We were able to develop a completely circular process that goes directly from lithium chloride to lithium hydroxide. It also has lower capital and operational expenditure, lower footprint, lower energy consumption, and significantly lower CO2 emissions. It is easier to operate and much better for the environment.
Conventional lithium hydroxide production processes require the use of lime and sodium carbonate. First, it is precipitated in carbonate and then the lithium carbonate is transformed into lithium hydroxide. This method involves a large reagent consumption.
In our process, we add potassium hydroxide to lithium chloride solution and, by doing so, precipates lithium hydroxide selectively. After this precipitation, the lithium hydroxide is recovered by filtering. The mother liquor is crystallizing selectively potassium chloride. This potassium chloride goes into standard industrial applied electrolysis, which is highly efficient, to make potassium hydroxide again. This way, we have a green and circular process and energy consumptions are significantly lower than, for example, the processes of lithium chloride electrolysis or electrodialysis. Potassium electrolysis has very high current efficiency of plus 95%. For every tonne of lithium hydroxide, you need 50% less electricity than alternative processes under development.
One of the major environmental benefits is that you do not have any waste, because you re-circulate the reagents. This is also a major positive for its use in the battery recycling industry, which actually has to buy and transport sulfuric acid and makes sodium sulfate as a by-product without any market for it.
In addition, you do not have to ship all the reagents to the site or plant, which is much safer and generates significantly lower CO2 emissions. The process itself also emits significantly lower CO2 emissions as it is very energy efficient."
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Have to point this part out ---
" One of the major environmental benefits is that you do not have any waste....."
That is absolutely unheard of when making Hydroxide.
If you're still wondering who Peter Ehren is to E3, look @ the bottom of resource press releases & add this:
E3 October 04, 2023:
"The Company has now produced LHM and will share more details in the coming weeks"
KPI's are looking outstanding.
Mfgr & sorbent patented.
Less sorbent contact time.
LHM vendor has an outstanding, recently patented process, for lower capx & opx.
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https://www.innovationnewsnetwork.com/lithium-ark-a-green-and-circular-production-process-for-lithium-hydroxide/30629/
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https://www.innovationnewsnetwork.com/lithium-ark-a-green-and-circular-production-process-for-lithium-hydroxide/30629/
https://nl.linkedin.com/in/peterehren?challengeId=AQEAJQZpOsHLNQAAAYsMEIUGbASwfq2ziiihtrPxJXgg4maxJYrqmGH_41hCsnF6yWZWlTklM4lgNsDW_qqrTvz1JftA2ePd8Q&submissionId=929926fe-d6f0-8b17-ce41-62df0fc6d34d&challengeSource=AgH32bb-9ft9DgAAAYsMEOa0tdwWIo6Z1LIyTCTMzYNUztoaBwmIbTKrvT7LSVM&challegeType=AgEzl3Ss_Cv8yQAAAYsMEOa3ykkn_yBptb5u9ua4-dOPUNU7nGc95X0&memberId=AgHeQXiWEv1WYwAAAYsMEOa7klHcwSdY-su8gK6lCX_wTD8&recognizeDevice=AgFs4C8_Lyf-BgAAAYsMEOa-ZRFNelURez0TPxMFp50bUM3_R0VX
https://www.lithium-experts.com/
https://www.lithiumjv.com/mystory
https://patents.justia.com/patent/11339481
https://patents.justia.com/patent/20230040988#history