A composite plastering material and a method of making the same are provided. The composite plastering material includes a mixture of sand-silica and Abelmoschus esculentus powder. The composite plastering material has increased compressive strength depending upon the concentration of Abelmoschus esculentus powder used. The method of making the composite plastering material includes sieving the sand-silica to produce sand-silica of a uniform particle size, mixing powdered Abelmoschus esculentus powder with the sand-silica to produce a first mixture, and mixing water with the first mixture to produce the composite plastering material. Optionally, the method may also include milling the sand-silica prior to sieving and combining the sand-silica with the Abelmoschus esculentus powder. The composite plastering material may then be plaster cast, such as by pressing the composite plastering material in a hot press and drying the resulting composite material in an oven.

The present invention is a ceramic sol-gel coating system. A sol-gel solution is applied to a tilled roadbed. The roadbed is formed, then a cross-linker is applied. The roadbed is then rolled. The sol-gel solution and cross-linker react to form a ceramic sol-gel coating around the road aggregate. The coating reacts with carbon dioxide in the air to form calcium carbonate rock, capturing the carbon dioxide directly from the air.

Provided herein, inter alia, are compositions of cementitious products using recycled materials including desalinated waste products and seawater, the methods of preparing, and uses thereof.

A manufacturing process of a concrete product includes: (1) extracting calcium from solids as portlandite; (2) forming a cementitious slurry including the portlandite; (3) shaping the cementitious slurry into a structural component; and (4) exposing the structural component to carbon dioxide sourced from a flue gas stream, thereby forming the concrete product.

Disclosed are a reusable freely-shapable eco-friendly recycled brick manufacturing process and its product. The manufacturing process includes the steps of: (S1): preparing a raw material of a calcium silicate board; (S2): preparing a raw material of a gypsum board, mixing it with the raw material of the calcium silicate board obtained in (S1) and crushing them into fine powder; (S3): preparing a raw cement and mix it with the fine powder obtained in (S2); (S4): preparing raw water and mix it with the mixture obtained in (S3); (S5): preparing an enhancer and mix it with the mixture obtained in (S4), wherein the enhancer includes little surfactant and adhesive; (S): uniformly mix the raw materials prepared according to the eco-friendly recycled brick manufacturing process and their proportion, and pouring them into at least one mold; and (S7): forming the eco-friendly recycled brick product.

The present invention is directed to a gypsum panel and a method of making such gypsum panel. For instance, in one embodiment, the gypsum panel comprises a gypsum core and a first facing material and a second facing material sandwiching the gypsum core, wherein the gypsum core includes gypsum and one or more carbon sequestration additives. The methods of the present invention are directed to making the aforementioned gypsum panels by providing the first facing material, providing a gypsum slurry comprising gypsum, water, and one or more carbon sequestration additives onto the first facing material, and providing a second facing material on the gypsum slurry.

The present invention discloses a method of preparing an alkali activation material by using red mud-based wet grinding and carbon sequestration and an application thereof. The preparation method includes: (1) adding water, red mud, a crystalline control agent, and a grinding aid into a wet grinding carbon sequestration apparatus to perform wet grinding, and simultaneously introducing CO.sub.2 until a slurry pH reaches 7 to 7.5; and removing wet grinding balls by a sieve to obtain a slurry A; (2) adding carbide slag, water and a water reducer to a wet planetary ball grinder tank for wet grinding, and removing wet grinding balls by a sieve to obtain a slurry B; (3) taking 50 to 80 parts of the slurry A and 20 to 50 parts of the slurry B and mixing them to obtain an alkali activation material.

The invention provides compositions and methods directed to carbonation of a cement mix during mixing. The carbonation may be in a stationary mixer or a transportable mixer, such as a drum of a ready-mix truck.

The present disclosure provides a method for manufacturing of paver block and bricks. The method includes addition of cementitious materials. In addition, the method includes addition of conventional aggregates. Further, the method includes addition of additives. Furthermore, the method includes addition of binding materials. Moreover, the method includes homogenization of the added materials to obtain a first mixture. Also, the method includes addition of a hardener solution to the first mixture. Also, the method includes mixing the first mixture with the hardener solution for 5 minute to 30 minute to obtain a second mixture. Also, the method includes casting the second mixture into a mould to obtain a solidified part. Also, the method includes curing the solidified part in atmospheric air.

A method of curing a low Ca/Mg cement composition is described that includes providing a predetermined quantity of the low Ca/Mg cement composition in uncured form; and reacting the uncured low Ca/Mg cement composition with a reagent chemical for a time sufficient to cure said cementitious material, wherein said reagent chemical is a compound synthesized from CO.sub.2 and comprises dicarboxylic acids, tricarboxylic acids, or alpha-hydroxycarboxylic acids.