• Model NO.: Customized
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There are two types of silver extraction: wet and fire.

(1) Wet method

Wet method of silver extraction has cyanidation, sulfuric acid leaching, slurry electrolysis and other methods.

1. Cyanidation method (non-toxic agents are also av…

Recently, the “Large Tanker Series Optimization Research” project undertaken by CSIC Ship Research and Design Center successfully passed the pre-acceptance of the China…

The tube sheet is the main component of the lithium bromide refrigeration unit, and the processing of the tube sheet is an important production link. The tube sheet processing process is drilling, reaming and in-hole grooving. Among them, the grooving in the hole requires high precision an…

Since its establishment, CSIC Ship Design and Research Center has conducted in-depth market research, combined with the shipyard's actual and product positioning, and actively …

Pesticide residue has always been a topic that people are more concerned about, because it is related to diet safety. In the process of planting fruits and vegetables, many growers often use pesticides to kill pests in order to prevent and control pests and to ensure yield. As a resu…

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Former Vice Minister of China's Ministry of Foreign Trade and Economic Cooperation and Secretary-General of the Boao Forum for Asia, Long Yongtu, recently attended the China (Xingsha) Corporate Culture Forum in Changsha, Hunan Province. As the main figure of China's WTO accession …