Abstract:
Provided herein are compositions and methods including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Methods for making the compositions and using the compositions are provided.
Abstract:
Non-cementitious CO2 sequestering compositions are provided. The compositions of the invention include a CO2 sequestering additive, e.g., a CO2 sequestering carbonate composition. Additional aspects of the invention include methods of making and using the non-cementitious CO2 sequestering compositions.
Abstract:
Systems and methods for lowering levels of carbon dioxide and other atmospheric pollutants are provided. Economically viable systems and methods capable of removing vast quantities of carbon dioxide and other atmospheric pollutants from gaseous waste streams and sequestering them in storage stable forms are also discussed.
Abstract:
Systems and methods are disclosed for generating a proton removing agent and an acidic solution in a low voltage electrochemical system and utilizing the proton removing agent to sequester carbon dioxide from a waste gas in a carbon dioxide sequestration system and utilizing the acidic solution to catalyze at least one step of a chemical syntheses in combination with a plant based material.
Abstract:
Methods are provided for producing settable compositions, e.g. pastes or clays, that set into calcium phosphate products and include a barium apatite contrast agent. In the subject methods, dry reactants and a setting fluid are combined with a barium apatite contrast agent, and the combined reactants are mixed to produce the settable composition. Also provided are the compositions themselves as well as kits for preparing the same. The subject methods and compositions produced thereby find use in a variety of applications, including hard tissue repair applications, such as vertebroplasty applications.
Abstract:
Multilumen fluid delivery systems, as well as methods for their use, are provided. The subject multilumen fluid delivery systems include a multilumen aspiration catheter over a guidewire, which in many embodiments is a hollow guidewire. Also provided are kits comprising various components of the subject systems. The subject multilumen fluid delivery systems and kits find use in a variety of different applications in which it is desired to flush a vascular site with at least one and preferably two different fluids, where particular applications of interest include the treatment of vascular lesions, and particularly coronary vascular lesions.
Abstract:
Methods of employing bone defect filling, e.g., orthopedic cements, such as calcium phosphate or polymeric cements and the like, are provided. A feature of the subject methods is that vibration is employed in conjunction with the use of the cement, e.g., in preparation of the cement, in preparation of the target site, in delivery of the cement to the target site, and/or following delivery of the cement to the target site. Also provided are devices, systems and kits that find use in practicing the subject methods. The subject methods, devices and systems find use in a variety of different applications.
Abstract:
Provided herein are cementitious compositions including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Such compositions may be made from carbonate brines. Methods and systems for making the compositions and using the compositions are also provided.
Abstract:
Aspects of the invention include methods of contacting carbon dioxide with an aqueous mixture. In practicing methods according to certain embodiments, a subterranean brine is contacted with carbon dioxide to produce a reaction product, which may or may not be further processed as desired. Also provided are methods in which a brine or minerals are contacted with an aqueous composition. Aspects of the invention further include compositions produced by methods of the invention as well as systems for practicing methods of the invention.
Abstract:
In some embodiments, the invention provides, a method comprising a) contacting a solution with an industrial source of carbon dioxide to produce a CO 2 -charged solution; b) subjecting the CO 2 -charged solution to conditions sufficient to produce a composition, wherein the composition comprises carbonates, bicarbonates, or carbonates and bicarbonates; c) separating a supernatant from the composition; and d) recirculating at least a portion of the supernatant for contact with the industrial source of carbon dioxide. In some embodiments, the invention provides a system comprising a) a processor configured to produce a composition from an industrial source of carbon dioxide, wherein the composition comprises precipitation material comprising carbonates, bicarbonates, or carbonates and bicarbonates and a treatment system configured to separate a supernatant from the composition, wherein the processor and the treatment system are operably connected for recirculation of at least a portion of the supernatant.