The global environmental concerns drive scientists all over the world to develop eco-friendly and sustainable alternatives to techniques and materials commonly used until now for water treatment applications. The relatively novel Additive manufacturing (AM) technology allows to process materials in a custom optimized, cost and time effective manner, while use of biobased materials minimizes the secondary pollution issue. Combining three-dimensional (3D) printing technology and biopolymer-based materials refines the water treatment industry, as it provides tailored water filtration systems easily available in the disadvantaged areas at low environmental impact and cost due to the raw materials’ bio-origin and abundance.

This review highlights the combination of various 3D printing techniques such as Fused deposition modelling (FDM), Direct ink wetting (DIW) and Stereolitography (SLA) with nature-derived biopolymers and biopolymer-based materials including chitosan, Polylactic acid (PLA), alginate and Cellulose acetate (CA) for their potential application within the water treatment industry with emphasis on oil separation and metal removal. Moreover, the environmental impact of the revised biopolymers is briefly discussed.

全球环境问题促使世界各地的科学家开发环保和可持续的替代技术和材料，以替代迄今为止普遍用于水处理应用的技术和材料。相对新颖的增材制造 (AM) 技术允许以定制优化、成本和时间有效的方式处理材料，同时使用生物基材料可最大限度地减少二次污染问题。结合 3D (3D) 打印技术和基于生物聚合物的材料改进了水处理行业，因为它提供定制的水过滤系统，由于原材料的生物来源和丰富性，它可以在低环境影响和低成本的不利地区轻松获得.

这篇综述重点介绍了各种 3D 打印技术的结合，如熔融沉积建模 (FDM)、直接墨水润湿 (DIW) 和立体光刻 (SLA) 与天然衍生的生物聚合物和基于生物聚合物的材料，包括壳聚糖、聚乳酸 (PLA)、海藻酸盐醋酸纤维素 (CA) 在水处理行业的潜在应用，重点是油分离和金属去除。此外，还简要讨论了修改后的生物聚合物对环境的影响。