Organics USA, Inc.
Organics USA is a renewable energy system and environmental protection companies that designs, builds, installs and commissions high-quality waste-to-energy systems and advanced wastewater treatment systems. Organics has commissioned over 300 projects globally and maintains a strong focus in the United States and Canada. Organics Renewable Energy Project Around the World.
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- Business Type:
- Industry Type:
- Waste to Energy
- Market Focus:
- Globally (various continents)
Ammonia in wastewater has been increasing for several decades. Organics specialises in the removal of high concentrations of ammonia.
Operation and Maintenance
Organics designs and builds waste-to-energy systems using biogas from a variety of a waste streams including bagasse and animal manure.
Landfill gas is a proven and reliable source of fuel for electricity production. Organics has a long track record using this technology.
Assessment - Design - Solution
Organics USA provides solutions to remove ammonia from wastewater.
One of the principal contaminants that must be treated in landfill leachate, and in waste water in general, is ammonia. Ammonia-N is normally present in wastewater or in leachate in several forms. Treatment is therefore essential.
Composition of Ammonia
Ammonia is a compound of nitrogen and hydrogen with the formula NH3. In its simplest form ammonia is a colorless gas with a characteristically pungent smell.
Environmental Impact of Ammonia
Nitrogen is a major plant nutrient, but too much nitrogen in the form of nitrates in the effluent can cause explosive plant growth and algal blooms in watercourses, lakes and ponds. As the process also creates anoxic conditions, it can be deadly to aquatic lifeforms.
Ammonia in raw domestic sewage is found in concentrations of about 30 to 60 mg/liter. In leachate from landfill sites and other organic wastewater streams it may rise to several thousands of milligrams per liter. As ammonia is biologically oxidized to nitrate it exerts an oxygen demand on the receiving water. This can reduce dissolved oxygen in the water to a point where aquatic lifeforms cannot survive. Lethal concentrations range from 2.5 to 25 mg/l. Ammonia can also act as a fertilizer. Uncontrolled release of untreated water can cause a profuse growth of stringy bacteria and/or fungi.
Organics USA has developed a thermally-driven ammonia stripping process to remove ammonia fro wastewater or leachate that requires no chemical additions apart from minor additions of an anti-foam agent. The single important input is waste heat from, for example – the exhaust from on-site engines, which drives the chemical reactions.
What is Biogas?
Biogas is a waste product generated from the decay of organic material. It is produced naturally from decaying waste, either in solid or liquid form. As its main component is methane, it is a highly contaminating greenhouse gas and must be controlled. Using it in power generation not only controls its emission but displaces the use of conventional fuels.
Biogas is composed principally of methane and carbon dioxide. Methane is a compound of carbon and hydrogen with the formula CH4 and, by itself, has no distinctive odor. It is the main component of biogas and is a highly effective greenhouse gas being around 25 times more effective than CO2.
Environmental Impact of Biogas
Biogas is generated by the reactions of bio-degradation of organic matter. It is formed under anaerobic conditions in the absence of oxygen and is commonly known as marsh gas.
Biogas is a natural pollutant in that one of its major components is methane, a gas that is around 25 times more effective than CO2 as a greenhouse gas. Depending on the substrate from which it is produced, it can also contain other contaminating gases such as hydrogen sulfide. In landfill sites, biogas is produced from degrading organic waste material and, apart from the unpleasant smell, can cause serious problems if not adequately controlled.
Because of its properties, biogas can also be used for a fuel and its use can displace traditional fossil fuels as a source of energy for power or heat production.
Biogas may be produced from many different biodegradable organic substrates. In general, however, its composition will be very similar, being comprised mostly of CH4, at between 40% and 65% by volume, CO2, at between 30% and 40% by volume, and a number of trace gases.
The feedstock dictates the biogas technology to be used. In order to properly design a biogas plant, the developer must fully understand its feedstock and its conditions of production. Once understood, the biogas feed train can be designed to tailor the needs of the site and purpose of production.
In any project that uses biogas as its principal source of fuel, it is important to undertake a comprehensive analysis of all conditions including the substrate from which the biogas is produced and whether or not specialist technology, such as H2S removal equipment, must be employed in cleaning and filtration.
Uses of biogas can range from power and heat generation to the production of RNG, or Renewable Natural Gas, for injection into regional pipelines or for compression as a vehicle fuel.