Fuente: WIPO "circular economy" AN ON-SITE MODULAR SYSTEM FOR PROCESSING AND TRANSFORMING ANIMAL WASTE AND A PROCESS AND USES THEREOF The present invention relates to an on-site modular system for processing and transforming animal waste. The present invention also relates to a process for transforming animal waste in situ using said on-site modular system. The present invention further relates to the uses and derived advantages in terms of farm greenhouse gas emissions management and agricultural or natural soil amendments of a processed rich-nutrients biologically absorbable nitrogen-rich phosphorus-rich potassium-rich liquid microalgae culture fraction obtained with the process of the invention. Besides, the invention further relates to the uses as recycler of toxic or contaminants in animal waste farm and/or for animal feed of a processed rich-carbon solid inactivated microalgae culture fraction obtained with the process of the invention.