SBIR Phase II: Effective Treatment of Groundwater Pollution Using a System Utilizing Controlled Release Polymer Materials

这个小企业创新研究（SBIR）第二阶段项目将试点现场测试控释聚合物（CRP）作为原位化学氧化（ISCO）修复材料。通过控制氧化剂有效载荷的时间释放，CRPs技术可以在更长的时间内处理污染水，消除污染物反弹的发生，从而缩短总体清洁时间和总成本。ISCO是地下污染物修复技术中发展最快的领域。目前的商业ISCO部署方法利用液体氧化剂作为具有短期反应性（天）的试剂。为了解决污染物反弹，这些可注射制剂需要昂贵的再注射。该项目将产生一种对环境无害的新型产品，并通过一次应用在延长的治疗期（数月至数年）内实现氧化剂的持续释放。CRPs是一种新技术，为14亿美元的化学处理修复市场提供了高度可调的修复修正。最终，CRPs为基础的治疗将减少暴露于地下水污染物已知造成许多人类健康disorders.The第二阶段的研究项目的技术目标将是现场测试CRPs专利，控制释放聚合物技术的污染地下水原位化学氧化。 为了支持田间试验，将开发第I阶段中确立的初始最小可行产品的中试规模生产工艺。可制造性将在产品质量和稳定性、产量和成本方面进行测试。将生产基于多种氧化剂的CRP配方，以解决广泛的环境污染物，包括氯化溶剂，BTEX（苯/甲苯/二甲苯/二甲苯），PAH（多环芳烃），MTBE（甲基叔丁基醚）和石油烃。CRP将在两个受影响土壤和地下水的现场进行试点测试。将测量氧化剂输送和污染物降解的速率和持续时间。特别是，试点现场测试将评估CRP消除反弹的能力。现场数据和计算建模将用于创建补救设计工具，以规定未来的CRP给药部署策略。总的来说，这个第二阶段计划将使人们对CRP技术的现场性能有一个清晰的了解，以指导未来的全面部署和市场吸收。这个奖项反映了NSF的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

This Small Business Innovation Research (SBIR) Phase II project will pilot field test controlled release polymers (CRPs) as an in situ chemical oxidation (ISCO) remediation material. With a controlled time release of the oxidant payload, the CRPs technology treats contaminated water over longer periods eliminating the occurrence of contaminant rebound resulting in overall shorter cleanup time and total cost. ISCO is the fastest growing field among sub surface contaminant remediation technologies. Current commercial ISCO deployment methods utilize liquid oxidants as reagents which possess short term reactivity (days). To address contaminant rebounding, these injectable formulations require costly re-injections. This project would result in a novel product that is environmentally benign and achieves sustained release of oxidative agents over extended treatment periods (months to years) with a single application. CRPs are a novel technology, offering a highly tunable remediation amendment for the $1.4B Chemical Treatment Remediation Market. Ultimately, CRPs based treatments will decrease exposure to groundwater contaminants known to cause many human health disorders.The technical objectives in this Phase II research project will be to field test CRPs patented, controlled release polymer technology for in situ chemical oxidation of contaminated groundwater. To support field testing, a pilot scale manufacturing process for the initial minimum viable product established in Phase I will be developed. Manufacturability will be tested in terms of product quality and stability, throughput, and cost. CRPs formulations based on multiple oxidants, will be manufactured to address a broad range of environmental contaminants including chlorinated solvents, BTEX (benzene/toluene/ethylbenzene/xylene), PAH (polycyclic aromatic hydrocarbons), MTBE (methyl tert-butyl ether), and petroleum hydrocarbons. CRPs will be pilot tested at two field sites with impacted soil and groundwater. The rate and duration of oxidant delivery and contaminant degradation will be measured. In particular, pilot field testing will assess the ability of CRPs to eliminate rebounding. Field data and computation modeling will be used to create a remediation design tool to prescribe future CRP dosing deployment strategies. Collectively, this Phase II program will result in a clear understanding of in-field performance of the CRPs technology to guide future full scale deployment and market uptake.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.