碳转化率

随着压力提高、煤焦的基碳转化率和比气化反应速率均增加；Cf&H2O气化反应级数在0.23～0.33范围内；

Base carbon conversion and specific gasification rate increase with elevating gasification pressure , the order of Cf-H2O gasification reaction is in the range of 0.23 ~ 0.33 ;

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 .

通过对14C样品制作三个步骤的分析，找出了影响14C样品碳转化率的因素；

Three procedures were given to this technique , and we can find the influential factors to conversion coefficient of radiocarbon .

在该试验阶段获得的煤气的最高热值为3.84MJ/Nm3，最高碳转化率为73.6%。

At present stage , the maximum calorific value of product gas was 3.84MJ/Nm3 and the highest coal conversion efficiency was 73.7 % .

实验结果表明：提高热解温度可以提高产气率、碳转化率和热效率；热解气热值随温度而变化，在973K左右达到最大值；

The results show that the gas field , carbon conversion rate , and energy transform efficiency improve with increasing pyrolysis temperature with the gas calorific value varying with temperature to a peak at about 973 K.

试验结果表明，空气部分气化半焦燃烧方案得到的煤气热值较低，为4-5MJ／Nm~3，气化炉床层温度对碳转化率影响较大，随着反应温度升高碳转化率提高。

The results achieved at long time steady operation status of the facility show that , with air as gasification agent , the system can produce 4-5MJ / Nm3 low heating value gas and the carbon conversion efficiency increases with the bed temperature in the gasifier .

再循环煤气煤热解半焦燃烧方案产生的是12-14MJ／Nm~3中热值煤气，但气化炉内碳转化率较低。

The system can produce 12-14MJ / Nm3 middle heating value gas by using high temperature circulation solid as heat carrier and recycle gas or steam as gasification media , but the fuel conversion efficiency is lower in the gasifier and most of fuel energy is converted in the combustor .

加大反应器的煤处理量会带来碳转化率的降低；

The carbon conversion is enhanced by decreasing feed rate .

气化反应速率随着碳转化率的增加而降低。

And the gasification reaction rate decreases with an increasing of carbon conversion .

实验结果表明，气化反应温度越高，碳转化率和气化反应速率越高。

The higher the gasification temperature is , the higher the carbon conversion is .

活性的表示方法用基碳转化率&时间图或比反应速率表示。

It is shown that the activity with base carbon conversion ratio and time diagram .

高碳转化率下热解神府煤焦-CO2高温气化反应性

Gasification reactivity of rapid and slow pyrolyzed Shenfu chars with CO_2 at high carbon conversions and elevated temperatures

气化介质预热温度的变化对碳转化率和干煤气产率影响不大。

The carbon conversion and dry gas yield were almost constant regardless of the preheated air / steam temperature .

以提高系统效率为目标，对系统压力和气化炉碳转化率这两个重要参数进行了优化。

Aimed at enhancing the system efficiency , the system pressure and the gasifier carbon conversion ratio were optimized .

结果表明，系统效率随操作压力和气化炉碳转化率增加而呈上升趋势。

The results indicate that the system efficiency increases with increasing of the pressure and the gasifier carbon conversion ratio .

随机孔模型能较好的模拟混合物气化反应速率和碳转化率的关系。

The random pore model is found to be suitable for simulating the reaction rate of gasification and carbon conversion rate .

总碳转化率、二甲醚的选择性、甲醇和二甲醚产量几乎不随直径的变化而变化。

Total carbon conversion , selectivity of DME , and yield of methanol / DME keep almost constant with reactor diameter .

两种煤焦的最佳气化反应温度为1200℃，碳转化率最高。

The optimal gasification temperature for two chars was 1200 ℃, in which the carbon conversion were higher than other temperatures .

实验结果表明，催化剂添加量和气化温度对碳转化率和煤气组成的影响最为显著。

The results showed that both carbon conversion and gas composition were strongly influenced by the catalyst content and reaction temperature .

所得到的三种不同煤焦（神木、彬县、西山）在不同温度，不同气化碳转化率下的部分气化，燃烧失重曲线表明：煤种、气化碳转化率对燃烧失重均有影响。

Weight loss curves have been obtained under different temperature and gasification-combustion ratio with three coals ( Shenmu , Binxian and Xishan ) .

黑液水煤浆焦的碳转化率为98.37%，比普通水煤浆焦碳转化率（93.60%）高出5.1%，催化气化作用明显。

The carbon conversion of CBLS char was 98.37 % , which was 5.1 % higher than that of Coal water slurry char .

用随机孔模型模拟北宿煤反应速率与碳转化率的关系曲线，与未反应芯缩核模型和混合模型模拟结果比较。

The random pore model , the unreacted shrinking core reaction model and the integrated model were tested by the experimental data respectively .

水煤比的增大整体提高了样品的碳转化率，但是H2+CO相对含量减少。

As steam / coal ratio increased , the overall carbon conversion increases , while , relative contents of H2 + CO decreases .

重点考察了气化温度对煤气成分、煤气热值、碳转化率和煤气产率等气化指标的影响。

The study focused on the influence of gasfication temperature on gas compos - tions , gas beating value , carbon conversion and gas yield .

考察了五种烟煤的多喷嘴对置式气化炉性能，碳转化率在98.1%-99.9%之间。

The OMB gasifier - performance of five bituminous coal are investigated , and the carbon conversion approaches to 98.1 % ~ 99.9 % . 3 .

固定床气化炉是一种技术成熟、应用最广的高热效率和高碳转化率的反应器。

Fixed bed gasification is a reactor that has mature technology , high heat efficiency and high carbon conversion . And it is the best widely used .

煤浆浓度从59wt%增加至62wt%，气化炉出口温度和碳转化率略微降低，氧耗、煤耗降低。

When the slurry concentration increases from 59wt % to 62wt % , the gasifier temperature and carbon conversion slightly decrease , while the feedstock consumption decreases .

实验结果表明，工业纯碱作为催化剂添加5%可使碳转化率增加3倍，实现了煤的高效转化；

With the 5 % loading of sodium carbonate , the carbon conversion increases by 3 times , but the coal price only increases by 1.18 times .

结果表明，高温有利于生物质气化，促进碳转化率和冷煤气效率的提高。

The results indicate that high temperature is in favor of gasification . And it is conducive to improving the rate of carbon conversion and cold gas efficiency .

随着温度的升高，总碳转化率和二甲醚的选择性均略有降低，甲醇产量基本不变，而二甲醚的产量有所减小，静液床层高度和操作床层高度均降低。

Total carbon conversion , selectivity and yield of DME decrease slightly with increasing temperature . Static bed height and operating bed height drop suddenly as the temperature increases .