Carbon dioxide capture from flue gas by vacuum swing adsorption

... CO2 capture from wet flue gas by VSA 97 6.1 Modeling of the VSA cycles for CO2 capture from wet flue gas 97 6.2 Optimization of the 4-step VSA cycle with LPP for CO2 capture from ... adsorption PTSA Pressure-temperature swing adsorption PVSA Pressure -vacuum swing adsorption SLPM Standard litres per minute TSA Temperature swing adsorption VSA Vacuum swing adsorption xvii Variables A ... briefly 2.1 Adsorption based cycles for CO2 capture from flue gas Adsorption processes are broadly divided into pressure and temperature swing adsorption processes In a temperature adsorption swing...

Báo cáo " CARBON DIOXIDE EMISSIONS FROM THE GLOBAL CEMENT INDUSTRY " pdf

... and there is no inclusive review of the emissions due to energy use in the cement industry This is the ﬁrst review of the total CO2 emissions of the global cement industry Cement is one of the ... 4.2 Carbon Dioxide Emissions from Fuel Use 4.3 Carbon Dioxide Emissions from Electricity Use 4.4 Total Carbon Dioxide Emissions from Cement ... AL CEMENT PRODUCTION TRENDS GLOBAL CARBON DIOXIDE EMISSIONS FROM CEMENT MAKING 4.1 Carbon Dioxide Emissions from...

Carbon Dioxide Emissions from the Generation of Electric Power in the United States ppt

... Department of Energy and Environmental Protection Agency/ Carbon Dioxide Emissions from the Generation of Electric Power in the United States Carbon Dioxide Emissions from the Generation of Electric Power ... estimated emissions of CO2 in the United States resulting from the generation of electric power were 2,245 million metric tons,3 an increase of 1.4 percent from the 2,215 million metric tons in 1998 The ... a region or the Nation Department of Energy and Environmental Protection Agency/ Carbon Dioxide Emissions from the Generation of Electric Power in the United States In the United States, about...

USE OF DUNALIELLA FOR CARBON DIOXIDE CAPTURE AND GLYCEROL PRODUCTION

... supply of glycerol (Chow et al., 2013) Hence, the use of Dunaliella for carbon dioxide sequestration as well as glycerol production may represent an alternative and sustainable source of glycerol ... investigation into glycerol production of Dunaliella will provide further insights into the development of a more viable bioprocess for glycerol production 1.8 Dunaliella for carbon dioxide sequestration ... development of a viable bioprocess system for industrial production of glycerol by Dunaliella However, few studies have evaluated the potential of Dunaliella for biological fixation of carbon dioxide...

Methane nitrogen separation by pressure swing adsorption

... high pressure, separation of methane from its mixture with nitrogen by a pressure swing adsorption (PSA) process is likely to enjoy a favorable power cost advantage The main challenge of this separation ... molecular sieve, manufactured by Bergbau Forchung for air separation (N2 production), to separate methane- nitrogen mixture by pressure swing adsorption Pure gas adsorption isotherms and diffusion ... level of nitrogen Since natural gas emerges from gas well at a high pressure, a pressure swing adsorption (PSA) based separation process, in which purified methane is obtained as the high pressure...

Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

... removal of arsenic from synthetic groundwater using sequential combination of LA and AC-Fe as adsorbents The effect of LA/AC-Fe ratio, flow rate, initial arsenic concentration and pH to the breakthrough ... (70%AsIII&30%AsV) CONCLUSION The removal of arsenic from synthetic groundwater by adsorption using LA and AC-Fe was investigated in this study Langmuir, Langmuir-Freundlich isotherms and pseudosecond order ... AC, LA, and AC-Fe and Figure illustrates the comparison of LA-AC and LA-AC-Fe These figures indicated that the combination of LA and AC-Fe is the most feasible - 50 - Journal of Water and Environment...

Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

... adsorbent - iron-modified rice husk carbon (RH-Fe)which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal of both As[III] ... very few studies on iron-modified rice husk carbon as adsorbent for the removal of arsenic from drinking water, although there are many research papers on arsenic removal using iron-based adsorbent ... adsorbents are used Studies on the removal of arsenic from groundwater using rice husk (an agricultural waste which is a byproduct in rice milling) have been carried out by some researchers Amin et...

Thermodynamic analysis of gas – steam combined cycle with carbon dioxide (CO2) emissions saving

... Schematic diagram of basic gas – single pressure steam combined (BIP) cycle with vapor compression refrigeration cycle Modelling and governing equations For thermodynamic analysis of the described ... – oC in the next 30 – 40 years [12] This paper demonstrates the improvements in the efficiency of the gas – steam combined cycle with the increase in the TIT and decrease in the CIT In view of ... simple gas – steam combined cycle with vapor refrigeration system has been considered for the present study and analysis The topping cycle is based on the Brayton cycle and the bottoming cycle...

Báo cáo khoa học: Characterization of isocitrate dehydrogenase from the green sulfur bacterium Chlorobium limicola A carbon dioxide-ﬁxing enzyme in the reductive tricarboxylic acid cycle ppt

... puriﬁcation of the recombinant enzyme In order to construct an expression vector for Cl-idh, two oligonucleotides (sense, 5¢-AAAAACATATGGCAAGCA AATCGACCATCATCTACAC-3¢, and antisense, 5¢-AAA AAGGATCCCGGCTGAAAACCGGGCTGCATTA-3¢) ... dehydrogenase is known to predominantly catalyze the reduction of oxaloacetate to malate, and thereby lowering the possibilities of oxaloacetate accumulation Indeed, when we have analyzed the malate dehydrogenase ... during the decarboxylation of isocitrate, and indeed, the site-speciﬁc mutagenesis of K253 to Met led to an inactive protein [23] In addition, the alkylation of the adjacent M258 inactivated the...

extraction of liquid crystals from flat panel display devices using both liquid and supercritical carbon dioxide

... Demonstration of the disassembly of a defunct LCD Carbon dioxide extraction was carried out using a Thar Technologies SFE-500F-2-FMC System and liquid withdrawal carbon dioxide (99.9 %) The extraction ... for extraction of liquid crystals from defunct display devices with high efficiency MATERIALS AND METHODS A LCD (Figure 2A) device may be disassembled by removal of screws securing the back panel ... potential recovery of tonnes of liquid crystals with a market value of between 27 and 187 million dollars dependent on liquid crystal quality; 900 kg of indium and 8,000 tonnes of optical quality...

capture and utilization of carbon dioxide with polyethylene glycol

... Liang-Nian He • Capture and Utilization of Carbon Dioxide with Polyethylene Glycol 123 Zhen-Zhen Yang State Key Lab of Elemento-Organic Chemistry Nankai University Tianjin People’s Republic of China ... principles of CO2 activation, can the goal of using CO2 as an environmentally friendly and economically feasible source of carbon be achieved Z.-Z Yang et al., Capture and Utilization of Carbon Dioxide ... Aspects of carbon dioxide utilization Catal Today 115(1–4):33–52 18 He L-N, Wang J-Q, Wang J-L (2009) Carbon dioxide chemistry: examples and challenges in chemical utilization of carbon dioxide...

Optimization of microwave, ultra sonic and supercritical carbon dioxide assisted extraction techniques for curcumin from curcuma longa

... ) % extraction of curcumin using acetone Fig Curcumin extraction by supercritical CO2 ( ) % Extraction of curcumin from curcuma powder using supercritical CO2 3.3 Ultra- sonic assisted extraction ... extraction (UAE) 3.4 Supercritical carbon dioxide extraction (SC CO2 E) 3.3.1 Effect of ultra- sonic irradiation Fig shows the effect of ultra- sonic irradiation on curcumin extraction from C longa rhizome ... rhizomes ( ) % Extraction of curcumin using ethanol from ethanol soaked curcuma powder, ( ) % extraction of curcumin using ethanol from water soaked curcuma powder and ( ) % extraction of curcumin...

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Báo cáo vật lý: "Textural Characteristics of Activated Carbons Prepared from Oil Palm Shells Activated with ZnCl2 and Pyrolysis Under Nitrogen and Carbon Dioxide" doc

... prepare and study the effect of different pyrolysis temperatures on the development of the porosity of activated carbon derived from oil palm shells activated with ZnCl2 The activated carbon was prepared ... morphology and composition of activated carbon RESULTS AND DISCUSSION 3.1 BET Surface Area of Activated Carbon Some studies concerning the preparation of activated carbon from oil palm shells with ... pyrolysis of oil palm shell 2.2 Material The raw material for the preparation of activated carbon was the oil palm shells collected from an oil palm mill at Nibong Tebal, Malaysia The oil palm shells...

Báo cáo lâm nghiệp: "Effects of elevated carbon dioxide on leaf gas exchange and growth of cork-oak (Quercus suber L) seedlings " pps

... INTRODUCTION of To understand and The objective of this study was to determine the effects of an increase in CO con2 centration on the carbon gain of Quercus suber seedlings We examined the effects of ... enhancement i) on leaf gas exchange under well-watered conditions and moderate drought and ii) on biomass production and predict the impact of increasing CO upon natural vegetation, it is necessary ... photosynthesis and stomatal conductance of Quercus suber seedlings at ambient and elevated CO were similar Bunce (1992) measured similar values of leaf conductance on seedlings of two deciduous oaks (Quercus...

Báo cáo y học: " High flow biphasic positive airway pressure by helmet – effects on pressurization, tidal volume, carbon dioxide accumulation and noise exposure" docx

... time-cycled pressure controlled switching between two continuous positive airway pressure levels; HF-BiPAP = high flow biphasic positive airway pressure; PSV = pressure support ventilation Carbon dioxide ... set positive end-expiratory pressure of cmH2O HF-BiPAP = high flow biphasic positive airway pressure ventilation; BiVent = biphasic positive airway pressure delivered by a ventilator; PSV = pressure ... time-cycled pressure controlled switching between two continuous positive airway pressure levels; HF-BiPAP = high flow biphasic positive airway pressure; PEEP = positive end-expiratory pressure; ...

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