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  • Antibody drug conjugates ADCs GettyImages-1715913285
    Antibody-Drug Conjugate

    EirGenix provides client-oriented contract development and manufacturing services for biologics, especially monoclonal antibodies and biosimilars. Combining the capabilities of EirGenix’s strategic partner, Formosa Laboratories, Inc, a high potency API manufacturer, we offer integrated services for Antibody Drug Conjugate (ADC) development and manufacturing.

  • Esco - DFBG3
    Pharmacon™ Downflow Booth Generation 3

    Esco Pharma's Downflow Booth Generation 3 (DFBG3) is a new generation of Esco powder containment booth which provides simplicity with assured quality.

  • Mettler-Toledo - X52
    X-Ray Inspection: X52

    A premium dual energy x-ray inspection system offering outstanding detection of hard-to-find, low density contaminants, in a variety of applications. Available in standard and custom configurations.

  • Turbidity Plus
    Turbidity Sensors

    Turner Designs turbidity sensors provide accurate, stable measurements of suspended particulates in natural waters. With low power requirements and a compact design, they integrate easily into process control or field platforms. Rated to 200 meters, these sensors support sediment transport studies, water clarity monitoring, and coastal change research, delivering reliable turbidity data in real time.

  • GettyImages-1087218908 In the Manufacturing Facility Team of Scientists Wearing Sterile Protective Coverall
    Biologics Manufacturing

    Recipharm Advanced Bio GMP manufacturing units focus on process robustness and consistency to ensure product quality, purity and efficacy. Our multi-product manufacturing facilities feature state-of-the-art equipment for animal cell-derived viral and microbial products for your clinical trials in phase 1-2 and in accordance with cGMP guidelines.

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About Nutrient Removal

Nutrient removal from wastewater consists of treating wastewater to remove nitrogen and phosphorus before it reenters natural waterways. High levels of nitrogen and phosphorus in wastewater cause eutrophication, a process where excess nutrients stimulate excessive plant growth such as algal blooms and cyanobacteria. The decomposition of the algae by bacteria uses up the oxygen in the water causing other organisms to die. This creates more organic matter for the bacteria to decompose. In addition, some algal blooms can produce toxins that contaminate drinking water supplies.

As authorized by the Clean Water Act, the National Pollutant Discharge Elimination System (NPDES) permit program regulates point sources, such as municipal wastewater treatment plants, that discharge pollutants as effluent into the waters of the United States. In recent years, many of the States’ environmental bodies have lowered nutrient limits to arrest eutrophication. Maryland’s effort to protect the Chesapeake Bay and its tidal tributaries is perhaps the most notable example of nutrient removal in the US. Nutrient removal continues to be a growing area of focus for wastewater treatment throughout the world.   

The removal of nitrogen and phosphorus require different nutrient removal processes. To remove nitrogen, the nitrogen is oxidized from ammonia to become nitrate through a process called nitrification. This process is then followed by denitrification where the nitrate is reduced to nitrogen gas which is released to the atmosphere and removed from the wastewater.

Nitrification is a two-step aerobic process which typically takes place in aeration tanks. Denitrification requires anoxic conditions to encourage the appropriate biological conditions to form. The activated sludge process is often used to reduce nitrate to nitrogen gas in anoxic or denitrification tanks.

Phosphorus can be removed biologically using polyphosphate accumulating organisms (PAOs) which accumulate large quantities of phosphorus within their cells and separate it from treated water. Phosphorus removal can also be achieved by chemical removal. Once removed as sludge, phosphorus may be stored in a land fill. However, many municipalities and treatment facilities are looking to resell the biosolids for use in fertilizer.