51results about How to "Easy to carbonize" patented technology

To provide a method for catalytically cracking waste plastics wherein the efficiency in decomposition is high; even polyethylene composed of linear chain molecules difficult in decomposition is decomposable at a low temperature and decomposed residue is hardly produced; the process is simple since dechlorination can be achieved at the same time with catalytically cracking waste plastics in one reaction vessel; and oil fractions can be recovered at 50% or more on a net yield basis. The method for catalytically cracking waste plastics of the present invention has a constitution in which waste plastics are loaded as a raw material into a granular FCC catalyst heated to a temperature range from 350° C. to 500° C. inside a reaction vessel, thereby decomposing and gasifying the waste plastics in contact with the FCC catalyst.

The invention discloses a juncus effuses biochar with loose porous structures. The juncus effuses biochar is a porous carbon material prepared by taking juncus effuses as a raw materials via high-temperature pyrolysis (carbonization). A preparation method comprises following steps: juncus effuses is washed, and is subjected to heating pretreatment in an alkaline liquor, is subjected to high temperature high pressure alkali boiling at 130 DEG C, and is subjected to high temperature carbonization under gas protection so as to obtain the juncus effuses biochar. The juncus effuses biochar is large in specific surface area; raw materials are easily available; the preparation method is simple; the juncus effuses biochar possesses excellent capacitive performance and cycling stability when the juncus effuses biochar is taken as an electrode material of supercapacitors; juncus effuses possesses potential in the field of energy; and application value is increased.

A method for using carbonized Enteromorpha to prepare supercapacitor electrode material. The invention belongs to the technical field of preparation of supercapacitor electrode materials in functional materials, and particularly relates to a method for using Enteromorpha as raw material to prepare carbon material through high-temperature pyrolysis (carbonization). The method is characterized by using the technology of preparing active carbon material through biomass carbonization. The method that is adopted is as follows: after performing vacuum freeze drying on Enteromorpha, high temperature carbonization treatment is performed under gas protection, and active carbon material is obtained after washing and drying. The active carbon material prepared by the invention has the advantages that raw material is easy to get, waste materials are utilized, preparation technology is simple, and the specific area is large. When the active carbon material is prepared into a supercapacitor electrode, good electrochemical stability and typical double-electrical-layer capacitance performance are achieved, and recycling value of Enteromorpha and application potential in the field of energy utilization are shown.

The invention discloses a preparation method of glucosamine sulfate and sodium chloride double salt. The preparation method comprises the following steps: adding chitin and dilute sulfuric acid into a reactor, wherein the concentration of the dilute sulfuric acid is 40%-90%, and the mass ratio of the dilute sulfuric acid to the chitin is (3-10):1; performing a fist stage of temperature rise and thermal insulation reaction, wherein the temperature in the fist stage of temperature rise is 40-70 DEG C, and the time in the fist stage of thermal insulation is 2-10 hours; then adding sodium chloride as a reaction stabilizer, wherein the mass ratio of the sodium chloride to the chitin is (0.1-0.5):1; performing a second stage of temperature rise and thermal insulation reaction, wherein the temperature in the second stage of temperature rise is 70-90 DEG C, and the time in the fist stage of thermal insulation is 1-5 hours; after the completion of basic reaction, quickly reducing the temperature of reaction liquid. The preparation method disclosed by the invention is simple in process and low in cost, and facilitates industrial production; an obtained finished product is stable in property, difficult to yellow and moisten, and good in impurity situations; the contents of glucosamine sulphate and sodium chloride conform to the drug requirements; the quality is stable.

The invention discloses a preparation method of a porous carbon bioelectrode. The steps are as follows: adding phloroglucinol and 5-hydroxymethylfurfural into a solution and mixing them evenly; after stirring, adding a catalyst to carry out solution prepolymerization; Put the pre-polymerization solution into a mortar, add dodecane drop by drop, and emulsify at the same time; place the emulsified viscous emulsion at 120-150°C for 20-30h, then extract and wash with ethanol, and put it in an oven Dry, then place at 750°C for 4‑5h, and cool down to room temperature for porous carbon bioelectrodes. The invention uses phloroglucinol and 5-hydroxymethylfurfural as raw materials to prepare a porous carbon bioelectrode, the carbonization process is simple and easy to operate, green and environmentally friendly, and has no corrosion to production equipment.

The invention discloses a method for preparing a high-strength wood-plastic material. The wood powder is passed through a recyclable reagent and stirred and reacted in a heated state to obtain a modified wood powder with certain hydrophobicity (the contact angle can reach 135 degrees); Mix the modified wood flour with high-density polyethylene in proportion, stir well, extrude hot, and beat into splines. The invention obtains a high-strength wood-plastic material through a simple process, which has good mechanical properties, high interface bonding strength, high degradability, high environmental protection, and can be widely used in furniture, industry, construction and other industries.