EN ISO 4349:2024 PDF

Name: EN ISO 4349:2024 — Solid recovered fuels - Determination of the Recycling Index for co-processing (ISO 4349:2024)
SKU: EN ISO 4349:2024
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Solid recovered fuels - Determination of the Recycling Index for co-processing (ISO 4349:2024)

Название (английский):

EN ISO 4349:2024

Solid recovered fuels - Determination of the Recycling Index for co-processing (ISO 4349:2024)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 31
Дата публикации:: 29 мая 2024 г.
Издание:: CEN EN 4349 edition 1 version 1
ICS:: 75.160.10

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Описание (английский):

This document specifies the determination of the share of material recovery in the case of energy recovery (i.e. co-processing) of solid recovered fuels (SRFs), for example, in a cement kiln. This share, called the recycling index (R-index), is calculated on the basis of the ash content and the ash composition.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 4349:2024 - "Solid recovered fuels - Determination of the Recycling Index for co-processing" (ISO 4349:2024) specifies a standardized method to quantify the share of material recovery occurring when solid recovered fuels (SRFs) are used for co-processing (e.g., in a cement kiln). The outcome is the Recycling Index (R‑index), expressed as a mass fraction (%) of dry matter, calculated from the SRF’s ash content (at 815 °C, dry basis) and ash composition.

Key topics and technical requirements

Scope: Defines the R‑index for SRF co‑processing and the calculation basis (ash content + ash elemental composition).

Sample handling: Sampling and sample preparation follow ISO 21645 and ISO 21646.

Ash determination: Ash content determined per ISO 21656:2021 (815 °C, dry basis).

Elemental analysis methods:

Method A - wet digestion followed by ICP‑MS or ICP‑OES;
Method B - fused bead preparation followed by ICP‑OES;
Method C - pellet preparation followed by XRF analysis.

Reagents & apparatus: Analytical acids (HNO3, HF, HCl), lithium metaborate, muffle furnace, microwave unit, ICP‑OES/ICP‑MS, XRF spectrometer, platinum crucible and press (as listed in the standard).

Calculations: Conversion of elemental content to oxide forms (Al2O3, CaO, Fe2O3, SiO2, etc.) and stepwise computation of the R‑index for co‑processing.

Quality & reporting: Performance characteristics, validation (informative Annex B), and required elements of the test report are specified.

Informative data: Annex A provides typical SRF ash compositions from mixed municipal/commercial waste.

Practical applications

Enables consistent, comparable quantification of the material fraction recycled when SRFs are co‑processed in industrial processes (notably cement clinker production).

Supports lifecycle and circular economy claims by showing how SRF use can replace mineral raw materials as well as fossil fuels.

Helps cement producers, SRF suppliers and waste managers assess feedstock suitability and optimize blend design for clinker chemistry.

Provides laboratories and conformity assessment bodies with validated analytical routes (ICP, XRF, fused bead, wet digestion) to determine ash composition and compute R‑index.

Related standards

ISO 21645, ISO 21646 (sampling and preparation)

ISO 21656:2021 (ash content)

ISO 22940 / EN 15309 (XRF procedures)

ISO 3884 (methods for elemental determination) and ISO 11885 (ICP‑OES guidance)

Keywords: EN ISO 4349:2024, Solid recovered fuels, SRF, Recycling Index, R‑index, co‑processing, ash composition, cement kiln, ICP‑OES, ICP‑MS, XRF.

EN ISO 4349:2024 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Технические детали

ISO 4349:2024

Solid recovered fuels — Determination of the recycling index for co-processing

ISO 21656:2021

Solid recovered fuels — Determination of ash content

SIST EN ISO 21645:2021

Solid recovered fuels - Methods for sampling (ISO 21645:2021)

SIST EN ISO 21646:2022

Solid recovered fuels - Sample preparation (ISO 21646:2022)

SIST EN ISO 22940:2021

Solid recovered fuels - Determination of elemental composition by X-ray fluorescence (ISO 22940:2021)

SIST EN ISO 3884:2025

Solid recovered fuels - Methods for the determination of the content of elements (Al, Ca, Fe, K, Mg, Na, P, S…

SIST EN ISO 11885:2009

Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometr…