SBIR Phase I: Improved Mixed Oxide Catalysts for Treatment of Offgas Removal of NOx

* 9760050 Witteles 小型企业创新研究第一阶段项目将开发铁/铬/锌/铜的混合氧化物和/或超晶格作为高温燃烧过程废气中NOx破坏的选择性催化剂：MLLW，发电厂，工厂，汽车。 这种改进的催化剂将取代用于固定应用的更昂贵、效率较低的氧化钒/二氧化钛催化剂和用于机动车辆的耐用性较低、效率较低的沸石-铜催化剂。 这种催化剂，由DOE从前苏联进口，用于在MLLW中的等离子体电弧工艺中的废气NOx的破坏评估，被证明比氧化钒/二氧化钛更有效。 我们将通过使用我们专有的WIT-TIFIDTM沉积工艺及其优越的上级性能，引入一种新的混合氧化物沉积工艺，从而提高催化剂的还原性能和效率。 此外，我们将研究用超晶格结构的氧化物代替混合氧化物以获得更均匀/均匀涂层的可行性。 将评估这两种结构的优点/缺点。 在第二阶段，将生产混合氧化物和/或超晶格催化剂，并进行实验室台架测试和评估。 在第三阶段，我们将在MLLW、发电厂和汽车中测试我们的催化剂。 该计划目标的实现将促进混合低放废物场地（MLLW）、固定污染物（发电厂和工厂）和移动的污染物（机动车辆），通过提供更有效、更耐用、更便宜的用于破坏氮氧化物的选择性还原催化剂，在上述工业的高温燃烧过程中产生的有害污染物。 ***

*** 9760050 Witteles The Small Business Innovative Research Phase I project will develop a mixed oxide and/or superlattice of iron/chromiun/zinc/copper as a selective catalyst for destruction of NOx, in offgas of high temperature combustion processes: MLLW, power plants, factories, automotive vehicles. This improved catalyst will replace more expensive, less efficient vanadia/titania catalysts used for stationary applications and less durable, less effective zeolitic-copper catalysts used in automotive vehicles. Such a catalyst, imported by DOE from the Former Soviet Union, evaluated for destruction of the offgas NOx in the Plasma Arc Process in MLLW, was shown to be more effective than vanadia/titania. We will improve the reduction properties and efficiency of the catalyst by introducing a novel deposition process for the mixed oxides through use of our proprietary WIT-TIFIDTM deposition process and its superior properties. In addition we will investigate the feasibility of replacing the mixed oxides with a superlattice structure of the oxides for a more homogeneous/uniform coating. 'Me advantages/disadvantages of the two structures will be evaluated. During Phase II mixed oxides and/or superiattice catalysts will be produced and a laboratory bench test will be tested and evaluated. During Phase III we will test our catalysts in MLLW, power plants and automotive vehicles. The accomplishment of the goals set in this program will advance the efforts on behalf of environmental management of mixed low level waste sites (MLLW), stationary pollutants (power plants and factories) and mobile pollutants (automotive vehicles), by providing for a more effective, more durable, less expensive selective reduction catalyst for the destruction of oxides of nitrogen, an objectionable pollutant produced in high temperature combustion processes in the above mentioned industries. ***