Download Biological Sludge Minimization and Biomaterials/Bioenergy by Etienne Paul, Yu Liu PDF

By Etienne Paul, Yu Liu

A complete consultant to sludge administration, reuse, and disposal

When wastewater is handled, decreasing natural fabric to carbon dioxide, water, and bacterial cells?the cells are disposed of, generating a semisolid and nutrient-rich byproduct known as sludge. the growth in worldwide inhabitants and business task has grew to become the creation of extra sludge into a world environmental problem, with the last word disposal of extra sludge now essentially the most dear difficulties confronted through wastewater amenities.

Written through prime environmental engineers, Biological Sludge Minimization and Biomaterials/Bioenergy restoration applied sciences offers a accomplished examine state of the art strategies for lowering sludge creation, changing sludge right into a value-added fabric, recuperating worthwhile assets from sludge, and sludge incineration. Reflecting the effect of latest stringent environmental laws, this publication deals a frank appraisal of the way sludge will be realistically controlled, protecting key issues and the newest instruments:

  • Fundamentals of organic approaches for wastewater therapy, wastewater microbiology, and microbial metabolism, necessary to figuring out how sludge is produced
  • Prediction of basic sludge and waste-activated sludge construction, one of the leader layout and operational demanding situations of a wastewater therapy plant
  • Technologies for sludge aid, with a spotlight on decreasing microbial progress yield in addition to improving sludge disintegration
  • The use of anerobic digestion of sewage sludge for biogas restoration, by way of technique basics, layout, and operation
  • The use of the microbial gas phone (MFC) procedure for the sustainable therapy of natural wastes and electricity recovery

Content:
Chapter 1 basics of organic strategies for Wastewater therapy (pages 1–80): Jianlong Wang
Chapter 2 Sludge construction: Quantification and Prediction for city therapy vegetation and overview of thoughts for Sludge relief (pages 81–116): Mathieu Sperandio, Etienne Paul, Yolaine Bessiere and Yu Liu
Chapter three Characterization of Municipal Wastewater and Sludge (pages 117–154): Etienne Paul, Xavier Lefebvre, Mathieu Sperandio, Dominique Lefebvre and Yu Liu
Chapter four Oxic?Settling?Anaerobic technique for more suitable Microbial Decay (pages 155–182): Qingliang Zhao and Jianfang Wang
Chapter five strength Uncoupling for Sludge Minimization: execs and CONS (pages 183–208): Bo Jiang, Yu Liu and Etienne Paul
Chapter 6 aid of extra Sludge creation utilizing Ozonation or Chlorination: functionality and Mechanisms of motion (pages 209–248): Etienne Paul, Qi?Shan Liu and Yu Liu
Chapter 7 High?Dissolved?Oxygen organic method for Sludge relief (pages 249–260): Zhi?Wu Wang
Chapter eight Minimizing extra Sludge creation via Membrane Bioreactors and built-in techniques (pages 261–290): Philip Chuen?Yung Wong
Chapter nine Microbial gasoline cellphone know-how for Sustainable therapy of natural Wastes and electricity restoration (pages 291–318): Shi?Jie You, Nan?Qi Ren and Qing?Liang Zhao
Chapter 10 Anaerobic Digestion of Sewage Sludge (pages 319–347): Kuan?Yeow convey, Duu?Jong Lee and Joo?Hwa Tay
Chapter eleven Mechanical Pretreatment?Assisted organic tactics (pages 349–371): Helene Carrere, Damien J. Batstone and Etienne Paul
Chapter 12 Thermal the right way to improve organic remedy approaches (pages 373–404): Etienne Paul, Helene Carrere and Damien J. Batstone
Chapter thirteen Combustion, Pyrolysis, and Gasification of Sewage Sludge for strength restoration (pages 405–427): Yong?Qiang Liu, Joo?Hwa Tay and Yu Liu
Chapter 14 cardio Granular Sludge know-how for Wastewater therapy (pages 429–463): Bing?Jie Ni and Han?Qing Yu
Chapter 15 Biodegradable Bioplastics from Fermented Sludge, Wastes, and Effluents (pages 465–498): Etienne Paul, Elisabeth Neuhauser and Yu Liu

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The extent of bias or uncertainty is indicated by the size of the dash; finely dashed lines indicate that current methods for measurement or calculation of these parameters may be indeterminate. ] 22 FUNDAMENTALS OF BIOLOGICAL PROCESSES FOR WASTEWATER TREATMENT the Sedgewick–Rafter chamber for algal counts. The use of a phase-contrast microscope is required when nonphotosynthetic microorganisms are under consideration. Presently, the most popular method consists of retaining the cells on a membrane filter treated to suppress autofluorescence (use of polycarbonate filters treated with Irgalan black) and staining the cells with fluorochromes, such as acridine orange or 40 ,6-diamidino-2-phenylindol (DAPI).

The cilia give the appearance of two rotating wheels at the head of the rotifer. Epiphanes is a large rotifer, reaching 600 mm in length. Some rotifers are as small as 100 mm. 4 Schematic diagram of a typical rotifer. SOME IMPORTANT MICROORGANISMS IN WASTEWATER TREATMENT 19 have several micrograms per liter of dissolved oxygen in order to grow. They can survive for several hours in low dissolved oxygen (DO) environments, but not for long periods. In the presence of large bacteria populations and adequate DO, rotifers will quickly eat most of the bacteria, even if the bacteria are flocculated.

Since light energy is absorbed by water, growth of the algae occurs near the water surface. The photosynthetic pigments in the algae convert light energy into chemical energy by electron transfer. The rate of energy production in algae is a function of the surface area of photosynthetic pigments and the light intensity. In addition to light, algae need a source of carbon for cell protoplasm. Carbon dioxide is the primary carbon source for algae. 03% carbon dioxide, giving very little pressure for transferring carbon dioxide into natural waters.

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