Visualization of toner ink adsorption at bubble surfaces.APPLICATION: This laboratory technique allows quantitative and systematic study of froth flotation Froth Flotation is a selective process for separating minerals from gangue by using surfactants and wetting agents. The selective separation of the minerals makes processing complex (that is, mixed) ores economically feasible. and dissolved-air flotation processes flotation process, in mineral treatment and mining, process for concentrating the metal-bearing mineral in an ore. Crude ore is ground to a fine powder and mixed with water, frothing reagents, and collecting reagents. important to the paper recycling Paper recycling is the process of recovering waste paper and remaking it into new paper products. There are three categories of paper that can be used as feedstocks for making recycled paper: mill broke, pre-consumer waste, and post-consumer waste. industry. Flotation deinking involves interactions between inks particles and bubbles surfaces. These interactions are tough to observe directly or to quantify in bench-scale experiments or mill operations; this makes it difficult to evaluate effects of process conditions such as bubble size and solution chemistry on deinking efficiency. This paper presents images and measurements of toner ink interactions with bubble surfaces in laboratory-scale flotation processes. TAPPI TAPPI Technical Association of the Pulp and Paper Industry JOURNAL Following are summaries of April 2006 peer reviewed papers from TAPPI JOURNAL, a monthly publication that includes full-text, peer reviewed research papers. TAPPI membership includes access to all TAPPI JOURNAL content online at www.tappi.org. In addition, print and electronic subscriptions are available. For more information about joining TAPPI or to subscribe to Verb 1. subscribe to - receive or obtain regularly; "We take the Times every day" subscribe, take buy, purchase - obtain by purchase; acquire by means of a financial transaction; "The family purchased a new car"; "The conglomerate acquired a new company"; TAPPI JOURNAL, contact the TAPPI Member Connection Center: Phone: 1 800 332-8686 (USA); 1 800 446-9431 (Canada); or +1 770 446 1400 (International). |
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