A method for thermal separation of a substance flowing into a treatment chamber by use of a separation apparatus includes a vessel and a heating device. The vessel has a vessel wall with an inner surface enclosing a treatment chamber of a length l.sub.c, a height H and a width W. The vessel includes at least one substance inlet and at least one first outlet and at least one second outlet for non-evaporable and evaporable parts, respectively. The heating device is arranged outside the treatment chamber and a rotary mechanism includes a rotatable axle arranged within the treatment chamber directed along the treatment chamber's length h and a mixing device of radial diameter d.sub.md and axial length I.sub.md fixed to the rotatable axle and extending perpendicular to the rotatable axle. The method includes: A. heating the inner surface (la) by use of the heating device to transfer thermal energy to a minimum peripheral volume (V.sub.p) of the treatment chamber confined between the mixing device and the inner surface (la), B. rotating the rotary mechanism by use of a rotary drive operably fixed to the rotatable axle to a peripheral rotation velocity (v.sub.p) measured at a radial outer boundary of the mixing device's which exceeds a minimum peripheral rotation velocity (v.sub.p,mm) of 5 meters per second, C. feeding the substance into the treatment chamber through the at least one substance inlet using a feeding device, wherein the substance includes two or more components, where at least one of the components is evaporable at an evaporation temperature (T.sub.e), and D. adjusting at least one of an input power of the heating device, the flow of the substance fed into at least one of the at least one substance inlet, an input power of the rotary drive and an output flow of a non-evaporated part of the substance released from the at least one first outlet, such that a total thermal energy transferred into at least part of the minimum peripheral volume (V.sub.p) results in an operational temperature (T.sub.op) that exceeds the evaporation temperature (T.sub.e) during operation, and wherein the amount of thermal energy transferred into the part of the minimum peripheral volume (V.sub.p) by the heating device constitutes more than 60% of the total thermal energy transferred.

A method for thermal separation of a substance flowing into a treatment chamber by use of a separation apparatus includes a vessel and a heating device. The vessel has a vessel wall with an inner surface enclosing a treatment chamber of a length l.sub.c, a height H and a width W. The vessel includes at least one substance inlet and at least one first outlet and at least one second outlet for non-evaporable and evaporable parts, respectively. The heating device is arranged outside the treatment chamber and a rotary mechanism includes a rotatable axle arranged within the treatment chamber directed along the treatment chamber's length h and a mixing device of radial diameter d.sub.md and axial length I.sub.md fixed to the rotatable axle and extending perpendicular to the rotatable axle. The method includes: A. heating the inner surface (la) by use of the heating device to transfer thermal energy to a minimum peripheral volume (V.sub.p) of the treatment chamber confined between the mixing device and the inner surface (la), B. rotating the rotary mechanism by use of a rotary drive operably fixed to the rotatable axle to a peripheral rotation velocity (v.sub.p) measured at a radial outer boundary of the mixing device's which exceeds a minimum peripheral rotation velocity (v.sub.p,mm) of 5 meters per second, C. feeding the substance into the treatment chamber through the at least one substance inlet using a feeding device, wherein the substance includes two or more components, where at least one of the components is evaporable at an evaporation temperature (T.sub.e), and D. adjusting at least one of an input power of the heating device, the flow of the substance fed into at least one of the at least one substance inlet, an input power of the rotary drive and an output flow of a non-evaporated part of the substance released from the at least one first outlet, such that a total thermal energy transferred into at least part of the minimum peripheral volume (V.sub.p) results in an operational temperature (T.sub.op) that exceeds the evaporation temperature (T.sub.e) during operation, and wherein the amount of thermal energy transferred into the part of the minimum peripheral volume (V.sub.p) by the heating device constitutes more than 60% of the total thermal energy transferred.

A method for preparing direct melt-spun high-viscosity PBAT/low-viscosity PET two-component elastic fiber and a high-viscosity PBAT polymerization reactor. This method uses two production lines respectively used to produce a high-viscosity PBT melt and a low-viscosity PET melt, which are then spun. The high-viscosity PBAT production line comprises a first esterification reactor, a second esterification reactor, a first prepolymerization reactor, a second prepolymerization reactor, and a high-viscosity PBAT polymerization reactor. The polymerization reactor is designed with a special disc structure in a parallel two-shaft disc reactor, and the two shafts are rotated in opposite directions, improving the devolatilization effect and self-cleaning, significantly increasing the viscosity. By using this method, the cost is low and the production capacity is high, the process flow is shortened, the fiber strength can reach 2.552.85 cN/dtex, the crimp shrinkage rate can reach 25%60%, and the crimp stability can reach 58%70%.

A method for continuous thermal separation of a substance being fed into a treatment chamber is performed within a vessel. Besides the vessel, the apparatus includes a heating device with an external heat source and a rotary mechanism with an external rotary drive. The heating device and the rotary drive are mutually operated such that a resulting operational temperature T.sub.op is obtained within a volume V.sub.p near an inner surface of the vessel which is equal or higher than an evaporation temperature T.sub.c of at least one liquid constituting part of the substance.

A method for continuous thermal separation of a substance being fed into a treatment chamber is performed within a vessel. Besides the vessel, the apparatus includes a heating device with an external heat source and a rotary mechanism with an external rotary drive. The heating device and the rotary drive are mutually operated such that a resulting operational temperature T.sub.op is obtained within a volume V.sub.p near an inner surface of the vessel which is equal or higher than an evaporation temperature T.sub.c of at least one liquid constituting part of the substance.

An apparatus is especially suitable for high volume manufacture of a non-dairy frozen dessert. Pre-frozen blocks of ingredient mixture are masticated in a first stage of the apparatus and aerated in a second stage of the apparatus. Compressed air is injected into a masticated slurry produced by the first stage and mixed into the slurry in the second stage. A continuous process transforms the pre-frozen blocks into a masticated, aerated slurry suitable for immediate consumption, storage for later consumption, or processing into bars or other forms. This apparatus and process is suitable for some ingredient mixtures for which a scrape surface heat exchanger apparatus and process are not suitable.

An apparatus is especially suitable for high volume manufacture of a non-dairy frozen dessert. Pre-frozen blocks of ingredient mixture are masticated in a first stage of the apparatus and aerated in a second stage of the apparatus. Compressed air is injected into a masticated slurry produced by the first stage and mixed into the slurry in the second stage. A continuous process transforms the pre-frozen blocks into a masticated, aerated slurry suitable for immediate consumption, storage for later consumption, or processing into bars or other forms. This apparatus and process is suitable for some ingredient mixtures for which a scrape surface heat exchanger apparatus and process are not suitable.