A method for simulating chemical equilibria of soil salt ions

By constructing a database of chemical reaction parameters and a simulation model, the problem of identifying different forms of salt ions in soil was solved, enabling the simulation of chemical equilibrium of salt ions and the determination of remediation measures, thus improving remediation efficiency.

CN115862755BActive Publication Date: 2026-05-01BEIJING HUANENG CHANGJIANG ENVIRONMENTAL PROTECTION TECH RES INST CO LTD +2
2 Cites 1 Cited by

Patent Information

Application Number
CN202211465020.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-22
Publication Date
2026-05-01
Estimated Expiration
2042-11-22

AI Technical Summary

Technical Problem

Existing technologies cannot effectively identify the presence and chemical composition of different forms of salt ions in soil, affecting soil properties and plant and animal growth, and lack remediation measures targeting different salt ion compositions.

Method used

By constructing a database of chemical reaction parameters, calculating ion activity, and building simulation models for precipitation-dissolution reactions and complexation-cation exchange reactions, the chemical reactions and forms of salt ions in soil are simulated, including the chemical equilibrium simulation of calcium ions, magnesium ions, potassium ions, sodium ions, carbonate ions, sulfate ions, bicarbonate ions, and chloride ions.

Benefits of technology

It enables the simulation of chemical equilibrium of salt ions in soil, determines the content of different chemical components, provides remediation measures for different forms of salt ions, and improves remediation efficiency.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The embodiment of the application provides a chemical equilibrium simulation method for soil salt ions, comprising: acquiring multiple ion data of parameters associated with a chemical equilibrium simulation process of salt ions and constructing a chemical reaction parameter database; and calculating ion activity and constructing a chemical solving model, wherein the chemical solving model comprises a precipitation-dissolution reaction simulation model and a complexation reaction-cation exchange simulation model, one chemical solving is completed by sequentially solving the precipitation-dissolution reaction simulation model and the complexation reaction-cation exchange simulation model; setting initial conditions and termination conditions of iterative operation of the chemical solving model, inputting parameter data into solving, taking a concentration difference of multiple ions after adjacent two chemical solvings as an external loop control standard epsilon, judging whether to enter next chemical solving iteration or outputting a simulation result to obtain a precipitated chemical component content, a complexed chemical component content and an exchanged chemical component content of the salt ions in the soil.
Need to check novelty before this filing date? Find Prior Art