Superfine calcium carbonate recovery treatment system

Through real-time data monitoring and multi-module collaborative control, the ultrafine calcium carbonate recovery and processing system achieves dynamic regulation of particle surface energy and charge, solving the problems of unstable dispersion and membrane fouling in the ultrafine calcium carbonate recovery process in existing technologies, and improving separation efficiency and system robustness.

CN120662225APending Publication Date: 2025-09-19LUNTAIHE NEWKO DRILLING ENGINEERING TECHNOLOGY SERVICES CO LTD

Patent Information

Application Number
CN202510597923.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2025-09-19

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Abstract

The invention discloses a superfine calcium carbonate recovery treatment system, and relates to the technical field of industrial solid waste resource utilization. The problems of aggravation of secondary agglomeration, deterioration of dispersion stability and attenuation of separation efficiency caused by surface energy imbalance, charge response delay, hydroxyl distribution disorder and filter cake densification in the prior art are solved; comprising a data monitoring module, a surface energy homogenization module, a dynamic carbonization regulation and control module, a hydration structure directional reconstruction module and a charge gradient screening module, high-energy site adsorption difference is compensated and eliminated through bimolecular layer crystal face energy, and a dispersant is driven to dynamically adapt to zeta potential oscillation based on a potential coupling algorithm. A multilayer hydration barrier is reconstructed through hydrogen bond topological optimization, and a filter cake pore structure is reconstructed through cooperation of an alternating electric field and ultrasonic pulse stress release; according to the method, the dispersion stability and the recovery efficiency of the superfine calcium carbonate are remarkably improved, and full-chain cooperative control of surface chemical homogenization, reaction interface stabilization and separation process enhancement is realized.
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Citation Information

Patent Citations

  • Method for producing calcium carbonate by using calcium carbide slag and low concentration carbon dioxide-containing waste gas as raw materials

    CN101967001A

  • Ultra-fine calcium carbonate preparation method

    CN1038578C

  • Method and system for treating wastewater generated during production of high-purity ultrafine modified calcium carbonate

    CN107540161A

  • Filtering device for producing superfine calcium carbonate

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