EN 16846-1:2017

SLOVENSKI STANDARD
01-maj-2017
)RWRNDWDOL]D0HUMHQMHXþLQNRYLWRVWLIRWRNDWDOLWLþQLKQDSUDYNLVHXSRUDEOMDMR]D
DNWLYQRRGVWUDQMHYDQMH92&LQVPUDGXL]]UDNDY]DSUWLKSURVWRULK
Photocatalysis - Measurement of efficiency of photocatalytic devices used for the
elimination of VOC and odour in indoor air in active mode - Part 1: Batch mode test
method with a closed chamber
Photokatalyse - Batch-Betrieb-Prüfverfahren - Teil 1: Messung der Effizienz
photokatalytischer Geräte im aktiven Modus zur Beseitigung flüchtiger organischer
Verbindungen (VOC) und von Geruch in der Raumluft
Photocatalyse - Méthodes d'essai par lots - Partie 1 : Mesure de l'efficacité des
dispositifs photocatalytiques servant à l'élimination, en mode actif, des COV et des
odeurs dans l'air intérieur
Ta slovenski standard je istoveten z: EN 16846-1:2017
ICS:
13.040.20 Kakovost okoljskega zraka Ambient atmospheres
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 16846-1
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2017
EUROPÄISCHE NORM
ICS 13.040.20
English Version
Photocatalysis - Measurement of efficiency of
photocatalytic devices used for the elimination of VOC and
odour in indoor air in active mode - Part 1: Batch mode
test method in closed chamber
Photocatalyse - Mesure de l'efficacité des dispositifs Photokatalyse - Messung der Effizienz
photocatalytiques servant à l'élimination, en mode photokatalytischer Geräte im aktiven Modus zur
actif, des COV et des odeurs dans l'air intérieur - Partie Beseitigung flüchtiger organischer Verbindungen
1 : Méthode d'essai en enceinte confinée (VOC) und von Geruch in der Raumluft - Teil 1: Batch-
Betrieb-Prüfverfahren mit einer geschlossenen
Kammer
This European Standard was approved by CEN on 14 November 2016.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16846-1:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Symbols and abbreviations . 5
5 Principle . 5
6 Apparatus . 6
7 Test performance . 6
7.1 Pollutants and concentrations . 6
7.1.1 General . 6
7.1.2 Indoor air . 6
7.1.3 Industrial issue and challenge . 7
7.2 Validation of the chamber . 7
7.3 Test conditions . 7
7.4 Test procedure . 7
levels . 7
7.5 Mineralization test with continuous monitoring of CO2
7.6 Analysis of reaction by-products and ozone . 8
7.7 Olfactive efficiency of the system . 8
8 Test report . 9
Annex A (informative) Schematic diagram of an air tight chamber . 10
Annex B (informative) Types of sorbent apparatus for thermal desorption cartridges . 11
Annex C (informative) Examples of a chamber blanks analysis. 12
Annex D (informative) Analysis of the reaction mixture . 13
Annex E (informative) Example of a plot of temperature and relative humidity, as well as
developments in pollutants and CO2 . 14
Annex F (informative) Example of test at low concentration with formaldehyde . 16
Annex G (informative) CADR calculation . 17
Annex H (informative) Calculation of CADR . 19

European foreword
This document (EN 16846-1:2017) has been prepared by Technical Committee CEN/TC 386
“Photocatalysis”, the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by September 2017, and conflicting national standards shall be
withdrawn at the latest by September 2017.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN shall not be held responsible for identifying any or all such patent rights.
EN 16846, Photocatalysis — Measurement of efficiency of photocatalytic devices used for the elimination of
VOC and odour in indoor air in active mode, is dedicated to photocatalytic devices for indoor air cleaning and
is constituted by the following parts:
— Part 1: Batch mode test method in closed chamber;
— Part 2: In situ test under real conditions.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

1 Scope
This European Standard describes the methodologies to be used in a laboratory air tight chamber to test
prototype or commercial air cleaner systems with a maximum flow rate of 1,000 m /h used for
photocatalytic indoor air remediation.
It is applicable to the treatment of atmospheres that are representative of the air inside buildings and
workplaces.
This protocol is applicable solely to photocatalytic systems alone or to combined systems that include a
photocatalytic function. The photocatalytic function is demonstrated by verifying the mineralization of
model VOCs to form CO .
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
EN 13725, Air quality - Determination of odour concentration by dynamic olfactometry
EN ISO 16017-1:2000, Indoor, ambient and workplace air - Sampling and analysis of volatile organic
compounds by sorbent tube/thermal desorption/capillary gas chromatography - Part 1: Pumped sampling (ISO
16017-1:2000)
ISO 16000-3, Indoor air — Part 3: Determination of formaldehyde and other carbonyl compounds in indoor air
and test chamber air — Active sampling method
ISO 16000-6:2011, Indoor air — Part 6: Determination of volatile organic compounds in indoor and test
chamber air by active sampling on Tenax TA sorbent, thermal desorption and gas chromatography using MS or
MS-FID
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
photocatalyst
substance that performs one or more functions based on oxidation and reduction reactions under
photoirradiation, including decomposition and removal of air and water contaminants, deodorization, and
antibacterial, self-cleaning and antifogging actions
3.2
volatile organic compounds
VOC
all three classes of VOC as per EN ISO 16000-6:2011, 3.1,3.2 and 3.3
3.3
system
commercial or prototype air cleaner system that includes at least one photocatalytic function with or
without a fan function
3.4
chamber blank analysis
value of an analysis of the composition of the air inside the air tight chamber with no air cleaner system
inside the chamber and after venting by taking sampling on special cartridge for VOC and aldehyde
3.5
test blank analysis
value of an analysis of the composition of the air inside the air tight chamber with an air cleaner system
operating inside the chamber, but with no pollutant introduced, by taking sampling on special cartridge for
VOC and aldehyde
3.6
cartridge blank analysis
value of an analysis of the sorbent cartridge prior to use for the analysis of reaction by-products
3.7
TWA
time-weighted average, measured or estimated over an 8-hour work schedule
3.8
Short-Term Exposure Limit
STEL
ceiling value that should never be exceeded in an occupational environment where these values are
measured during a maximum period of 15 min
Note 1 to entry: TLV (threshold limit value) is replaced by STEL.
3.9
indoor air
air inside a closed environment
3.10
mineralization of model VOCs
oxidation of model VOCs to form CO2
4 Symbols and abbreviations
ln : natural logarithm
PE : polyethylene
PMMA : Poly(methyl methacrylate)
−9
ppbv : parts per billion in volumes [10 ]
−6
ppmv : parts per million in volumes [10 ]
PTFE : Polytetrafluoroethylene
RH : relative humidity
5 Principle
The system is placed inside an air tight chamber and exposed to a model VOC mixture. Changes in pollutant
concentrations due to operation of the system, as well as the production of CO and the appearance of by-
products, are measured against time.
6 Apparatus
Standard laboratory apparatus, in addition to the following elements:
6.1 Air tight chamber.
Air tight chamber with a volume of at least one m fitted with an air homogenizing device with a nominal
hourly flow rate (m /h) 100 times greater than the volume of the chamber. The ratio between the system
volume and the chamber volume shall be less than or equal to 0,10 (see Figure A.1 in Annex A).
The chamber has sampling ports and throughputs for electrical connections.
The behaviour of the material used to build the chamber in relation to pollutants, UV radiation, sorption and
degassing phenomena shall be known and controlled.
Examples of materials: glass, PMMA, PE, PTFE, stainless steel, etc.
6.2 Analysis apparatus.
All apparatus used for continuous monitoring of the air composition inside the chamber in the concentration
range specified in Clause 6 can be used with a detection limit at around 5 ppbv for the test conditions stated
in 7.1.2, or at 10 % of the initial concentration of the relevant pollutants as specified in 7.1.3.
Analyses of reaction by-products are performed according to the methods adapted to the characterization of
the indoor air quality.
Reference will be made to the following standards: ISO 16000-3 and ISO 16000-6;
A description of a few sorbents are included in Annex B of this standard.
See also EN ISO 16017-1:2000, Annexes C, D and E.
Temperature a
...