1) waste water with coal ash
粉煤灰废水
1.
of treating waste water with coal ash through wet air floatation, and lists the possible costs and benefits after this option goes into practice.
阐述了湿法气浮处理粉煤灰废水的原理、工艺流程、工艺参数、主要设备等 ,列举了该方案投产后的成本和效
2) rejected fly ash
废弃粉煤灰
1.
By means of radial Dynamic Leaching Test(r-DLT),it was studied that the behaviors of heavy metal hydroxides in the solidified and stabilized(S/S) samples contained cement and rejected fly ash.
采用径向动态浸出实验(r-DLT)研究了含废弃粉煤灰-水泥固化/稳定样品内部重金属铅、铜、锌的氢氧化物的迁移行为,发现重金属在酸溶液作用下虽然会从样品内部向外迁移,但不同重金属的迁移规律各不相同。
2.
Using tests of compressive strength, hydration product and porosity, the influen ce of steam curing on the pozzolanic reaction of rejected fly ash were studied.
通过研究蒸汽养护条件下含废弃粉煤灰的样品在抗压强度、水化产物以及孔隙率等方面的变化,探讨了蒸汽养护对废弃粉煤灰火山灰活性的影响。
3) water of coal ash
粉煤灰水
1.
During experiments,the results of removing SO 2 in flue gas by using NaOH and Ca(OH) 2 and the water of coal ash as absorbents have been studied at the same time.
研究了火力发电厂采用干法除尘的冲灰和输送粉煤灰水（ｐＨ＝１０。
4) fly-ash cement
粉煤灰水泥
1.
This paper presents influence of complex activation and mechanical activation on powder properties as well as physical and chemical performances of Portland fly-ash cement paste.
研究了机械活化和复合活化对粉煤灰水泥的粉体特性以及浆体的物理化学性能的影响。
2.
This paper, aiming at the weak points of the low early strength and the slow setting and hardening of portland fly-ash cement, according to the forming mechanism of cement clinker minerals, cement clinker minerals are choosen, fly ash is used as a substitute of clay as raw materials, early and high strength type cement clinker has heen developed, the amount of alit in the clinker is very high.
本文针对粉煤灰水泥早强低，凝结硬化慢等缺点，根据水泥熟料矿物的形成机理，用粉煤灰代替粘土作原料，对熟料矿物进行优化组合，成功地研制出了一种高硅酸三钙的早期强度高的水泥熟料，这种熟料可掺入３０％一４０％粉煤灰，生产出４２５Ｒ型粉煤灰水泥。
5) fly ash cement
粉煤灰水泥
1.
Development of special fly ash cement for ready-mixed concrete;
适用于预拌混凝土的粉煤灰水泥的研制
2.
Study on hydration mechanism of lime-gypsum fly ash cement paste
石灰-石膏-粉煤灰水泥浆体的水化机理研究
3.
When using fly ash cement, it is often worried about that the property of protecting reinforcing steel bar is insufficient, because the reaction will use up the Ca(OH)_(2) in the hydrated product.
在使用粉煤灰水泥时,常常担心粉煤灰水泥因二次水化反应消耗掉水泥水化产物中的Ca(OH)2,使粉煤灰水泥的护筋性欠佳。
补充资料：粉煤灰硅酸盐水泥
分子式：
CAS号：
性质：由硅酸盐水泥熟料、粉煤灰、适量石膏磨细制成的水硬性胶凝材料，代号P·F，中国主要水泥品种之一。粉煤灰掺加量为20％～40％(wt)，标号分275、325、425、425R、525、525R、625R七个等级。性能和火山灰水泥相似，但需水性及干缩性较小，抗裂性较好，水化热较低，抗蚀性也较好。适用于一般的工业和民用建筑，尤其适用于大体积水工混凝土以及地下和海港工程等。
CAS号：
性质：由硅酸盐水泥熟料、粉煤灰、适量石膏磨细制成的水硬性胶凝材料，代号P·F，中国主要水泥品种之一。粉煤灰掺加量为20％～40％(wt)，标号分275、325、425、425R、525、525R、625R七个等级。性能和火山灰水泥相似，但需水性及干缩性较小，抗裂性较好，水化热较低，抗蚀性也较好。适用于一般的工业和民用建筑，尤其适用于大体积水工混凝土以及地下和海港工程等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条