Circulating leaching device and leaching method for soil rubidium salt
A leaching and soil technology, applied in the field of cyclic leaching devices for soil rubidium salt, can solve the problems of residue in soil, waste of manpower, material resources, and financial resources, and achieve the effects of reducing dosage, avoiding waste, and improving purification efficiency
Pending Publication Date: 2020-12-15
承德石油高等专科学校
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Problems solved by technology
[0005] In China, the soil in some areas (mainly laterite) is rich in rubidium element, which has mining value. As an emerging soil rubidium extraction industry, in the rubidium salt leaching process, due to the adsorption of the soil itself, the leaching in industrial production The rubidium salt in the liquid does not meet the expected requirements, and most of it will remain in the soil, resulting in a great waste of manpower, material and financial resources, which is a technical problem that manufacturers cannot overcome
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[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0030] refer to figure 1 As shown, taking red clay as an example, the present invention claims a soil rubidium salt circulation leaching device, which includes n leaching stations, and each leaching station includes a leaching container 10 and is arranged inside the leaching container 10. The stirring device 11 of each leaching station is connected in series through a liquid transfer pipe 20, and each set of liquid transfer pipe 20 is provided with a liquid pu...
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The invention provides a circulating leaching device and a leaching method for soil rubidium salt. A plurality of leaching stations are arranged, and the circulating direction of a leaching solution is opposite to the circulating direction of slurry, so that a soil sample at each station is leached for a plurality of times; according to different designed station numbers, the content of the rubidium salt in the leaching solution is increased by a plurality of times compared with that of one-time leaching; and in a plurality of infiltration processes, waste of water resources is avoided. Meanwhile, the content of the rubidium salt in the final leaching solution is greatly increased, so that the consumption of chemicals in the purification process can be greatly reduced while the purification efficiency of the subsequent leaching solution is improved, and the circulating leaching device is more environment-friendly and efficient compared with one-time leaching.
Description
technical field [0001] The invention relates to the technical field of metallurgy and mineral extraction, in particular to a soil rubidium salt circulation leaching device and leaching method. Background technique [0002] The content of rubidium in the earth's crust is 5.1×10 -5 —3.1×10 -4 , ranking 16th in terms of element abundance. For a long time, it has been recognized that rubidium resources mainly occur in granite pegmatite, brine and potash deposits. People mainly develop and recover rubidium from granite pegmatite deposits, and the main industrial mineral is lepidolite. The rubidium content in lepidolite is about 3.75%, and the rubidium content in seawater is 0.12 g / ton, and many formation waters and salt lake brines also contain rubidium. [0003] Rubidium is between potassium and cesium. It is extremely active, silver-white waxy metal, soft and light. It will lose its metal color immediately when exposed to air, and it will be violently oxidized by oxygen, wh...
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Login to View More IPC IPC(8): C22B26/10C22B7/00
CPCC22B7/006C22B26/10Y02P10/20
Inventor 耿小丕杨瑞臣范志东
Owner 承德石油高等专科学校