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Decision XXIX/7 : Use of controlled substances as process agents

Document type
Decision
Reference number
XXIX/7
Date
Nov 20, 2017
Source
UNEP, InforMEA
Status
Active
Subject
Waste & hazardous substances, Air & atmosphere
Treaty
Montreal Protocol on Substances that Deplete the Ozone Layer (Sep 16, 1987)
Meeting
Website
ozone.unep.org
Abstract

Taking note with appreciation of the 2017 progress report of the Technology and Economic Assessment Panel, especially insofar as it pertains to process agents,

Recalling that table A of decision X/14 on process agents has been updated through decisions XV/6, XVII/7, XIX/15, XXI/3, XXII/8 and XXIII/7,

Noting that the Panel, in its 2017 progress report, takes account of the information provided by parties in accordance with decision XXI/3,

Noting also that, in its 2017 progress report, the Panel recommends the removal of three processes from table A of decision X/14, as updated through decision XXIII/7,

1. To update table A of decision X/14 as set out in the annex to the present decision;

2. To urge parties to update their information on the use of controlled substances as process agents and to provide the Secretariat, by 31 December 2017, with information on the implementation and development of emissions reduction techniques;

3. To request the Technology and Economic Assessment Panel to report to the Open‑ended Working Group of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer at its forty-first meeting on the industrial application of any alternative technologies employed by parties in the processes listed in table A, as updated in the annex to the present decision;

Annex to decision XXIX/7

Table A

List of uses of controlled substances as process agents

No. Process agent application Substance Permitted parties
1 Elimination of NCl3 in chlor-alkali production CTC European Union, Israel, United States of America
2 Recovery of chlorine by tail gas absorption from chlor-alkali production CTC European Union, United States of America
3 Production of chlorinated rubber CTC European Union
4 Production of chlorosulfonated polyolefin (CSM) CTC China
5 Production of aramid polymer (PPTA) CTC European Union
6 Production of synthetic fibre sheet CFC-11 United States of America
7 Photochemical synthesis of perfluoropolyetherpolyperoxide precursors of Z‑perfluoropolyethers and difunctional derivatives CFC-12 European Union
8 Preparation of perfluoropolyether diols with high functionality CFC-113 European Union
9 Production of cyclodime CTC European Union
10 Bromination of a styrenic polymer BCM United States of America
11 Production of high modulus polyethylene fibre CFC-113 United States of America