This study focuses on the separation of ultrafine titanium dioxide ptotocatalyst from its aqueous suspensions and its reuse by crossflow ultrafiltration process.
研究表明超滤用于悬浮光催化体系的固液分离及催化剂再用是可行的。
Recovery of terephthalic acid from alkali amountreduction wastewater was obtained,and effect of acidification process on the character of terephthalic acid and the reuse of terephthalic acid was investigated.
从碱减量废水中回收对苯二甲酸,分析酸析工艺条件对回收产品的性能影响因素趋势;将得到的回收产品资源再用,作为原料制备聚酯涂膜,因回收产物纯度低于正规产品,试验加入甘油进行共聚合改性。
The article includes two parts respectively about recovery and reuse.
本文分成“回收资源”和“资源再用”两部分。
Production of OE yarn with Reprocess Fibre;
利用再用纤维加工转杯纱