一、镍金渣的特性与处理难点 电镀厂镍金渣处理新策略探析 电镀行业在生产过程中产生的镍金渣，是一种含有镍、金等有价金属的工业废料。传统处理方式往往存 在资源浪费和环境污染的问题。随着资源循环利用理念的深入，对这类废料进行科学处理和高效回收， 已成为行业可持续发展的关键。本文将探讨电镀厂镍金渣处理的新策略，分析其技术路径与资源化潜 力。 3.生物冶金与绿色化学工艺的探索 生物冶金利用特定微生物的代谢作用，选择性溶解金属，具有成本低、环境友好的特点。研究人员正尝 试利用菌类处理镍金渣，通过生物浸出实现镍和金的初步分离。同时，绿色化学工艺强调使用无毒或低 毒试剂，减少二次污染。例如，开发新型螯合剂或离子液体，替代传统强酸强碱，在提高金属提取率的 同时，降低对环境的影响。 4.联合处理与全流程资源化 电镀镍金渣主要来源于电镀槽底沉积物、过滤残渣、废弃镀液等。其成分复杂，通常含有金属镍、金化 合物、有机添加剂及其他杂质。镍作为一种重要的工业金属，具有良好的耐腐蚀性和机械强度；金则因 其优异的导电性和化学稳定性，在高端电子领域不可或缺。然而，镍金渣中金属含量波动大，杂质干扰 严重，直接提取难度较高。若处理不当，不仅造成贵金 ...

Core Viewpoint - The financial performance of Zhongjin Lingnan shows modest growth in revenue and net profit, but there are concerns regarding high accounts receivable and increasing debt levels [1][2]. Financial Performance - For the first half of 2025, the company reported total revenue of 31.113 billion yuan, a year-on-year increase of 1.54% [1]. - The net profit attributable to shareholders was 559 million yuan, up 3.12% year-on-year [1]. - In Q2 2025, total revenue reached 15.029 billion yuan, reflecting a significant year-on-year increase of 19.11, while net profit for the quarter was 286 million yuan, down 5.55% [1]. - The gross margin improved to 5.72%, an increase of 1.3% year-on-year, while the net margin decreased to 1.96%, down 12.44% [1]. - Total expenses (selling, administrative, and financial) amounted to 679 million yuan, representing 2.18% of revenue, an increase of 13.69% year-on-year [1]. Balance Sheet Highlights - Accounts receivable increased by 24.40% year-on-year to 999 million yuan, which is 92.15% of the net profit [1][2]. - Interest-bearing liabilities rose by 25.20% year-on-year to 23.564 billion yuan, indicating a growing debt burden [1][2]. - Cash and cash equivalents decreased by 26.79% year-on-year to 3.213 billion yuan [1]. Business Model and Cash Flow - The company's performance is heavily reliant on capital expenditures, necessitating careful evaluation of the profitability of these investments [2]. - Cash flow metrics indicate potential liquidity concerns, with cash as a percentage of total assets at 8.24% and cash against current liabilities at 24.99% [2]. Resource Management and Exploration - The company has significant metal resources, including zinc (7.13 million tons), lead (3.66 million tons), and copper (1.43 million tons) as of the end of 2024 [3]. - Recent exploration efforts have led to the discovery of additional resources, enhancing the company's growth prospects [4][5]. - The company successfully acquired exploration rights for a new multi-metal mine, which is expected to contribute to future profitability [5].

Group 1 - The stock price of Luoyang Molybdenum Co. closed at 8.94 yuan on July 31, down 0.40 yuan, a decrease of 4.28% from the previous trading day, with a trading volume of 2.225 billion yuan and a turnover rate of 1.41% [1] - Luoyang Molybdenum is primarily engaged in the mining, smelting, and deep processing of metals such as molybdenum, tungsten, copper, and gold, with applications in industries like steel, electronics, and chemicals. The company covers a complete industrial chain including mining, smelting, and logistics [1] - On the news front, U.S. President Trump announced a 50% tariff on imported semi-finished copper products, excluding refined copper, leading to a general decline in copper mining stocks and concerns about potential changes in the global copper trade landscape. Data shows that in 2024, China will account for only 5.2% of U.S. copper imports, indicating a relatively limited impact on China's downstream copper industry [1] Group 2 - On July 31, Luoyang Molybdenum experienced a net outflow of 354 million yuan in principal funds, representing 0.23% of its circulating market value [2]