The development of a nanocolloidal graphene-derived material for water purification and remediation

Zenyatta Ventures Ltd.(Zenyatta)正在开发与火成岩相关的高纯度天然石墨的大型矿藏。**在石墨烯生产方面，较高质量的石墨提供了相对于其他公司的市场优势。为了**满足市场需求和扩大Zenyatta产品的适销性，该公司正在评估**新的大容量工业石墨烯应用。石墨烯用于水净化和**修复是这种材料的一个很有前途的应用。Zenyatta曾尝试将氧化石墨烯用于净水**，但到目前为止还没有成功。**拟议的研究项目旨在探索和开发石墨烯衍生材料，用于**净化重金属污染的水和废水修复。最近，申请人的**小组提出了一种由石墨烯量子点(GQD)和纤维素**纳米晶(CNCS)衍生的新的纳米胶体材料。这种材料在重金属离子净水方面具有许多优点，即**可持续性、无毒性、低成本、用于水和金属离子的传质的大且可调的孔径**以及可循环利用的能力。**本研究的关键部分包括：(I)从Zenyatta石墨制备GQD，**用氨基修饰GQD，并表征GQD的性质；(Ii)用醛基改性**Cnc表面和表征Cnc的性质；(Iii)GQD-Cnc水凝胶的制备和**表征；(4)GQD-CNC型水凝胶对重金属离子的清除效率研究。本提案中描述的项目将导致开发一种新的**技术，该技术将能够有效地净化重金属污染中的水并**修复废水，从而通过以下方式增强制造、许可和其他商业活动的潜力

Zenyatta Ventures Ltd. (Zenyatta) is developing a large deposit of igneous-related high-purity natural graphite.**The higher quality of graphite offers a market advantage over other companies in graphene production. In**order to satisfy market needs and expand the marketability of Zenyatta's products, the company is evaluating**new high-volume industrial graphene applications. The use of graphene for a water purification and**remediation is a promising application of this material. Zenyatta has attempted to use graphene oxide for water**purification, however to date it has not been successful.**The proposed research project aims at the exploration and development of graphene-derived material for the**purification of water from heavy metal contaminations and wastewater remediation. Recently, the applicant's**group has proposed a new nanocolloidal material derived from graphene quantum dots (GQDs) and cellulose**nanocrystals (CNCs). This material offers many advantages in water purification from heavy metal ions, i.e.,**sustainability, non-toxicity, low cost, large and tunable pore size for mass transport of water and metal ions,**and the capability to be recycled.**The key components of the proposed research include (i) the preparation of GQDs from Zenyatta graphite,**modification of GQDs with amino groups, and characterization of GQD properties; (ii) the modification of the**CNC surface with aldehyde groups and characterization of CNC properties; (iii) preparation and**characterization of GQD-CNC hydrogels; (iv) a study of the scavenging efficiency of the GQD-CNC hydrogels**for heavy metal ions. The project described in the present proposal will lead to the development of a new**technology that will enable effective purification of water from heavy metal contaminations and wastewater**remediation, thereby enhancing the potential for manufacturing, licensing and other commercial activities by