calcination

简明释义

[ˌkælsɪˈneɪʃən][ˌkælsɪˈneɪʃən]

n. 煅烧;[化工] 焙烧;烧矿法

英英释义

Calcination is the process of heating a substance to a high temperature in the absence of air or oxygen, typically to remove volatile substances or to bring about thermal decomposition.

煅烧是将物质在缺乏空气或氧气的情况下加热到高温的过程,通常用于去除挥发性物质或引起热分解。

单词用法

calcination process

煅烧过程

calcination temperature

煅烧温度

calcination reaction

煅烧反应

subject to calcination

需经过煅烧

calcination of minerals

矿物的煅烧

undergo calcination

经历煅烧

同义词

calcining

焙烧

The process of calcining limestone produces lime.

焙烧石灰石的过程产生石灰。

反义词

hydration

水合

The process of hydration is essential for maintaining cell function.

水合过程对于维持细胞功能至关重要。

reduction

还原

Reduction reactions are important in many chemical processes, such as metallurgy.

还原反应在许多化学过程中非常重要,例如冶金。

例句

1.New type flashing-speed dynamic calcination technology is used for the production of active nano-ZnO.

采用新型闪速动态煅烧技术装备,在活性纳米氧化锌生产中应用。

2.The effects of calcination and reaction temperatures on the reactivity of the catalyst and the morphology of carbon nanotubes were studied.

分别考察了煅烧温度、反应温度对催化剂活性及生成碳纳米管形态的影响。

3.Coal gangue was activated by calcination with calcium, while gypsum and fluorite as mineralized agent.

采用增钙煅烧方式活化煤矸石,添加石膏和萤石作矿化剂。

4.The polymer cores were removed by calcination and hollow silica spheres with tailored wall thickness were produced.

对复合微球进行热处理除去有机物中心,制备出壁厚可剪裁的空腔硅球。

5.Results reveal that the impregnating, drying, calcination and sulfidation are all important processes for the mechanical strength and reliability of the catalyst.

结果表明,浸渍、干燥、煅烧和硫化均是影响催化剂机械强度及其可靠性的重要过程。

6.Nanometer tungsten nitride powders were synthesized as amm onium metatungstate by means of spray drying, calcination, milling and nitration in pure ammonia.

以偏钨酸氨为原料,采用喷雾干燥、焙烧、球磨和纯氨氮化工艺进行了氮化钨粉体制备研究。

7.The catalysts prepared by reduction pretreatment are more active than those obtained by calcination pretreatment.

经还原预处理比经焙烧得到的催化剂的活性更高。

8.And studied factor, including limestone status, limestone type, and limestone particle size, influence calcination and decomposition characteristic.

并研究了石灰石品位、石灰石种类、石灰石粒径等因素对石灰石煅烧分解特性的影响。

9.A new technology for the preparation of cadmium red pigment - indirect sedimentation - calcination method has been studied.

研制了一种新的制备镉红颜料的方法一间接沉淀煅烧法。

10.The calcination of clay minerals can enhance their properties for ceramic production.

对粘土矿物的煅烧可以增强其在陶瓷生产中的特性。

11.During calcination, carbon dioxide is released from the carbonate materials.

煅烧过程中,二氧化碳从碳酸盐材料中释放。

12.The process of calcination involves heating limestone to produce lime.

这个煅烧过程涉及加热石灰石以生产石灰。

13.In metallurgy, calcination is used to extract metals from their ores.

在冶金中,煅烧用于从矿石中提取金属。

14.The calcination temperature must be carefully controlled to avoid unwanted reactions.

必须仔细控制煅烧温度以避免不必要的反应。

作文

Calcination is a thermal treatment process that involves heating materials to high temperatures in the presence of air or oxygen. This process is commonly used in various industries, particularly in metallurgy, ceramics, and cement production. The primary purpose of calcination (煅烧) is to bring about a chemical change in the material, often resulting in the removal of volatile substances, the decomposition of carbonates, or the conversion of raw materials into more useful forms. For instance, when limestone is subjected to calcination (煅烧), it decomposes into lime and carbon dioxide. This reaction not only produces lime, which is essential for various chemical processes, but also helps in reducing the volume of waste materials.In the field of ceramics, calcination (煅烧) plays a crucial role in the production of high-quality ceramic products. During this process, raw clay and other materials are heated to temperatures that cause them to undergo physical and chemical changes. The result is a hardened, durable product that can withstand high temperatures and is resistant to wear and tear. The calcination (煅烧) process ensures that the final ceramic product has the desired properties, such as strength, porosity, and aesthetic appeal.Moreover, in the cement industry, calcination (煅烧) is a fundamental step in the production of clinker. The raw materials, primarily limestone and clay, are heated in a kiln at temperatures exceeding 1400 degrees Celsius. This intense heat causes the materials to undergo calcination (煅烧), resulting in the formation of clinker, which is then ground to produce cement. The efficiency of this process is vital for the quality of the final product, as it influences the cement's strength and durability.The significance of calcination (煅烧) extends beyond industrial applications; it also has environmental implications. For example, the calcination (煅烧) of limestone in the production of lime contributes to carbon dioxide emissions, which are a concern in the context of climate change. Therefore, researchers are exploring ways to make the calcination (煅烧) process more sustainable by capturing and utilizing the CO2 produced during the reaction. Innovations in technology may lead to more efficient methods of calcination (煅烧) that minimize environmental impact while maintaining productivity.In conclusion, calcination (煅烧) is a critical process in various industries, facilitating the transformation of raw materials into valuable products. Understanding the principles and applications of calcination (煅烧) is essential for professionals in fields such as metallurgy, ceramics, and construction. As industries continue to evolve, the importance of optimizing calcination (煅烧) processes will only grow, highlighting the need for ongoing research and development in this area.

煅烧是一个热处理过程,涉及在空气或氧气的存在下将材料加热到高温。这个过程在各种行业中都很常见,特别是在冶金、陶瓷和水泥生产中。calcination(煅烧)的主要目的是使材料发生化学变化,通常导致挥发性物质的去除、碳酸盐的分解,或将原材料转化为更有用的形式。例如,当石灰石经过calcination(煅烧)时,它会分解成石灰和二氧化碳。这一反应不仅产生了石灰,这对于各种化学过程至关重要,还帮助减少废料的体积。在陶瓷领域,calcination(煅烧)在生产高质量陶瓷产品中发挥着至关重要的作用。在此过程中,原料粘土和其他材料被加热到导致其发生物理和化学变化的温度。结果是一个坚硬、耐用的产品,可以承受高温并抵御磨损。calcination(煅烧)过程确保最终的陶瓷产品具有所需的特性,如强度、孔隙率和美观性。此外,在水泥行业,calcination(煅烧)是生产熟料的基本步骤。原材料主要是石灰石和粘土,在窑中加热到超过1400摄氏度的温度。这种强烈的热量使材料经历calcination(煅烧),形成熟料,然后将其研磨以生产水泥。这个过程的效率对最终产品的质量至关重要,因为它影响水泥的强度和耐久性。calcination(煅烧)的重要性不仅限于工业应用;它还具有环境影响。例如,在石灰生产中,石灰石的calcination(煅烧)会导致二氧化碳排放,这在气候变化的背景下引起了关注。因此,研究人员正在探索使calcination(煅烧)过程更加可持续的方法,通过捕获和利用反应中产生的二氧化碳。技术创新可能会导致更高效的calcination(煅烧)方法,从而最小化环境影响,同时保持生产力。总之,calcination(煅烧)是各个行业中的关键过程,促进了原材料向有价值产品的转化。理解calcination(煅烧)的原理和应用对于冶金、陶瓷和建筑等领域的专业人士至关重要。随着行业的不断发展,优化calcination(煅烧)过程的重要性只会增加,这突显了在这一领域持续研究和开发的必要性。