By Denny K. S. Ng
This ebook covers contemporary advancements in method platforms engineering (PSE) for effective source use in biomass conversion structures. It offers an outline of approach improvement in biomass conversion structures with concentrate on biorefineries concerning the creation and coproduction of fuels, heating, cooling, and chemical compounds. The scope comprises grassroots and retrofitting functions. with a purpose to achieve excessive degrees of processing potency, it additionally covers ideas and purposes of natural-resource (mass and effort) conservation. Technical, financial, environmental, and social features of biorefineries are mentioned and reconciled. The evaluation scales fluctuate from unit- to procedure- and life-cycle or provide chain degrees. The chapters are written via prime specialists from worldwide, and current an built-in set of contributions. supplying a finished, multi-dimensional research of varied elements of bioenergy structures, the ebook is appropriate for either educational researchers and effort execs in undefined.
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Additional resources for Process Development and Resource Conservation for Biomass Conversion Systems
Sustainability metrics indicate that both the first and second processing paths have the same energy consumption per kg of product that is being produced. 0036 33 Early‐Stage Design and Analysis of Biorefinery Networks the total MVA (see Eq. 18) is lower than the one characterizing the second process. This means that the first process uses energy more efficiently. 14 that the first processing route shows a better performance, also including a higher percentage of raw materials that are being recycled.
6, corn stover (1) and woody biomass (2) were considered as alternative raw materials. For the thermochemical conversion platform, the processing techniques are generally divided into five processing tasks: (i) pretreatment (size reduction, dryer), (ii) primary conversion (gasification, pyrolysis), (iii) gas cleaning and conditioning (reformer, scrubber, acid gas removal, water–gas shift, PSA), (iv) product synthesis (Fischer–Tropsch (F‐T), alcohol synthesis, hydroprocessing unit for pyrolysis oil), and (v) product separation and purification (hydroprocessing unit for F‐T products, mol.
9 •• Electricity to biomass ratio •• Steam to %moist ratio Hammer mill, rotary dryer (indirectly contact with steam) Hammer mill and rotary dryer (directly contact with hot flue gas) Entrained‐flow (free‐fall) gasifier μi,kk 4 1) Mixing ( No. , 2014) SWGS, acid gas removal—amine, PSA‐H2 Direct cooler, SMR, WGS, acid gas removal—amine 12 13 Fast pyrolysis (fluidized bed) 11 Steam to inlet flow Steam to inlet flow Pyrolysis (bubbling fluidized bed) 1) 10 i,kk Directly heated with •• O2 to biomass ratio bubbling gasifier •• Steam to %moist ratio •• Fresh olivine to biomass ratio •• MgO to ash ratio Mixing ( 9 No.
Process Development and Resource Conservation for Biomass Conversion Systems by Denny K. S. Ng