List of Tables
Table 1. Global Anaerobic Membrane Bioreactor (AnMBR) System Market Value by Type, (US$ Million) & (2024 VS 2031)
Table 2. Global Anaerobic Membrane Bioreactor (AnMBR) System Market Value by Application, (US$ Million) & (2024 VS 2031)
Table 3. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Capacity (Units) by Manufacturers in 2024
Table 4. Global Anaerobic Membrane Bioreactor (AnMBR) System Production by Manufacturers (2020-2025) & (Units)
Table 5. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Market Share by Manufacturers (2020-2025)
Table 6. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value by Manufacturers (2020-2025) & (US$ Million)
Table 7. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Share by Manufacturers (2020-2025)
Table 8. Global Key Players of Anaerobic Membrane Bioreactor (AnMBR) System, Industry Ranking, 2023 VS 2024
Table 9. Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Production Value in Anaerobic Membrane Bioreactor (AnMBR) System as of 2024)
Table 10. Global Market Anaerobic Membrane Bioreactor (AnMBR) System Average Price by Manufacturers (US$/Unit) & (2020-2025)
Table 11. Global Key Manufacturers of Anaerobic Membrane Bioreactor (AnMBR) System, Manufacturing Base Distribution and Headquarters
Table 12. Global Key Manufacturers of Anaerobic Membrane Bioreactor (AnMBR) System, Product Offered and Application
Table 13. Global Key Manufacturers of Anaerobic Membrane Bioreactor (AnMBR) System, Date of Enter into This Industry
Table 14. Global Anaerobic Membrane Bioreactor (AnMBR) System Manufacturers Market Concentration Ratio (CR5 and HHI)
Table 15. Mergers & Acquisitions, Expansion Plans
Table 16. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value by Region: 2020 VS 2024 VS 2031 (US$ Million)
Table 17. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) by Region (2020-2025)
Table 18. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Market Share by Region (2020-2025)
Table 19. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) Forecast by Region (2026-2031)
Table 20. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Market Share Forecast by Region (2026-2031)
Table 21. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Comparison by Region: 2020 VS 2024 VS 2031 (Units)
Table 22. Global Anaerobic Membrane Bioreactor (AnMBR) System Production (Units) by Region (2020-2025)
Table 23. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Market Share by Region (2020-2025)
Table 24. Global Anaerobic Membrane Bioreactor (AnMBR) System Production (Units) Forecast by Region (2026-2031)
Table 25. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Market Share Forecast by Region (2026-2031)
Table 26. Global Anaerobic Membrane Bioreactor (AnMBR) System Market Average Price (US$/Unit) by Region (2020-2025)
Table 27. Global Anaerobic Membrane Bioreactor (AnMBR) System Market Average Price (US$/Unit) by Region (2026-2031)
Table 28. Global Anaerobic Membrane Bioreactor (AnMBR) System Consumption Growth Rate by Region: 2020 VS 2024 VS 2031 (Units)
Table 29. Global Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Region (2020-2025) & (Units)
Table 30. Global Anaerobic Membrane Bioreactor (AnMBR) System Consumption Market Share by Region (2020-2025)
Table 31. Global Anaerobic Membrane Bioreactor (AnMBR) System Forecasted Consumption by Region (2026-2031) & (Units)
Table 32. Global Anaerobic Membrane Bioreactor (AnMBR) System Forecasted Consumption Market Share by Region (2026-2031)
Table 33. North America Anaerobic Membrane Bioreactor (AnMBR) System Consumption Growth Rate by Country: 2020 VS 2024 VS 2031 (Units)
Table 34. North America Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Country (2020-2025) & (Units)
Table 35. North America Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Country (2026-2031) & (Units)
Table 36. Europe Anaerobic Membrane Bioreactor (AnMBR) System Consumption Growth Rate by Country: 2020 VS 2024 VS 2031 (Units)
Table 37. Europe Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Country (2020-2025) & (Units)
Table 38. Europe Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Country (2026-2031) & (Units)
Table 39. Asia Pacific Anaerobic Membrane Bioreactor (AnMBR) System Consumption Growth Rate by Region: 2020 VS 2024 VS 2031 (Units)
Table 40. Asia Pacific Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Region (2020-2025) & (Units)
Table 41. Asia Pacific Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Region (2026-2031) & (Units)
Table 42. Latin America, Middle East & Africa Anaerobic Membrane Bioreactor (AnMBR) System Consumption Growth Rate by Country: 2020 VS 2024 VS 2031 (Units)
Table 43. Latin America, Middle East & Africa Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Country (2020-2025) & (Units)
Table 44. Latin America, Middle East & Africa Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Country (2026-2031) & (Units)
Table 45. Global Anaerobic Membrane Bioreactor (AnMBR) System Production (Units) by Type (2020-2025)
Table 46. Global Anaerobic Membrane Bioreactor (AnMBR) System Production (Units) by Type (2026-2031)
Table 47. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Market Share by Type (2020-2025)
Table 48. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Market Share by Type (2026-2031)
Table 49. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) by Type (2020-2025)
Table 50. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) by Type (2026-2031)
Table 51. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Market Share by Type (2020-2025)
Table 52. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Market Share by Type (2026-2031)
Table 53. Global Anaerobic Membrane Bioreactor (AnMBR) System Price (US$/Unit) by Type (2020-2025)
Table 54. Global Anaerobic Membrane Bioreactor (AnMBR) System Price (US$/Unit) by Type (2026-2031)
Table 55. Global Anaerobic Membrane Bioreactor (AnMBR) System Production (Units) by Application (2020-2025)
Table 56. Global Anaerobic Membrane Bioreactor (AnMBR) System Production (Units) by Application (2026-2031)
Table 57. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Market Share by Application (2020-2025)
Table 58. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Market Share by Application (2026-2031)
Table 59. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) by Application (2020-2025)
Table 60. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) by Application (2026-2031)
Table 61. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Market Share by Application (2020-2025)
Table 62. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Market Share by Application (2026-2031)
Table 63. Global Anaerobic Membrane Bioreactor (AnMBR) System Price (US$/Unit) by Application (2020-2025)
Table 64. Global Anaerobic Membrane Bioreactor (AnMBR) System Price (US$/Unit) by Application (2026-2031)
Table 65. Evoqua Water Technologies Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 66. Evoqua Water Technologies Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 67. Evoqua Water Technologies Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 68. Evoqua Water Technologies Main Business and Markets Served
Table 69. Evoqua Water Technologies Recent Developments/Updates
Table 70. SUEZ Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 71. SUEZ Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 72. SUEZ Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 73. SUEZ Main Business and Markets Served
Table 74. SUEZ Recent Developments/Updates
Table 75. Veolia Water Technologies Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 76. Veolia Water Technologies Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 77. Veolia Water Technologies Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 78. Veolia Water Technologies Main Business and Markets Served
Table 79. Veolia Water Technologies Recent Developments/Updates
Table 80. Hinada Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 81. Hinada Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 82. Hinada Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 83. Hinada Main Business and Markets Served
Table 84. Hinada Recent Developments/Updates
Table 85. Ovivo Water Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 86. Ovivo Water Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 87. Ovivo Water Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 88. Ovivo Water Main Business and Markets Served
Table 89. Ovivo Water Recent Developments/Updates
Table 90. Aquabio Ltd Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 91. Aquabio Ltd Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 92. Aquabio Ltd Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 93. Aquabio Ltd Main Business and Markets Served
Table 94. Aquabio Ltd Recent Developments/Updates
Table 95. HUBER Technology Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 96. HUBER Technology Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 97. HUBER Technology Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 98. HUBER Technology Main Business and Markets Served
Table 99. HUBER Technology Recent Developments/Updates
Table 100. Koch Membrane Systems Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 101. Koch Membrane Systems Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 102. Koch Membrane Systems Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 103. Koch Membrane Systems Main Business and Markets Served
Table 104. Koch Membrane Systems Recent Developments/Updates
Table 105. EnviroChemie Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 106. EnviroChemie Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 107. EnviroChemie Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 108. EnviroChemie Main Business and Markets Served
Table 109. EnviroChemie Recent Developments/Updates
Table 110. KUBOTA Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 111. KUBOTA Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 112. KUBOTA Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 113. KUBOTA Main Business and Markets Served
Table 114. KUBOTA Recent Developments/Updates
Table 115. Envirogen Technologies Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 116. Envirogen Technologies Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 117. Envirogen Technologies Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 118. Envirogen Technologies Main Business and Markets Served
Table 119. Envirogen Technologies Recent Developments/Updates
Table 120. Pentair Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 121. Pentair Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 122. Pentair Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 123. Pentair Main Business and Markets Served
Table 124. Pentair Recent Developments/Updates
Table 125. MAK Water Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 126. MAK Water Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 127. MAK Water Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 128. MAK Water Main Business and Markets Served
Table 129. MAK Water Recent Developments/Updates
Table 130. Sartorius Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 131. Sartorius Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 132. Sartorius Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 133. Sartorius Main Business and Markets Served
Table 134. Sartorius Recent Developments/Updates
Table 135. ASIO Anaerobic Membrane Bioreactor (AnMBR) System Company Information
Table 136. ASIO Anaerobic Membrane Bioreactor (AnMBR) System Specification and Application
Table 137. ASIO Anaerobic Membrane Bioreactor (AnMBR) System Production (Units), Value (US$ Million), Price (US$/Unit) and Gross Margin (2020-2025)
Table 138. ASIO Main Business and Markets Served
Table 139. ASIO Recent Developments/Updates
Table 140. Key Raw Materials Lists
Table 141. Raw Materials Key Suppliers Lists
Table 142. Anaerobic Membrane Bioreactor (AnMBR) System Distributors List
Table 143. Anaerobic Membrane Bioreactor (AnMBR) System Customers List
Table 144. Anaerobic Membrane Bioreactor (AnMBR) System Market Trends
Table 145. Anaerobic Membrane Bioreactor (AnMBR) System Market Drivers
Table 146. Anaerobic Membrane Bioreactor (AnMBR) System Market Challenges
Table 147. Anaerobic Membrane Bioreactor (AnMBR) System Market Restraints
Table 148. Research Programs/Design for This Report
Table 149. Key Data Information from Secondary Sources
Table 150. Key Data Information from Primary Sources
Table 151. Authors List of This Report
List of Figures
Figure 1. Product Picture of Anaerobic Membrane Bioreactor (AnMBR) System
Figure 2. Global Anaerobic Membrane Bioreactor (AnMBR) System Market Value by Type, (US$ Million) & (2020-2031)
Figure 3. Global Anaerobic Membrane Bioreactor (AnMBR) System Market Share by Type: 2024 VS 2031
Figure 4. Hollow Fiber AnMBR Product Picture
Figure 5. Flat Sheet AnMBR Product Picture
Figure 6. Others Product Picture
Figure 7. Global Anaerobic Membrane Bioreactor (AnMBR) System Market Value by Application, (US$ Million) & (2020-2031)
Figure 8. Global Anaerobic Membrane Bioreactor (AnMBR) System Market Share by Application: 2024 VS 2031
Figure 9. Wastewater Treatment
Figure 10. Brewery and Beverage
Figure 11. Pulp and Paper
Figure 12. Textile Industr
Figure 13. Others
Figure 14. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million), 2020 VS 2024 VS 2031
Figure 15. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) & (2020-2031)
Figure 16. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Capacity (Units) & (2020-2031)
Figure 17. Global Anaerobic Membrane Bioreactor (AnMBR) System Production (Units) & (2020-2031)
Figure 18. Global Anaerobic Membrane Bioreactor (AnMBR) System Average Price (US$/Unit) & (2020-2031)
Figure 19. Anaerobic Membrane Bioreactor (AnMBR) System Report Years Considered
Figure 20. Anaerobic Membrane Bioreactor (AnMBR) System Production Share by Manufacturers in 2024
Figure 21. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Share by Manufacturers (2024)
Figure 22. Anaerobic Membrane Bioreactor (AnMBR) System Market Share by Company Type (Tier 1, Tier 2, and Tier 3): 2020 VS 2024
Figure 23. The Global 5 and 10 Largest Players: Market Share by Anaerobic Membrane Bioreactor (AnMBR) System Revenue in 2024
Figure 24. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value by Region: 2020 VS 2024 VS 2031 (US$ Million)
Figure 25. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Value Market Share by Region: 2020 VS 2024 VS 2031
Figure 26. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Comparison by Region: 2020 VS 2024 VS 2031 (Units)
Figure 27. Global Anaerobic Membrane Bioreactor (AnMBR) System Production Market Share by Region: 2020 VS 2024 VS 2031
Figure 28. North America Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) Growth Rate (2020-2031)
Figure 29. Europe Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) Growth Rate (2020-2031)
Figure 30. China Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) Growth Rate (2020-2031)
Figure 31. Japan Anaerobic Membrane Bioreactor (AnMBR) System Production Value (US$ Million) Growth Rate (2020-2031)
Figure 32. Global Anaerobic Membrane Bioreactor (AnMBR) System Consumption by Region: 2020 VS 2024 VS 2031 (Units)
Figure 33. Global Anaerobic Membrane Bioreactor (AnMBR) System Consumption Market Share by Region: 2020 VS 2024 VS 2031
Figure 34. North America Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 35. North America Anaerobic Membrane Bioreactor (AnMBR) System Consumption Market Share by Country (2020-2031)
Figure 36. U.S. Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 37. Canada Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 38. Europe Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 39. Europe Anaerobic Membrane Bioreactor (AnMBR) System Consumption Market Share by Country (2020-2031)
Figure 40. Germany Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 41. France Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 42. U.K. Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 43. Italy Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 44. Netherlands Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 45. Asia Pacific Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 46. Asia Pacific Anaerobic Membrane Bioreactor (AnMBR) System Consumption Market Share by Region (2020-2031)
Figure 47. China Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 48. Japan Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 49. South Korea Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 50. China Taiwan Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 51. Southeast Asia Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 52. India Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 53. Latin America, Middle East & Africa Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 54. Latin America, Middle East & Africa Anaerobic Membrane Bioreactor (AnMBR) System Consumption Market Share by Country (2020-2031)
Figure 55. Mexico Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 56. Brazil Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 57. Turkey Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 58. GCC Countries Anaerobic Membrane Bioreactor (AnMBR) System Consumption and Growth Rate (2020-2031) & (Units)
Figure 59. Global Production Market Share of Anaerobic Membrane Bioreactor (AnMBR) System by Type (2020-2031)
Figure 60. Global Production Value Market Share of Anaerobic Membrane Bioreactor (AnMBR) System by Type (2020-2031)
Figure 61. Global Anaerobic Membrane Bioreactor (AnMBR) System Price (US$/Unit) by Type (2020-2031)
Figure 62. Global Production Market Share of Anaerobic Membrane Bioreactor (AnMBR) System by Application (2020-2031)
Figure 63. Global Production Value Market Share of Anaerobic Membrane Bioreactor (AnMBR) System by Application (2020-2031)
Figure 64. Global Anaerobic Membrane Bioreactor (AnMBR) System Price (US$/Unit) by Application (2020-2031)
Figure 65. Anaerobic Membrane Bioreactor (AnMBR) System Value Chain
Figure 66. Channels of Distribution (Direct Vs Distribution)
Figure 67. Bottom-up and Top-down Approaches for This Report
Figure 68. Data Triangulation