October 2009 Vortex Ecological Technologies Ltd. Case Study: Vortex achieves 99.9% emission cleaning at Rotem Amfert Negev Rotem Amfert Negev Ltd (hereafter "Rotem") is an integrated, multinational company which mines and beneficiates phosphate rock and produces a comprehensive range of products based on phosphate rock as raw material, leading to downstream derivatives such as phosphoric acids, fertilizers, specialty chemicals a

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