# ISO 924:1989 — Withdrawn and superseded ISO standards

For ISO 924:1989, item title is Coal preparation plant — Principles and conventions for flowsheets; status code is 9599; successor is ISO 924:2024; withdrawn / published date is 1989-11-30, recorded from its source on 2026-08-05.

- **Identifier:** ISO 924:1989 _(verified: appears in the quote below)_
- **Item title:** Coal preparation plant — Principles and conventions for flowsheets _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 924:2024
- **Withdrawn / published date:** 1989-11-30 _(verified: appears in the quote below)_

## What the source says

> 5340,IS,,ISO 924:1989,Coal preparation plant — Principles and conventions for flowsheets,Ateliers de préparation du charbon — Principes et conventions relatifs aux schémas de traitement,1989-11-30,2,['73.120'],ISO/TC 27/SC 1,9599,[5339],[87989],"['en','fr']",5,"<p>Sets out principles and conventions for use in preparation of basic process and equipment flowsheets for the design of a coal preparation plant. In order to cover the various stages leading to the final design of a plant, two basic flowsheets are needed, one bases on the process and the other on the equipment. Examples of process and equipment flowsheets are shown in figures.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).