Nitrogen Oxide Treatment Project for Hefei Thin Film Material Co., Ltd. This project began operating in May 2021. It treats high-concentration nitrogen oxide waste gas produced when nitric acid dissolves indium. Data from the client show that the indium dissolution…
Improving Silver Electrolysis Efficiency Through High Current Density To advance silver electrolysis technology, increasing current density is critical. However, this must not compromise silver quality (National Standard Grade 1) or equipment performance. Conventional electrolytic cells face challenges under high current…
To advance silver electrolysis, increasing current density is key—while ensuring high-quality cells (National Standard Grade 1 silver) and stable operation. However, traditional electrolytic cells face challenges. Their conventional electrolyte circulation limits performance at high current densities, causing severe concentration…
Zhengzhou Jinquan Mining and Metallurgy Equipment Co., Ltd. is a comprehensive enterprise. It specializes in precious metal recovery, refining, and purification. The company also provides technical services, equipment installation, and environmental solutions. It has a skilled technical team. The team…
Advanced Silver Electrolysis Equipment: Efficient, Clean, and User-Friendly Unlike traditional silver electrolysis systems that rely on upward ventilation—which typically require high airflow, high pressure, and excessive energy while occupying disorganized space—our innovative sealed downward ventilation system not only ensures zero gas leakage but also delivers energy-efficient operation, a…
Since the 1970s, automotive exhaust catalysts have driven massive demand for platinum group metals (PGMs). In 2008, this sector consumed 118.3 tons of platinum (Pt), 136.2 tons of palladium (Pd), and 23.6 tons of rhodium (Rh). These figures represented 63.7%, 60%, and 110% of that year’s…
High-Purity and Ultra-High-Purity Copper Explained High-purity copper contains at least 99.999% copper (5N purity), where "N" indicates purity level - more Ns mean higher purity. Current standards classify high-purity copper into four grades: HPCu-7N, HPCu-6N5, HPCu-6N, and HPCu-5N. The industry…
Effective Acid-Alkali Exhaust Treatment for Electronics Factories Electronics factories primarily use scrubber systems to treat acid and alkaline exhaust gases. The process follows a gas-liquid countercurrent principle: Exhaust Collection: Fan systems collect and channel exhaust gases into absorption scrubber towers. Gas-Liquid Reaction: Gases contact the absorbent…
Process Design for Recovering Palladium from Coal Chemical Waste Catalysts This paper outlines a palladium recovery process for waste catalysts in coal chemical industries. Key aspects include: Process Design Overview The method involves roasting, leaching, clarification, resin exchange, complexation, palladium…
To begin with, platinum group metal (PGM) electroplating offers a cost-effective alternative to solid PGM components. By applying thin PGM layers onto base metals, manufacturers can significantly reduce material consumption. Among these, platinum (Pt), palladium (Pd), and rhodium (Rh) electroplating are particularly noteworthy…
Recycling Platinum Group Metal Alloy Scrap Platinum group metal (PGM) alloys come in many forms as scrap. Occasionally, factories collect scrap from a single source with a consistent composition. This material may only suffer from surface contamination or physical damage…
Platinum Recovery from Fuel Cell Catalysts New energy has emerged as a critical industry for sustainable development. Significantly, fuel cells represent one of its most promising technologies. Currently, three main types - PAFCs, PEMFCs, and DMFCs - all utilize platinum…
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