EWC Code
Wastes from manufacture, formulation, supply and use of halogens and halogen chemical processes
EUR-Lex Commission Decision 2000/532/EC — Official Journal L 226, 06/09/2000Annual Volume
~100–300 kt/year halogen-bearing inorganic waste
Valorisation Range
Chlorine waste management cost €200–500/t; bromine recovery significant where concentrated
Primary Route
Halogen recovery and neutralisation
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Get contacts for EWC 06 07EWC 06 07 covers residues and wastes from the production and use of elemental halogens (Cl₂, Br₂, F₂, I₂) and halogen compounds — principally chlorine-containing wastes from the chlor-alkali industry, fluorine wastes from HF/fluorocarbon manufacture, and bromine wastes from bromide production. All sub-codes (06 07 01*, 06 07 02*, 06 07 03*, 06 07 04*) are hazardous.
Asbestos-contaminated wastes from the decommissioning of mercury-cell chlor-alkali plants (06 07 01*) are particularly challenging — EU has been phasing out mercury-cell technology and asbestos-wrapped equipment requires specialist abatement. Activated carbon from chlorine purification (06 07 02*) is hazardous due to adsorbed chlorine. Barium sulphate sludges (06 07 03*) from barium chloride manufacture are denser but often non-hazardous depending on barium content.
EU chlor-alkali capacity has shifted to membrane cell technology, eliminating mercury and reducing waste hazard profiles. Fluoride-containing waste from HF manufacture (06 07 04*) requires calcium fluoride precipitation before any disposal. Bromine recovery from Dead Sea brines via air blowing is external to EU but bromine derivative wastes arise in pharmaceutical and flame-retardant chemical manufacturing.
Typical Generators
Established valorisation pathways for EWC 06 07, ranked by economic value and market depth. Halogen recovery and neutralisation is the primary route.
Spent chlorine-containing streams scrubbed with caustic to produce sodium hypochlorite (NaOCl) for sale or use in water treatment. Fluoride-bearing effluent precipitated as CaF₂ sludge — cement kiln use as mineraliser. Bromine recovered by air stripping and condensation from dilute streams.
Asbestos-containing materials (ACM) from mercury-cell plant decommissioning (06 07 01*) removed by licensed asbestos removal contractors under CAW Directive 2009/148/EC. Double-bagged and transported to hazardous landfill cells designed for fibrous ACM. No recycling routes exist.
Activated carbon (06 07 02*) and halogenated organic co-wastes incinerated at high-temperature facilities with HCl/HF acid gas scrubbing. Scrubber liquor neutralised and treated. Acid gas ELV: HCl ≤10 mg/Nm³, HF ≤1 mg/Nm³ under IED.
These are the established routes for EWC 06 07. Which one your stream qualifies for depends on its composition, volume and region.
Get the ranked options for your streamPrimary & secondary off-takers
Chlor-alkali operators manage halogen waste streams internally through neutralisation and product recovery
Asbestos abatement contractors handle chlor-alkali plant decommissioning ACM waste
Accepts CaF₂ sludge as fluorite substitute and mineraliser in clinker production
Incineration and specialist disposal of activated carbon and halogen-containing wastes
Source: NACE Rev.2 — Eurostat, 2008
Key legislative frameworks governing EWC 06 07 classification, transport, and treatment.
All EU mercury-cell chlor-alkali plants required to convert to membrane technology by 11 December 2017. Decommissioning generates mercury, asbestos and contaminated equipment wastes. Mercury waste must be stored permanently; asbestos under CAW Directive.
Asbestos abatement during chlor-alkali plant decommissioning requires licensed contractor, notification to competent authority, air monitoring during works, and decontamination facilities. ACM transported under ADR Class 9 (UN 2590).
Membrane cell technology is BAT for new and existing chlor-alkali plants. Chlorine destruction efficiency requirements, dechlorination of wastewater before discharge, and activated carbon management covered in BAT conclusions.
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Sectors that valorise EWC 06 07 as an input material or secondary raw material.
Waste-stream pages and resources connected to EWC 06 07 valorisation.
Explore EU waste flows — Waste Atlas
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Source: EUR-Lex Commission Decision 2000/532/EC · NACE Rev.2 — Eurostat 2008
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