Latest Leaching Stories

FRESNO, Calif., April 3, 2012 /PRNewswire/ -- Following the publishing of a recent UC Davis groundwater contamination study, PureSense Environmental Inc. announces its ability to help growers prevent nitrate leaching into groundwater through its soil moisture monitoring technology, giving growers the tools to significantly reduce contamination. The UC Davis study examined the Tulare Lake and Salinas basins and showed nitrate contamination is accumulating in the groundwater, with up...

VANCOUVER, March 20, 2012 /PRNewswire/ - Fire River Gold Corp. and Mystery Creek Resources Inc. (The Company) [TSX.V: FAU| OTCQX: FVGCF| FSE: FWR] is pleased to announce the completion of the CIL (Carbon in Leach) circuit construction. Commissioning is currently underway with assistance from Xstrata Process Support and Kappes, Cassiday & Associates. All supplies for the leaching circuit, including activated carbon and cyanide are currently on site. The five leach tanks are full...

TORONTO, March 6, 2012 /PRNewswire/ - Horizonte Minerals plc, (TSX:HZM, AIM:HZM) ('Horizonte' or 'the Company') the exploration and development company focused in Brazil, is pleased to announce positive results from the preliminary metallurgical testwork, from both pyrometallurgical and hydrometallurgical testing, for its flagship 100% owned Araguaia Nickel Project ('Araguaia') located south of the Carajás Mineral District of Northern Brazil. Highlights: Pyrometallurgy...

Ridge-furrow-ridge system proves efficient, economical method for agricultural production Ridge and furrow rainwater-harvesting (RFRH) systems with mulches were first researched in the flat, lowland, semiarid conditions of northwest China to improve water availability and to increase crop production. In RFRH systems, plastic-covered ridges serve as rainwater harvesting zones, and bare or mulched furrows serve as planting zones. The systems are becoming increasingly recognized and are being...

TSX: RES & NYSE AMEX: REE -- Pilot Plant testing of oxide resource begins -- Overall 80-85% recovery predicted from test program -- Further testing planned on oxide-carbonate and stockwork mineralization -- Initial testing of heavy rare earth-enriched mineralization to begin in Q4. LAKEWOOD, CO, Sept. 7, 2011 /PRNewswire/ - Rare Element Resources Ltd. (TSX: RES and NYSE-AMEX: REE) (the "Company") announces the...

Shallow disk injection found to be economically sound and environmentally safe, a technique that could help reduce nutrient runoff into the Chesapeake BayRecycling manure is an important practice, especially for large livestock producers. Manure can be used as fertilizer to aid in crop production, aiding livestock producers that grow their own feed crops. While manure does provide a rich nutrient source for crops, it also can contribute to nutrient leaching and runoff. This can contaminate...

Danish Study Examines Relationship between Soil Texture, Nutrient Leaching, and Waterway ContaminationResearch has documented the rise of nutrient runoff from flat agricultural fields with high rates of precipitation that adds nitrates and phosphates to waterways.These nutrients increase the amount of phytoplankton in the water, which depletes oxygen and kills fish and other aquatic creatures. While injecting animal manure slurry into the soil has been proven to be an effective way of...

HUDSON, Ohio, March 22, 2011 /PRNewswire/ -- Serefex Corporation (Pink Sheets: SFXC) announced today that it has added to its line of "Infection Control and Healthy Building Products" through its master distribution agreement with Rochester, MI based Triton Technology Group. Serefex's agreement with Triton provides it with product lines of technologically advanced solutions designed to restore and maintain a building's healthy environment. Brian Dunn, President and CEO of Serefex said, "The...

VANCOUVER, Oct. 21 /PRNewswire/ - Kiska Metals Corporation ("Kiska" or the "Company") is pleased to report the results of initial metallurgical studies carried out on copper-gold mineralization from its Island Mountain Prospect, Whistler Project, Alaska. Tests on two composite samples utilizing open circuit flotation followed by cyanide leaching of flotation tailings returned average copper concentrates grading 23% copper with recoveries averaging 67% for copper and 82% for gold. "Given the...

HILTON HEAD, S.C., Oct. 4 /PRNewswire-FirstCall/ -- Silver Scott Mines, Inc. (Pink Sheets: SILS) is pleased to announce the Company has signed a Letter of Intent to acquire all of the outstanding shares of Minera Mystery S.A. de C.V. Minera Mystery controls multiple gold hosting mineral concessions in the Sonora and Chihuahua states of Mexico. The projects include the Carmen, Purisima, Venturina, Minitas and others. Each of the projects has a high potential for relatively early production...