Commercial Application of the Packaged Technology for Toluene Disproportionation and Transalkylation Passed Appraisal

“Development and commercial application of the packaged technology for toluene disproportionation and transalkylation” jointly undertaken by SINOPEC Shanghai Petrochemical Research Institute and Zhenhai Refining and Chemical Company had recently passed the technical appraisal organized by SINOPEC Science and Technology Development Division.

PE-INNER新型环保组合式水箱在二次供水改造中的应用指导

长期以来,城市供水屋顶水箱大多采用混凝土材质,其基本结构为敞开式外加普通顶盖,这种结构的水箱极易产生二次污染,造成水质不达标。PE-INNER新型环保组合式水箱是用PE内衬与原钢筋混凝土水箱组成的复合结构水箱,不会产生二次污染。其特点为重量轻、成本低、无污染、清洗方便、使用寿命长且改造便捷,对正常使用影响少。该文对该水箱在二次供水改造中的应用提出指导。