Applied Catalysis B: Environmental

Applied Catalysis B: Environmental welcomes original, novel and high-impact contributions from the following fields: Catalytic elimination of environmental pollutants, such as nitrogen oxides, carbon monoxide, sulfur compounds, chlorinated and other organic compounds, and soot emitted from stationary or mobile sources Basic understanding of catalysts used in environmental pollution abatement, especially as applied to industrial processes All aspects of preparation, characterization, activation, deactivation and regeneration of novel and commercially applicable environmental catalysts New catalytic routes and processes for the production of clean energy, such as in hydrogen generation via catalytic fuel processing; and new catalysts and electrocatalysts for fuel cells Catalytic reactions in which wastes are converted to useful products Clean manufacturing replacing toxic chemicals with environmentally friendly catalysts Scientific aspects of photocatalytic processes and basic understanding of photocatalysts as applied to environmental problems New catalytic combustion technologies and catalysts The journal will accept original Research Papers, Reviews and Letters to the Editor. Papers dealing with reactions and processes aimed at the production of commercial products and the remaining aspect of catalysis should be directed to Applied Catalysis A: General. Enzymatic papers should be directed to Journal of Molecular Catalysis B.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Catalysis	1999	Q1
Catalysis	2000	Q1
Catalysis	2001	Q1
Catalysis	2002	Q1
Catalysis	2003	Q1
Catalysis	2004	Q1
Catalysis	2005	Q2
Catalysis	2006	Q2
Catalysis	2007	Q1
Catalysis	2008	Q1
Catalysis	2009	Q2
Catalysis	2010	Q1
Catalysis	2011	Q1
Catalysis	2012	Q1
Catalysis	2013	Q1
Catalysis	2014	Q1
Catalysis	2015	Q1
Catalysis	2016	Q1
Catalysis	2017	Q1
Catalysis	2018	Q1
Catalysis	2019	Q1
Catalysis	2020	Q1
Catalysis	2021	Q1
Environmental Science (miscellaneous)	1999	Q1
Environmental Science (miscellaneous)	2000	Q1
Environmental Science (miscellaneous)	2001	Q1
Environmental Science (miscellaneous)	2002	Q1
Environmental Science (miscellaneous)	2003	Q1
Environmental Science (miscellaneous)	2004	Q1
Environmental Science (miscellaneous)	2005	Q1
Environmental Science (miscellaneous)	2006	Q1
Environmental Science (miscellaneous)	2007	Q1
Environmental Science (miscellaneous)	2008	Q1
Environmental Science (miscellaneous)	2009	Q1
Environmental Science (miscellaneous)	2010	Q1
Environmental Science (miscellaneous)	2011	Q1
Environmental Science (miscellaneous)	2012	Q1
Environmental Science (miscellaneous)	2013	Q1
Environmental Science (miscellaneous)	2014	Q1
Environmental Science (miscellaneous)	2015	Q1
Environmental Science (miscellaneous)	2016	Q1
Environmental Science (miscellaneous)	2017	Q1
Environmental Science (miscellaneous)	2018	Q1
Environmental Science (miscellaneous)	2019	Q1
Environmental Science (miscellaneous)	2020	Q1
Environmental Science (miscellaneous)	2021	Q1
Process Chemistry and Technology	1999	Q1
Process Chemistry and Technology	2000	Q1
Process Chemistry and Technology	2001	Q1
Process Chemistry and Technology	2002	Q1
Process Chemistry and Technology	2003	Q1
Process Chemistry and Technology	2004	Q1
Process Chemistry and Technology	2005	Q1
Process Chemistry and Technology	2006	Q1
Process Chemistry and Technology	2007	Q1
Process Chemistry and Technology	2008	Q1
Process Chemistry and Technology	2009	Q1
Process Chemistry and Technology	2010	Q1
Process Chemistry and Technology	2011	Q1
Process Chemistry and Technology	2012	Q1
Process Chemistry and Technology	2013	Q1
Process Chemistry and Technology	2014	Q1
Process Chemistry and Technology	2015	Q1
Process Chemistry and Technology	2016	Q1
Process Chemistry and Technology	2017	Q1
Process Chemistry and Technology	2018	Q1
Process Chemistry and Technology	2019	Q1
Process Chemistry and Technology	2020	Q1
Process Chemistry and Technology	2021	Q1

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
1999	1.921
2000	2.613
2001	2.685
2002	2.283
2003	2.132
2004	2.406
2005	2.136
2006	2.315
2007	2.536
2008	2.514
2009	2.323
2010	2.479
2011	2.606
2012	2.650
2013	2.391
2014	2.322
2015	2.326
2016	2.693
2017	3.152
2018	3.753
2019	4.217
2020	4.672
2021	4.466

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
1999	104
2000	130
2001	193
2002	135
2003	238
2004	231
2005	233
2006	252
2007	358
2008	362
2009	455
2010	394
2011	475
2012	481
2013	473
2014	688
2015	680
2016	786
2017	1015
2018	1038
2019	1089
2020	1068
2021	1096

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	2.761
Cites / Doc. (4 years)	2000	3.312
Cites / Doc. (4 years)	2001	3.888
Cites / Doc. (4 years)	2002	3.787
Cites / Doc. (4 years)	2003	3.911
Cites / Doc. (4 years)	2004	4.414
Cites / Doc. (4 years)	2005	4.274
Cites / Doc. (4 years)	2006	4.879
Cites / Doc. (4 years)	2007	5.587
Cites / Doc. (4 years)	2008	5.543
Cites / Doc. (4 years)	2009	6.200
Cites / Doc. (4 years)	2010	5.870
Cites / Doc. (4 years)	2011	6.699
Cites / Doc. (4 years)	2012	6.588
Cites / Doc. (4 years)	2013	7.134
Cites / Doc. (4 years)	2014	8.078
Cites / Doc. (4 years)	2015	8.604
Cites / Doc. (4 years)	2016	9.525
Cites / Doc. (4 years)	2017	10.940
Cites / Doc. (4 years)	2018	13.123
Cites / Doc. (4 years)	2019	15.655
Cites / Doc. (4 years)	2020	17.660
Cites / Doc. (4 years)	2021	19.600
Cites / Doc. (3 years)	1999	2.761
Cites / Doc. (3 years)	2000	3.254
Cites / Doc. (3 years)	2001	3.865
Cites / Doc. (3 years)	2002	3.354
Cites / Doc. (3 years)	2003	3.738
Cites / Doc. (3 years)	2004	4.249
Cites / Doc. (3 years)	2005	4.333
Cites / Doc. (3 years)	2006	4.591
Cites / Doc. (3 years)	2007	5.205
Cites / Doc. (3 years)	2008	5.335
Cites / Doc. (3 years)	2009	6.015
Cites / Doc. (3 years)	2010	5.591
Cites / Doc. (3 years)	2011	6.627
Cites / Doc. (3 years)	2012	6.489
Cites / Doc. (3 years)	2013	6.996
Cites / Doc. (3 years)	2014	7.778
Cites / Doc. (3 years)	2015	8.778
Cites / Doc. (3 years)	2016	9.696
Cites / Doc. (3 years)	2017	11.299
Cites / Doc. (3 years)	2018	14.094
Cites / Doc. (3 years)	2019	16.306
Cites / Doc. (3 years)	2020	18.348
Cites / Doc. (3 years)	2021	20.605
Cites / Doc. (2 years)	1999	2.448
Cites / Doc. (2 years)	2000	3.251
Cites / Doc. (2 years)	2001	3.312
Cites / Doc. (2 years)	2002	2.879
Cites / Doc. (2 years)	2003	3.341
Cites / Doc. (2 years)	2004	4.150
Cites / Doc. (2 years)	2005	3.893
Cites / Doc. (2 years)	2006	4.136
Cites / Doc. (2 years)	2007	4.658
Cites / Doc. (2 years)	2008	5.008
Cites / Doc. (2 years)	2009	5.619
Cites / Doc. (2 years)	2010	5.344
Cites / Doc. (2 years)	2011	6.327
Cites / Doc. (2 years)	2012	6.189
Cites / Doc. (2 years)	2013	6.451
Cites / Doc. (2 years)	2014	7.790
Cites / Doc. (2 years)	2015	8.747
Cites / Doc. (2 years)	2016	9.773
Cites / Doc. (2 years)	2017	12.087
Cites / Doc. (2 years)	2018	14.614
Cites / Doc. (2 years)	2019	16.858
Cites / Doc. (2 years)	2020	19.018
Cites / Doc. (2 years)	2021	21.406

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	169
Self Cites	2000	189
Self Cites	2001	303
Self Cites	2002	186
Self Cites	2003	355
Self Cites	2004	379
Self Cites	2005	320
Self Cites	2006	400
Self Cites	2007	457
Self Cites	2008	651
Self Cites	2009	848
Self Cites	2010	777
Self Cites	2011	895
Self Cites	2012	902
Self Cites	2013	961
Self Cites	2014	1132
Self Cites	2015	1251
Self Cites	2016	1684
Self Cites	2017	2752
Self Cites	2018	3546
Self Cites	2019	4599
Self Cites	2020	4118
Self Cites	2021	4570
Total Cites	1999	961
Total Cites	2000	1152
Total Cites	2001	1488
Total Cites	2002	1432
Total Cites	2003	1712
Total Cites	2004	2405
Total Cites	2005	2617
Total Cites	2006	3223
Total Cites	2007	3727
Total Cites	2008	4497
Total Cites	2009	5847
Total Cites	2010	6569
Total Cites	2011	8025
Total Cites	2012	8592
Total Cites	2013	9444
Total Cites	2014	11115
Total Cites	2015	14413
Total Cites	2016	17851
Total Cites	2017	24338
Total Cites	2018	34968
Total Cites	2019	46293
Total Cites	2020	57648
Total Cites	2021	65832

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	2.400
External Cites per document	2000	2.832
External Cites per document	2001	3.194
External Cites per document	2002	3.039
External Cites per document	2003	3.120
External Cites per document	2004	3.711
External Cites per document	2005	3.920
External Cites per document	2006	4.103
External Cites per document	2007	4.625
External Cites per document	2008	4.600
External Cites per document	2009	5.170
External Cites per document	2010	4.955
External Cites per document	2011	5.917
External Cites per document	2012	5.830
External Cites per document	2013	6.321
External Cites per document	2014	7.020
External Cites per document	2015	8.060
External Cites per document	2016	8.815
External Cites per document	2017	10.059
External Cites per document	2018	12.686
External Cites per document	2019	14.702
External Cites per document	2020	17.053
External Cites per document	2021	19.198
Cites per document	1999	2.761
Cites per document	2000	3.254
Cites per document	2001	3.865
Cites per document	2002	3.354
Cites per document	2003	3.738
Cites per document	2004	4.249
Cites per document	2005	4.333
Cites per document	2006	4.591
Cites per document	2007	5.205
Cites per document	2008	5.335
Cites per document	2009	6.015
Cites per document	2010	5.591
Cites per document	2011	6.627
Cites per document	2012	6.489
Cites per document	2013	6.996
Cites per document	2014	7.778
Cites per document	2015	8.778
Cites per document	2016	9.696
Cites per document	2017	11.299
Cites per document	2018	14.094
Cites per document	2019	16.306
Cites per document	2020	18.348
Cites per document	2021	20.605

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	18.27
2000	21.54
2001	22.80
2002	22.96
2003	22.27
2004	21.21
2005	21.89
2006	24.21
2007	24.30
2008	17.96
2009	26.15
2010	22.84
2011	27.58
2012	29.52
2013	27.06
2014	29.51
2015	32.79
2016	33.08
2017	29.46
2018	31.98
2019	34.07
2020	35.67
2021	33.76

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	18
Non-citable documents	2000	14
Non-citable documents	2001	14
Non-citable documents	2002	17
Non-citable documents	2003	23
Non-citable documents	2004	20
Non-citable documents	2005	18
Non-citable documents	2006	14
Non-citable documents	2007	9
Non-citable documents	2008	7
Non-citable documents	2009	5
Non-citable documents	2010	6
Non-citable documents	2011	6
Non-citable documents	2012	5
Non-citable documents	2013	8
Non-citable documents	2014	7
Non-citable documents	2015	9
Non-citable documents	2016	7
Non-citable documents	2017	8
Non-citable documents	2018	4
Non-citable documents	2019	3
Non-citable documents	2020	3
Non-citable documents	2021	4
Citable documents	1999	330
Citable documents	2000	340
Citable documents	2001	371
Citable documents	2002	410
Citable documents	2003	435
Citable documents	2004	546
Citable documents	2005	586
Citable documents	2006	688
Citable documents	2007	707
Citable documents	2008	836
Citable documents	2009	967
Citable documents	2010	1169
Citable documents	2011	1205
Citable documents	2012	1319
Citable documents	2013	1342
Citable documents	2014	1422
Citable documents	2015	1633
Citable documents	2016	1834
Citable documents	2017	2146
Citable documents	2018	2477
Citable documents	2019	2836
Citable documents	2020	3139
Citable documents	2021	3191

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	86
Uncited documents	2000	65
Uncited documents	2001	50
Uncited documents	2002	79
Uncited documents	2003	63
Uncited documents	2004	66
Uncited documents	2005	93
Uncited documents	2006	100
Uncited documents	2007	82
Uncited documents	2008	75
Uncited documents	2009	63
Uncited documents	2010	66
Uncited documents	2011	43
Uncited documents	2012	64
Uncited documents	2013	64
Uncited documents	2014	44
Uncited documents	2015	47
Uncited documents	2016	46
Uncited documents	2017	47
Uncited documents	2018	31
Uncited documents	2019	38
Uncited documents	2020	25
Uncited documents	2021	42
Cited documents	1999	262
Cited documents	2000	289
Cited documents	2001	335
Cited documents	2002	348
Cited documents	2003	395
Cited documents	2004	500
Cited documents	2005	511
Cited documents	2006	602
Cited documents	2007	634
Cited documents	2008	768
Cited documents	2009	909
Cited documents	2010	1109
Cited documents	2011	1168
Cited documents	2012	1260
Cited documents	2013	1286
Cited documents	2014	1385
Cited documents	2015	1595
Cited documents	2016	1795
Cited documents	2017	2107
Cited documents	2018	2450
Cited documents	2019	2801
Cited documents	2020	3117
Cited documents	2021	3153