A process and apparatus for manufacture of oxide products for use as biocide chemical detoxifying and catalytic support products from caustic calcined carbonate powder preferably from magnesite dolomite or hydromagnesite is described. These oxide particles are characterised by high surface area high porosity...

A formulation of a pathogen inhibitor or probiotic as a slurry concentrate of a hydrated metal oxide for applications in agriculture aquaculture and as an anti biotic in which the bioactivity when applied by dilution is controlled by a precursor of Reactive Oxygen Species and the release rate controlled by the parti...

A process for producing a cement binder composition comprising one or more magnesium carbonates having the general formula w MgCO3. x MgO. y Mg(OH)2 . z H2O in which w is a number equal to or greater than 1, at least one of x, y and z is a number greater than 0 and w, x, y and z may be (but need not be) integers is ...

New cement binders characterised by comprising: 30-80% by weight of a first component comprising MgO and at least one magnesium carbonate having the general formula: w MgC0 . x MgO. y Mg(OH) 2. z H20 (A) in which w is a number equal to or greater than 1; at least one of x, y or z is a number greater than 0 and w, ...

A method of manufacture of Portland cement clinker is described in a dry process that captures the carbon dioxide emitted from the calcination of carbonate minerals principally limestone. The process uses an indirectly heated counter flow reactor to pre heat and calcine the cement meal to produce a separate calcin...

A method and system for processing an input fuel gas and steam to produce separate CO2 and output fuel gas streams. The method comprises the steps of using a decarboniser segment for reacting at least a solid sorbent reacts with the fuel gas and steam to remove carbon from the input fuel gas and to produce the outpu...

A system and method for the calcination of minerals. The system comprises a vertically disposed reactor segment configured to impart horizontal forces on particles passing through the reactor segment in a vertical direction; an injector unit for receiving granular feedstock, the injector unit being disposed at a top...

A process for producing a highly calcined and uniformly calcined product from a feedstock. The process comprising the steps of; grinding the feedstock to a powder; preheating the powder; calcining the powder in a reactor plant that comprises a number of reactor segments in which a flash calciner is used in each prog...

A method of manufacture of high solids hydroxide slurries from caustic calcined carbonate powder is described whereby the properties of the slurry are its low resistance to shear thinning to facilitate transport and a high stability for transport and storage and ease of reconstitution after long periods of storage a...

The invention provides a process for manufacturing ceramics and refractories comprising the steps of producing a porous powder comprising nano-grain sized particles wherein the particles have a Young's modulus value that is smaller in value compared to the same crystalline material; compacting and processing the pow...

A method and system for producing nano-active powder materials. The method can be used with a reactor system comprising stages in which input particles flow under gravity progressively through stages of the reactor. A powder injector first stage in which ground input precursor powder is injected into the reactor. An...

A process for producing a cathode or anode material adapted for use in the manufacture of fast rechargeable ion batteries. The process may include the steps of Selecting an precursor material that upon heating in a gas stream releases volatile compounds to create porous materials to generate a material compound suit...

The invention discloses a metal and semi-metal oxide powder that, when applied to an environment, inhibits the growth of colonies of microorganisms, wherein the powder includes particles comprising a particle size distribution between 0.1 to 100 microns, which are formulated as a strongly bonded, porous, composite o...

The invention provides a powder-gas heat exchanger for exchanging heat between a powder stream and a gas stream in counter-current flow comprising a powder stream mass flow rate substantially equal to a gas stream mass flow rate in a vertical shaft heat exchanger. A hot gas stream may be adapted for use in heating a...

A process and apparatus for manufacture of biocide products are described. The biocide properties arise from the caustic calcined powder from carbonates such as such as magnesite and dolomite and from hydroxides such as brucite. The method of manufacture is based on the production of high surface area oxide particle...

The invention provides an externally heated vertical reactor for reduction of iron ore, the reactor comprising: (a) a reactor tube positioned vertically adjacent to a furnace; (b) an external furnace positioned vertically adjacent at least one wall of the reactor tube to provide heat to be conducted through the at l...

A process for processing an electroactive mesoporous material into a cathode, or an anode or a supercapacitor material using one or more of the steps of: (a) modifying the material to remove impurities or substitute materials in the powder by a hydrothermal process; (b) intercalating the material by injecting the ma...

A method for heating a powder material to induce a crystalline phase change in the grains of the particle comprising the steps of: a. preheating the powder from the high temperature streams generated from cooling the phase changed product; b. injecting the powder into a metal tube; c. controlling the gas composition...

A formulation for a coating for applications on maritime infrastructure or vessels to inhibit fouling and corrosion that comprises: (a) a nano-active material; and (b) a polymer binder; and (c) additives which include pigments, booster antifoulants, booster anticorrosion materials, solvents, polymerisation activator...

A system for the calcination of powder materials comprising a plurality of vertical reactor tubes in which a falling powder is heated about a heating zone by radiation from the externally heated walls of the reactor tubes, in which the calcination process of the powder may be a reaction which liberates a gas, or ind...