[네덜란드] BiAqua, 인산염 흡착 기술 개발

네덜란드 기반의 신규 회사인BiAqua가 인산염 농도를 줄이는 인산염 흡착 기술을 개발했다고 밝혔다. 인산염 제거 기술(PRT)의 핵심은 재생하는 동안 인산염을 포획, 저장하는 흡착 하고 멤브레인 전처리 시스템과 결합하여 사용할 수 있다. PRT 공정은 냉각수 시스템, 지표수 배출이나 석유 및 가스 산업에서 사용되는 저장소에서 사용할 수 있다.

BiAua의 연구·개발 관리자인 Monica Paravidino는 "파일럿 규모의 실험을 통해 멤브레인 수명이 멤브레인 전처리시 사용되는 생물 활성 탄소 필터와 비교했을 때 적어도 10년이상 연장됐다"고 설명했다.

The Netherlands-based start-up company has developed a phosphate adsorbent technology that it claims can reduce phosphate concentration to less the 1 part per billion. The heart of PRT technology is an adsorbent that can capture phosphate and store it until it is released during regeneration.

"Our portfolio includes a range of bio-based and inorganic adsorbents, with varying capacities, to address specific customer needs. We have shown that we are able to consistently remove over 95% of the phosphate from feedwater with levels ranging between 0.1 and 25 mg/l," said BiAqua's chief executive officer, Lute Broens.

The heart of BiAqua's phosphate removal technology (PRT) is an adsorbent that can capture phosphate and store it until it is released during regeneration. In addition to being used in conjunction with a membrane pretreatment system, the PRT process can be used in cooling water systems, surface water discharge or to prevent reservoir souring in the oil and gas industry.

BiAqua's research and developement manager, Monica Paravidino, said, "Pilot-scale studies have confirmed that with phosphate limitation using BiAqua adsorbent materials, the membrane lifetime could be extended at least ten times compared to the use of biologically activated carbon filters as membrane pretreatment."

She added: "As a consequence, there are less frequent membrane cleanings, lower energy and chemical consumption, reduced labor costs and less downtime. The overall reduction of treatment plant operating expenditure is resulting in a typical payback of two years."

BiAqua has developed a standard line of pre-engineered PadEx phosphate adsorber exchange systems for capacities of 2.5 to 32.0 m/hr (11-140 gpm), and existing granular media filter systems can be retrofit to operate with PRT.

 

[출처 = Desalination & Water Reuse / 2014년 8월 19일]