Effect of Tourmaline Mineral Addition on pH of Deionized Water and Wastewater

In Hwan Shin; Seongjoo Kang; Sang-hun Lee

doi:10.12972/ksmer.2018.55.2.106

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2018 Vol.55, Issue 2 Preview Page Next Page

Research Paper

Effect of Tourmaline Mineral Addition on pH of Deionized Water and Wastewater 토르말린 광물 첨가에 의한 초순수 및 폐수 pH의 영향

30 April 2018. pp. 106-111

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Abstract

This study investigated the pH effect of tourmaline addition in aqueous solution and wastewater. The tourmaline effect reflected in pH of aqueous solution was observed using various size of tourmaline particles. Under 0.12 mm of tourmaline particle sizes, the pH was significantly increased with the reaction time elapsed. However, when the size of tourmaline was further decreased to 0.018 mm, the increase of pH was retarded. This study also investigated the pH effect of tourmaline in real wastewater by measuring pH before and after tourmaline addition. As a result, the pH value was not significantly changed by adding tourmaline in real wastewater. However, biological organic degradation and biological ammonia oxidation were influenced by tourmaline addition. Overall, tourmaline could be utilized to enhance some wastewater biological treatment performance.

Keywords

Tourmaline

Wastewater

Biological treatment

본 연구에서는 수용액 및 실폐수내 토르말린 추가로 인한 pH 영향을 조사하였다. 이를 위해 다양한 크기의 토르말린 입자를 포함한 수용액내 pH의 변화를 관찰하였다. 토르말린 투입에 따른 유의미한 pH 증가는 0.12 mm 미만의 입도를 포함한 수용액에서 관찰 되었으나 0.018 mm 토르말린 입도 조건에서는 이러한 시간에 따른 pH 증가가 상대적으로 일정하다는 것을 확인할 수 있었다. 실폐수에서의 pH에 토르말린이 끼치는 영향을 확인하기 위하여 폐수내 토르말린을 첨가하였다. 그 결과 폐수내 다양한 이온 및 고형물질의 존재로 인해 pH 변화가 상대적으로 미미했다. 그러나 토르말린의 주입이 폐수의 생물학적 처리(유기물 분해 및 질산화)에 미치는 영향을 관찰한 결과, 토르말린의 주입이 전반적인 폐수의 처리 속도를 증가시키는 것을 확인하였다.

키워드

토르말린

폐수

생물학적 처리

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Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society of Mineral and Energy Resources Engineers
Journal Title(Ko) :한국자원공학회지
Volume : 55
No :2
Pages :106-111
Received Date : 2018-04-05
Revised Date : 2018-04-24
Accepted Date : 2018-04-27
DOI :https://doi.org/10.12972/ksmer.2018.55.2.106

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

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