STTR Phase I: Active Fouling Resistant Nanofiltration and Reverse Osmosis Membranes

STTR 第一阶段：主动防垢纳滤和反渗透膜

• 批准号: 0637664
• 负责人: Yingjie Qin
• 金额: $ 15万
• 依托单位: Chembrane Research and Engineering Inc
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2007
• 资助国家: 美国
• 起止时间: 2007-01-01 至 2007-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0637664&HistoricalAwards=false
• 关键词: STTR; Phase; Active; Fouling; Resistant

The Small Business Technology Transfer Research (STTR) Phase I project will develop active, fouling resistant nanofiltration (NF) and reverse osmosis (RO) membranes. Commercially available NF and RO membranes for desalination of brackish water will be surface modified by graft polymerization of nanolayers. Thus, the modified membranes will possess excellent antifouling properties, and will be easily cleanable, without the use of harsh chemicals. The modification of membranes will have minimal impacts on permeate flux and salt rejection. Thus, the proposed technology presents a new way to overcome membrane fouling, one of the biggest problems in many water treatment processes. The proposed innovation is a membrane improvement based upon commercially available products. The membrane modification will not add significantly to the membrane processing cost or to the final product cost. Meanwhile, membrane manufacturers can use their current membrane casting equipment with little, if any, modification. As water shortages grow worse in the Western US and worldwide, and wastewater treatment requirements increasing, the proposed surface-modified, fouling-resistant membranes will have broad economic and social impacts.

小企业技术转让研究（STTR）第一阶段项目将开发活性、耐污染的纳滤（NF）和反渗透（RO）膜。用于苦咸水脱盐的市售NF和RO膜将通过纳米层的接枝聚合进行表面改性。因此，改性的膜将具有优异的耐腐蚀性，并且将易于清洁，而不使用刺激性化学品。膜的改性将对渗透通量和盐截留率具有最小的影响。因此，所提出的技术提供了一种克服膜污染的新方法，膜污染是许多水处理工艺中最大的问题之一。 所提出的创新是基于市售产品的膜改进。膜改性不会显著增加膜处理成本或最终产品成本。同时，膜制造商可以使用他们目前的膜浇铸设备，几乎没有修改。 随着美国西部和世界范围内水资源短缺的加剧，以及废水处理要求的增加，所提出的表面改性的抗污染膜将产生广泛的经济和社会影响。