EPCOR 수도 서비스와 Ostara 영양재생 테크놀러지(Nutrient Recovery Technologies)가 캐나다 최초의 영양재생 시설 중 하나로 규모를 확장하기 위해 파트너십을 맺었다.

Edmonton 시에 있는 Ostara의 첫 데모설비는 2007년 문을 열었으며, 기존의 설치 크기의 20배에 달하는 회사의 Pearl 10,000 기술을 이용해 업그레이드될 계획이다.

이 시설은 많은 영양소를 가지고 있는 하수로부터 연간 245톤의 인을 재생할 것으로 기대된다.

 

 

 

EPCOR Water Services and Ostara Nutrient Recovery Technologies have partnered to scale up one of the first nutrient recovery facilities in Canada.

 

Ostara’s first demonstration facility in the City of Edmonton opened in 2007. It will be upgraded using the company’s Pearl 10,000 technology to 20 times the original installation size.

 

The facility is expected to recover 245 tonnes of phosphorus annually from the nutrient-rich wastewater stream from the Clover Bar biosolids settling lagoons located at the Edmonton Waste Management Centre. It will then be processed into 1800 tonnes of Crystal Green fertilizer.

 

It is hoped the process will help the Gold Bar Wastewater Treatment Plant meet increasingly stringent phosphorus discharge limits into the North Saskatchewan River.

 

Ostara said up to 85% of the phosphorus and 25% of the nitrogen will be recovered from the Clover Bar biosolids settling lagoons.

 

The nutrient recovery facility and process is currently being constructed by PCL Construction Management and Ostara. EPCOR will operate the facility.

 

Removing phosphorus and nitrogen can help utilities overcome the build-up of struvite scale, a concrete-like mineral deposit. This is caused by excess nutrients that can choke process equipment, increases operating costs and undermine plant reliability, according to Ostara.

 

[출처 = Water World / 2014년 10월 1일]