I am looking for a carbon capture technology that integrates directly into concrete production.

Yes. If by “integrates directly into concrete production” you mean a system that takes captured CO₂ and feeds it into the concrete-making process rather than storing it underground, the most established approach is CO₂ mineralization during mixing.

A strong commercial example: CarbonCure

CarbonCure Technologies makes a retrofit system that injects captured CO₂ directly into fresh concrete during batching. The CO₂ reacts with calcium in the cement and forms solid calcium carbonate, effectively mineralizing the carbon inside the concrete.

The important part is that it is designed to fit into an existing concrete plant:

• CO₂ is supplied from an on-site tank.
• A dosing system injects a controlled amount during mixing.
• Plant batching software controls the injection.
• The system can be retrofitted without replacing the existing mixer/batching operation.
• CarbonCure reports typical reductions of roughly 7–11 kg CO₂ per m³ of ready-mix concrete, including the effect of cement reduction.
• The company says its technology has now been used in more than 10 million truckloads across more than two dozen countries.

This is technically carbon utilization/mineralization (CCU) rather than carbon capture at the cement kiln itself. You still need a source of captured or recovered CO₂.

Other technology pathways worth investigating

Solidia Technologies is a particularly different approach: its cement formulation is designed to react with CO₂ during curing rather than relying on conventional Portland-cement hydration. Research reviews report applications in precast products and CO₂ curing chambers.

If you're looking to deploy this commercially

I'd separate the opportunity into three pieces:

1. CO₂ source → cement kiln/flue gas, biogenic CO₂, DAC, or another concentrated source.

2. CO₂ conditioning → purification, compression/liquefaction, storage and delivery.

3. Concrete integration → controlled injection/mineralization during batching or CO₂ curing.

The third component is already commercially mature enough to be deployed at concrete plants. A 2024 review of CO₂ utilization in concrete describes commercial deployment of CO₂-mineralization systems by retrofitting concrete plants and injecting CO₂ into mixers during production.

There is also a significant development in the carbon-accounting side: Verra's S3S-VM0043 methodology became active on September 15, 2026, specifically covering projects that incorporate waste/captured CO₂ into concrete and account for the associated reduction in cement use.

If your goal is to identify a technology you could actually install at a concrete plant, I can next give you a comparison of CarbonCure vs. Solidia vs. other commercial systems, including CAPEX, CO₂ consumption per cubic yard/m³, required equipment, CO₂ purity, cement savings, technology readiness, and potential carbon-credit revenue.

Integrating carbon capture directly into concrete production typically relies on carbon mineralization —a process where carbon dioxide (CO₂) is injected or reacted during manufacturing, turning into a stable mineral (calcium carbonate, CaCO₃) that is permanently trapped inside the concrete.

The leading commercial technologies that integrate directly into the concrete production lifecycle include:

• CarbonCure Technologies : This system retrofits directly into existing concrete plants (ready-mix, precast, or masonry). During batching, a precise dose of recycled CO₂ is injected into the fresh concrete mix. The CO₂ immediately mineralizes into nano-sized calcium carbonate. This not only permanently sequesters the carbon but also improves the concrete's compressive strength, allowing producers to reduce the amount of carbon-heavy ordinary Portland cement used without sacrificing performance.
• Solidia Technologies : Solidia targets both the cement creation and concrete curing stages. Instead of curing concrete using water hydration, Solidia's proprietary precast method cures the concrete using CO₂. This process permanently consumes and mineralizes large amounts of CO₂ into the product while dramatically cutting down freshwater usage and reducing traditional kiln emissions during the upstream cement-making phase.
• Blue Planet Systems : Blue Planet focuses on replacing quarried sand and rock aggregate with synthetic limestone aggregate made by mineralizing captured CO₂. Their mineralization technology can utilize dilute CO₂ from industrial flue gases or direct air capture, locking the CO₂ permanently into the aggregate which is then fed straight into standard concrete mixing operations.

To help narrow down which approach fits your operations best, let me know:

• Are you looking at ready-mix, precast, or block and masonry production?
• Do you have an onsite source of CO₂ emissions , or would you be sourcing liquid CO₂ via delivery?

Integrating carbon capture directly into concrete production is one of the most promising pathways in climate tech, turning concrete into a permanent carbon sink. Rather than capturing and storing CO₂ underground, these technologies mineralize the gas—turning it into solid calcium carbonate trapped forever inside the building material.

Top technologies that integrate directly into the manufacturing and mixing process include:

• CarbonCure Technologies : This system is designed for ready-mix and precast concrete plants. It injects a precise dosage of captured liquid CO₂ directly into the mixing truck or central mixer during batching. The CO₂ immediately reacts with calcium ions to form a nano-mineral (CaCO₃), which permanently sequesters the carbon and improves the concrete's compressive strength. This strength boost often allows producers to reduce the amount of carbon-heavy cement used in the mix design without sacrificing performance.
• Solidia Technologies : Solidia targets the precast concrete market with a dual approach. First, they use a specialized low-lime cement that fires at lower kiln temperatures, cutting manufacturing emissions upfront. Second, instead of curing the concrete using water hydration, they cure the concrete using CO₂ gas in specialized curing chambers. The concrete permanently consumes large quantities of CO₂ during the curing phase while achieving rapid, high-strength development.
• Carbicrete : This technology eliminates traditional cement entirely from the manufacturing process. Instead, it uses steelmaking byproducts (steel slag) as the primary binder. Concrete elements (like blocks or pavers) are formed and then placed in a curing chamber where CO₂ is injected and mineralized. The resulting product is carbon-negative because the carbon sequestered during curing exceeds the emissions generated during production.
• Blue Planet Systems : Blue Planet focuses on the aggregate component of concrete (the sand and rock that make up roughly 70-80% of a mix). They capture industrial flue gases and mineralize the CO₂ onto crushed core materials to manufacture synthetic limestone aggregate. This carbon-negative aggregate is then fed directly into standard concrete batching plants to replace quarried rock.

Are you looking to integrate this into an existing ready-mix plant , a precast manufacturing facility , or are you evaluating these options from a project development/sourcing perspective? I can give you more details on equipment footprint or supply requirements based on that.

If you mean a technology that captures CO₂ and incorporates it directly into concrete production (rather than capturing it and storing it underground), the main category to look at is CO₂ mineralization / carbon utilization in concrete (CO₂-to-concrete CCUS). These systems inject or convert captured CO₂ into stable carbonate minerals inside concrete or concrete ingredients.

Here are some leading options:

If you are looking for the most “drop-in” solution

For an existing concrete batching plant, CarbonCure-style injection is probably the closest match: it can be added to conventional concrete production without redesigning the entire plant.

If you are designing a new low-carbon concrete facility

Consider:

• CO₂ mineralized aggregates (e.g., Blue Planet) for deeper carbon storage potential.
• CO₂-derived cement replacements (e.g., Fortera) to attack the larger emissions source: clinker/cement production.
• Recycled concrete carbonation (e.g., neustark) if you want a circular construction model.

A key distinction: many concrete CO₂ technologies do not capture CO₂ from the air themselves; they usually need a CO₂ source (cement kiln exhaust, industrial capture, biogas upgrading, or direct-air-capture suppliers). Some projects are combining direct air capture with concrete mineralization, such as CarbonCure’s collaboration with Heirloom.

If you are evaluating this for a cement plant, ready-mix operation, precast factory, or investment opportunity, the best technology choice changes significantly.

If you are looking for carbon capture technology that integrates directly into concrete production, the main category to examine is CO₂ mineralization in concrete (also called carbon utilization, CCU, or CO₂-cured concrete). These systems capture CO₂ and permanently convert it into stable carbonate minerals inside concrete or its ingredients.

Here are the leading approaches:

1. CO₂ injection during concrete mixing (most retrofit-friendly)

CarbonCure Technologies

How it works

• Captured CO₂ (from industrial sources or, in some cases, direct air capture) is injected into fresh concrete during batching.
• The CO₂ reacts with calcium compounds in cement to form solid calcium carbonate minerals.
• The carbon becomes embedded in the concrete matrix rather than simply being trapped temporarily.

Integration level

• Very high: designed as a retrofit to existing ready-mix concrete plants.
• Requires CO₂ supply, injection equipment, and controls integrated with the batching system.

Best fit

• Existing concrete producers wanting a lower-disruption deployment.

---

2. CO₂ curing of precast concrete

Solidia Technologies

How it works

• Uses a modified cement chemistry that reacts with CO₂ during curing.
• Instead of conventional hydration, CO₂ helps form carbonate-based binding phases.
• Can reduce cement-related emissions while storing CO₂.

Integration level

• Strong fit for precast operations: - blocks
• pavers
• panels
• manufactured concrete products

Tradeoff

• Usually requires changes to cement formulation and curing equipment.

---

3. CO₂ mineralized aggregate (larger carbon-storage potential)

Blue Planet Systems

How it works

• Captured CO₂ reacts with calcium-rich materials to create synthetic limestone aggregate.
• That aggregate is then used as a concrete ingredient.

Integration level

• Less of a simple plant retrofit; it changes the aggregate supply chain.
• Potentially much larger CO₂ storage per tonne of material compared with direct injection approaches.

Best fit

• Large-scale low-carbon aggregate production and infrastructure projects.

---

4. Cement plant–integrated capture + mineralization

These systems aim to capture CO₂ directly from cement kiln exhaust and convert it into cement substitutes, aggregates, or concrete additives. Examples include approaches from companies such as Fortera and other mineralization developers.

Integration level

• Highest potential impact because cement production itself is a major emissions source.
• More complex because it involves kiln operations, gas treatment, and new materials processing.

---

Quick comparison

ScienceDirect DOIIf your goal is a deployable technology for an existing concrete plant, I would start with CO₂ injection/mineralization systems. If the goal is maximum tonnes of CO₂ permanently stored per tonne of product, look more closely at mineralized aggregates and cement-plant-integrated systems.

I can also help compare these by CAPEX, TRL/commercial readiness, CO₂ stored per cubic yard of concrete, or suitability for a specific plant size.

Integrating carbon capture directly into concrete production is one of the most promising frontiers in climate tech . Instead of just storing captured carbon underground, these technologies mineralize the CO₂, turning it into a stable, solid calcium carbonate that physically strengthens the concrete while permanently locking the carbon away.

Several pioneering companies offer technologies that integrate at different stages of the manufacturing and mixing process:

• CarbonCure Technologies (Mixing Integration)
  • How it works: Injects recycled, captured gaseous CO₂ directly into fresh concrete during the batching process.
  • The science: The CO₂ instantly reacts with calcium ions to form nano-sized calcium carbonate minerals, which improve the concrete's compressive strength.
  • Integration benefit: Because it boosts strength, concrete producers can safely optimize and reduce the amount of carbon-heavy ordinary Portland cement they use without sacrificing performance. It retrofits easily into existing concrete plants.
• Solidia Technologies (Curing & Cement Integration)
  • How it works: Replaces traditional water-based curing with a CO₂-curing process for precast concrete, and utilizes a modified low-limestone cement formulation.
  • The science: Instead of using water to hydrate and cure, the concrete is cured by reacting with CO₂, permanently mineralizing substantial amounts of carbon into the product.
  • Integration benefit: It slashes kiln emissions during cement manufacturing by lower-temperature firing and cuts overall curing time and water use.
• Blue Planet Systems (Aggregate Integration)
  • How it works: Mineralizes CO₂ (sourced from industrial flue gas or direct air capture) into synthetic limestone aggregate.
  • The science: They turn waste CO₂ into calcium carbonate rock that serves as the coarse and fine aggregate used to make concrete.
  • Integration benefit: Sand and mined rock make up the vast majority of a concrete mix's mass. Replacing mined aggregate with carbon-negative synthetic aggregate turns the concrete into a massive carbon sink.
• Carbicrete (Cement-Free Alternative)
  • How it works: Replaces cement entirely by using steel slag (a byproduct of steelmaking) as the binder.
  • The science: The concrete mix is cured by infusing it with CO₂, which reacts with the slag to harden and strength-test the concrete.
  • Integration benefit: It produces a carbon-negative concrete block because the process sequesters more CO₂ than is emitted during its creation, entirely bypassing traditional cement production.

Are you looking to integrate this technology into an existing ready-mix/precast concrete plant , or are you exploring cement manufacturing/aggregate production ? Let me know and I can share more details on equipment retrofitting or commercial availability.

Yes. If by “integrates directly into concrete production” you mean captured CO₂ is fed into the concrete plant and permanently mineralized as part of the mix, the most mature option I’d investigate first is CarbonCure Technologies.

1. CarbonCure — direct CO₂ injection into fresh concrete

CarbonCure installs equipment at an existing concrete batching plant. Captured CO₂ is metered into fresh concrete during mixing, where it reacts with calcium-containing material and converts into solid calcium carbonate (essentially a mineral form of limestone).

The attractive part is that it can be a drop-in retrofit rather than requiring a completely new concrete manufacturing process. Its control equipment interfaces with the plant's batching system, and the company says installations can be retrofitted into plants in a single visit.

CarbonCure reports approximately 7–11 kg of CO₂ reduction per m³ for its ready-mix technology, with additional potential reductions from lowering cement content because of the mineralization reaction.

2. Blue Planet — turn CO₂ into the aggregate

A different—and potentially more ambitious—approach is Blue Planet Systems. Instead of injecting CO₂ directly into the concrete mixer, Blue Planet mineralizes CO₂ into synthetic limestone aggregate, which then becomes an ingredient in concrete. The company says its aggregate contains about 440 kg of CO₂ per tonne of aggregate.

This is particularly interesting if you're looking for carbon-negative concrete, rather than simply reducing the carbon footprint of conventional concrete. Blue Planet is also developing a commercial facility using CO₂ and waste concrete to manufacture synthetic limestone and upcycled aggregate.

Which one fits your objective?

If you already operate a concrete plant, I'd start with CarbonCure because the technology is specifically designed as a retrofit to the batching process.

If you're designing a new concrete/aggregate operation and want maximum CO₂ sequestration per unit of concrete, Blue Planet is especially worth investigating.

If you tell me what you're trying to build or retrofit—e.g. a ready-mix plant, precast operation, cement plant, or a new carbon-capture/concrete facility—I can narrow this down to specific technologies, estimated CO₂ captured per ton of concrete, equipment requirements, costs, and companies currently commercializing them.

Integrating carbon capture and utilization (CCU) directly into concrete production is one of the most promising areas in clean tech. Instead of just capturing and burying CO₂, these technologies inject or mineralize the carbon inside the concrete mix itself, permanently trapping it while often improving the material's compressive strength.

The leading commercial technologies that integrate directly into the concrete manufacturing and mixing workflow include:

1. CarbonCure Technologies (Fresh Mix Injection)

• How it integrates: It retrofits directly into existing concrete plants (ready-mix, precast, or masonry). A specialized hardware box meters a precise dose of liquefied CO₂ from an on-site storage tank directly into the central mixer or truck hopper during the batching process.
• The chemistry: When the CO₂ is injected into the wet mix, it instantly reacts with calcium ions to form a nano-sized mineral called calcium carbonate (CaCO₃).
• The benefit: The mineralized CO₂ becomes permanently trapped, and this reaction increases the early-stage compressive strength of the concrete. That strength boost allows producers to optimize (reduce) the amount of carbon-heavy ordinary Portland cement they use in the mix without sacrificing quality.
• Explore details and plant integration via the CarbonCure Technologies overview.

2. CarbiCrete (Cement-Free & Carbon-Negative Curing)

• How it integrates: For precast concrete manufacturers, CarbiCrete replaces traditional cement entirely. They use steel slag (a byproduct of the steel-making industry) as the binder instead of Portland cement. After the concrete elements are pressed and formed, they are placed in a curing chamber where CO₂ is gas-injected and cured.
• The chemistry: The CO₂ is mineralized within the slag-based matrix, hardening the concrete.
• The benefit: Because it avoids cement production emissions entirely and permanently sequesters injected CO₂, the resulting precast product (like concrete blocks) is actually carbon-negative.
• Learn more about their precast approach at CarbiCrete.

3. Neustark (Demolition Waste Mineralization)

• How it integrates: Neustark takes a circular approach by capturing biogenic or industrial CO₂, liquefying it, and injecting it into recycled concrete aggregates (the rubble from demolished buildings) during the recycling process.
• The chemistry: The liquid CO₂ transforms into calcium carbonate inside the pores and cracks of the recycled aggregate.
• The benefit: It upgrades low-value recycled rubble into high-grade aggregate that can be used to make new, low-carbon concrete, permanently storing the CO₂ in the process.

Are you looking to integrate this technology into a ready-mix batch plant , a precast/masonry production facility , or are you researching from a project development/investor perspective?

If you are looking for carbon capture technology that integrates directly into concrete production, the most mature approaches are generally CO₂ mineralization technologies (also called carbon capture and utilization, or CCU). Instead of only capturing CO₂ and storing it underground, these systems feed captured CO₂ into concrete mixes, curing chambers, or concrete ingredients where it reacts chemically and becomes a stable carbonate mineral.

Here are the leading options:

ScienceDirect DOI## Most practical “drop-in” solution today

For an existing concrete batching plant, CO₂ injection during mixing is usually the simplest integration pathway. Systems such as CarbonCure add CO₂ dosing equipment and controls to the existing batching workflow rather than requiring a new cement chemistry or kiln process. The injected CO₂ reacts rapidly with cement compounds and forms mineral carbonates that remain locked into the concrete.

Typical benefits:

• Minimal plant modification
• Works with conventional Portland cement concrete
• Can reduce cement demand in some mixes
• Creates a measurable carbon-storage pathway

Higher-impact approaches

If you are designing a new facility or targeting deeper decarbonization:

• CO₂-cured concrete (Solidia-style): Can achieve larger emissions reductions because the curing process itself replaces part of conventional cement hydration.
• Carbon-negative aggregates (Blue Planet-style): Potentially stores much larger amounts of CO₂ because the carbon is embedded in manufactured limestone aggregate rather than only in the cement paste.
• Cement replacement approaches: Technologies that replace Portland cement with industrial byproducts activated through carbonation can address the largest source of cement emissions.

If you are selecting a technology, the key questions are:

1. Are you a ready-mix producer, precast manufacturer, or cement plant?
2. Do you have access to a CO₂ source (ethanol plant, biogas facility, industrial flue gas, direct air capture)?
3. Are you seeking carbon reduction credits, carbon removal credits, or lower-cost concrete?
4. What production scale are you targeting (pilot, single plant retrofit, national deployment)?

For a typical existing concrete producer, I would start by evaluating CO₂ injection mineralization systems. For a new low-carbon cement/concrete facility, I would compare CO₂-cured concrete and carbonated aggregate pathways because they have the potential for deeper reductions.

Integrating carbon capture directly into concrete production is one of the most promising pathways in climate tech. Depending on whether you want to inject CO₂ into ready-mix concrete during batching, replace cement entirely with industrial byproducts, or capture emissions directly at the cement kiln level, several prominent technologies lead the space:

• CarbonCure
  • How it works: It retrofits directly into existing concrete mixing plants. Liquid CO₂ is injected into the fresh concrete mix during the batching process.
  • The science: The injected CO₂ instantly mineralizes into calcium carbonate (CaCO₃), which gets permanently trapped in the concrete.
  • The benefit: It actually improves the compressive strength of the concrete, allowing producers to reduce the amount of carbon-heavy ordinary Portland cement they use without sacrificing performance.
• • How it works: A cement-free concrete solution tailored for precast concrete manufacturers. It replaces traditional cement with steel slag (an industrial byproduct).
  • The science: Once the concrete elements are formed, they are placed in a curing chamber where gaseous CO₂ is introduced and mineralized throughout the solid matrix.
  • The benefit: The process results in carbon-negative concrete because the amount of CO₂ sequestered during curing exceeds the emissions generated during production, and it completely eliminates cement from the mix. [1][2]
• LEILAC (Low Emissions Lime And Cement)
  • How it works: Developed by Calix in collaboration with major cement producers, this technology integrates further upstream at the cement plant itself.
  • The science: It redesigns the calcination kiln by using indirect heating—keeping the combustion gases separate from the limestone breakdown.
  • The benefit: Instead of a diluted mix of exhaust and process gases, it captures a pure stream of raw process CO₂ straight from the limestone at a much lower separation cost.

To help narrow down the best fit, could you tell me:

• Are you looking at ready-mix, precast, or upstream cement manufacturing?
• Are you a producer looking to retrofit a plant or researching for an investment/project?