Class information for:
Level 2: ANAEROBIC DIGESTION//BIOHYDROGEN//BIOGAS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
394 16833 32.4 63%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
50 3       ANAEROBIC DIGESTION//MICROBIAL FUEL CELL//WATER SCIENCE AND TECHNOLOGY 91931
394 2             ANAEROBIC DIGESTION//BIOHYDROGEN//BIOGAS 16833
267 1                   ANAEROBIC DIGESTION//CO DIGESTION//BIOGAS 3770
828 1                   BIOHYDROGEN//DARK FERMENTATION//BIOHYDROGEN PRODUCTION 3030
1065 1                   UASB//UASB REACTOR//ANAEROBIC TREATMENT 2873
3530 1                   COENZYME F 420//METHANOSARCINA BARKERI//METHANOGENIC ARCHAEA 1964
6230 1                   SYNTROPHIC ACETATE OXIDATION//ANAEROBIC DIGESTION//INTERSPECIES HYDROGEN TRANSFER 1510
9165 1                   SYNGAS FERMENTATION//CLOSTRIDIUM LJUNGDAHLII//ACETOGENS 1182
11704 1                   DISTILLERY EFFLUENT//WINERY WASTEWATER//VINASSE 960
19973 1                   PIECEWISE CONTINUOUS SYSTEMS//ANAEROBIC DIGESTION//AUTOMAT IND IT 482
26272 1                   SULFATE LADEN ORGANICS//AC21 MEDIUM//ACID INSOLUBLE SUBSTANCES 259
27781 1                   PALM OIL MILL EFFLUENT POME//PALM OIL MILL EFFLUENT//POME 221
30112 1                   CARBOXYLATE PLATFORM//MIXALCO PROCESS//MIXALCO TM PROCESS 174
32531 1                   METHANOGENIC CONSORTIUM OF MICROORGANISMS//7INAN//EFFECTS ON DIGESTION 137
32548 1                   HIGH RATE DIGESTERS//HYDRAULIC AGITATORS//SPRAYER TANKS 137
36979 1                   ANGIOGENESIS PROCESS//GRP DIGITAL SIGNAL PROC//INFORMAT TECHNOL DATA ANAL METHODS 69
37155 1                   LOCATION OF THE ZEROS//ANNULAR BOUND//LOCATION OF ZEROS OF POLYNOMIALS 65

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 ANAEROBIC DIGESTION authKW 2343315 14% 53% 2433
2 BIOHYDROGEN authKW 1097804 5% 77% 787
3 BIOGAS authKW 741718 7% 37% 1109
4 DARK FERMENTATION authKW 564287 2% 92% 339
5 CO DIGESTION authKW 490154 2% 84% 324
6 UASB authKW 329804 2% 59% 311
7 BIORESOURCE TECHNOLOGY journal 300598 10% 10% 1692
8 BIOHYDROGEN PRODUCTION authKW 293138 1% 83% 195
9 ANAEROBIC CO DIGESTION authKW 245469 1% 77% 175
10 PHOTOFERMENTATION authKW 237690 1% 96% 136

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Agricultural Engineering 180026 13% 5% 2247
2 Biotechnology & Applied Microbiology 103747 34% 1% 5660
3 Energy & Fuels 93420 24% 1% 4080
4 Engineering, Environmental 82684 18% 2% 3030
5 Environmental Sciences 35145 23% 1% 3892
6 Water Resources 33827 13% 1% 2107
7 Microbiology 19559 15% 1% 2581
8 Electrochemistry 11470 8% 1% 1269
9 Engineering, Chemical 6560 10% 0% 1603
10 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 4899 2% 1% 404

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 BIOTECHNOL ENVIRONM 102481 1% 33% 173
2 GREEN ENERGY DEV 61287 0% 64% 53
3 STATE AGR ENGN BIOENERGY 54571 0% 94% 32
4 HIDRAUL SANEAMENTO 49883 0% 34% 80
5 ESCOLA ENGN MAUA 45243 0% 78% 32
6 BIOHYDROGEN 41677 0% 100% 23
7 SUB ENVIRONM TECHNOL 40745 1% 19% 121
8 ENVIRONM ENGN 40308 5% 3% 814
9 UR050 38437 0% 45% 47
10 WASTES ENERGY 36241 0% 100% 20

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 BIORESOURCE TECHNOLOGY 300598 10% 10% 1692
2 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 140401 7% 6% 1239
3 WATER SCIENCE AND TECHNOLOGY 108055 7% 6% 1105
4 ARCHIVES OF MICROBIOLOGY 30241 2% 6% 304
5 BIOLOGICAL WASTES 29610 1% 19% 87
6 ENVIRONMENTAL TECHNOLOGY 29448 2% 6% 284
7 WATER RESEARCH 28564 3% 3% 496
8 AGRICULTURAL WASTES 25789 0% 19% 74
9 WASTE MANAGEMENT 21244 1% 5% 230
10 BIOMASS & BIOENERGY 20227 1% 5% 228

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class		 LCSH search Wikipedia search
1 ANAEROBIC DIGESTION 2343315 14% 53% 2433 Search ANAEROBIC+DIGESTION Search ANAEROBIC+DIGESTION
2 BIOHYDROGEN 1097804 5% 77% 787 Search BIOHYDROGEN Search BIOHYDROGEN
3 BIOGAS 741718 7% 37% 1109 Search BIOGAS Search BIOGAS
4 DARK FERMENTATION 564287 2% 92% 339 Search DARK+FERMENTATION Search DARK+FERMENTATION
5 CO DIGESTION 490154 2% 84% 324 Search CO+DIGESTION Search CO+DIGESTION
6 UASB 329804 2% 59% 311 Search UASB Search UASB
7 BIOHYDROGEN PRODUCTION 293138 1% 83% 195 Search BIOHYDROGEN+PRODUCTION Search BIOHYDROGEN+PRODUCTION
8 ANAEROBIC CO DIGESTION 245469 1% 77% 175 Search ANAEROBIC+CO+DIGESTION Search ANAEROBIC+CO+DIGESTION
9 PHOTOFERMENTATION 237690 1% 96% 136 Search PHOTOFERMENTATION Search PHOTOFERMENTATION
10 ANAEROBIC TREATMENT 231890 2% 45% 283 Search ANAEROBIC+TREATMENT Search ANAEROBIC+TREATMENT

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 GHIMIRE, A , FRUNZO, L , PIROZZI, F , TRABLY, E , ESCUDIE, R , LENS, PNL , ESPOSITO, G , (2015) A REVIEW ON DARK FERMENTATIVE BIOHYDROGEN PRODUCTION FROM ORGANIC BIOMASS: PROCESS PARAMETERS AND USE OF BY-PRODUCTS.APPLIED ENERGY. VOL. 144. ISSUE . P. 73 -95 196 86% 49
2 CHATTERJEE, B , MAZUMDER, D , (2016) ANAEROBIC DIGESTION FOR THE STABILIZATION OF THE ORGANIC FRACTION OF MUNICIPAL SOLID WASTE: A REVIEW.ENVIRONMENTAL REVIEWS. VOL. 24. ISSUE 4. P. 426 -459 219 89% 0
3 THAUER, RK , (1998) BIOCHEMISTRY OF METHANOGENESIS: A TRIBUTE TO MARJORY STEPHENSON.MICROBIOLOGY-SGM. VOL. 144. ISSUE . P. 2377 -2406 202 79% 527
4 PATEL, SKS , KUMAR, P , KALIA, VC , (2012) ENHANCING BIOLOGICAL HYDROGEN PRODUCTION THROUGH COMPLEMENTARY MICROBIAL METABOLISMS.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 37. ISSUE 14. P. 10590 -10603 174 94% 15
5 WANG, JL , WAN, W , (2009) FACTORS INFLUENCING FERMENTATIVE HYDROGEN PRODUCTION: A REVIEW.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 34. ISSUE 2. P. 799 -811 111 99% 314
6 CAPSON-TOJO, G , ROUEZ, M , CREST, M , STEYER, JP , DELGENES, JP , ESCUDIE, R , (2016) FOOD WASTE VALORIZATION VIA ANAEROBIC PROCESSES: A REVIEW.REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY. VOL. 15. ISSUE 3. P. 499 -547 188 82% 0
7 RITTMANN, S , HERWIG, C , (2012) A COMPREHENSIVE AND QUANTITATIVE REVIEW OF DARK FERMENTATIVE BIOHYDROGEN PRODUCTION.MICROBIAL CELL FACTORIES. VOL. 11. ISSUE . P. - 218 62% 40
8 MATA-ALVAREZ, J , DOSTA, J , ROMERO-GUZA, MS , FONOLL, X , PECES, M , ASTALS, S , (2014) A CRITICAL REVIEW ON ANAEROBIC CO-DIGESTION ACHIEVEMENTS BETWEEN 2010 AND 2013.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 36. ISSUE . P. 412 -427 126 75% 81
9 BUNDHOO, MAZ , MOHEE, R , (2016) INHIBITION OF DARK FERMENTATIVE BIO-HYDROGEN PRODUCTION: A REVIEW.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY. VOL. 41. ISSUE 16. P. 6713 -6733 162 80% 1
10 ARIMI, MM , KNODEL, J , KIPROP, A , NAMANGO, SS , ZHANG, YJ , GEISSEN, SU , (2015) STRATEGIES FOR IMPROVEMENT OF BIOHYDROGEN PRODUCTION FROM ORGANIC-RICH WASTEWATER: A REVIEW.BIOMASS & BIOENERGY. VOL. 75. ISSUE . P. 101 -118 115 94% 15

Classes with closest relation at Level 2


Rank Class id link
1 427 ACTIVATED SLUDGE//WATER SCIENCE AND TECHNOLOGY//ENGINEERING, ENVIRONMENTAL
2 2678 LANDFILL LEACHATE//LANDFILL//LEACHATE
3 702 SULFATE REDUCING BACTERIA//SULFATE REDUCTION//WINO SKY MICROBIOL
4 2359 MICROBIAL FUEL CELL//BIOELECTROCHEMICAL SYSTEM//MICROBIAL ELECTROLYSIS CELL
5 1304 CLOSTRIDIUM ACETOBUTYLICUM//1 3 PROPANEDIOL//2 3 BUTANEDIOL
6 1262 HYDROGENASE//FERREDOXIN//FEFE HYDROGENASE
7 779 COMPOST//COMPOST SCIENCE & UTILIZATION//BIOCYCLE
8 1275 MICROALGAE//PHOTOBIOREACTOR//ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
9 331 CELLULASE//XYLANASE//ENZYMATIC HYDROLYSIS
10 1599 METHANOTROPHS//METHANE OXIDATION//METHANE EMISSION

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