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Preparation method of calcium hydroxide
The invention discloses a preparation method of calcium hydroxide. According to the preparation method, quick lime is in contact with a digestion solution for a digestion reaction, and the digestion solution comprises water and an additive; the additive comprises an ionic surfactant, a nonionic surfactant and a dispersing agent. The preparation method of the high-activity calcium hydroxide is simple in process, low in cost and environmentally friendly, the sulfur capacity of the reaction of the obtained calcium hydroxide and sulfur dioxide is 80 mg/g or above, and the preparation method can be applied to the fields of dry flue gas purification and other calcium hydroxide utilization.
本发明公开了一种氢氧化钙的制备方法。本发明的制备方法使生石灰与消化溶液接触进行消化反应，所述消化溶液包含水和添加剂；所述添加剂包含：离子型表面活性剂、非离子型表面活性剂和分散剂。本发明的高活性氢氧化钙的制备方法，其工艺简单、成本低、环境友好、得到的氢氧化钙与二氧化硫反应的硫容为80mg/g以上，可用于干法烟气净化及其余氢氧化钙利用领域。
Preparation method of calcium hydroxide
The invention discloses a preparation method of calcium hydroxide. According to the preparation method, quick lime is in contact with a digestion solution for a digestion reaction, and the digestion solution comprises water and an additive; the additive comprises an ionic surfactant, a nonionic surfactant and a dispersing agent. The preparation method of the high-activity calcium hydroxide is simple in process, low in cost and environmentally friendly, the sulfur capacity of the reaction of the obtained calcium hydroxide and sulfur dioxide is 80 mg/g or above, and the preparation method can be applied to the fields of dry flue gas purification and other calcium hydroxide utilization.
本发明公开了一种氢氧化钙的制备方法。本发明的制备方法使生石灰与消化溶液接触进行消化反应，所述消化溶液包含水和添加剂；所述添加剂包含：离子型表面活性剂、非离子型表面活性剂和分散剂。本发明的高活性氢氧化钙的制备方法，其工艺简单、成本低、环境友好、得到的氢氧化钙与二氧化硫反应的硫容为80mg/g以上，可用于干法烟气净化及其余氢氧化钙利用领域。
Preparation method of calcium hydroxide
一种氢氧化钙的制备方法
YOU CHANGFU (author) / HAN YUJIN (author)
2023-12-05
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Preparation process of calcium hydroxide and calcium hydroxide product
| European Patent Office | 2022