Live data from Hacker News

Viewing profile — hansarne

hansarne

HN member
Joined
Wed, Sep 08, 2021, 7:50 PM UTC
HN karma
16
Public activity
13 items

About hansarne

No profile information was provided.

Recent public activity

  1. comment
    Comment #30807354

    Thanks for the comment. See calculation breakdown added in a few threads above. Some of our thoughts about the carbon negative part: Paper mills captures CO2 from trees (that are s…

  2. comment
    Comment #30807132

    This is a very fair question. We need to be mindful going forward in how we communicate. We can say that our Scope 3 emissions are negative, but scope 1 we are slightly positive (b…

  3. comment
    Comment #30802940

    It's correct that lignin is used as a fuel, here's one source of it. ~98 is burnt. "currently most of the lignin produced from paper industry is burned as low-value fuel to generat…

  4. comment
    Comment #30801609

    Thank you for this Question! In Norway, where we have stabilized more than 2,5 mill sqm of road, this is the problem we solve the most. Our Lignin is very strong, and more dynamic …

  5. comment
    Comment #30795817

    Yes indeed, thanks for the great short hand product notes! Lower carbon impact + lower cost + 0-25% more durable We can supply the crusher hardware, our binders, onsite first time …

  6. comment
    Comment #30795749

    Thanks for the question! I do not believe that Lignin is the right "glue" in this case. It is quite water resistant, but to bind properly, it needs a certain amount of finer partic…

  7. comment
    Comment #30795319

    Thanks for diving into this! Yes, our Crusher, method and the Lignin binds sand and silts in a great way. If there is a lot of clay, we would also like to add some lime to help wit…

  8. comment
    Comment #30794849

    Thanks for digging into this, awesome questions! Transport is included in all of our estimates, but we haven't yet done the comparison for every location in the world. We are worki…

  9. comment
    Comment #30794687

    Good question! First I think Haakon thinks it sounds A LOT cooler. Second, we have been R&D our asses off developing the actual Crusher hardware. The current Crusher we have develo…

  10. comment
    Comment #30794352

    Thanks! We are very excited turning roads into a part of the climate solution. Road construction and refurbishment is a very conservative industry and unfortunately they often want…

  11. comment
    Comment #30793916

    "Great question, we would love to crush carbon in South America! Our 14 year old road is in Heart Valley in Norway. All of our experience is from Norway so far and our current bind…

  12. comment
    Comment #30793814

    Thank You! You are right! The video shows the first step, which is the crushing. Lignin mixing is step 2. The road can be used by cars immideatly after compacting, as with other me…

  13. comment
    Comment #30793434

    Yes! We are the nice vikings, crushing carbon every day! :-)