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Shtang built a WWTP based on ground-breaking technolgy: MSBS (Multi-Stage Biological System) process. This process is based on the generation of a hierarchy of bacterial colonies and micro-organisms that in turn create a food-chain sequence in which elite organisms feed off of inferior ones, which develop at an earlier stage of the food chain.
In the bioreactor both aerobic and anoxic processes take place simultaneously and in controlled conditions that lead to an 80% reduction in the amount of excess sludge compared with the conventional activated sludge process.
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