Production of water soluble products from tall oil lignin

从妥尔油木质素生产水溶性产品

• 批准号: 517778-2017
• 负责人: Fatehi, Pedram
• 金额: $ 4.44万
• 依托单位: Lakehead University
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2020
• 资助国家: 加拿大
• 起止时间: 2020-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=696480
• 关键词: Production; water; soluble; products; tall

In this collaborative project, Dr. Fatehi of Chemical Engineering Department at Lakehead University along with Mr. Kelertas and Mr. Dokis of Resolute Forest Products will investigate the production of flocculants from lignin that is extracted from the tall oil production process of the Resolute Forest Products mill in Thunder Bay, ON. In tall oil production process, crude tall oil is produced via acidulation of tall oil soap that is separated from black liquor of the kraft pulping process. Lignin and spent acids are the by-products of the tall oil production process. They are sent back to the evaporators of the kraft process and mixed with black liquor for burning. In this proposed CRD project, the opportunities for producing flocculants from lignin of the tall oil process is evaluated. Various innovative pathways will be examined to produce flocculants from lignin and the most compatible process with the tall oil production process will be evaluated in detail for facilitating its adaptation and commercialization in the kraft process. The produced flocculants are proposed to be used in water and wastewater purification of the mill (i.e., internal uses) as well as in municipal wastewater, thickeners and waste treatment facilities of the mining industry (i.e., external uses). Dr. Fatehi and Resolute's staff will collaborate closely on a bimonthly basis so that the developed technology can be adapted and practically implemented into the existing facilities of Resolute's mill in Thunder Bay. This new process will assist Resolute's mill in increasing its revenues and reducing its overall operation costs. Meanwhile, it will enable Dr. Fatehi to investigate the fundamentals associated with the application of lignin-based flocculants in wastewater systems and to be the pioneer in developing lignin-based value-added products. The production of lignin-based flocculants is a pathway to establish kraft-based biorefinery, which will increase and diversify the revenues of kraft pulp mills across Canada.

在这个合作项目中，湖首大学化学工程系的 Fatehi 博士与 Resolute Forest Products 的 Kelertas 先生和 Dokis 先生将研究从 Resolute Forest Products 的妥尔油生产过程中提取的木质素生产絮凝剂的过程位于安大略省桑德贝的工厂。 在妥尔油生产过程中，粗妥尔油是通过从牛皮纸制浆工艺的黑液中分离出来的妥尔油皂酸化而生产的。木质素和废酸是妥尔油生产过程的副产品。它们被送回牛皮纸工艺的蒸发器并与黑液混合进行燃烧。在这个拟议的 CRD 项目中，评估了从妥尔油工艺中的木质素生产絮凝剂的机会。将研究从木质素生产絮凝剂的各种创新途径，并将详细评估与妥尔油生产工艺最相容的工艺，以促进其在硫酸盐法工艺中的适应和商业化。生产的絮凝剂拟用于工厂的水和废水净化（即内部使用）以及城市废水、采矿业的浓缩机和废物处理设施（即外部使用）。 Fatehi 博士和 Resolute 的员工将每两个月密切合作一次，以便开发的技术能够适应并实际应用到 Resolute 桑德贝工厂的现有设施中。这一新工艺将帮助 Resolute 工厂增加收入并降低总体运营成本。同时，它将使 Fatehi 博士能够研究与木质素絮凝剂在废水系统中应用相关的基础知识，并成为开发木质素增值产品的先驱。木质素絮凝剂的生产是建立硫酸盐生物精炼厂的一条途径，这将增加加拿大各地硫酸盐纸浆厂的收入并使收入多样化。