Millions of tons of cotton-polyester-blend material that would normally be discarded in landfills could be recycled using a newly patented method for removing dyes from textiles, separating cotton from fabric blends, and depolymerizing polyesters. The process, developed and demonstrated by…
Saida FDS Inc. (Shizuoka, http://saidagroup.jp/fds_en/) has commercialized a flow reactor that uses microwaves to produce fine chemicals and pharmaceutical intermediates at high temperatures and pressures. The system has been shown to boost productivity by a factor of 3–6 compared to…
At a pilot plant near Ames, Iowa, a team of researchers from Iowa State University (Ames; www.iastate.edu) and Chevron Corp. (San Ramon, Calif.; www.chevron.com) has validated the production of bio-oil via a new process technology called solvent liquefaction. Developed by…
A new patent-pending solution-mining technique known as SMER (selective mining with enhanced recovery), developed by Innovare Technologies Ltd. (Carlyle, Sask.; www.innovaretechnologies.ca), can increase yields of potash (potassium chloride; KCl) and achieve lower operating and capital costs compared to traditional potash…
In response to water scarcity and declining grades of ore, the mineral processing industry has been investigating ways to improve processes, such as bioleaching to deal with increased impurity concentrations in process streams. Advantages of bioleaching for low-grade ores, such…
Scientists at the U.S. DOE’s Oak Ridge National Laboratory (ORNL; Tenn.; www.ornl.gov) have developed an electrochemical process that directly produces ethanol from CO2. The researchers used a catalyst consisting of copper nanoparticles embedded in carbon spikes, and applied voltage to…
Researchers at the Agency for Science, Technology and Research (A*STAR; Singapore; www.a-star.edu.sg), led by Sudhakar Jonnalagadda, have provided another step toward replacing petrochemicals with renewable resources in the manufacture of synthetic fibers and plastics. The team has genetically modified Escherichia…
Toshiba Corp. (www.toshiba.co.jp), Mizuho Information & Research Institute, Inc. (MHIR; both Tokyo, Japan; www.mizuho-ir.co.jp) and 11 other industrial and academic partners have been selected to carry out a five-year project, “Demonstration of Sustainable CCS Technology Project,” sponsored by Japan’s Ministry…
Last month, Weatherly Inc., a wholly owned subsidiary of KBR Inc. (Houston; www.kbr.com) introduced its new dual-pressure nitric acid (DPNA) technology, which enables economically viable production of HNO3 in large scale [over 1,000 metric tons per day (m.t./d)], as part…
Converting natural gas to liquid hydrocarbons can theoretically be accomplished at high temperatures with the help of zeolite catalysts, but the reaction is hindered by two major factors. The conversion to products is thermodynamically limited, and coke formation on the…