求翻译：在对各种废水COD处理技术进行充分调研的基础上，结合废水组成及物性分析的结果，对可行的各种处理方法进行实验室探索性实验，考察各种方法对该废水的处理效果，综合比较各种方案，确定具有技术及经济优势的可行性技术方案。确定技术方案后，进行实验条件的参数优化，获得实验室规模上的最优条件参数。是什么意思？

For a variety of COD of wastewater treatment technology on the basis of a full investigation, composition and physical properties analysis of the results of combined wastewater, viable exploration of various treatment methods for laboratory experiments, examining various methods on the treatment of wastewater from effects, comprehensive comparison of various scenarios, determine the technical feasibility and economic advantages of the technology. Identify technology options, the to parameter optimization of experimental conditions, obtain optimal conditions on the laboratory scale parameters.