The development history of powder coatings was introduced.The coating technology and development trend of powder coatings were summarized.
The preparation of iron oxide yellow seed from ferrous sulfate in iron yellow process wastewater was studied.The results showed that the ferrous hydroxide concentrate obtained from the precipitation and concentration of ferrous sulfate in the iron yellow process wastewater could prepare iron oxide yellow seed in the ferrous sulfate solution system and be oxidized to qualified iron yellow pigment.
As a classical water treatment technology,micro-electrolysis technology has the advantages of wide application range,strong stability and low operating cost.It is highly concerned by relevant researchers.The principle and mechanism of micro-electrolysis technology were briefly introduced.The water quality characteristics of dye wastewater,printing and dyeing wastewater,pharmaceutical wastewater,etc.were analyzed.The research and application of micro-electrolysis technology in these industrial wastewater treatment were summarized.Finally,the advantages and disadvantages of micro-electrolysis technology were discussed.
1.光敏染料分子与层状无机物杂化体系中的共振能量转移 布伊达克·尤拉伊(斯洛伐克,布拉迪斯拉发,科摩罗大学自然科学学院物理与理论化学系) Structure and Bonding(Berin, Germany) (Dyes and Photoactive Molecules in Microporous Systems), 2020(183):205-250(英文)
