1. - removal of excess activated sludge,

2. Key words: aerobic digestion, biological nutrient removal, denitrification, methanol, sludge dewaterability.

3. - biological treatment (activated sludge, extended aeration, phosphorus removal and settling downstream),

4. - secondary settling basin 20 m in diameter, with recirculation of activated sludge, removal of excess sludge and sedimentation of suspended particulates.

5. Headers (132) collect the sludge for removal from the basin through the pipes.

6. Key words: nitrogen removal, step feeding, anoxic–aerobic process, activated sludge, solid retention time.

7. Key words: biological nutrient removal, carbon source, digested sludge supernatant, thermophilic aerobic digestion, volatile fatty acids.

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9. Key words: nitrogen removal, ammonia, step-feed, nitrification, denitrification, anoxic, aerobic, return activated sludge, solids retention time.

10. Key words: biological phosphorus removal, short-chain volatile fatty acids, phosphorus release, substrate utilization, primary sludge fermentation.

11. Membrane coupled activated sludge method and apparatus operating anoxic/anaerobic process alternately for removal of nitrogen and phosphorous

12. Soil sludge, compost sludge, bio-sludge and clarified sludge mixers (machines)

13. The removal of selected toxic compounds during anaerobic and aerobic digestion of municipal sludge was investigated at pilot scale.

14. Screw conveyors, in particular for sludge, including digested sludge, industrial sludge or sewage sludge

15. Sludge collector having sludge collecting block

16. Sludge heating unit, sludge heating method, and sludge hydrolysis apparatus using same

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18. The treatment plant will use an activated sludge process with extended aeration and nitrogen and phosphorous removal in an carousel-type biological reactor.

19. Four different kinds of sludge were used: alum sludge (water treatment), waste-activated sludge, simultaneous precipitation, and anaerobically digested mixed sludge.

20. - Activated sludge : sludge sampling sites and concentration,

21. The respiration of microbes in activated sludge is in close relation to the removal of the substratum in wastewater and the growth of microbes.

22. The sludge is pumped into a sludge digester, and from there it goes into the sludge chamber.

23. SLUDGE ACID

24. Activated sludge

25. Sterols entering the activated sludge treatment systems were generally removed from the effluents with average removal efficiencies of 72 and 66% for the two mills surveyed.

26. The sludge removal from tanks is the specialised sort of the earthwork, which covers three fields of the specialised activities – earthworks, building activities and waste disposal.

27. The digested sludge is dewatered and the liquid sludge fraction and the liquid component of the dewatered digested sludge is passed to an activated sludge tank (6).

28. Other things or covers for air - water cooler is forbidden. Keep cooler clean.

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30. - re-circulation of activated sludge and pumping off of excess sludge,

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34. - sludge storage basin,

35. Sludge supply device

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37. Sludge-processing device

38. the office water cooler.

39. mean sludge age and mean hydraulic retention time; method of sludge wastage; methods of overcoming bulking, loss of sludge, etc. ;

40. mean sludge age and mean hydraulic retention time; method of sludge wastage; methods of overcoming bulking, loss of sludge, etc.

41. Sludge will be treated using an activated sludge process, entailing prolonged aeration.

42. Guarantee proper operation of secondary clarifier sludge collection and return sludge pumping

43. Activated sludge process

44. Activated sludge chambers

45. Sludge-drying apparatus

46. Cooler structure for surface cooling

47. You're going in a cooler.

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49. Most species prefer cooler environments.

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51. Digested sludge inoculum (Vl )

52. water pressure after cooler [kPa]

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57. Activated sludge plant: overviews

58. Activated sludge treatment systems

59. Digestion of organic sludge

60. Inoculation with activated sludge

61. Cesspits Equal footing, as it would seem In pursuant to containing The human sludge Rank sludge, foul sludge The sludge Standing of the near-immaculate Must still be shielded from The unfortunate

62. cooler temperatures arrive after that.

63. Activated sludge plant: detail

64. Device for removing bottom sludge and/or floating sludge from circular settling basins

65. From Sludge to Soil

66. (32) Conventional treated sewage sludge includes lagoon stored, thickened and mesophilic anaerobic digested sludge.

67. - Recirculation of activated sludge

68. You drank that sludge?

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70. Pressure after charge air cooler, kPa

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72. Activated sludge respiration inhibition testing

73. - buffer tank for digested sludge

74. After we'd finished with the cooler.

75. In another embodiment, a baffle (32) is provided in the aeration chamber (210A) to provide a quiescent zone (33) wherein sludge is allowed to float and thicken for subsequent removal.

76. Activated sludge and chemical precipitation treatment of wastewater containing anionic dyes resulted in dye removal efficiencies of less than 25% for Brilliant Blue(2), suggesting that biodegradation in soils is not

77. Treatment of sludge, in particular fatty sludge, by means of hydrolysis and aerobic digestion of fats

78. - Settling properties of activated sludge : the activated sludge in large flocs, must have good settling properties.

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