Registration Dossier
Registration Dossier
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EC number: 947-741-4 | CAS number: -
Additional information on environmental fate and behaviour
Administrative data
- Endpoint:
- additional information on environmental fate and behaviour
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Basic data are given, the study meets basic scientific principles.
Data source
Reference
- Reference Type:
- publication
- Title:
- Ergebnisse des Grossversuches - Einsatz eines Zeolith A-haltigen Waschmittels - in Stuttgart-Büsnau
- Author:
- Wagner R
- Year:
- 1 979
- Bibliographic source:
- Die Prüfung des Umweltverhaltens von Na-Al-Silikat Zeolith A als Phosphatersatzstoff in Wasch- und Reinigungsmitteln. Umweltbundesamt, Materialien 4/79, Erich Schmidt Verlag, Berlin, 58-71
Materials and methods
- Principles of method if other than guideline:
- Test type: field experiment on removal of zeolite A in wastewater treatment
Test duration: 14 months
Test location: municipal sewage treatment plant, Büsnau (Germany), activated sludge process
Test temperature: ambient
Investigated parameters: COD, BOD, phosphorus, nitrogen, ammonia, elimination - Type of study / information:
- Sewage treatment
Test material
- Reference substance name:
- Automatically generated during migration to IUCLID 6, no data available
- IUPAC Name:
- Automatically generated during migration to IUCLID 6, no data available
- Details on test material:
- - Zeolite A (Sasil, sodium aluminium silicate), doped with indium to render zeolites accessible to neutron activation analysis.
- Chemical name: Zeolite, cuboidal, crystalline, synthetic, non-fibrous
- Framework: cuboidal
- Related CAS No. 1318-02-1
Constituent 1
Results and discussion
Any other information on results incl. tables
The average overall removal rate observed in the Büsnau sewage treatment plant is 96%. 21% of the influent zeolite A are retained in the sand trap, 42% in the primary clarifier, and 33% in the biological treatment.
Applicant's summary and conclusion
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