1原料制备1．1钨、碳化钨、氧化钨粉的新生产工乙以色列METEK金属工艺有限公司开发了一项可用化学、冶炼工艺从含钨废料中回收W、WC、WO3和H2WO4的新生产工艺，这种工艺据称可以获得高纯度并能极好地控制这些产品的粒度分布。这种工艺能处理各种固体废料，如硬质合金涂层合金或 1 Preparation of raw materials 1.1 New production engineer of tungsten, tungsten carbide and tungsten oxide powder Israel METEK Metal Technology Co., Ltd. has developed a new chemical and metallurgical process for the recovery of W, WC, WO3 and H2WO4 from tungsten-containing waste materials Process, which is said to achieve high purity and excellent control over the particle size distribution of these products. This process can handle a variety of solid waste, such as carbide coating alloy or