2. Copper was reduced by formaldehyde which was contained in the effluent of chemical copper plating, and EDTA in the effluent was reclaimed after
acidify.
探讨了利用原化学镀铜废液中的甲醛将铜还原,后酸化回收EDTA的新工艺。
3. The results showed that caramel . pigment produced by liquefication of Termamyl,
acidify saccharification , ammoniacal catalyzing Maillard reaction had excellent quality and low cost .
结果表明:采用耐高温酶液化、酸糖化、氨水催化迈拉德反应,所得的焦糖色质量好,成本低。