精炼法

Experts believe the project with the traditional lead-smelting technology, has the following characteristics: First, the smelting process to adopt internationally advanced level of oxygen blowing at the end of smelting - to restore the blast furnace method, the use of lead refining electrolysis ; Second, the use of sulfur dioxide gas double-absorption acid technology, the production of domestic water use of recycled water sewage treatment process; Third, the use of waste heat for power generation, waste to make full use of energy reduces energy consumption; Fourth, the high level of automation, low power consumption , Investment, raw materials adaptable, comprehensive recovery rate of high-quality products.

专家认为，该项目与传统炼铅工艺技术相比，具有以下特点：一是冶炼工艺采用具有国际先进水平的氧气底吹熔炼-鼓风炉还原法，铅精炼采用电解法；二是二氧化硫烟气采用两转两吸制酸工艺，生产生活用水采用循环水污水处理工艺；三是利用余热发电，充分利用废弃能源降低了能耗；四是自动化水平高、能耗低、投资省、对原材料适应性强、综合回收率高、产品质量好。

The principle and technology of production of refined nickel from carbonyl nickel and the application of nickel products are introduced with on analysis of technical progress and market prospect of carbonyl nickel in China and abroad.

本文简述了羰基法精炼镍的技术原理、工艺技术及其产品的主要应用，同时对国内外羰基镍技术的进展及市场展望进行了探讨和分析。

In basic refining operations lime is added to the stock to form a basic slag, which can combine with phosphorus and sulphur, thus removing them from the metal.

在碱性法精炼过程中，炉料加有石灰，能生成碱性渣，而碱性渣能与磷，硫生成化合物，从而将磷和硫从钢水中除去。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。