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

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
3581 1952 28.1 66%


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
427 2             ACTIVATED SLUDGE//WATER SCIENCE AND TECHNOLOGY//ENGINEERING, ENVIRONMENTAL 16409
3581 1                   SLUDGE REDUCTION//WASTE ACTIVATED SLUDGE//EXCESS SLUDGE 1952

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 SLUDGE REDUCTION authKW 1938583 8% 76% 164
2 WASTE ACTIVATED SLUDGE authKW 1748406 11% 54% 208
3 EXCESS SLUDGE authKW 1019839 5% 72% 91
4 WASTE ACTIVATED SLUDGE WAS authKW 646103 3% 78% 53
5 SLUDGE DISINTEGRATION authKW 640799 3% 79% 52
6 ANAEROBIC DIGESTION authKW 485442 19% 8% 377
7 EXCESS SLUDGE REDUCTION authKW 393188 1% 93% 27
8 SLUDGE PRETREATMENT authKW 375770 2% 78% 31
9 SLUDGE MINIMIZATION authKW 319918 2% 68% 30
10 PRIMARY SLUDGE authKW 282747 2% 40% 45

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 Engineering, Environmental 63452 45% 0% 885
2 Water Resources 27901 32% 0% 629
3 Environmental Sciences 26050 55% 0% 1078
4 Agricultural Engineering 19197 13% 1% 250
5 Biotechnology & Applied Microbiology 5598 23% 0% 458
6 Energy & Fuels 3857 15% 0% 290
7 Engineering, Chemical 2456 16% 0% 309
8 Limnology 2442 4% 0% 86
9 Engineering, Civil 212 4% 0% 69
10 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 183 1% 0% 28

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 ENGN BEIJING 84249 1% 28% 19
2 SEA ENVIRONM SCI 45990 1% 29% 10
3 STATE POLLUT CONTROL OURCES REUSE 44837 3% 4% 64
4 UNIV IND TECHNOL ASTURIAS 43444 0% 56% 5
5 BEIJING WATER QUAL SCI WATER ENVIRONM R 38624 1% 10% 24
6 ORGAN EFFLUENT 31283 0% 100% 2
7 RECH INGN TECHNOL DECINES 31283 0% 100% 2
8 ENVIRONM SCI ENGN 31034 13% 1% 247
9 RECYCLING COMPETENCE 28152 0% 60% 3
10 TERRE 27802 0% 44% 4

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 WATER SCIENCE AND TECHNOLOGY 70884 16% 2% 303
2 BIORESOURCE TECHNOLOGY 50525 12% 1% 236
3 JOURNAL OF RESIDUALS SCIENCE & TECHNOLOGY 39087 2% 8% 31
4 WATER RESEARCH 23940 8% 1% 153
5 WATER ENVIRONMENT RESEARCH 20282 3% 2% 65
6 ENVIRONMENTAL TECHNOLOGY 14271 3% 1% 67
7 OZONE-SCIENCE & ENGINEERING 6384 1% 2% 24
8 ROCZNIK OCHRONA SRODOWISKA 5653 1% 2% 17
9 ULTRASONICS SONOCHEMISTRY 5381 2% 1% 32
10 JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 5321 2% 1% 38

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 SLUDGE REDUCTION 1938583 8% 76% 164 Search SLUDGE+REDUCTION Search SLUDGE+REDUCTION
2 WASTE ACTIVATED SLUDGE 1748406 11% 54% 208 Search WASTE+ACTIVATED+SLUDGE Search WASTE+ACTIVATED+SLUDGE
3 EXCESS SLUDGE 1019839 5% 72% 91 Search EXCESS+SLUDGE Search EXCESS+SLUDGE
4 WASTE ACTIVATED SLUDGE WAS 646103 3% 78% 53 Search WASTE+ACTIVATED+SLUDGE+WAS Search WASTE+ACTIVATED+SLUDGE+WAS
5 SLUDGE DISINTEGRATION 640799 3% 79% 52 Search SLUDGE+DISINTEGRATION Search SLUDGE+DISINTEGRATION
6 ANAEROBIC DIGESTION 485442 19% 8% 377 Search ANAEROBIC+DIGESTION Search ANAEROBIC+DIGESTION
7 EXCESS SLUDGE REDUCTION 393188 1% 93% 27 Search EXCESS+SLUDGE+REDUCTION Search EXCESS+SLUDGE+REDUCTION
8 SLUDGE PRETREATMENT 375770 2% 78% 31 Search SLUDGE+PRETREATMENT Search SLUDGE+PRETREATMENT
9 SLUDGE MINIMIZATION 319918 2% 68% 30 Search SLUDGE+MINIMIZATION Search SLUDGE+MINIMIZATION
10 PRIMARY SLUDGE 282747 2% 40% 45 Search PRIMARY+SLUDGE Search PRIMARY+SLUDGE

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 NEUMANN, P , PESANTE, S , VENEGAS, M , VIDAL, G , (2016) DEVELOPMENTS IN PRE-TREATMENT METHODS TO IMPROVE ANAEROBIC DIGESTION OF SEWAGE SLUDGE.REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY. VOL. 15. ISSUE 2. P. 173 -211 145 87% 1
2 TYAGI, VK , LO, SL , (2011) APPLICATION OF PHYSICO-CHEMICAL PRETREATMENT METHODS TO ENHANCE THE SLUDGE DISINTEGRATION AND SUBSEQUENT ANAEROBIC DIGESTION: AN UP TO DATE REVIEW.REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY. VOL. 10. ISSUE 3. P. 215 -242 132 83% 35
3 CARRERE, H , DUMAS, C , BATTIMELLI, A , BATSTONE, DJ , DELGENES, JP , STEYER, JP , FERRER, I , (2010) PRETREATMENT METHODS TO IMPROVE SLUDGE ANAEROBIC DEGRADABILITY: A REVIEW.JOURNAL OF HAZARDOUS MATERIALS. VOL. 183. ISSUE 1-3. P. 1-15 96 78% 271
4 ROMERO, P , COELLO, MD , QUIROGA, JM , ARAGON, CA , (2013) OVERVIEW OF SEWAGE SLUDGE MINIMISATION: TECHNIQUES BASED ON CELL LYSIS-CRYPTIC GROWTH.DESALINATION AND WATER TREATMENT. VOL. 51. ISSUE 31-33. P. 5918 -5933 113 91% 4
5 ATAY, S , AKBAL, F , (2016) CLASSIFICATION AND EFFECTS OF SLUDGE DISINTEGRATION TECHNOLOGIES INTEGRATED INTO SLUDGE HANDLING UNITS: AN OVERVIEW.CLEAN-SOIL AIR WATER. VOL. 44. ISSUE 9. P. 1198 -1213 85 89% 0
6 ZHEN, GY , LU, XQ , KATO, H , ZHAO, YC , LI, YY , (2017) OVERVIEW OF PRETREATMENT STRATEGIES FOR ENHANCING SEWAGE SLUDGE DISINTEGRATION AND SUBSEQUENT ANAEROBIC DIGESTION: CURRENT ADVANCES, FULL-SCALE APPLICATION AND FUTURE PERSPECTIVES.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 69. ISSUE . P. 559 -577 112 61% 0
7 GUO, WQ , YANG, SS , XIANG, WS , WANG, XJ , REN, NQ , (2013) MINIMIZATION OF EXCESS SLUDGE PRODUCTION BY IN-SITU ACTIVATED SLUDGE TREATMENT PROCESSES - A COMPREHENSIVE REVIEW.BIOTECHNOLOGY ADVANCES. VOL. 31. ISSUE 8. P. 1386-1396 67 87% 36
8 CARLSSON, M , LAGERKVIST, A , MORGAN-SAGASTUME, F , (2012) THE EFFECTS OF SUBSTRATE PRE-TREATMENT ON ANAEROBIC DIGESTION SYSTEMS: A REVIEW.WASTE MANAGEMENT. VOL. 32. ISSUE 9. P. 1634 -1650 77 59% 107
9 CANO, R , PEREZ-ELVIRA, SI , FDZ-POLANCO, F , (2015) ENERGY FEASIBILITY STUDY OF SLUDGE PRETREATMENTS: A REVIEW.APPLIED ENERGY. VOL. 149. ISSUE . P. 176 -185 53 82% 20
10 TYAGI, VK , LO, SL , APPELS, L , DEWIL, R , (2014) ULTRASONIC TREATMENT OF WASTE SLUDGE: A REVIEW ON MECHANISMS AND APPLICATIONS.CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY. VOL. 44. ISSUE 11. P. 1220 -1288 85 55% 24

Classes with closest relation at Level 1


Rank Class id link
1 6747 DEWATERABILITY//EXTRACELLULAR POLYMERIC SUBSTANCES//DEWATERING
2 20993 THERMOPHILIC AEROBIC DIGESTION//AUTOTHERMAL THERMOPHILIC AEROBIC DIGESTION//THERMOPHILIC AEROBIC DIGESTION TAD
3 267 ANAEROBIC DIGESTION//CO DIGESTION//BIOGAS
4 1217 ENHANCED BIOLOGICAL PHOSPHORUS REMOVAL//BIOLOGICAL PHOSPHORUS REMOVAL//EBPR
5 13654 HELMINTH EGGS//HELMINTH OVA//ASCARIS SUUM EGGS
6 13405 SEWAGE SLUDGE//OIL SLUDGE//LOW TEMPERATURE CONVERSION
7 18915 PICHIA ANGOPHORAE//ANAEROBIC DIGESTION//GELIDIUM AMANSII
8 26272 SULFATE LADEN ORGANICS//AC21 MEDIUM//ACID INSOLUBLE SUBSTANCES
9 16916 BIOLEACHING//THIOBACILLI//SEWAGE SLUDGE
10 6230 SYNTROPHIC ACETATE OXIDATION//ANAEROBIC DIGESTION//INTERSPECIES HYDROGEN TRANSFER

Go to start page