Disclosed is a shell-and-tube heat exchanger type with a tube bundle and has a redistribution chamber connected to tubes of the tube bundle and to a duct. The duct extends between the redistribution chamber and the shell.

An apparatus coupled to an air-circulating device for reducing temperature of a surrounding is disclosed. The apparatus comprises a tray and upstanding sidewalls coupled to the tray. The upstanding sidewalls are covered with moss or any other suitable absorbent material. The apparatus comprises a pump provided at the bottom of the tray. Further, the apparatus comprises a hose in which one end of the hose is coupled to the pump. The apparatus comprises a canvas or any other suitable flexible material provided on the upstanding sidewalls and a lid provided at the top of the upstanding sidewalls and coupled to the canvas or any other suitable flexible material. The apparatus is placed behind the air-circulating device, wherein water stored in the tray is pumped using the pump through the hose and the water is made to fall onto the upstanding sidewalls. The air-circulating device draws air and moisture/water from the apparatus and directs the air current in a desired direction.

The invention relates to a cleaning device for separating an organic isocyanate produced by the reaction of an organic amine with a stoichiometric excess of phosgene in the gas phase from the gaseous raw product obtained in the reaction, said device comprising a first separating body comprising at least one raw product supply line for a gaseous raw product flow containing at least the isocyanate, hydrogen chloride and non-reacted phosgene, a first liquid supply line for a liquid flow containing at least one quench liquid, and a first liquid discharge line for a liquid flow containing at least part of the quench liquid and part of the isocyanate, a first gas line for transporting a gas flow containing at least hydrogen chloride, evaporated quench liquid and phosgene leading away from the first separating body. The invention is characterized in that at least one addition body for directly introducing at least one cooling fluid for an at least partial condensation and/or absorption of the gas flow that can be guided via the first gas line is associated with the first gas line.

Described are a high pressure carbamate condenser, urea plant, and urea production process. The high pressure carbamate condenser as described is of the shell-and-tube heat exchanger type with a tube bundle and has a redistribution chamber connected to tubes of the tube bundle and to a duct. The duct extends between the redistribution chamber and the shell.

A hybrid system for freshwater production utilizing the latent heat of condensation of atmospheric air humidity as a source of thermal energy to evaporate freshwater in a brine or saline and delivered to the saline evaporating chamber by a heat pump. Distillates form on both sides of the heat transfer, and intensification of humidity condensation in the air leads to the intensification of saline evaporation contributing to the overall increased yield of freshwater. The process is optimized by integrated systems in which the waste heat of inside and outside sources and the heat sink effect of the saline feed amplify the COP and SEER indexes of the installation. The technological regimes in which the equipment is used are intensified and optimized, cutting the desalination costs to the ranges affordable to the general population residing in arid regions in need of such technology.

A method for obtaining water from ambient air, wherein the method contains at least the following method steps: contacting the ambient air with at least one liquid absorbent for absorbing at least a part of the water contained in the ambient air; conveying an absorbent diluted by the absorbed water to a first heat exchanger; transferring the diluted absorbent into at least one desorption device. Therein, water desorbed in the desorption device is conveyed to the first heat exchanger, wherein cooling of the desorbed water is effected by means of the diluted absorbent by means of the first heat exchanger. Furthermore, disclosed is a device for obtaining water from ambient air.

The present invention consists of a method for producing heat transfer between two or more media and a device or system for carry out said method, usable for air conditioning a space, or any use that requires heat transfer between two or more media, and may be liable to be used for domestic, commercial or industrial use.

Described are a high pressure carbamate condenser, urea plant, and urea production process. The high pressure carbamate condenser as described is of the shell-and-tube heat exchanger type with a tube bundle and has a redistribution chamber connected to tubes of the tube bundle and to a duct. The duct extends between the redistribution chamber and the shell.

A system is described that includes a pyrolyzer and a primary condenser. The primary condenser is coupled to the pyrolyzer and configured to receive pyrolytic vapors from the pyrolyzer. The primary condenser is further configured to condense the pyrolytic vapors by contacting the pyrolytic vapors with a condensing liquid, to form a bio-oil component mixture having multiple separated phases. At least a portion of the condensing liquid includes a component that is extracted as a separated stable phase from a second bio-oil component mixture resulting from a prior pyrolysis cycle.

A high efficiency distillation head and methods of use has a distillation head that may be used for efficient fractional distillation of high boiling point compounds, and includes a lower insulated jacket surrounding a fractionating column and an upper insulated jacket surrounding a condenser. An exit path of equal or greater cross sectional area to the fractionating column is located at or below the top of the fractionating column.