Enhancing dewatering, drying, combustion and utilization of pulp and paper mill biosludge

加强制浆造纸厂生物污泥的脱水、干燥、燃烧和利用

基本信息

批准号：
500952-2016
负责人：
Allen, DGrant
金额：
$ 11.88万
依托单位：
University of Toronto
依托单位国家：
加拿大
项目类别：
Collaborative Research and Development Grants
财政年份：
2019
资助国家：
加拿大
起止时间：
2019-01-01 至 2020-12-31
项目状态：
已结题

来源：
https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=693931
关键词：
Enhancing dewatering drying combustion utilization

项目摘要

Canadian pulp and paper mills generate more than 20 million cubic metres of raw biosludge per year. Biosludge is generated during biological wastewater treatment and consists to >98% of water with the remainder being bacteria and tree residues. Energy intensive dewatering can decrease the water content to 60 - 80%, at which the sludge is either being landfilled, incinerated in biomass boilers, or land-applied. Regardless of the disposal option selected, the processing, chemical and energy costs are substantial as are the opportunities to reduce their environmental footprint.In order to remain competitive on the global market and to meet increasingly stringent environmental regulations, Canadian mills need to be provided with methods and strategies for a more cost and energy effective management of biosludge, while minimizing the mills' environmental footprint. This 4-year collaborative research and development program is aimed at developing methods for cost effective dewatering, drying, combustion and utilization of mill biosludge. The research will be conducted at the University of Toronto as well as with Laurentian University starting the Fall of 2016 through support from NSERC and seven Canadian pulp and paper related companies.The proposed research program consists of four main tasks, each involving two or more projects. It will be led by Professor Grant Allen and seven other professors from the University of Toronto, Laurentian University, and McGill University. The research program will train 15 graduate students, and at least 8 undergraduate students in Canada. Successful completion of the program will lead to the development of intellectual property and new technologies that can be commercialized, and provide Canadian pulp and paper mills with tools and guidelines for cost effective sludge management.

加拿大纸浆和造纸厂每年产生超过 2000 万立方米的生生物污泥。生物污泥是在生物废水处理过程中产生的，其中 98% 以上是水，其余是细菌和树木残留物。能源密集型脱水可将含水量降低至 60 - 80%，此时污泥可以被填埋、在生物质锅炉中焚烧或土地利用。无论选择哪种处置方案，加工、化学品和能源成本都很高，减少环境足迹的机会也很大。为了在全球市场上保持竞争力并满足日益严格的环境法规，加拿大工厂需要提供更有效地管理生物污泥的方法和策略，同时最大限度地减少工厂的环境足迹。这项为期 4 年的合作研究和开发计划旨在开发具有成本效益的工厂生物污泥脱水、干燥、燃烧和利用方法。该研究将于 2016 年秋季开始在多伦多大学以及劳伦森大学进行，得到 NSERC 和七家加拿大纸浆和造纸相关公司的支持。拟议的研究计划由四项主要任务组成，每个任务涉及两个或更多项目。该项目将由格兰特·艾伦教授和来自多伦多大学、劳伦森大学和麦吉尔大学的其他七名教授领导。该研究项目将在加拿大培养15名研究生和至少8名本科生。该计划的成功完成将带来可商业化的知识产权和新技术的开发，并为加拿大纸浆和造纸厂提供具有成本效益的污泥管理的工具和指南。