Boosting biogas yield of anaerobic digesters by utilizing concentrated molasses from 2nd generation bioethanol plant
... reserved. Boosting biogas yield of anaerobic digesters by utilizing concentrated molasses from 2 nd generation bioethanol plant Shiplu Sarker 1 , Henrik Bjarne Møller 2 1 Department of Renewable ... volumetric yield. Closed circles: Biogas yield from R (CM+M); Open triangles: Biogas yield from R (CM); Dotted line: Methane yield from R (CM+M); Sol...
Ngày tải lên: 05/09/2013, 16:10
... goals of anaerobic digesters are to biologically destroy a significant portion of the volatile solids in sludge and to minimize the putrescibility of sludge. The main products of anaerobic digesters ... anaerobic digesters for the treatment of soluble organic compounds in their wastewaters. Anaerobic digesters perform most of the degradation of organic compounds a...
Ngày tải lên: 08/04/2014, 13:12
... microbiological aspects of anaerobic consortia from waste-water treatment plants in the reductive decolorization of azo and anthraquinone dyes. A large proportion of textile waste-waters, mainly from the dyebath ... efficiency by digested sludge The potential of digested sludge on MO and RB4 tested by variation of dye concentration was shown by the different extent of...
Ngày tải lên: 05/09/2013, 09:38
A STUDY ON SOLUBILIZATION OF EXCESS SLUDGE BY HIGH SPEED ROTARY DISK PROCESS
... production of BOD 5 by hydrolase and the consumption of BOD 5 by active biomass. Therefore, the rapid increase of BOD 5 during the initial period was likely due to hydrolyzation of fragment of cell by ... treatment of high concentration of sludge; 2) investigation of optimal operating condition; 3) extent of improvement of lower molecular through hydrolysis; 4) estim...
Ngày tải lên: 05/09/2013, 08:40
Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body
... outlet of equipment out of experimental area Figure 5 Variation of Transparency Variation of COD concentration Variation of COD concentrations at the outlet of equipment and the outside of experimental ... influence of these disturbances was found. Some sampling points were selected. They are the outlet of plant, the outside of experimental area, 5 points of horizontal...
Ngày tải lên: 05/09/2013, 08:40
NOVEL RESTORATION TECHNOLOGY FOR PUZRIFICATION OF WATER QUALITY IN CLOSED WATER BODY BY HIGH CONCENTRATED OXYGEN WATER
... method of making high concentrated oxygen water was discussed in this study. In addition, the inhibition of phosphorus release was also studied. On the basis of the fundamental knowledge from the ... /day of high concentrated oxygen water could be made with this high concentrated oxygen dissolver. 0 20 40 60 80 300 500 700 900 0 500 1000 1500 concentration of dissolve oxygen...
Ngày tải lên: 05/09/2013, 08:40
Treatment of Textile Wastewater by a Coupling of Activated Sludge Process with Membrane Separation
... minutes Fig. 4. Effect of backflush interval on the flux, MLSS of 8700 mg/l, TMP of 0.4 bar, CFV of 0.88 m/s, backflushing pressure of 1.5 bar and backflushing interval of 1 s. 22 23 24 25 26 0 ... bar Fig. 5. Effect of backflush pressure on the flux, MLSS of 8700 mg/l, TMP of 0.4 bar, CFV of 0.88 m/s, backflushing pressure of 1.5 bar and backflushing interval...
Ngày tải lên: 05/09/2013, 09:08
Removal of Nutrients, Organic Matter and Heavy Metals from Paddy Field Drainage by Charcoal
... time of more than one hour. The reduction rates of TOC and TN ranged from 20 % to 40 %. The reduction rate of TP ranged from 20 % to 90 %. The reduction rates of metals (Cr, Fe, Pb) ranged from ... that the behavior of TP differs from that of TOC and TN in the equipment. The CVs in heavy metals were larger than those of TOC, TN and TP. Especially, the CV of Fe...
Ngày tải lên: 05/09/2013, 09:38
Present Status and Feature of Groundwater Contamination by Nitrate-nitrogen in Kumamoto City
... concentration range from 3.2 to 5.4 mg/l. It is presumed that the main groundwater flow into the second aquifer of Group 1 area is from Ueki plateau, and that of Group 2 area is from Kikuchi plateau. ... Kumamoto city is roughly indicated by the arrows in Fig. 2. The main water flow is from the western foot of Mt. Aso to Ariake Sea through the middle-southern part of the...
Ngày tải lên: 05/09/2013, 09:38
Quantification of Microcystin-degrading Bacteria in a Biofilm from a Practical Biological Treatment Facility by Real-time PCR
... Rapala et al., 2005 * Isolated by our research group ** Provided by Dr. Fujimoto from Tokyo University of Agriculture Biofilm samples Samples of biofilm (10 g) were taken from a biological contact ... Quantification of microcystin-degrading bacteria by real-time PCR The standard curve was generated from serial 10-fold dilutions of DNA carrying the mlrA of strain C-1. The...
Ngày tải lên: 05/09/2013, 10:15