A promising process to recover Li from seawater
Lithium is an element of growing importance for the production of batteries and nuclear fuels. Because Japan relies completely on imports of this material, with the majority coming from South America,...
View ArticleCovered lagoons treat wastewater and make biogas, too
The world’s first installation of the so-called Cohral technology — deploying a covered lagoon for anaerobic wastewater treatment — was completed last March at Oakey Abattoir Pty Ltd. in the farming...
View ArticleA process that recovers rare-earth elements from ‘urban mining’
Electrochem Technologies & Materials Inc. (Montreal, Canada; www.electrochem-technologies.com) has recently patented a process for recovering rare-earth elements (REEs) from mercury phosphor...
View ArticleReduce energy costs by combining wastewater treatment and desalination
New Energy and Industrial Technology Development Organization (NEDO; Kawasaki, Japan; www.nedo.go.jp) and Global Water Recycling and Reuse Solution Technology Research Assn. (GWSTA) have developed a...
View ArticleA heavy-metal recovery technique that produces no waste streams or sludge
A new remediation approach for industrial heavy-metal waste has been developed by Lewis Environmental Services, Inc. (LES; Pittsburgh, Pa.; www.lesvc.com). The patented Enviro-Clean process adsorbs...
View ArticleChallenges of Drying Sticky Wastewater Sludge
Wastewater sludge drying is difficult because it involves a stage in which the solids become extremely sticky and present handling problems. The aim of this article is to provide some insight into the...
View ArticleMunicipal water sludge-optimization technology poised for growth
A sludge-optimization technology for municipal water-treatment facilities is poised for rapid growth after the exclusive worldwide patent-licensing rights for the technology were acquired by CNP...
View ArticleAn energy-saving bioreactor for wastewater treatment
A bioreactor technology for removing organic and inorganic contaminants from industrial wastewater has been commercially launched by developer Honeywell and its subsidiary UOP LLC (Des Plaines, Ill.;...
View ArticleCombine wastewater treatment with biofuel production
Algae Systems LLC (Daphne, Ala.; www.algaesystems.com) has inaugurated a demonstration plant that integrates municipal wastewater treatment with the cultivation of biofuel-producing algae. Pretreated...
View ArticleProfitable potential for trash-to-liquids process
A group at Texas A&M University (College Station, Tex.; www.tamu.edu) is developing a process that converts organic municipal solid waste (MSW) into straight-chain alkanes, a primary component in...
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