Our society currently faces the twin challenges of resource depletion and waste accumulation leading to rapidly escalating raw material costs and increasingly expensive and restrictive waste disposal issue. A plethora of agricultural, aquaculture, food-processing and industrial activities generates enormous quantities of organic wastes and residues every year, the eco-friendly treatment of which constitutes a very important challenge of the society and the authorities. These types of wastes and residues include but are not limited to hydrophilic liquid or solid materials deriving from various food-processing facilities (i.e. sugar-rich wastewaters, expired sucrose-rich drinks, coffee wastes, etc.), hydrophobic residues/renewable materials (i.e. cooked/waste lipids, low-cost industrial fats, stearins, etc.), biodiesel-plant residues (mostly biodiesel-derived glycerol), lignocellulosic materials (i.e. woody biomass, grass, forestry and agricultural wastes, spent mushroom substrates, process waters rich in lignocellulosic sugars, etc.), low-purity sugars (i.e. unpurified xylose amenable to be converted into xylitol, very high polarity sucrose), aquaculture wastewaters, etc. (Koutinas et al. 2014; Coma and Chatzifragkou 2019; Dourou et al. 2020; Kothri et al. 2020).

中文翻译：

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来自废物和残留物的微生物产品

当前，我们的社会面临资源枯竭和废物积累的双重挑战，这导致原材料成本迅速上升，废物处理问题日益昂贵和限制。每年大量的农业，水产养殖，食品加工和工业活动产生大量的有机废物和残留物，对其进行生态友好的处理构成了社会和当局的一个非常重要的挑战。这些类型的废物和残留物包括但不限于来自各种食品加工设施的亲水性液体或固体物质（例如，富含糖的废水，过期的富含蔗糖的饮料，咖啡废物等），疏水性残留物/可再生材料（例如，煮熟/浪费的脂质，低成本的工业脂肪，硬脂精等），等。2014; 昏迷和Chatzifragkou2019; Dourou等。2020年；Kothri等。2020）。