Basic Principles of Microbubbles and Their Use in Wastewater Treatment OZAC Wastewater Treatment System

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Other Title
  • マイクロバブルの基礎原理と排水処理への活用オーザック（OZAC）排水処理システム

Abstract

The OZAC Wastewater Treatment System is an innovative wastewater treatment system that applies the YJ Nozzle, a micro- and nano-bubble generator. It directly decomposes organic matter by free radicals due to the crushing action of ozone fine （micro） bubbles. In addition, high-efficiency microbial treatment using ACB carrier, a special carrier containing activated carbon, enables significant reductions in BOD and COD without relying on chemicals.<br>This wastewater treatment system enables sludge volume reduction, capacity increase, and energy saving that have never existed before. As a wastewater treatment system for the new era of fine bubbles, it can handle various wastewater treatments, from small septic tanks to large-scale factory wastewater treatment. It has the following features：<br>1.　Since almost no sludge is generated, river discharge is realized without the need for a sedimentation tank.<br>2.　No odor is generated.<br>3.　The amount of chemicals used is drastically reduced, and running costs are also reduced.<br>4.　The processing capacity is more than twice that of conventional methods.<br>5.　Good at processing oil and SS.<br>6.　Reduces power energy consumption.<br>In addition, since it is possible to install an adjustment tank or aeration tank using it as it is without remodeling the existing facility, there is no need to carry out large-scale construction, and it is possible to significantly reduce costs. It has been installed in several factories and has been well tested in wastewater treatment at paper mills.

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 76 (12), 1035-1044, 2022

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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