BIOPOLYMER REMOVAL DEVICE AND WATER TREATMENT SYSTEM

• Main Authors: YABUNO YOHEI, MIZUMOTO YOSHITO, KOMATSU KENSAKU, UCHINAGA KENSUKE
• Format: Patent
• Language: English; Japanese
• Published: 07.05.2020
• Subjects: APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; CHEMISTRY; METALLURGY; NATURAL OR ARTIFICIAL THREADS OR FIBRES; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; SPINNING; TEXTILES; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

To provide a biopolymer removal device capable of performing direct removal of a biopolymer by membrane filtration over a long period without using a special medicament such as an adsorbent and a flocculation agent, and a water treatment system including the biopolymer removal device.SOLUTION: A biopolymer removal device 1 includes: a hollow fiber membrane 31 having cut-off molecular weight of 30,000 to 500,000, and a contact angle to water is 40° to 85°; and an acid cleaning part for periodically performing acid cleaning of the hollow fiber membrane.SELECTED DRAWING: Figure 2 【課題】吸着材や凝集剤等の特別な薬剤を用いることなく、膜ろ過によるバイオポリマーの直接的な除去を長期間にわたって実施できるバイオポリマー除去装置、及び前記バイオポリマー除去装置を備える水処理システムを提供することを目的とする。【解決手段】分画分子量が３０，０００〜５００，０００であり、水に対する接触角が４０〜８５°である中空糸膜３１と、前記中空糸膜を定期的に酸洗浄する酸洗浄部とを備えるバイオポリマー除去装置１である。【選択図】図２