重大技术突破！纯度达“99.99997%”

Core Insights - Anhui Wanrui Cold Electric Technology Co., Ltd. has successfully developed a low-temperature refining and neon removal device, achieving helium gas purity of 99.99997% (6N9 grade) and neon impurity levels below 0.3 ppm, marking a significant breakthrough in the extraction of helium from low-abundance natural gas in China [1][2] Group 1: Technology and Innovation - The newly developed helium extraction device is the first of its kind in China to produce 6N9 grade ultra-pure helium from natural gas [1] - The research team has pioneered a novel "combined method" helium extraction process, integrating four stages: dehydrogenation, membrane separation, pressure swing adsorption, and low-temperature refining [2] - The device operates continuously for 24 hours without downtime, with an annual extraction capacity of 400,000 cubic meters of high-purity helium [2]