reducing production of excess biomass during wastewater treatment

... con- siderable impetus for reducing the amount of biomass produced. This paper reviews biomass production during wastewater treatment and identi®es methods for reducing the quantity of biomass produced. ... for reducing the amount of biomass produced. The purpose of this review is to develop a com- prehensive account of how pollutant metabolism leads to biomas...

Ngày tải lên: 11/03/2014, 23:04

... domestic wastewater reclamation coupled with biofuel /biomass production based on microalgae considers wastewater as a kind of resource instead of just waste, and shifts the wastewater treatment ... produce biofuel are the key points of the novel process, which determine the wastewater treatment efficiency and the net energy production of the whole process. Therefo...

Ngày tải lên: 05/09/2013, 10:17

... retention time (HRT) of 17 h (Ozer and Kasirga, 1995), (ii) to investigate the valorisation in wastewater treatment field of waste biomass of A. niger and (iii) to verify the secretion of extracellular ... industries to produce enzymes. The residual biomasses of these fermentations are often stocked in landfill. Otherwise, as it is well known, active fungal biomass of...

Ngày tải lên: 05/09/2013, 09:08

... examined the applicability of the nitrification/denitrification process for the treatment of coak-oven wastewater diluted with sea water. In the preliminary - 29 - Journal of Water and Environment ... activities of nitrite oxidizing bacteria. - 31 - Journal of Water and Environment Technology, Vol.5, No.1, 2007 Figure 2 Behavior of nitrate and nitrite at the end of th...

Ngày tải lên: 05/09/2013, 09:38

... of resource use at the wastewater treatment plant and of the discharged effluent, but also the impact on global and local scales of the production of external inputs used at the plant and during ... Potential of local health damage Literature Review of Existing Situation on Wastewater Management and the Objectives of the System Identification of Potential S...

Ngày tải lên: 05/09/2013, 10:15

... Graduate School of Engineering, Kanazawa Institute of Technology, Ishikawa 921-8501 Japan **Department of Applied Chemistry, College of Bioscience and Chemistry, Kanazawa Institute of Technology, ... degradation Table 1 - Results of tetracycline degradation test for Unoke River water and wastewater treatment plant effluent Sample Volume (mL) Unoke River Water Wastewat...

Ngày tải lên: 05/09/2013, 10:15

... biodegradation during the first 4 days of incubation period and became persistent. This degradation of binding sites was also in line with the increment of labile Zn concentration during the first ... weeks. Biodegradability of zinc binding sites in DOM of WWTP effluent in river water Fig. 3 shows the variation of DOC, UV 254 and SUVA during the incubation of DOM i...

Ngày tải lên: 05/09/2013, 10:15

... Southeast wastewater treatment plant processes an average of 3 million gallons of wastewater daily. The main step in the treatment process is the separation of solids, which accounts for about 2% of ... WWTP processes Pollution of receiving water courses following upset of wastewater treatment process by industrial discharges Adequate pretreatment of indust...

Ngày tải lên: 05/09/2013, 15:28

... Proportion of WTP Differences for Wastewater Treatment Programme Attributes Falling Below Zero Quality of Treated Wastewater Quantity of Treated Wastewater Regeneration of the Park ... utility of any attributes not included in choice specific wastewater treatment programme attributes, n is the number of wastewater treatment programme attributes considered,...

Ngày tải lên: 18/02/2014, 01:20

... during t he thermal treatment, h ydrolysis of BLG was extensive, in spite of significant inactivation of the enzymes. This indicates that t he transient c onformers originating in the course of ... leftovers of strand D via a disulfide b ridge to Cys66 [5]. Immunoreactivity of the products of BLG hydrolysis As stated in the introduction, one of the goals of this work was to...

Ngày tải lên: 21/02/2014, 15:20