33results about How to "Shorten saponification time" patented technology

The invention discloses lithium-based lubricating grease and a preparation method thereof. The lithium-based lubricating grease is characterized by being prepared from the following components on the basis of the weight of the lubricating grease: 65-95% of lubricating base oil, 6-20% of lithium-based thickening agent and 0.5-15% of graphene. The lithium-based lubricating grease has excellent properties such as excellent high temperature resistance, water and adhesion resistance, colloidal stability, extreme pressure antiwear property, long lubricating service life, corrosion resistance and salt mist resistance.

The invention discloses composite sodium-based lubricating grease and a preparation method thereof. By the weight of the lubricating grease, the compound sodium-based lubricating grease comprises the following components: 65-95% of lubricating base oil, 5-30% of a composite sodium-based thickener and 0.2-15% of graphene. The composite sodium-based lubricating grease disclosed by the invention has excellent properties such as high temperature resistance, water resistance, adhesivity, colloid stability, extreme pressure antiwear property, long lubricating life, corrosion resistance and salt fog resistance.

The invention provides a collecting agent for separating garnet and ilmenite and a flotation process of the collecting agent. The collecting agent is composed of the following raw materials in parts by weight: 10-15 parts of tall oil, 25-35 parts of oxidized paraffin soap, 40-50 parts of palm oil, 10-15 parts of sodium fatty acid methyl ester sulfonate and 10-15 parts of sodium hydroxide. The collecting agent provided by the invention is used for flotation of garnet and ilmenite; high selectivity and collecting performance are realized; the collecting effect is improved, the collecting dosageis reduced, the stability is good, the flotation speed is high, the grade of garnet is comprehensively improved, the impurity content in a concentrate product is reduced, the operation recovery rate of garnet concentrate is increased by 10-20%, the grade of garnet is increased by 10-20%, and good economic benefits are achieved.

The invention discloses a continuous lutein extract saponifying process, and belongs to the technical field of natural plant extracts. The continuous lutein extract saponifying process comprises the following steps: adding a part of a lutein extract and a part of an alcoholic-alkaline solution into saponifying equipment, heating, mixing, and presaponifying to obtain a saponified lutein extract mixture I; continuously adding the lutein extract and the alcoholic-alkaline solution into the saponified lutein extract mixture I, heating, mixing, continuously feeding and continuously discharging at the same time to achieve rapid continuous saponification of the lutein extract so as to obtain saponified lutein liquid. In a way of continuous feeding, forcible mixing and circulating saponification, the rapid saponification of the lutein extract is achieved, the saponifying time is greatly shortened, the heated loss of the extract is reduced, and the final lutein crystal yield of a product is increased.

The invention provides a graphene composite lubricating grease and a preparation method thereof. Base oil, graphene, a high-molecular acid, calcium hydroxide, a low-molecular acid, and lithium hydroxide are used as raw materials, and after two times of saponification, the lubricating grease is prepared. The base oil and graphene are uniformly fed in two times, and the lubricating grease has advantages of good colloid stability, high dropping point, excellent friction reducing performance and excellent oxidation resistance.