Global Odor Control Technologies (GOC)

- Model 2300 - Amino Acids

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QuikSoil® 2300 is a combination of amino acids, proteins, nucleic acids, intermediate metabolism products, complex glycosides, other organic acids, and selected minerals. 2300 is utilized instead of 2600 in situations where high nitrogen levels (above 2.2%) occur in the feedstock. Typically, sewage bio-solids, poultry manure, and certain types of food waste would utilize 2300 rather than 2600. 2300 immediately lowers the overall pH of the mass. This increases the availability of the mass to more strains of bacteria, and allows for increased growth rates and reproduction rates. 2300 also provides sulfur reducing anaerobes with a preferential replacement for sulfates as a source of oxygen.

When the nitrates in 2300 are reduced, nitrogen is formed instead of sulfides and mercaptans. As this nitrogen makes its way to the surface of the mass, nitrogen fixing bacteria have the opportunity to oxidize it back into nitrate, creating an additional singlet oxygen source, keeping the nutrient nitrogen in the mass, and limiting odorous volatilization. Aerobic and micro-aerophilic activity dominates the upper parts of the mass, acting as a filtration and finishing system for gases moving outward from the interior.

QuikSoil® 2300 decreases ammonia, amines, indole, and other nitrogenous odours by decreasing overall pH, improving conversion rates to nitrate and increasing biomass (protein) production, and decreasing the need for aeration and the associated volatilizations. (Stable temperatures increase nitrogen fixation bacteria levels.) As previously stated, 2300 decreases sulfide and mercaptan production by supplying the reducing bacteria with an alternative compound oxygen source. Additionally, sulfur is tied up in sulf-oxide bonds and proteins produced in biomass increases. Other odors, which are typically the products of incomplete oxidation, such as aldehydes and ketones, are further oxidized and degraded as they are maintained in the mass longer, rather than prematurely exhausted.

QuikSoil® 2300 increases facultative activity to levels allowing decomposition times consistent with the needs of most facilities. Because less CO2 and VOC's are generated and emitted, more weight (density) and more carbon remain in the
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finished product and fewer greenhouse gases are exhausted. Because more ammonia and other free nitrogen compounds are fixed rather than exhausted from the pile, and because sulfates are not reduced to sulfides, nutrient values in 2300 treated compost tend to be higher, and the nutrients are often attached in complex organic compounds providing long term nourishment to plants and soil microbes.

The addition of the QuikSoil® technology to 2300 increases the speed of stabilization as evidenced by lower CO2 production, lower ammonia formation, and higher levels of humic acids and humins in shorter periods of time. The QuikSoil® technology utilizes current primary carbohydrate chain research or Sequential and Simultaneous Carbohydrate Availability Response (SSCAR) to maximize diversity and growth rates. SSCAR works by using extremely complex carbohydrates which typically decompose in a specific order to less and less complicated compounds. The order of availability of new carbohydrates and waste compounds, in conjunction with a select set of corresponding enzymes, facilitates the development of specific strains of bacteria in a predictable order. The bacteria encouraged are selected for their ability to digest complicated organic compounds in rapid fashion. Since the introduction of QuikSoil® technology in conjunction with 2300, Solvita test levels of 6 have been achieved in as few as 8 weeks (average 11 weeks over 56 tests). Test levels of 7 have been achieved in as few as 16 weeks (average 21 weeks).

QuikSoil® 2300 represents a significant means of odor control, emission control, fuel consumption control, and increases compost's potential as a method of carbon sequestration by bringing true stabilization into economically feasible timeframes.

Limiting the amount of mechanical aeration facilitates even temperatures and degradation  rates.     Mechanical aeration,  much  like fanning a fire,  causes temporary temperature spikes and dramatic changes in biological population. Because much of this temperature increase may not be biological, the mass may reach temperature levels toxic to desirable microbes.    Thus, heavily aerated materials kept at high temperatures break down as  much from chemical    (thermal)   decomposition   as   from    biological    decomposition. Additionally, during aeration activities anaerobically produced compounds are exhausted   before   they  are  fully  decomposed,   producing   many   odor problems.

QuikSoil® 2300 requires specific management practices in conjunction with its application to be most effective. These practices typically save the operator labour, maintenance, and fuel costs as they decrease the amount of external handling and processing the material receives.

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