Design simulations for a biogas purification process using aqueous amine solutions
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Richard Gawel
Abstract
Using the simulation program CHEMCAD, performance characteristics, design optimization, and costs of an absorption/stripping system used to purify 100 kg h−1 of biogas in a biogas power plant were investigated. Potential absorbents used in the chemical absorption process were the following aqueous solutions: pure diglycolamine, diglycolamine/piperazine, and diglycolamine/methyldiethanolamine/piperazine. Mixtures for agricultural biogas purification to below 1 vol. % of CO2 and 4 × 10−4 mass % of H2S were determined via a simulation in the above mentioned program. The chosen mixtures were then entered into an absorption/desorption system and simulations for each unit were provided by CHEMCAD. From the simulation results, the design parameters were calculated and entered into each unit’s “cost estimation” section in the aforementioned program to estimate the purchase costs of the apparatuses. Taking into account the installation, maintenance, as well as other additional costs, the actual machine purchase costs were multiplied by the Lang factor. Costs of additional streams were also calculated by multiplying the ten-year utility losses by their respective cost factors. From these calculations, the absorbent mixture, allowing biogas production at the lowest estimated costs for ten years, was found.
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© 2012 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
- Immobilization in biotechnology and biorecognition: from macro- to nanoscale systems
- Bond-graph description and simulation of membrane processes: Permeation in a compartmental membrane system
- Design simulations for a biogas purification process using aqueous amine solutions
- Experimental and numerical investigation of pressure drop coefficient and static pressure difference in a tangential inlet cyclone separator
- Trace elements in Variegated Bolete (Suillus variegatus) fungi
- N,N′-methylenedipyridinium Pt(II) and Pt(IV) hybrid salts: synthesis, crystal and molecular structures of [(C5H5N)2CH2] · [PtCl4] and [(C5H5N)2CH2] · [PtCl6]
- Formation of membranes based on polyacrylonitrile and butadiene-acrylonitrile elastomer in the presence of copper ions
- One-step synthesis of solid sulfonic acid catalyst and its application in the acetalization of glycerol: crystal structure of cis-5-hydroxy-2-phenyl-1,3-dioxane trimer
- Mechanistic insights into the reaction of CF3CCl3 with SO3: Theory and experiment
- Near-infrared imaging for quantitative analysis of active component in counterfeit dimethomorph using partial least squares regression
- Corrosion of titanium diboride in molten FLiNaK(eut)
- Domino synthesis of novel series of 4-substituted 5-thioxo-1,2,4-triazolidin-3-one derivatives
- Erratum to: “Nguyen Hoang Loc, Nguyen Thanh Giang: Effects of elicitors on the enhancement of asiaticoside biosynthesis in cell cultures of centella (Centella asiatica L. Urban)”, Chemical Papers 66 (7) 642–648 (2012)
