graphic steps within established downstream processes would result in a significant decrease of overall production cost [4,5]. The concept of process intensification refers to any process adaptation or optimization that results in a less resource-intensive biomanufacturing scheme, including, but not limited to, lower water consumption, energy demand and environmental burden. This review will primarily focus on multifaceted approaches addressing process integration and intensification based on the utilization of non-traditional chromatographic or extractive methods, which include advances in bioprocess material development, hardware design and advantageous modes of operation. While adsorptive methods, such as chromatography, are widely used in industry as a key purification technology, liquid-liquid extraction technologies, such as aqueous twophase separation (ATPS) systems, are elegant emerging examples of process integration. In this technique, direct extraction of bioproducts from crude feedstocks can be accomplished by the use of two incompatible polymers or of a polymer and a salt in an aqueous environment. It is
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