(406) 459-2776
Apex Engineering, PLLC

Technical Papers by Apex Engineering water treatment consulting
“Biological Treatment Helps Remove Nitrate, Sulfate from Mine Runoff”
Kinross Gold, Republic, WA
Industrial WaterWorld, Jan./Feb. 2010


“In Situ Nitrogen Removal Demonstrated at Stillwater Mine”
Stillwater Mining Company, Nye, MT
Industrial WaterWorld, Aug. 2006







"Gold Mine Succeeds With Denitrification Test Plant"
Minera Yanacocha/Newmont Mining, Cajamarca, Peru
Industrial Wastewater, April/May 2006






“Program Studies Arsenic Treatment for Small System”
Carter Chouteau County Water District, Carter, MT
WaterWorld, February 2005


 “Novel Biological Treatment Removes Nitrate Contamination”
Stillwater Mining Company, Nye, MT
Industrial WaterWorld, Summer 2001






 “A New Process for Sulfate Removal From Industrial Waters”
Water Online, June 2001
"Coagulation/Filtration Technology Helps Remove Arsenic,
Antimony at NV Mine"
Industrial WaterWorld, May 2014

"Floating Islands as a Remediation Tool"
Floating Island International, Shepherd, MT
Pollution Engineering, June 2014

“Floating Treatment Wetlands Improve Stormwater Quality"
Floating Island International, Shepherd, MT
Environmental Science & Engineering Magazine, May/June 2013  






“Examining In Situ Bioremediation of Nitrate and Perchlorate”
Alpha Explosives, Lincoln, CA
Industrial WaterWorld, February 2013


“Natural Zeolites Remove Thallium From Mining Water”
Atna Resources Ltd., Kendall Mine, Hilger, MT
Environmental Science & Engineering Magazine, January/February 2013
Website> Zeolites_help_remove_thallium_from_ground_water.pdf






“Floating Wetlands Help Boost Nitrogen Removal in Lagoons”
Floating Island International, Shepherd, MT
WaterWorld, June 2012


“Floating Treatment Wetlands Mitigate Lake Eutrophication”
Floating Island International, Shepherd, MT
Environmental Science & Engineering Magazine, May 2012


Interested in learning more about us?
Contact Us
"Sulfate Removal Technologies:  A Review"
Water Online, January 2015
"Arsenic Removal Technologies:  A Review", Water Online, March 2015
"Selenium Removal Technologies:  A Review", Water Online, January 2016