CFD studies on biomass gasification in a pilotscale dual fluidizedbed system

Tar abatement for clean syngas production during biomass gasification in a dual fluidized bed

... diameters and wall thickness with increasing catalyst load lead to an increase in the residence time for tar and hydrocarbons in the catalytic filter, favoring tar abatement However, these parameters ... the clean gas was around 0.25 g/Nm3 (N2 free, d.b.) A catalytically activated ceramic foam as additional reforming step for integration into the hollow-cylindrical space of the catalytically activated ... configurations for catalytic layer filter candles included an additionally integrated catalyst: a catalytically activated Al2O3-based hollow-cylindrical monolith integrated in the hollow cylindrical...

Dynamic modelling of biomass gasification in a cocurrent fixed bed gasifier

Báo cáo lâm nghiệp: "Eﬀect of leaf biomass and phenological structure of the canopy on plot growth in a deciduous hardwood forest in northern Japan" pot

... Annual leaf biomass was calculated by summing monthly leaffall To quantify the phenological pattern of leaffall and the corresponding phenological structure of the canopy, annual leaf biomass was ... 726 M Takiya et al Table I Stem number and basal area in the study plots Thinning was performed in 1984 Values (stem number and basal area just before and after thinning and thinning ratio) are ... differences in leaf biomass among the plots (Fig 3) In thinned plots (HT and LT), leaf biomass was reduced considerably by thinning in 1984 LT had 85.0% of the leaf biomass of UT, whereas HT had 55.3% of...

Syngas cleaning with nanostructured microporous ion exchange polymers in biomass gasification using a novel downdraft gasifier

... unit operations of this ammonia technology include gasification, syngas cleaning, gas separation and various reactors for ammonia conversion and steam reforming of syngas The integration of the ... method carried out with MWe scaled-up gasifier Colour of the flare (a) before syngas cleaning, (b) after syngas cleaning Conclusions We have shown that tar extraction from syngas using sulphonated ... catalytic conversion to fuels and chemicals such as ammonia This tar removal method was also applied to syngas cleaning in a MWe capacity gasifier (scaled up version of the current gasifier) and...

Nitrogen Dynamics and Biomass Production in a Vertical Flow Constructed Wetland Cultivated with Forage Rice and their Mathematical Modeling

... the leaf area Roughly, the plant height increased until 120 days after transplantation, and thereafter a constant height was maintained in every case The leaf area index (LAI), however, increased ... with forage rice is a fascinating subject To design an adequate VF constructed wetland using forage rice, it is required to understand in detail the dynamics of nutrients in the soil layer and ... a state variable Above-ground rice biomass, and underground rice biomass were calculated from the total nitrogen in rice with a certain proportional constant obtained from our experiments Basic...

IMPACT OF MATERNAL AND CHILD HEALTH STRATEGY ON CHILD SURVIVAL IN A RURAL COMMUNITY OF PONDICHERRY pptx

... devised and made popular Training of traditional birth attendants and health worker females on neonatal resuscitation and neonatal care has been successfully field tested in Chandigarh, India(12) and ... health care Indian J Med Edn 1967; 6:1-5 10 Government of India National Health Policy New Delhi, Ministry of Health and Family Welfare 1983; pp 1-7 11 Srinivasa DK, Danabalan M, Anand D Infant ... 391-398 20 Srinivasa DK, Danabalan M, Prabhakaran GN, Anand D Influence of maternal care, parity, birth weight on neonatal mortality: A prospective study in an urban community Indian J Med Res...

Tài liệu The impact of timely information on organisational performance in a supply chain

... resulting accurate and timely information (Cigolini et al 2004), and internal cost savings in functional areas such as warehousing, manufacturing, and accounting via the adoption of information ... papers in International Journal of Production Research, International Journal of Human Resource Management, Journal of Business and Industrial Marketing, Supply Chain Management: An International ... and Zacharia, Z.G., Defining supply chain management J Bus Logist., 2001, 22(2), 1–25 Morash, E .A and Clinton, S.R., The role of transportation capabilities in international supply chain management...

Báo cáo khoa học: "Effects of Protein Source and Energy Substrates on the In Vitro Development of Bovine Embryos in a Two-step Culture System" ppsx

... formation According to Liu and Foote [14] nonessential amino acids (NEAA) have a stimulatory effect upon all developmental stages, and essential amino acids (EAA) enhance blastocyst formation and the ... Non-essential amino acids d Bovine serum albumin (fatty acid free, fraction V) e Fetal bovine serum Ta ble Effect of protein source on the in vitro development of 2-cell bovine embryos Protein ... Lee, E S and Fukui Y Synergistic effect of alanine and glycine on bovine embryos cultured in a chemically defined medium and amino acid uptake by in vitro produced bovine morulae and blastocysts...

Báo cáo khoa học: "Root biomass and biomass increment in a beech (Fagus sylvatica L.) stand in North-East France." doc

... dominance The same pattern of variation was observed with biomass increments of coarse and small roots (figure 5b) 3.2 Stand level 3.2.1 Biomass and biomass increment The stand biomass and the biomass ... For each tree analyzed, the following data were obtained: biomass of each root category – coarse, small and fine – and total root system biomass, current annual The biomass and biomass increments ... root and fine root biomass each represent a similar amount Root biomass increased from 1996 to 1997 with stand Root biomass and biomass increment of beech Table VI Root biomass amounts and root biomass...

Báo cáo khoa học: "Effects of sylvicultural practices on nutrient status in a Pinus radiata plantation: Nutrient export by tree removal and nutrient dynamics in decomposing logging residues" ppt

... decaying logging residues was monitored for one year in a thinned stand and in an adjacent clear-cut area In the latter, the effect of intensive site preparation involving logging residue incorporation ... pine plantations in Chile The amounts of nutrients contained in the organic horizon were considerably lower than those reported by Barraqueta and Basagoiti [4] for another Pinus radiata plantation ... nutrient status as well as on the growth and survival of seedlings [21] In Northern Spain, Pinus radiata is grown on rotations ranging between 25 and 35 years, depending on site characteristics and...

Báo cáo khoa học: "Flowering and cone production variability and its effect on parental balance in a Scots pine clonal seed orchard" docx

... flowering and cone production of a Scots pine clonal seed orchard that reached its full production stage (17-19 years old) and make conclusions about its potential reproductive patterns MATERIALS AND ... The index was calculated on pollen and seed cone production averaged over the years of observation It was also calculated on pollen production in 1988 and seed cone yield in 1989 and also on ... Growth and flowering of "primary" and "secondary" grafts of Scots pine Silvae Genet 24, 49-54 Andersson E, Hattemer HH (1978) Variation among clones and ortet-ramet relationship in Scots pine (Pinus...

Báo cáo y học: "Effect of phospholipase A2 inhibitory peptide on inflammatory arthritis in a TNF transgenic mouse model: a time-course ultrastructural study" pptx

... WY, Fong CW, Sato K, Kodama K, Farooqui AA, Gopalakrishnakone P: Secretory phospholipase A2 activity in the normal and kainate injected rat brain, and inhibition by a Available online http:/ /arthritis- research.com/content/6/3/R282 ... suppress inflammation in RA by blocking the formation of proinflammatory cytokines Materials and methods A significant reduction of the inflammatory response has been reported in animals injected ... Murakami M, Kuwata H, Amakasu Y, Shimbara S, Nakatani Y, Atsumi G, Kudo I: Prostaglandin E2 amplifies cytosolic phospholipase A2 - and cyclooxygenase-2-dependent delayed prostaglandin E2 generation...

Báo cáo y học: "Demonstration of the histopathological and immunohistochemical effects of a novel hemostatic agent, ankaferd blood stopper, on vascular tissue in a rat aortic bleeding mode" pps

... experimental study, we investigated the effects of ABS on vascular tissue in a rat model of aortic bleeding Methods Wistar albino (WA) rats were used to demonstrate the vascular histopathological and immunohistochemical ... with the “Principles of Laboratory Animal Care” formulated by the National Society for Medical Reseacrh and “Guide for the Care and the Use of Laboratory Animlas” prepared by the US Natinoal Academy ... in vascular tissues, inflammatory reaction, and endothelial cell loss are important, particularly in terms of graft patency Intimal hyperplasia can cause aneurysm and thrombus formation [1] In...

Báo cáo khoa học: " Studies on Calf Diarrhoea in Mozambique: Prevalence of Bacterial Pathogens" pptx

... 2004 ing 1995 could thus reflect a more "normal" situation with no outbreaks of infection Also, diarrhoeal outbreaks in calves seem to be more common in the rainy season, and the rainfall in 1994 ... sampling was carried out on occasions: during rainy and dry seasons in 1994 (S1 and S2) and during rainy and dry seasons in 1995 (S3 and S4) Management of the calves in the farms with variations ... colonise the luminal surface of the small bowel and (ii) elaboration of one or more enterotoxins that in uence intestinal secretion of fluids (Holland 1990) The most common observed fimbriae on...

effects of split injection, oxygen enriched air, and heavy egr rate on soot emissions in a diesel engine

... Effects of Split Injection, Oxygen Enriched Air, and Heavy EGR Rate on Soot Emissions in a Diesel Engine Nguyen Le Duy Khai A Dissertation Submitted to the Department of Mechanical Engineering ... 59 Variations in soot formation and oxidation 74 Figure 60 Distributions of soot formation rate and oxidation rate at 90oATDC 75 Figure 61 Variations in net soot 76 Figure 62 Trend of diesel emissions ... Figure 73 Variations in soot formation and oxidation 88 Figure 74 Reaction rate of soot formation and oxidation at 90oATDC 89 Figure 75 Variations in net soot 90 Figure 76 Variations in NOx 91...

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