Ammonia Removal
Non-Biological Ammonia Removal Solutions
Unlike heavy metals, nitrogen compounds present in mine waters originate entirely from anthropogenic sources, such as blasting residues and cyanide destruction. Because ammonia is highly toxic to aquatic ecosystems, achieving strict discharge limits is a critical priority for mining operations. For ammonia removal from wastewater, BQE Water offers advanced non-biological ammonia removal mining technologies that provide distinct advantages over conventional biological systems:
- Performs reliably in cold climates and sub-Arctic conditions.
- Adapts instantly to fluctuating flow rates and highly variable water chemistry.
- Achieves ultra-low discharge targets without generating secondary nutrient plumes or biochemical oxygen demand (BOD) in the receiving environment.
ION EXCHANGE FOR AMMONIA REMOVAL
We utilize selective ion exchange to directly target and remove ammonia from mining effluents. This physico-chemical process captures ammonia efficiently, allowing operations to meet stringent regulatory limits even in nutrient-starved receiving environments where biological treatment is not viable.
ELECTRO-OXIDATION
Our advanced electro-oxidation processes can be integrated to safely manage nitrogen species. By leveraging electrochemistry, we can break down complex nitrogen compounds without the need for large biological reactor footprints, eliminating the risk of long-term biological sludge generation.
CASE STUDIES
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RAGLAN MINE
Provided seasonal sub-Arctic mine drainage treatment for over 15 years. Utilizing our physico-chemical technologies, the plant handles highly variable flows and extreme cold, proving the viability of non-biological treatment in harsh climates.
COEUR WHARF MINE
Supported environmental compliance for a mine expansion using proven, fast-acting non-biological technology that handles large fluctuations in flow and performs reliably in cold conditions.
Frequently Asked Questions About Ammonia Removal
Why choose non-biological ammonia removal over biological systems?
Biological treatment systems are sensitive to cold water temperatures and rapid flow variations. Furthermore, they can generate biological sludge and release nutrient (BOD) plumes into receiving waters, which is detrimental to nutrient-starved environments. Our non-biological processes eliminate these risks entirely.
Where does ammonia in mine water come from?
Unlike heavy metals, ammonia and other nitrogen compounds originate from anthropogenic (human-made) sources. In mining, ammonia is typically introduced into wastewater through the use of nitrogen-based explosives during blasting, or as a breakdown product from cyanide destruction circuits.