现在被广泛采用的环氧乙烷水解生产乙二醇的工艺会伴生一定量的醛类物质，虽然经多步精制提纯，乙二醇最终产品中仍含有微量的醛，而醛含量是乙二醇产品的一项重要质量指标。至此在由扬子石化提出后，我公司进行产品的研发及试验，扬子石化负责进行树脂脱醛性能的评价，双方共同研制成功了YJ-1乙二醇脱醛催化剂树脂，其脱醛性能达到了国外同类产品的指标要求，在2002年11月28日通过了中国石化股份有限公司的产品鉴定并陆续在中石化、中石油乙二醇装置上广泛应用。
Ethylene oxide hydrolysis is widely used to manufacture ethylene glycol (MEG). During the manufacturing process, some impurities, such as aldehydes, are produced. Even after several times of rectification, there are still some aldehyde residues in the final MEG product. These aldehyde residues affect the quality and limit the Meg's applications.So that, Suqing Group and Yangzi Petrochemical jointly developed YJ-1 aldehyde removal resin specific for ethylene glycol. On Nov 28 of 2002, YJ-1 passed the new product appraisal presided by Sinopec Co., Ltd. Since then, YJ-1 is widely used by the manufacturers of MEG in China.
树脂的物化性能指标(Physical and Chemical Properties)
|
项目 |
指标 |
|
质量全交换容量(Mass Capacity)≥ |
4.8 |
|
含水量(Water Retention)%≤ |
3(干剂，Dry) |
|
湿视密度(Bulk Density)g/ml |
0.75-0.80 |
|
堆积密度(Bulk Density Dry)g/ml |
0.5-0.6 |
|
耐磨率(Percentage on 100 mesh net after wearing) ≥ |
90 |
|
粒度范围(Particle Size)% |
(0.4-1.25mm)≥95 |
|
比表面积(Surface Area)m2/g |
45-60 |
|
平均孔径(Average Pore Diameter)nm |
12-30 |
|
乙二醇中膨胀率% |
70-90 |
|
溶解性(Solubility) |
不溶于水和任何有机溶剂和酸碱 |
企业标准(Enterprise Standard)
Q/320281NAN 14-2019
树脂再生方法(Regeneration Method)
YJ-1乙二醇脱醛专用树脂对乙二醇脱醛效果非常好，醛去除率可以稳定在90%以上，使用寿命一般2-3年，不需要再生。
YJ-1 Aldehyde removal resin has a very high aldehyde removal efficiency. The Aldehyde removal percentage could be sustained over 90%. The life time of this resin is usually 2-3 years. No regeneration is needed.
包装(Packing)
25Kg、25L编织涂膜袋，或1立方大包。
25Kg, 25L woven coating bag, or 1 cubic bag.
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