Aloe vera plant offers a sustainable solution for the removal of various pollutants from water. Due to its chemical composition, Aloe vera has been explored as coagulant/flocculant and biosorbent for water treatment. Most of the used materials displayed significant pollutants removals depending on the used preparation methods. AV-based materials have been investigated and successfully used as coagulant/flocculant for water treatment at laboratory scale. Selected AV-based materials could reduce the solids (total suspended solids (TSS), suspended solids (SS), total dissolved solids (TDS), and dissolved solids (DS)), turbidity, chemical oxygen demand (COD), biochemical oxygen demand (BOD), heavy metals, and color, with removal percentages varied depending on the coagulant/flocculant materials and on the wastewater characteristics. In the same context, AV materials can be used as biological flocculant for wastewater sludge treatment, allowing good solid–liquid separation and promoting sludge settling. Moreover, using different methods, AV material-based biosorbents were prepared and successfully used for pollutants (heavy metal dyes and phenol) elimination from water. Related results showed significant pollutant removal efficiency associated with an interesting adsorption capacity comparable to other biosorbents derived from natural products. Interestingly, the enzymatic system of Aloe vera (carboxypeptidase, glutathione peroxidase, and superoxide dismutase) has been exploited to degrade textile dyes. The obtained results showed high promise for removal efficiencies of various kinds of pollutants. However, results varied depending on the methodology used to prepare the Aloe vera based materials. Because of its valuable properties (composition, abundance, ecofriendly and biodegradable), Aloe vera may be useful for water treatment.

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芦荟作为有前途的水处理材料：综述

芦荟植物提供了一种可持续的解决方案，用于去除水中的各种污染物。由于其化学成分，芦荟已被研究用作水处理的凝结剂/絮凝剂和生物吸附剂。取决于所使用的制备方法，大多数所使用的材料显示出显着的污染物去除效果。已经研究了基于AV的材料，并成功地将其用作实验室规模的水处理的凝结剂/絮凝剂。选定的基于AV的材料可以减少固体（总悬浮固体（TSS），悬浮固体（SS），总溶解固体（TDS）和溶解固体（DS）），浊度，化学需氧量（COD），生化需氧量（BOD），重金属和颜色，去除率取决于混凝剂/絮凝剂材料和废水特性。在相同的背景下，视听材料可以用作生物絮凝剂，用于废水污泥的处理，可以实现良好的固液分离并促进污泥沉降。此外，使用不同的方法，制备了基于AV材料的生物吸附剂，并将其成功用于去除水中的污染物（重金属染料和苯酚）。相关结果表明，与天然产物衍生的其他生物吸附剂相比，污染物去除效率高，吸附能力强。有趣的是，芦荟（羧肽酶，谷胱甘肽过氧化物酶和超氧化物歧化酶）已被用来降解纺织染料。获得的结果显示出对各种污染物的去除效率的高希望。然而，结果取决于用于制备基于芦荟的材料的方法而变化。由于其宝贵的特性（组成，丰度，生态友好和可生物降解），芦荟可用于水处理。