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258654 results about "Raw material" patented technology

A raw material, also known as a feedstock, unprocessed material, or primary commodity, is a basic material that is used to produce goods, finished products, energy, or intermediate materials which are feedstock for future finished products. As feedstock, the term connotes these materials are bottleneck assets and are highly important with regard to producing other products. An example of this is crude oil, which is a raw material and a feedstock used in the production of industrial chemicals, fuels, plastics, and pharmaceutical goods; lumber is a raw material used to produce a variety of products including all types of furniture. The term "raw material" denotes materials in minimally processed or unprocessed in states; e.g., raw latex, crude oil, cotton, coal, raw biomass, iron ore, air, logs, or water i.e. "any product of agriculture, forestry, fishing and any other mineral that is in its natural form or which has undergone the transformation required to prepare it for internationally marketing in substantial volumes."

Instant hydrogen-production power generation system and method

The invention discloses an instant hydrogen-production power generation system and method. The system comprises a hydrogen-production subsystem, a power generation subsystem and a collection and utilization subsystem, wherein the hydrogen-production subsystem, power generation subsystem and collection and utilization subsystem are connected sequentially; the hydrogen-production subsystem uses methanol water to produce hydrogen, and transfers the produced hydrogen to the power generation subsystem in time through a transfer pipeline for power generation; and the collection and utilization subsystem is connected with an exhaust channel outlet of the power generation subsystem, and is used for collecting water from discharged gas or collecting water as the raw material of the hydrogen-production subsystem. The system and method can collect residual gas discharged from the power generation subsystem, and extract hydrogen, oxygen and water from the residual gas; and the hydrogen and oxygen can be combusted to release heat so as to provide heat energy for the power generation subsystem, and the water can be transferred to the hydrogen-production subsystem for cyclic utilization, so that the system does not need any additional water source. The system and method can enhance the power generation efficiency of the system and save the energy source.

Method for producing carbon coated nano stage lithium iron phosphate by precipitation

The invention discloses a precipitation method for preparing nanometer level iron phosphate lithium coated with carbon. The method comprises the following steps: firstly, weighing iron salt, deionized water and a compound of metallic elements; after the stirring and the mixing are performed, adding a phosphorous compound and citric acid diluted with water to the mixture; after the stirring is performed again, adding a precipitation agent to the mixture and controlling to the neutrality; stirring to react in a container, and after the static placement, respectively adding the deionized water, a carbon source and lithium salt to mix uniformly after the precipitate is filtered and washed; stirring again to react, and drying the water at 30 to 160 DEG C and warming up at the heating rate under the protection of non-oxidized gas after a product is crashed; baking at a constant temperature of 450 to 850 DEG C, cooling down to a room temperature at a cooling rate or with a stove, and finally obtaining the nanometer level ferric phosphate lithium coated with the carbon after crashing is performed. The precipitation method has the advantage that the raw material cost and the processing cost are low because bivalent iron is taken as the raw material. The iron phosphate lithium prepared by using the process has the characteristics of good physical processing performance and good electrochemistry performance, and is suitable for industrialized production.

Special biological fish-fertilizer for aquaculture and preparation method thereof

The invention discloses a special biological fish fertilizer and a preparation method for the fertilizer used in aquiculture; wherein, the biological fish fertilizer mainly comprises raw materials as follows: microbiological preparation, inorganic fertilizers, fermentation organics, micro-mineral amino acid chelate, mineral composites, and water quality improver. The preparation method for the special biological fish fertilizer in aquiculture comprises steps as follows: microbiological preparation is produced; fermentation organics is then produced, and the micro-mineral amino acid chelate is produced, eventually the finished products are made. The special biological fish fertilizer has the advantages of limiting the growth and reproduction of the harmful algae, promoting the large-scale growth and reproduction of the suitable food for fish, effectively improving the water quality and purifying the water environment, strengthening the fish immunity, reducing the diseases, reducing cost due to the small use level, convenient use, mild odor, no pollution to the water, and environment protection. By combining the modern bioengineering technique, low-temperature drying technique, spray-drying technique, and super-fine crushing techniques, the preparation method has the advantages of stable quality for the fish fertilizers and lower overall cost.
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