生物质
- 名biomass
![生物质](../cache/921496.jpg)
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生物质气化对减少CO2排放的作用
The effect of biomass gasification on reducing CO _ 2 emission
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利用热重分析仪研究了CO2气氛下的生物质半焦的反应性。
Using TGA , reactivity of biomass char in CO_2 atmosphere was studied .
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生物质气化气要实现高氢浓度的转化,需要通过水煤气变换反应将CO转化为H2。
High concentration hydrogen of the producer gas could be realized through water-gas shift reaction .
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CFB锅炉掺烧生物质技术及气力输送系统方案
Technology of mixed combustion of biomass fuel for CFB boilers and air-driven conveying systems
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目的是以较高的产气率,制取以CO和H2为主要成分的热值较高的生物质合成气;
In order to produce the biomass synthesized gas which has the main components of H2 and CO with high heating value and gas yield .
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本文报导了实验室规模的生物质封闭燃烧系统及稻草、玉米秸、麦杆燃烧过程中N2O排放因子的测定结果。
The emission factors of nitrous oxide have been determined during the combustion of rice straws , wheat stalks and maize stalks in an enclosed combustion system .
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生物质和煤单独燃烧时,K和Cl的析出特性差异较大,生物质中的K更容易析出。
The release characteristics of K and Cl are quite different between biomass and coal . The element of K in biomass is easy to release .
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生物质由于其储量丰富、环境友好、CO2净排放量为零等优点成为全世界能源研究的热点。
Biomass energy is now a hot research field because it has the advantage of abundance , environmental benign and zero net carbon dioxide discharge .
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利用湖北省典型地区的农户调查问卷数据,运用Logistic多元回归分析林农参与林木生物质能源开发利用的影响因素。
Based on a survey in Hubei province , the dissertation analyzed influence factors during the development of forestry biomass energy with the Logistic regression model .
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还利用TMV的不同寄主,考察了植物次生物质对TMV的防治效果。
The control effects of active substances in TMV different host plants were determined .
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并运用气相色谱质谱联用仪(GC-MS)、热重分析仪等现代分析仪器对热解动力学、热解产物成分进行了分析,并通过理论分析初步揭示了生物质在超临界介质中的热解机理。
The modern analytical instruments such as gas chromatography and mass spectrometry ( GC-MS ), thermogravimetric analyzer were used for product composition analysis .
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针对固体热载体催化气化生物质制氢工艺,开发研究了天然矿石负载Ni系催化剂。
To develop catalysts for hydrogen production from biomass used in solid heat-carrier system and free-fall reactor , Ni catalysts supported on natural mineral ( olivine and dolomite ) are prepared and studied .
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且生物质复合型煤(BCC)具有着火温度低、燃尽率高等特点。
It is revealed that BCC has a low ignition point , low ash contend and good sulfur fixation quality .
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纸屑的颗粒物中金属元素的质量分数最低,RDF的最高,其余三种生物质废弃物的质量分数较相近;
The mass fraction of metal elements in PM_ ( 10 ) from paper scraps is the lowest while that from RDF is the highest .
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利用ANSYS软件对挤压过程进行有限元模拟,分析了静水压应力对材料致密过程的作用,为生物质成型机理的研究提供了可靠依据。
This paper uses ANSYS to simulate the biomass extrusion process and analyzes the influence of hydrostatic pressure in the process All these provide credible conditions for the study of biomass briquetting mechanism .
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从而认为,适当的生物质燃烧促进土壤对PAHs勺吸附固定能力,利于PAHs在土壤中的富集。
Thus , it was speculated that moderate mass burning could promote the PAHs adsorption capacity on soils which would be available for the enrichment of PAHs in soils .
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除此以外,生物质具有CO2净排放为零,低的硫、氮含量的特点,使生物质燃烧利用排放的SO2、NOx比传统化石燃油低得多。
In addition , biomass has zero net emission of CO2 and has very low contents of sulfur and nitrogen , which gives lower emissions of SO2 , NOx than conventional fossil fuels .
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双循环流化床生物质气化技术可实现生物质热电可燃气多联产、CO2的近零排放以及较高的碳转化率,实现生物质的高效、清洁利用。
Double fluidized bed gasification technology can achieve heat , electricity , gas multiple co-generation , Near-Zero Emission of CO2 and high carbon conversion , and also can realize clean , highly effective use of biomass energy .
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但是,中性pH条件下生物质(细胞或细胞碎片)一般带负电荷,很容易吸附到带正电荷的阴离子交换介质表面,降低吸附容量,破坏床层的稳定性。
However , it was found that during ion exchange EBA the biomass ( cells or cell debris ) in the feedstock might adhere to the adsorbent , especially to the anion exchanger , which resulted in bad bed stability and low adsorption capacity .
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血清和尿液中β2-微球蛋白测定(β2-MG)最初应用于肾功能检查,被认为是一种比血清肌酐更敏感的内生物质。
β 2-microglobulin (β 2-MG ) was used to tests of renal function and considered as an endogenous substance that was more sensitive than serum creatinine .
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选用Coats-Redfern法对实验数据进行反应动力学研究表明,生物质的热解反应为一级反应。
The result of dynamic study by Coats-Redfern method showed that the pyrolysis of biomass could be described as first order reaction .
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Cu-Zn-Al-Li催化生物质合成气合成甲醇
Investigation into Methanol Synthesis from Biomass Derived Syngas over Cu-Zn-Al-Li Catalysts
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ZSR-10生物质闪速热解转化生物燃油装置的研制
The Development of ZSR-10 System Converting Flash Pyrolysis Biomass into Biofuel
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实验考察了升温速率、生物质组成和催化剂对三种生物质热解行为的影响,研究表明:随着升温速率的增加,TG和DTG曲线均向高温侧移动;
The influences of heating rate , biomass composition and catalysts on the process of biomass pyrolysis were researched . Experiments showed that TG and DTG curves all moved to higher temperature ranges with increasing heating rate .
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并借助aspenplus过程模拟平台,对生物质气流床气化炉进行了模拟,得如下结论:生物质气流床气化合适的O/C摩尔比宜选在1.4~1.6左右;
The biomass entrained flow gasifier has been simulated with the model offered by the ASPEN PLUS process simulator . From this study , the following conclusions are derived : the appropriate molar ratio of oxygen to carbon is ranging between 1.4 ~ 1.6 ;
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在特殊污染时期,长沙市PM2.5主要来源于二次颗粒物和生物质燃烧源(41.9%),可见生物质燃烧是引起特殊污染的重要原因。
During seriously polluted period , PM2.5 of Changsha mainly came from secondary aerosol and biomass burning ( contributed 41.9 % ), which implied that biomass burning was the important reason of Changsha PM2.5 serious pollution .
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为了研究生物质颗粒在等离子体快速热解液化设备的水平携带床中的运动,根据PIV分析对光路的要求,设计制造了一套透明的冷态模拟装置,提出了相应的PIV测试方案;
In order to study the movement of the biomass particles in the jet-entrained bed of the plasma heated biomass fast pyrolysis liquefaction prototype , a set of transparent cold device was designed and a precept of PIV investigation was raised .
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分别在750K,800K,850K,900K温度下,对几种典型生物质材料在层流炉上进行了闪速热解挥发实验。
Lots of experiments on flash pyrolysis devolatilization for several biomass were carried out at 750K , 800K , 850K and 900K respectively in a laminar furnace .
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在实验浓度范围内,菲在成型生物质活性炭上的吸附等温线呈线性(R20.97),分配作用占主导。
In the experimental concentration range , 24 h adsorption isotherms of phenanthrene on the shaped activated carbons were linear ( R20.97 ), with partitioning-dominant .
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本文建立的模型核算了原料中不同比例生物质含量对合成气的影响以及C02排放的影响。高效的合成气制费托油关键在于其催化剂的选择。
The model in this thesis checks the influence of different ratio biomass content in raw material on synthesis gas and discharge of CO2.The key of high-efficient synthesis gas to FTL is its catalyst choice .