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Climeworks计划逐步淘汰其第一代碳清除技术_我的网站

一 | 早在2017年,Climeworks就成为第一家从空气中吸出二氧化碳并将其作为产品出售的公司。

二 |

Typhoon Dolphin made landfall in Taizhou, East China's Zhejiang Province, on Sunday afternoon, bringing strong winds up to 42 meters per second and heavy torrential rain to the coastal regions amid a red alert - the highest level in the country's typhoon warning system - issued for it earlier that day.
Authorities in East China's Fujian have relocated nearly 100,000 residents, while coastal provinces are suspending railway services and canceled flights, making an all-out effort to mitigate possible risks.
The NMC maintained orange rainstorm and blue severe convective weather alerts at 6 am on Sunday, forecasting exceptionally heavy rainfall of 250 to 440 millimeters in some areas along the eastern coast of Zhejiang, with heavy to torrential rains expected across Jiangsu, Zhejiang, Shanghai, and Anhui between Sunday morning and Monday morning, China Central Television (CCTV) reported.
In response to the typhoon, China's meteorological authority on Sunday upgraded its emergency response for severe meteorological disasters from Level III to Level II.
Fujian raised the emergency response level for typhoon prevention to Level II at 9 am on Sunday.
As Typhoon Dolphin gathers strength and approaches the coastal areas, Fujian's flood control authority, as of 6 pm on Saturday, deployed a total of 17,800 officials to and relocated 98,900 people from high-risk areas, Xinhua News Agency reported on Saturday.
Fujian has suspended all 115 marine engineering projects and moved 290 construction vessels to safe waters, while 55 passenger ferry routes in affected waters have been halted, chinanews.com reported.
Meanwhile, railway services in the affected regions including Fujian, Zhejiang, Shanghai have also been suspended from Sunday to Monday, according to chinanews.com.
Fujian authorities have urged stronger safety measures for returning vessels, offshore platforms and coastal and island tourism, as well as reinforcement of aquaculture facilities. They also called for timely evacuations from flood- and landslide-prone areas to guard against secondary disasters from the typhoon and heavy rain, chinanews.com reported.
In Zhejiang, Wenzhou city has closed all 85 A-level national tourist attractions, turned away more than 7,400 visitors and evacuated over 1,600, with the relocation effort ongoing, according to CCTV. Next, Wenzhou will next implement a "five suspensions" policy, halting outdoor group activities, classes, work, business operations and transportation.
All fishing vessels at Shitang Fishing Port in Wenling, Zhejiang, have returned to port, with all personnel evacuated ashore and maritime rescue teams on standby. Authorities urged vessels to stay off the sea during the typhoon.
In Shanghai, Pudong and Hongqiao airports operated at reduced capacity on Sunday, with nearly 60 percent of flights canceled. A total of 1,384 flights are scheduled to be canceled including 871 at Pudong and 513 at Hongqiao. Passengers are advised to check with their airlines for the latest updates and adjust travel plans accordingly, according to CCTV.
According to Hu Xiao, meteorological analyst at the NMC, the typhoon has several notable features, including its strong intensity and expansive circulation. The typhoon also has several unusual features. Forming unusually far east, near 180°E, it has traveled more than 7,200 kilometers, making its potential landfall in China a rare event and possibly the easternmost such landfall since 1951. Its 12-day lifespan is also well above the typical seven-to-10-day average, CCTV reported.
According to Ma Jun, director of the Institute of Public and Environmental Affairs, Typhoon Dolphin traveled a long distance and remained at typhoon or severe typhoon strength of its lifespan so far. Despite passing through some areas that were unfavorable to its development, its powerful inner core remained intact, while its extensive cloud system continued to absorb moisture and energy, fueling the potential for torrential rainfall.
The typhoon has remained at sea for more than 260 hours and experienced a rare "three rises and three falls" in intensity. Its unusually long lifespan has allowed it to absorb more moisture and energy, while repeated intensity fluctuations have complicated forecasts of its future track and intensity of wind and rainfall, according to CCTV.
After landfall, Typhoon Dolphin may move slowly, prolonging heavy rainfall and raising the risk of extreme precipitation and related disasters. Its track later in the week remains uncertain as it could interact with the southwest monsoon and cold air from the northwest, potentially broadening and intensifying its impacts, Ma told the Global Times on Sunday.
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三 | 那时,其名为Capricorn的直接空气捕集(DAC)工厂在瑞士Hinwil开业。除了作为Climeworks持续增长的基础,Capricorn的存在本身就是全新的碳清除行业的一个重要里程碑。

四 | 五年后,Capricorn基本上是过时的气候技术。Climeworks周四宣布,它“完成了其在Hinwil的DAC设施的商业运作阶段,导致其第一代技术的淘汰”。该公司没有立即回应The Verge关于这对工厂的未来意味着什么的问题--它是否会完全关闭或继续在线但放弃向其他公司出售二氧化碳。但Climeworks在其公告中明确表示,它现在优先考虑“扩大其永久性二氧化碳清除量”。而Capricorn 并不是为了永久清除大气中的温室气体而建造的。它开始向附近的一个温室提供二氧化碳,该温室用它来帮助种植蔬菜。然后,可口可乐HBC瑞士公司在2019年出现,并开始购买二氧化碳来对其气泡矿泉水进行碳酸化。据Climeworks称,这是第一次将直接空气捕集技术应用于饮料行业。Capricorn向世界展示了直接从空气中捕获二氧化碳的技术可以在商业规模上发挥作用。挑战在于,打开瓶装苏打水最终会将二氧化碳释放回空气中。而作为示范项目开始的Capricorn,并没有捕捉到非常多的二氧化碳。为了真正对气候变化产生影响,大量的二氧化碳需要被抽出并永久储存。这就是Climeworks的最新努力的目标。2021年9月,该公司开设了迄今为止最大的直接空气捕集厂,名为Orca,与Capricorn每年捕集的几百吨二氧化碳相比,它能够每年从空气中去除4000吨二氧化碳。6月,Climeworks公司的Mammoth项目破土动工,预计其捕获的二氧化碳是Orca的9倍。Orca和Mammoth都位于冰岛Hellisheiði的战略位置--那里相对年轻的玄武岩层可以为捕获的二氧化碳提供充足的储存,就在捕获的设施附近。有趣的是,Climeworks在冰岛的业务仍然在Carbfix公司的帮助下制造一种气泡水,该公司与之合作储存二氧化碳。

五 | 在从空气中过滤后(使用看起来像装满巨大风扇的集装箱),每吨二氧化碳与大约27吨水混合。

六 | 然后,这些气泡水被注入地下,在那里它将与玄武岩发生反应,产生碳酸盐矿物。这个想法是,一旦碳酸水变成了坚硬的岩石,就不必担心二氧化碳逸出并加热我们的星球。在Capricorn之前,在实验室之外并没有太多的工作以这种方式解决气候变化问题。可以肯定的是,仍然有很长的路要走,以证明围绕着碳清除的技术、经济和政策能够足够一致,对气候危机产生重大影响。Capricorn的初步成功是这个旅程的一部分。

七 | 现在,随着该设施退居二线,转而从事更持久的碳清除工作,Capricorn正标志着该行业的另一个转折点。

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Published on:22:12:17
