{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Biological Nutrient Removal (BNR) Operation in Wastewater Treatment Plants: WEF Manual of Practice No. 30","author_name":"Water Environment Federation","thumbnail_url":"https://www.ebooknetworking.net/books/007/146/big0071464158.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0071464158.html\">Biological Nutrient Removal (BNR) Operation in Wastewater Treatment Plants: WEF Manual of Practice No. 30</a>","width":400,"height":300}