Apparatus and method for treating alkaline water
Реферат: A method of treating alkaline water comprises the steps of introducing water into a first compartment (1), bubbling carbon dioxide into the water in the first compartment (1), causing solids to precipitate, transferring water with solids that have precipitated into a second compartment (2), separating, in the second compartment (2), solids that have precipitated from the water, the separated solids being at least in part introduced into the first compartment as seed crystals, transferring water from which solids have been separated to a third compartment (3), bubbling carbon dioxide into the water in the third compartment to reduce the pH of the water, and removing water from the third compartment (3), the pH of the water removed from the third compartment (3) being lower than the pH of the water in the second compartment (2). The compartments are preferably provided in a single portable unit.
Method and equipment for removing arsenic from arsenic-containing waste acid, method and equipment for treating arsenic slag, and method and equipment for treating waste acid
Номер патента: CN113501597A. Автор: 王新民,王贺平,袁俊智,孙殿强,董立伟,吴稳柱,赵雅卿,李昆洋,金蔚. Владелец: Baotou Zhenxiong New Material Technology Co ltd. Дата публикации: 2021-10-15.