113results about "Reflux condensation" patented technology

Vapor flow-diverting devices that re-direct upwardly flowing vapor, for example, in a downward direction across condenser tubes disposed in the upper or top section of a vapor-liquid contacting apparatus, are described. These devices are particularly beneficial in tubular condensers within distillation columns and may be used in combination with other associated equipment (e.g., a deflector plate and divider plate) as well as in combination with the tube surface enhancements to improve the heat transfer coefficient.

This invention relates to a simple, convenient, portable mini-distillation apparatus for the production of essential oils and hydrosols, said apparatus is useful to distill essential oils and hydrosols such as rose water, ajowain water from fresh and dried plant material like leaves, flowers, roots and rhizomes by water distillation, water and steam distillations and as an optional, steam distillation can also be perform at atmospheric pressure as well as slightly higher and lower than atmospheric pressure, said apparatus can be heated on brick-clay furnace with small agro-waste, LPG cooking gas, electrically heated stove or kerosene / diesel burner etc. and requires minimum attention during handling; since the apparatus is made of stainless steel and glass, the essential oil distilled is of better quality.

Provided is a fully automatic vaporizing separator for liquid media which is capable of coping with size increase. The vaporizing separator, which is for separating a liquid medium and a liquid mixture, comprises: a vaporizing means in which either of a liquid medium and a liquid mixture comprising the liquid medium and a nonvolatile substance is stored to thereby form a liquid surface and which vaporizes the liquid medium to give a vaporized medium; a separation means which cools a gas discharged from the vaporizing means and the vaporized medium to condense the vaporized medium and thereby convert it into a condensed medium and which thus separates the condensed medium from the gas. The vaporizing separator for a liquid medium and the liquid mixture includes: a pressure-measuring means which measures the pressure of the gas; a pressure-difference determination means which determines the difference between the pressure in a given position in the vaporizing means and the pressure of the gas; and a calculation means which calculates the position of the surface of the liquid relative to that given position from the pressure of the gas and the pressure difference.

The invention discloses an alkylation product separation method. According to the method, a liquid-phase alkylation product is pressurized by an optional booster pump; the pressurized liquid-phase alkylation product is introduced into a first heat exchanger, and is subjected to heat exchange with a gas-phase material from a high-pressure fractionating tower; the heat exchanged material is furtherheated to 100-180 DEG C in a second heat exchanger; the heated material enters the high-pressure fractionating tower, and is fractionated under a condition of 2.0-6.0 MPa; the gas-phase material at the top of the high-pressure fractionating tower is subjected to heat exchange with the liquid-phase alkylation product; the liquid-phase material at the bottom of the high-pressure fractionating towerenters a low-pressure fractionating tower and is fractionated under a condition of 0.2-1.0 MPa; low-carbon alkane is obtained at the top of the low-pressure fractionating tower, and an alkylation oilproduct is obtained at the bottom of the low-pressure fractionating tower; and the low-pressure fractionating tower is provided with an intermediate reboiler, and the gas-phase material at the top ofthe high-pressure fractionating tower after heat exchange of the first heat exchanger is used as a heat source of the intermediate reboiler. The method provided by the invention can improve the heat utilization efficiency and reduce the separation operation energy consumption in the alkylation process.

Improvements in biological conversion processes and associated apparatuses are disclosed for the generation of useful end products such as ethanol, through metabolic pathways of C1-fixing bacteria that utilize, as a nutrient, a C1-carbon source from a C1-containing substrate such as an industrial waste gas. Particular aspects of the disclosure relate to the downstream recovery of ethanol and / or isopropanol from bleed and permeate streams and more particularly to performing such recovery with improved efficiency that can advantageously reduce capital (e.g., equipment) and / or operating (e.g., utility) costs. Particular aspects related to the downstream recovery of ethanol and / or isopropanol using a low pressure separator having an internal divider.