Class information for:
Level 1: SLUDGE REDUCTION//WASTE ACTIVATED SLUDGE//EXCESS SLUDGE

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
4210 1750 26.5 64%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
493 14756 ANAEROBIC DIGESTION//BIOHYDROGEN//DARK FERMENTATION

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 SLUDGE REDUCTION Author keyword 144 66% 8% 135
2 WASTE ACTIVATED SLUDGE Author keyword 127 52% 10% 174
3 EXCESS SLUDGE Author keyword 71 59% 5% 79
4 WASTE ACTIVATED SLUDGE WAS Author keyword 64 79% 2% 41
5 SLUDGE DISINTEGRATION Author keyword 50 71% 2% 41
6 EXCESS SLUDGE REDUCTION Author keyword 45 83% 1% 25
7 SLUDGE PRETREATMENT Author keyword 27 74% 1% 20
8 SLUDGE MINIMIZATION Author keyword 23 64% 1% 23
9 SLUDGE SOLUBILIZATION Author keyword 23 76% 1% 16
10 PRIMARY SLUDGE Author keyword 23 41% 2% 43

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 SLUDGE REDUCTION 144 66% 8% 135 Search SLUDGE+REDUCTION Search SLUDGE+REDUCTION
2 WASTE ACTIVATED SLUDGE 127 52% 10% 174 Search WASTE+ACTIVATED+SLUDGE Search WASTE+ACTIVATED+SLUDGE
3 EXCESS SLUDGE 71 59% 5% 79 Search EXCESS+SLUDGE Search EXCESS+SLUDGE
4 WASTE ACTIVATED SLUDGE WAS 64 79% 2% 41 Search WASTE+ACTIVATED+SLUDGE+WAS Search WASTE+ACTIVATED+SLUDGE+WAS
5 SLUDGE DISINTEGRATION 50 71% 2% 41 Search SLUDGE+DISINTEGRATION Search SLUDGE+DISINTEGRATION
6 EXCESS SLUDGE REDUCTION 45 83% 1% 25 Search EXCESS+SLUDGE+REDUCTION Search EXCESS+SLUDGE+REDUCTION
7 SLUDGE PRETREATMENT 27 74% 1% 20 Search SLUDGE+PRETREATMENT Search SLUDGE+PRETREATMENT
8 SLUDGE MINIMIZATION 23 64% 1% 23 Search SLUDGE+MINIMIZATION Search SLUDGE+MINIMIZATION
9 SLUDGE SOLUBILIZATION 23 76% 1% 16 Search SLUDGE+SOLUBILIZATION Search SLUDGE+SOLUBILIZATION
10 PRIMARY SLUDGE 23 41% 2% 43 Search PRIMARY+SLUDGE Search PRIMARY+SLUDGE

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 WASTE ACTIVATED SLUDGE 292 55% 21% 365
2 EXCESS SLUDGE 264 79% 10% 168
3 SECONDARY SLUDGE 80 71% 4% 65
4 THERMAL PRETREATMENT 73 57% 5% 86
5 DISINTEGRATION 61 23% 13% 234
6 ANAEROBIC DIGESTION 56 13% 23% 396
7 THERMOCHEMICAL PRETREATMENT 54 64% 3% 54
8 ULTRASONIC PRETREATMENT 42 71% 2% 34
9 REDUCE EXCESS SLUDGE 32 88% 1% 15
10 CHEMICAL UNCOUPLERS 30 100% 1% 12

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Pretreatment methods to improve sludge anaerobic degradability: A review 2010 176 123 81%
Ultrasonic pretreatment of sludge: A review 2011 121 79 56%
The effects of substrate pre-treatment on anaerobic digestion systems: A review 2012 59 131 63%
Minimization of excess sludge production by in-situ activated sludge treatment processes - A comprehensive review 2013 22 77 88%
Principles and potential of the anaerobic digestion of waste-activated sludge 2008 449 112 29%
A review of the production and applications of waste-derived volatile fatty acids 2014 28 149 34%
Minimization of excess sludge production for biological wastewater treatment 2003 276 84 77%
Progress and perspectives of sludge ozonation as a powerful pretreatment method for minimization of excess sludge production 2009 67 59 92%
Microwave irradiation: A sustainable way for sludge treatment and resource recovery 2013 19 88 52%
A review of secondary sludge reduction technologies for the pulp and paper industry 2006 94 52 62%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 RECYCLING COMPETENCE 6 80% 0.2% 4
2 WATER RECLAMAT PLANTS 6 80% 0.2% 4
3 SEA ENVIRONM SCI 5 34% 0.6% 11
4 UNIV IND TECHNOL ASTURIAS 4 67% 0.2% 4
5 VIVENDI WATER 3 57% 0.2% 4
6 ENGN BEIJING 2 27% 0.5% 8
7 GRP RECH EAU SOL ENVIRONM 2 24% 0.5% 8
8 WATER OURCES TRANSPORTAT 2 67% 0.1% 2
9 GOLDFIELDS BIOTECHNOL 2 50% 0.2% 3
10 VEOLIA ENVIRONM RD 2 50% 0.2% 3

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000217282 DEWATERABILITY//CAPILLARY SUCTION TIME//EXTRACELLULAR POLYMERIC SUBSTANCES
2 0.0000194572 THERMOPHILIC AEROBIC DIGESTION//THERMOPHILIC AEROBIC DIGESTION TAD//AUTOTHERMAL THERMOPHILIC AEROBIC DIGESTION
3 0.0000155364 ANAEROBIC DIGESTION//BIOGAS//CO DIGESTION
4 0.0000093958 ADM1//PIECEWISE CONTINUOUS SYSTEMS//ANAEROBIC PROCESS CONTROL
5 0.0000083973 HELMINTH OVA//ASCARIS SUUM EGGS//HELMINTH EGGS
6 0.0000079281 ENHANCED BIOLOGICAL PHOSPHORUS REMOVAL//BIOLOGICAL PHOSPHORUS REMOVAL//GLYCOGEN ACCUMULATING ORGANISMS
7 0.0000073664 SLUDGE CHAR//LOW TEMPERATURE CONVERSION//CIENCIA TECNOL MEDIO AMBIENTE
8 0.0000066642 COD FRACTIONATION//ITU INSAAT FAK//RESPIROMETRY
9 0.0000063389 UASB//ANAEROBIC TREATMENT//UASB REACTOR
10 0.0000062703 ENVIRONM CHEM WATER WASTEWATER TECHNOL//CHEM WATER WASTEWATER TECHNOL//IN SITU OZONATION