回分式排水処理方法であって、前記担体を存在させた処理槽に排水を供給する供給工程、曝気により処理槽内の排水を生物処理する生物処理工程、処理槽内の前記担体を沈降させる沈殿工程、および処理槽内の処理水を下水道に直接放流する放流工程を有することを特徴とする回分式排水処理方法。【選択図】図１