Abstract
Publisher Summary This chapter focuses on the seeding process for aerobic microbial granules. Microbial granulation is a process exploited in biological wastewater treatment whereby bacteria are organized into highly structured suspended granules that are capable of removing biodegradable organic matter, nitrogen, and phosphorus. The addition of previously grown microbial biomass as starter culture is a common approach in wastewater treatment plants to start up the conventional activated sludge and anaerobic digestion processes after technological accidents or process failure. Therefore, similar approach can be used to start up the process with granulated microbial biomass. There are some known commercial application of the granules as the seeds to upgrade or initiate wastewater treatment, for example, product ARGUS consisting of granules used as seeds for biological treatment of wastewater from chemical, pharmaceutical, and food industries, as well as oil refineries, landfills, pig, and poultry farms in cases that existing treatment plant is not working properly and should be upgraded and in new plants for the treatment of complex and toxic chemicals. Studies also suggest that it is better for stable wastewater treatment process to use particles from disrupted granules as the seeds to ensure their further growth to matured and stable granules.
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