AN INDICATOR FOR GUIDING
WITH ATP 2G!
Eco-friendly recycling of organic waste (household waste, green waste, sludge from water purification systems, agro-industrial residues, etc.) via the production of biofuel, bioethanol or compost represents an important future challenge technically, economically and ecologically. However, the efficacy and stability of biodegradation processes (digestion in a methanizer, fermentation in bioreactors, maturation in a composter or a composting heap) are completely dependent on the physiological and metabolic state of the biomass driving the biodegradation reactions. Learn more
Maintaining the activity of these microbial populations is a daily challenge. The biomass can be altered, inhibited or destabilized by low quality or toxic matter, including:
• the presence of polluting chemicals (heavy metals, xenobiotic agents);
• imbalance of organic matter (carbon, nitrogen, phosphorous, etc.);
• increased oxygen concentration (methanogenesis) or a texture that prevents aeration (composting).
Micro-organismal stress or decreased metabolism can translate into decreased performance, which has a significant impact on productivity and yield.
Rapid microbiological analysis using ATPmetry provides the user with a reliable biological indicator for quickly and accurately quantifying the active biomass. Monitoring physico-chemical parameters is often insufficient to detect incipient biological shifts. Corrective measures are more effective if any loss in activity or in biomass can be identified early. With ATP 2G, users can stay one step ahead!
ATP 2G provides a clear advantage over the analyses that are traditionally used in composting or methanogenesis because the technology directly targets the micro-organisms of interest and not their physic-chemical environment.
In addition, the results are obtained quickly and directly on site. The user can quickly identify any biological shift within a facility, leading to increased responsiveness in decision-making and therefore also increasing the efficacy of corrective measures. With ATP 2G, the user takes control of the process and optimizes management of maintenance procedures.
Rapid microbiological analysis using ATP 2G provides the user with a relevant biological indicator that enables him or her to, for example:
• quantify the concentration of the active biomass during biodegradation (anaerobic digestion in a methanizer, alcoholic fermentation in a fermenter, aerobic maturation in a composter, etc.);
• continuously monitor the biological quality of organic matter using a jar-test assay conducted at the beginning of the process to detect any subsequent shift;
• guide biodegradation processes by monitoring biological activity and cell death via calculation of the BSI™ value (see below).
The Biomass Stress Index™ (BSI) is determined using samples of material in the process of decomposing.
This numeric indicator (given as a %), which corresponds to the proportion of extracellular ATP to total ATP, indicates the rate of cell death and stress in the active biomass. The higher the BSI value, the higher the rate of cell death and/or stress. Learn more
• the impact of an organic material on the biomass before adding it to the methanizer, fermenter or composter. A large input of toxic material or a significant change in the composition of the incoming waste often inhibits or even completely destroys an active biomass. The BSI value differentiates between problems with toxicity (high BSI) due to the presence of a harmful chemical agent or a loss of quality (low BSI) due to a nutritional imbalance or sudden changes in the culture conditions (temperature, pH, oxygen, salt, etc.). By studying the fermentability of waste samples in a preliminary assay (jar-test), the user can determine the volume of harmful waste that can be treated risk-free;
• the efficacy of aeration during composting or anaerobic conditions during methanogenesis and fermentation on the development of the active biomass. Equipped with this information, the user can then improve the performance of this parameter (homogeneity, efficiency, yield);
• the status of compost maturation: complete transformation into humic substances (which indicates compost maturity) is characterized by a decrease in the active biomass and an increase in the BSI (as cell death increases).
aqua-tools I&E recommends the QG21W™ rapid microbiological analysis kit for:
• Measuring the active biomass of organic matter in digesters, bioreactors, composters or composting heaps;
• Guiding biodegradation processes used in methanogenesis or composting.
• Biodegradation of waste: methanogenesis, composting, digestion, etc.
• Biofermentation of vegetable matter: butyric fermentation (silaging), lactic fermentation, alcoholic fermentation, acetic fermentation, etc.
• Biomass bio-production: yeast, lactic acid bacteria, algae, etc.
• Bio-purification of used water: activated sludges, bio-filters, bioreactors, etc.