生物能源技術與工程化

出版時間:2012-11  出版社:科學出版社  作者:張百良  頁數:809  字數:1400000  

內容概要

《生物能源技術與工程化(英文版)》共分五部分,分別是生物能源述評;第一篇生物氣體燃料,包括內循環(huán)厭氧反應器的研究及應用,秸稈預處理及其厭氧發(fā)酵,秸稈氣化及其應用;第二篇生物液體燃料,包括生物質氣化合成甲醇、纖維乙醇和生物柴油;第三篇生物質固體成型燃料,包括成型基礎研究、設備研究及其應用研究;第四篇生物質資源?!渡锬茉醇夹g與工程化(英文版)》主要讀者對象為生物能源、環(huán)境工程、農業(yè)工程、生物技術等專業(yè)的研究生、本科生、研究人員,以及從事生物能源開發(fā)利用的工程技術人員。

作者簡介

書籍目錄

Preface I
Preface II
Preface III
Foreword
Bioenergy Review
Chapter I Gaseous Biofuel
1 Research on Internal Circulation Anaerobic Reactor
2 Research on Anaerobic Sludge Granulation under the Condition
of Treating Piggery Sewage by IC Reactor
3 Research on Straws Pretreatment and Biogas Produced by
Anaerobic Fermentation
4 Research on Tobacco Curing System Fueled by Biomass Pyrolysis
Gas
Chapter II Liquid Biofuel
5 Researches on Methanol by Synthesis Biogas
6 Experiment and Research on Production Technology of Cellulosic
Ethanol
7 Researches on Biodiesel Production from Vegetable Oil
Catalyzed by Lipase
8 Experiments on Biodiesel Production Catalyzed by Solid
Catalysts
Chapter III Deified Biomass Fuel
9 Optimized Design and Engineering Experiment of Biomass
Hydraulic Briquetting Presses
10 Combustion Equipment Design Basis of Straw Briquettes.
11 Research of Large-scale Biomass Deification Technology in
China
12 Research on the Deposition Formed and Erosion on DBF
Combustion Equipment
Chapter 1V Bioenergy Resources
13 Henan BiodieselWoody Plant Resources
14 Contributio of Liquid Biofuel to Oil Security in China
15 The Contribution of the GHG Emission Reduced by Renewable
Energy Application in China
Afterword

章節(jié)摘錄

  Although China has developed a batch of biodiesel manufacturing enterprises, and has certain productivity, their current annual output still are all under 20 thousand tonnes, and furthermore have not formed the economic scale over 0.1 Mt. The main reasons which cause the development barriers of biodiesel industry in the production scale include: scarcity of raw materials and defects in technology of biodiesel industrialized production; such additives as antioxidant and improving agent of flow performance at low temperature which match with biodiesel need to be developed; there are deficient researches on refined chemical products with high additional value by biodiesel used as raw material. At present, China adopts mainly liquid acid and alkali catalytic transesterification for biodiesel industrialized production, which have such drawbacks as that the production process is complex; it is difficult to separate products from reaction substances and catalysts; the catalysts can not be reused; the discharges of alkaline or acidic waste liquids cause more serious environmental pollution, the production process can not be continuous, accordingly the cost is too high.  In order to overcome the problems mentioned above, many scholars made a great lot of researches centered on the two aspects including the developments of solid catalyst and reactor. The researches on solid catalyst focused mainly on the development and application of such solid heterogeneous catalysts as immobilized-lipase, immobilized-cell and solid acidic and alkaline catalyst, provided the basis for reusing the catalyst, reducing the catalyst consumption and the environmental pollution in biodiesel production, and realizing the continuous production of biodiesel.  The new continuous-catalyzing reactor is also the hot topic in current research, the reactors for biodiesel continuous production are relatively frequent reported that include membrane reactor, bubbling tower reactor, supercritical reactor, fixed bed reactor and so on. Dube and his partners adopted 0.05 um multiporous carbon membrane to construct the membrane reactor, found that the multiporous carbon membrane could permeate selectively Fatty acid methyl esters, glycerin and catalyst, so as to separate the products from lipin unconverted, but there are still such problems as difficult separation between catalysts and products, the catalyst can not be reused and the raw materials can not be mixed fully during reaction; the bubbling tower reactor makes the reactants emulsify by the pressuring devices and speeds up reaction velocity, but the reaction also uses homogeneous catalyst, which can not be separated effectively. and catalyst can't be reused; supercritical methanol used to prepare biodiesel didn't need any catalyst, and the reaction can be finished in a short time, but such reactions require high temperature and pressure, the equipment consumes higher energy, so it is difficult to realize the continuing process; the fixed bed reactor can adopt solid catalyst, immobilized-lipase or immobilized-cell as catalyst for continuous production, and has such strong points as simple structure and operation, but the pressure drop in reactor is relatively big, the products are easily sticky to the catalyst which will lead to reduce the activity of catalyst, then influence the normal operation of reactor. Besides, researchers also proposed many neoteric reactors such as micro-channel reactor, oscillatory flow reactor, hydrodynamic cavitation reactor and reaction distillation reactor, which have their own unique characteristics but are all in underway research.  ……

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