유용미생물 함유 화산재 블록의 수질정화 특성
Study on the Water Purification Properties of Volcanic Ash Blocks with Beneficial Microorganisms
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초록
본 연구는 백두산 화산재를 활용한 친환경 수질정화용 블록 개발을 위한 기초 연구로, 백두산 화산재의 재료 특성에 따른공학적, 미세구조 분석을 통해 유용 미생물과의 혼합 방법에 따른 수질정화 능력을 분석하였다. 백두산 화산재 블록에 고정된유용 미생물 DF35는 TSA 배지에서 블록 조각을 흔드는 배양 조건에서 높은 활성도를 유지했으며, 화산재 블록이 생물오염원을 효과적으로 억제하여 수질정화 효과를 충분히 발휘함을 확인하였다. 본 연구를 통해 백두산 분화 시 화산분출물 처리계획과 다양한 친환경 구조물에 활용될 수 있는 기초 자료를 제공할 것으로 기대되며 추후 현장 조건을 고려한 지속적인연구가 필요할 것으로 판단된다.
Abstract
In this study, the development of eco-friendly water purification blocks utilizing Baekdu volcanic ash was investigated as a preliminary approach. Engineering and microstructural analyses based on the material properties of Baekdu volcanic ash were conducted to evaluate the water purification capabilities of the blocks, depending on the mixing methods with beneficial microorganisms. DF35, a beneficial microorganism immobilized in the volcanic ash blocks, maintained high activity under cultivation conditions involving shaking with block fragments in TSA medium. The volcanic ash blocks effectively suppressed biological contaminants, demonstrating sufficient water purification performance. This study is expected to provide fundamental data for the management of volcanic ejecta during Baekdu eruptions and for the application of volcanic ash in various eco-friendly structures. Continuous research considering field conditions is deemed necessary for future applications.
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