底灰

在实验室内通过对底灰和飞灰在酸性介质下的淋滤实验，研究了底灰和飞灰中痕量元素在60h内4个时间段的迁移释放行为。

The leaching characteristics of trace elements for bottom ash and fly ash in sulfuric acid for 60 hours were examined .

城市固体废弃物焚烧底灰特性表征实验及热力学分析

Municipal Solid Waste Incineration Bottom Ash : Experimental Study and Thermodynamic Analysis

用XRD和SEM研究了飞灰和底灰的成分变化。

Fly ash and bottom ash were analyzed by XRD and SEM .

利用原子吸收分光光度计和程序控制温升炉研究了沈阳市污水处理厂污泥在不同焚烧工况下重金属Cu、Cr、Cd、Zn、Ni和Pb在焚烧底灰中的残留特性。

In the different combustion conditions , the atomic absorption spectrophotometry and the procedure temperature-increasing stove are used to measure the remains property of heavy metal elements in the bottom ash of sludge , such as Cu ? Cr ? Cd ?

电厂原煤燃烧产物飞灰和底灰中的PAHs的差异主要取决于煤在燃烧过程中的变化程度和化合物的热反应性能。

It mainly lies on the degree of the coal combustion and the capability of thermal reaction of compounds , which affects the contents and species of PAHs in fly ash and bottom ash from the power plant .

本文采用ICP-MS和ICP-AES技术来研究澳门城市垃圾焚烧底灰中重金属的淋溶，以探讨其可能的环境行为和潜在的生态与健康风险。

In this study , we employed the ICP-MS and ICP-AES techniques to determine heavy metals in the leaching solution of municipal solid waste incineration bottom ashes from Macao in order to study their environmental behavior and assess their potential risks on eco-environments and human beings .

奥斯龙220t/h循环流化床锅炉底灰冷渣系统简介

Introduction of Bottom Ash Cooling System of 220t / h CFB Boiler

城市生活垃圾焚烧底灰熔融处理实验研究

Study on melting treatment of bottom ashes from municipal solid waste incinerator

（石或砖上）打底的灰泥，底灰。

First layer of plaster ( on stone or brick )

系统地研究了常州市环境卫生综合厂垃圾焚烧车间的底灰。生活垃圾灰渣增强铝基复合材料的性能

Mechanical Properties of Al / Bottom Ash in Municipal Solid Waste Incinerator Composites

底灰程度与磁粉含量有关。

The background-color was depended on the percent content of magnetic powder in toner .

410t/h示范循环流化床锅炉底灰系统的结构特点

Structure Characteristic of the Bottom Ash System of a 410 t / h CFB Boiler

建筑工人正在给墙抹底灰。

The builders were rendering the walls .

抑制复印件底灰的若干方法

The methods restraining background on copies

垃圾焚烧厂焚烧底灰的处理研究

Treatment of MSW incinerator bottom ash

污泥热化学处理过程中重金属在底灰中的残留特性研究

Study on remains property of heavy metal in the bottom ashes from the pyrolysis and incineration of sludge

国产410t/h循环流化床锅炉底灰处理系统技术研究

Study on the bottom ash removal system for a 410 t / h CFB boiler manufactured in China

澳门城市垃圾焚烧底灰的重金属淋溶及其遗传毒性评价

The Leaching Behavior and Genotoxic Assessment of Heavy Metals in the Municipal Solid Waste Incineration Bottom Ashes from Macao

煤及其燃烧产物飞灰和底灰中稀土元素地球化学特征及集散规律

Geochemical feature and laws of concentration and dispersion of rare earth elements between coals and their fly and bottom ashes

根据燃煤过程中底灰和飞灰的产率，结合痕量元素在底灰和飞灰中的含量计算了电厂燃煤过程中痕量元素的挥发性。

The volatilization of trace elements was studied based on the trace elements concentration in coal , ash and the ash yield .

研究结果表明：焚烧底灰和飞灰均可不同程度地延缓水泥的凝结硬化，但两者都具有一定的胶凝活性；

The results show that both IBA and IFA can restrain the hydration of cement at different levels , but they have some cementitious activities .

测定了我国5台不同炉型和容量的工业锅炉底灰和飞灰中痕量元素的分布情况，结果表明：流化床燃烧时煤中痕量挥发性元素的蒸发较大；

Measurements were taken of the distribution of trace elements in bottom ash and fly ash for five Chinese industrial boilers of different models and power ratings .

背景与目的：检测澳门城市垃圾焚烧底灰的遗传毒性，评价其可能对生态环境和人体健康的潜在影响。

BACKGROUND & AIM : To investigate the genotoxicity of bottom ashes of municipal solid waste incineration from Macao and assess their potential risks on eco-environment and human beings .

通过对基层处理、抹底灰和罩面灰以及细部处理等关键环节采取有效的技术措施熏达到了规定的质量标准。

Through effective technical measures taken in base treatment , spreading primary plaster and finishing plaster as well as local treatment , it has reached the specified quality standard .

对高温燃烧水解&氟离子选择电极法测定精度的影响因素进行系统研究；对煤燃烧产物飞灰、底灰、煤渣及烟气中氟测定方法进行对比研究。

Fluoride ion-selective electrode ( ISE ) method is the most accurate , precise and successful method to the fluorine determination of coal , fly ash and bottom ash .

飞灰颗粒汞浓度大大超过底灰汞浓度，体现出汞的飞灰富集和底灰分散特性；

Mercury concentration in fly ash is far more than that in bottom ash . It is apparent that mercury is enriched in fly ash and dispersed in bottom ash .

结果表明，在煤燃烧过程中，煤中绝大部分（85%以上）的汞挥发进入气相，残留在底灰中的汞的比例则相当小；

The result indicates that most mercury in coal (≥ 85 % ) is vaporized into vapor during coal combustion . The proportion of residual mercury in bottom ash is very little .

根据粒径分布将燃料灰分为飞灰、循环灰及底灰，它们有不同的燃烧和传热特点；

According to the particle distribution , fuel ash is divided into three parts : fly ash , circulating ash and bottom ash , which have different characteristic in combustion and heat transfer .

因此，在进行生物质麦秆的气化时，采集了合成气的碱金属和底灰，分析了碱金属在气流床气化过程中在气相和固相中的分布情况。

During the wheat straw gasification , the alkali in the syngas and bottom ash were collected . The distribution of alkali metal in the gas phase and solid phase in the gasification process was analyzed .

结果表明，不同煤种的稀土元素含量不同，相同煤种在不同燃烧条件下获取的飞灰、底灰中的稀土元素含量也不同；

The results show th at different coals have different contents of REE , and the fly and bottom ashes produced in different combustion condition at the same coal rank have different contents of REE , too .