blue planet synthetic limestone

Blue Planet provides a unique solution to the global carbon capture problem. The aggregate can be produced in different sizes, ranging from sand-sized to gravel-sized. September 28, 2020. The process that Blue Planet uses takes flue gas from a natural-gas-fired power plant and turns it into calcium carbonate, essentially artificial limestone, a type of mineral with high-carbon content typical for natural sedimentary rock. Blue Planet Nutrients, The Professional's Choice. With the exception of water, aggregate is the most transported material on Earth. Air pollution from burning fossil fuels kills over 1 million people per year and is the primary cause of climate change. Carbon Negative Building Blue Planet’s technology uses CO2 as a raw material for making carbonate rocks. Blue Planet converts CO2 to CO3 after capture, but at no point do we purify the CO2. This differentiates Blue Planet from most CO2 capture methods because the captured CO2 does not require a purification step, which is an energy and capital intensive process. The goal is to get the CarbonStar rating as low (or negative) as possible. We believe human (anthropogenic) contributions to Earth’s atmospheric CO2 levels is about 35 billion (35 Gigatones) per annum, and growing. The transportation and product delivery infrastructure for delivering Blue Planet’s carbon sequestered aggregate is already in place in every country and at every site in the world that is producing concrete, asphalt and road base. This approach would also save enormous transportation costs and carbon footprint. New processes and scalable systems like theirs are instrumental components of reducing the impact we have on our planet.”. Blue Planet’s new biomimetic carbon capture and mineralization technology utilizes several patented scientific breakthoughs. Additionally, specific comparative mix designs can be simply and quantitatively compared using the CarbonStar rating which plainly shows the consequences of different proportions of aggregate and cement of the mix designs of interest. Blue Planet will capture carbon dioxide emissions from bioenergy, natural gas and coal-fired power plants, steel mills, cement plants, and refineries, … This approach is a truly global one in that both rich and poor countries alike purchase rock by funding infrastructure projects every year. The difference being that Blue Planet aggregate contains sequestered CO2, which when used in place of traditional aggregate, reduces CO2 in concrete. Thus the total offset is 1320 lb.s industrial or atmospheric CO2 sequestered in aggregate + 600 lb.s captured from the production of portland cement, totaling 1320 + 600 = 1920 lb.s CO2 offset, or nearly one ton CO2 (2000 lb.s) captured and incorporated per cubic yard of concrete. Unlike other carbon capture methods that require an energy-intensive carbon dioxide purification step for liquification, transport and injection, the Blue Planet system directly converts the carbon dioxide diluted in flue gas to carbonate, which avoids significant costs and parasitic loads of purifying the carbon dioxide gas from a dilute stream in order to liquify it for underground disposal. Sources: Blue Planet Systems Corp., Los Gatos, Calif.; CP staff. While our Upcycled Aggregate does not directly sequester CO2, it offers significant benefit compared to virgin aggregate by adding recycled content value, and the avoidance of CO2 related to mining and transportation. The current approach to lowing this carbon footprint is reducing the amount of portland cement in the mix, usually with an SCM (supplementary cementitious material like fly ash). The Blue Planet System directly converts CO2 to carbonate for mineralization as a synthetic limestone (graphic courtesy Blue Planet Systems). CO2 sources include flue gases from bioenergy plants, natural gas and coal-fired power plants, steel mills, cement plants, and refineries, as well as directly from the atmosphere – direct air capture (DAC). The production and distribution of synthetic aggregate for concrete make the operations profitable. Blue Planet’s proprietary process creates synthetic limestone sand and gravel that can be used to make carbon neutral and carbon negative concrete, with the same structural integrity of conventional concrete. 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The carbonated solutions formed from the captured CO2 are used to form a carbonate mineral coating over a nucleus or substrate. Blue Planet Systems Corporation is a cleantech startup company located in Los Gatos, California, that is developing technology, products and services related to economically sustainable carbon capture and mineralization, whereby carbon dioxide is permanently sequestered in building materials for beneficial reuse, specifically as aggregate for concrete. Typically if it is not landfilled, it is broken up and recycled for a low value use – such as a road base. Most aggregate on a worldwide basis is purchased by governments, or for government-funded projects. Blue Planet carbon sequestration plants produce coarse and fine aggregate made from sequestered CO2 utilizing the carbon mineralization process. Standard concrete by comparison, typically comprises the largest CO2 footprint in a building or infrastructure project. 70% of the aggregate used in concrete is already limestone. According to the company, the synthetic limestone can replace naturally-mined limestone aggregate as the principal constituent of concrete, permanently isolating the captured carbon dioxide. Blue Planet to mineralize carbon into synthetic limestone Published on: 28 October 2020 . The use of Blue Planet aggregate is the most effective way to achieve carbon neutral – or even carbon negative – concrete. Second, If the portland cement in the mix originates from a cement kiln where Blue Planet has captured the CO2, then the typical 600 lb. Mailing Address: Blue Planet, Ltd. 100 Cooper Ct., Suite A. In practice, this means that every cubic yard of this concrete which is places contains the 1920 lb.s of CO2 that would have otherwise entered Earth’s atmosphere, Magnitude of CO2 Sequestered Aggregate Impact. Send us an email: info@blueplanet-ltd.com But this approach is limited to only reducing the carbon footprint, and only by about 50% or 300 lbs per cubic yard (CarbonStar ratings of 600 and 300 respectively).