用vensil／SBH回收贵金属
回收贵金属的利弊英语作文
回收贵金属的利弊英语作文Pros and Cons of Recycling Precious Metals。
Recycling precious metals has become a popular way tonot only reduce waste but also to recover valuable resources. However, like any other practice, there are both advantages and disadvantages to consider. In this essay, we will explore the pros and cons of recycling precious metals.Pros:1. Environmental Benefits: One of the most significant advantages of recycling precious metals is the positive impact it has on the environment. By reusing these materials, we can reduce the need for mining and extraction, which can be harmful to the environment. Additionally, recycling precious metals reduces the amount of waste that ends up in landfills, further reducing the environmental impact.2. Conservation of Resources: Precious metals arefinite resources, and recycling them allows us to conserve these valuable materials for future generations. By reusing and repurposing these metals, we can extend their lifespan and reduce the need for new mining and extraction.3. Economic Benefits: Recycling precious metals can also have economic benefits. By recovering and reusing these materials, we can reduce the demand for newly mined metals, which can help stabilize prices. Additionally, recycling can create jobs in the recycling and refining industries, contributing to the economy.4. Energy Savings: Recycling precious metals requires less energy than mining and refining new materials. This can lead to significant energy savings and reduced greenhouse gas emissions, further benefiting the environment.Cons:1. Cost and Complexity: While recycling precious metalscan be beneficial, it is also a complex and costly process. Recovering and refining these materials requiresspecialized equipment and expertise, which can be expensive. Additionally, the process of separating and purifying the metals can be complicated and time-consuming.2. Contamination: Precious metals can become contaminated during the recycling process, reducing their purity and value. Contamination can occur from impuritiesin the materials being recycled or from the use of improper recycling techniques. This can make it more difficult to reuse the metals in high-value applications.3. Limited Supply: While recycling can help conserve precious metals, it is not a limitless source. Eventually, the supply of recycled metals may not be enough to meet demand, leading to the need for new mining and extraction.4. Environmental Impact: While recycling preciousmetals can have environmental benefits, the process itself can also have negative environmental impacts. The use of chemicals and the generation of waste during the refiningprocess can contribute to pollution and environmental degradation.In conclusion, recycling precious metals has both advantages and disadvantages. While it can have significant environmental and economic benefits, it also comes with costs and complexities. As the demand for these valuable resources continues to grow, it is important to carefully consider the pros and cons of recycling precious metals and work towards finding sustainable solutions for their recovery and reuse.。
贵金属回收的技术和途径
贵金属回收的技术和途径贵金属是指金、银、铂、钯等具有较高贵重度和工业应用价值的金属。
由于其稀有性和稳定性，贵金属具有较高的投资保值和风险避险价值。
因此，贵金属市场一直存在着较高的交易需求。
与此同时，由于贵金属的稳定性和低回收率，贵金属回收也成为贵金属市场必不可少的一环。
本文将从技术和途径两方面，详述贵金属回收的相关知识。
一、贵金属回收的技术（一）冶金法冶金法是传统的贵金属回收技术，其使用范围广泛。
其基本原理即是通过熔融或溶解贵金属，使其分离出来。
其中，熔融法主要适用于回收黄金和银；而溶解法主要适用于回收铂和钯。
冶金法的主要优点是回收率高和适用范围广泛，但也存在着一些问题，如耗时、耗能、环保问题等。
（二）生化法生化法是一种新兴的贵金属回收技术，其基本原理是通过微生物代谢过程，将含贵金属的废水、废液转化成可回收的贵金属。
其中，生化法最大的优点是环保和高效，能够在更短时间内和更低成本内回收贵金属。
但其同样也存在着一些问题，如微生物生长周期长，所需的环境条件高等。
（三）物理法物理法是一种通过机械、电力、磁力、重力、气力等推动贵金属的分离和回收的技术。
其中，重力分离法和磁力分离法是常见的物理回收技术。
物理法主要适用于回收含较短链长的贵金属和大块贵金属，如废弃电子、废弃化合金等。
物理法有着回收率高和处理速度快的优点，但其回收方式较为单一，不能回收所有的贵金属。
二、贵金属回收的途径（一）熔炼企业熔炼企业是一种比较传统的贵金属回收途径，主要通过工业炉或电子炉，将含贵金属的物料熔融，然后通过分离和提取的方式，回收出有用的贵金属。
熔炼企业的回收效率较高，但其存在着成本高、周期长等问题。
（二）贵金属回收商贵金属回收商是一种专业的贵金属回收服务机构。
其主要业务包括金银、铂、钯等贵金属的回收、提炼、加工和销售。
贵金属回收商的主要优点是专业、便捷、时效性高，但其回收价政等因素也需要考虑。
（三）网上贵金属回收平台随着互联网技术的发展，网上贵金属回收平台逐渐兴起。
一种废液中贵金属的回收方法与流程
一种废液中贵金属的回收方法与流程随着工业化进程的加速，废液中含有大量的贵金属成分，这些贵金属包括铂、金、银等，如果能够有效回收这些贵金属，不仅可以减少资源浪费，还可以为企业带来不小的经济效益。
研究开发一种高效、环保的废液中贵金属回收方法显得尤为重要。
本文将就一种废液中贵金属的回收方法与流程展开介绍。
1. 废液贵金属成分分析首先需要对废液中的贵金属成分进行分析，包括贵金属的种类、含量等方面的数据。
这一步对于制定后续回收方案具有重要意义，只有了解废液贵金属的具体成分，才能采取针对性措施，提高回收效率。
2. 预处理在实际回收过程中，废液通常含有大量的杂质，需要进行预处理。
预处理工序包括过滤、沉淀、中和等步骤，目的是去除废液中的杂质，净化废液。
这一步将为后续的贵金属回收奠定基础。
3. 贵金属浸出经过预处理的废液将进入贵金属浸出工序。
浸出工艺可以采取化学浸出或者生物浸出，具体的浸出剂和浸出条件需根据废液成分而定。
贵金属浸出是关键步骤，其目的是将固体废物中的贵金属溶解到浸出液中，为后续的贵金属分离和提纯打下基础。
4. 贵金属分离贵金属浸出后，浸出液中含有多种贵金属成分，需要进行分离。
根据不同贵金属的溶解性质和相对溶解度差异，可以采取化学沉淀、溶剂萃取等方法进行贵金属的分离。
在这一步骤中，需要掌握贵金属的物化性质，以确保分离效果。
5. 贵金属提纯获得的贵金属物质往往含有杂质，需要进行提纯。
提纯工艺可以采用电解、浸出、蒸馏等方法，以使贵金属的纯度达到工业要求的标准。
贵金属的提纯工序是整个回收过程中的关键环节，直接影响贵金属的质量和市场竞争力。
6. 废液处理在贵金属回收过程中，废液处理同样不能忽视。
废液中可能会含有一定量的有害物质，需要进行安全、环保的处理。
废液处理工序包括中和、沉淀、固液分离等过程，以净化废液，避免对环境产生不利影响。
7. 成品收集经过以上工序，可以获得高纯度的贵金属成品。
成品贵金属需要进行收集、包装、标识等工作，并按照相关法律法规进行储存、运输等环节，确保其质量和安全。
微生物法回收贵金属二次资源的研究进展
微生物法回收贵金属二次资源的研究进展刘新星;赵文雅;董海刚;谢建平【摘要】Precious metals (PMs) are widely used in industries due to their unique physical and chemical properties. An increasing demand but a limited availability of PMs has led to great rises or fluctuations in their price. Thus it is urgent and attractive to recover PMs from secondary resources. The biosorptive recovery of PMs from waste solutions and secondary resources has attracted much attention, because it is more effective as well as cost-saving than traditional techniques. Besides, it is suitable for processing low concentration wastewater. The recent advances in biosorbents and biosorption for recovery of PMs were summarized in this review. The biosorptive mechanism and the influencing factors were also discussed.%贵金属具有众多优良特性，在现代工业中应用广泛。
我国金、银资源虽较丰富，但铂族金属极其匮乏，随着国民经济的快速发展，近年已成为贵金属需求大国，供需矛盾十分突出。
利用废电脑cpu回收金银铜的一种工艺流程
利用废电脑cpu回收金银铜的一种工艺流程One potential method of recycling gold, silver, and copper from unused computer CPUs is through a process known as precious metal recovery. This technique involves several steps to extract the valuable metals from the CPU components.需要将废弃的电脑CPU进行处理，将CPU从主板上取下。
这可以通过拆卸电脑外壳和相关部件来完成。
注意要小心处理过程中，避免机械损坏或损伤。
Once the CPU has been removed, it needs to be carefully disassembled to isolate the precious metals. The most valuable components for recovery are the pins, which contain small amounts of gold and silver. These pins are typically located on the underside of the CPU package.接下来，需要用工具小心地剥离CPU芯片和引脚之间的封装材料。
一种常见的方法是使用化学剂来软化外层保护材料，然后使用工具轻轻刮除。
After removing the protective casing material, the nextstep is to dissolve any remaining plastic or organic substances from the pins. This can be accomplished by soaking them in a chemical solution that will break down these materials. It's important to choose a suitablesolvent that won't affect or react with the precious metals.随后，得到纯净的引脚后，我们可以继续进行金银铜的提取过程。
贵金属回收工艺流程
贵金属回收工艺流程英文回答：The process of precious metal recycling involvesseveral steps to extract and refine valuable metals from various sources such as electronic waste, jewelry, and industrial scrap. Here is a general overview of the process.1. Collection and Sorting:The first step is to collect the materials containing precious metals. This can include old electronic devices, broken jewelry, and industrial waste. These materials are then sorted based on their type and metal content. For example, electronic waste is separated into different categories like circuit boards, connectors, and chips.2. Dismantling and Shredding:Once the materials are sorted, they undergo adismantling process. In the case of electronic waste, this involves removing components and separating them from the non-metallic parts. The materials are then shredded to reduce their size and facilitate further processing.3. Chemical Treatment:The shredded materials are subjected to various chemical treatments to recover the precious metals. This can include processes like leaching, where the metals are dissolved using acids or other chemicals. The resulting solution contains the dissolved metals, which can befurther processed to extract the desired metals.4. Precious Metal Extraction:The next step is the extraction of precious metals from the solution obtained in the previous step. This is typically done through methods like precipitation, where a chemical reaction is used to convert the dissolved metals into solid particles. These particles can then be separated and purified to obtain pure precious metals.5. Refining and Purification:The extracted precious metals undergo further refining and purification to remove impurities and increase their purity. This can involve processes like electrolysis, where an electric current is passed through the metal to separate impurities. The metals are then melted and cast into desired shapes like bars or ingots.6. Quality Control and Assaying:Before the final products are ready for sale, they undergo quality control and assaying to determine their purity and value. This is done through various testing methods like fire assay or spectroscopy. The results of these tests ensure that the precious metals meet the required standards and can be certified.中文回答：贵金属回收的工艺流程包括几个步骤，用于从各种来源（如电子废料、珠宝和工业废料）中提取和精炼有价值的金属。
教你3个废旧贵金属的回收小技巧
二手回收公司在进行成都废品回收过程中通常会遇到废旧贵金属的回收的情况，在这里告诉大家几个废旧贵金属的回收的技巧。
技巧一：电解退银新工艺
采用电解退银设备，以石墨板为阴极，不锈钢滚筒为阳极，滚筒上有许多细孔。
柠檬酸钠和亚硫酸钠为电解液，镀银件从滚筒首端进入，从滚筒尾端送出。
镀件表层上的银进入电解液，镀件基体完全无损可返回从新电镀应用。
银回收率97—98%，银粉纯度99.9%。
技巧二：废银—锌电池的回收应用
废银锌电池含银52.55%、含锌42.7%。
锌为负极，氧化银为正极涂在铜网骨架上。
采用稀硫酸分手浸锌和铜，银粉间接熔锭。
稀硫酸浸铜时参加氧化剂，含锌液经浓缩结晶消费硫酸锌，含铜液浓缩结晶消费硫酸铜。
锌回收率>98%，银回收率98%，银锭纯度>99%。
技巧三：从废胶片中回收银
应用稀硫酸液洗脱彩片上含银乳剂层，氯盐加热沉淀卤化银，氯化培烧或有机溶剂洗涤除有机物，碱性介质用糖类固体悬浮恢复得纯银。
银纯度99.9%，直收率98%。
采用硫代硫酸钠溶液溶解废胶片上的卤化银，溶解过程中参加抑制剂阻止胶片上明胶的溶解，溶解液经电解回收银，片基回收应用。
银浸出率>99%，回收率98%，银纯度99.9%。
此法已应用于工业消费。
半导体贵金属回收计算方式
半导体贵金属回收计算方式
1. 确定回收的贵金属种类，半导体中常见的贵金属包括金、银、铂、钯等。
首先需要确定需要回收的贵金属种类，因为不同的贵金
属在回收计算方式上会有所不同。
2. 测定回收量，对待回收的半导体材料进行精确的测量和分析，确定其中含有的贵金属的量，这可以通过化学分析或其他物理方法
来实现。
3. 成本核算，计算回收过程中的成本，包括收集、处理、提取
等环节的人力、设备、化学品等成本，这些成本会影响最终的回收
收益。
4. 市场价格，了解当前市场上贵金属的价格，这可以通过贵金
属交易市场或者金属期货市场等渠道获取。
5. 计算回收收益，将回收量乘以贵金属的市场价格，然后扣除
回收成本，即可得到大致的回收收益。
需要注意的是，贵金属回收计算方式中还可能涉及到污染物处
理、环保要求等因素，这些也会对回收计算方式产生影响。
此外，不同的回收企业可能会有不同的计算方式和标准，因此在选择合作伙伴时需要进行充分的比较和评估。
总的来说，半导体贵金属回收计算方式是一个复杂的过程，需要综合考虑多个因素，以确保回收过程的经济效益和环保可持续性。