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Bittern and brine simulated salt blending method

A technology for compounding salt and brine, applied in the field of salt lake investigation, can solve problems such as incompatibility of salt compounds, and achieve the effects of strong applicability, convenient salt compounding, and strong practicability

Pending Publication Date: 2021-02-09
QINGHAI QAIDAM COMPREHENSIVE GEOLOGICAL & MINERAL EXPLORATION INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, if the compound after brine simulates salt complexation is not naturally evaporated, crystallized or precipitated i

Method used

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  • Bittern and brine simulated salt blending method
  • Bittern and brine simulated salt blending method
  • Bittern and brine simulated salt blending method

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Embodiment Construction

[0058] The technical solutions of the present invention will be further described in detail below in conjunction with the embodiments.

[0059] According to the simulated salt blending process of the technical solution of the present invention, the chloride-type brine in the Qaidam Basin was simulated salt blended, and the specific data are shown in Table 1.

[0060] Table 1: Examples of simulated salt formulation for chloride-type brine

[0061]

[0062]

[0063] Remarks: 1. First convert the concentration value of each ion in the brine into a percentage mass fraction according to the density of the brine, and then configure it into a salt compound according to the above-mentioned salt compounding process. 2. B2O3 adopts capacity analysis and does not need to mix salt.

[0064] Simulate the basic sequence of salt complexation

[0065] Most of the brines in the Qaidam Basin are chloride-type brines and sulfate-type brines, and carbonate-type brines are widely distribut...

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Abstract

The invention discloses a bittern and brine simulated salt blending method, which belongs to the technical field of salt lake investigation, and comprises chloride type brine simulated salt blending and sulfate type brine simulated salt blending. According to the salt blending method, the solubility of easily-dissolved salt substances and the solubility product of indissolvable salt compounds arefully considered, a simulated salt blending scheme determined by combining the actual salting-out sequence of a natural evaporation experiment is adopted, salt blending is convenient, and applicability is high. In recent years, hundreds of millions of tons of salt resources provided for the country by the Qaidam Basin are basically configured and calculated according to the method. The method disclosed by the invention has the characteristic of strong practicability and is suitable for popularization and application.

Description

technical field [0001] The invention belongs to the technical field of salt lake investigation and relates to a simulated salt compounding method for brine and salt water. Background technique [0002] Most of the brines in Qaidam Basin are chloride type brines and sulfate type brines, and the elements in the brines exist in the form of ions or complexes. Compounds do not actually exist in brine. In order to meet the needs of the development and utilization of brine and its utilization rate and recovery rate, it is generally necessary to simulate salt complexation for each ion in brine. Theoretical simulated salt complexation is based on the combination of the salt formation law and order of each compound in the natural evaporation experiment and the solubility of each compound. The compound after salt compounding may not be consistent with the compound precipitated after the manual intervention of various enterprises. The results after simulated salt complexation should b...

Claims

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Application Information

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IPC IPC(8): G16C20/10
CPCG16C20/10
Inventor 李海明靳芳李得刚曹红杰马成冰祝云军王洪彬肖玉萍李洪普
Owner QINGHAI QAIDAM COMPREHENSIVE GEOLOGICAL & MINERAL EXPLORATION INST