A method for predicting total amount of combustible components of aged refuse based on landfill unit layering

By identifying landfill platforms and conducting layered and zoned borehole sampling, combined with volume-weighted calculations, the problem of accurately estimating the total amount of combustible components in old landfills was solved, providing a scientific basis for remediation design and improving the accuracy and reliability of engineering decisions.

CN122412752APending Publication Date: 2026-07-17YUNNAN DESIGN INST GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YUNNAN DESIGN INST GRP CO LTD
Filing Date
2026-06-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the early stages of remediation of old landfills, how can we accurately estimate the total amount of combustible components for different landfill platforms and the whole under conditions of no excavation and no sorting, take into account the spatial heterogeneity of the landfill, solve the error problems of traditional empirical methods and single-point sampling methods, and meet the needs of engineering decision-making?

Method used

By identifying landfill platforms, performing layered and zoned borehole sampling, and combining volume-weighted calculations, the total amount of combustible components in the pile is predicted. The cross-sectional discrete integral method is used to calculate the volume of waste and the proportion of combustible components, and the total mass of combustible components is calculated by combining density measurements.

Benefits of technology

It significantly improves the accuracy and reliability of total combustible component estimation, directly serving the estimation of incineration scale and investment, and providing a scientific basis for the design of treatment solutions.

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Abstract

The application discloses a method for predicting total quantity of combustible components of stale garbage based on landfill unit layering, which comprises the following steps: 1. data collection and preparation; 2. drilling sampling according to landfill platform layering and partitioning; 3. analysis of physical components of each platform sample and calculation of combustible component proportion; 4. calculation of weighted average proportion of combustible components of the whole heap; and 5. calculation of total mass of combustible components. The method has the advantages that the total quantity of combustible components in the heap can be predicted through landfill platform identification, drilling sampling according to layering and partitioning and volume weighting calculation under the early-stage conditions of old landfill treatment, and scientific basis can be provided for treatment scheme design, terminal connection and investment estimation.
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