A method of heat recovery from a Natural Gas Liquid (NGL) fractionation plant for generating power and sub-ambient cooling, the method including heating a buffer fluid in a heat exchanger with heat from the NGL fractionation plant, and generating power and sub-ambient cooling via a sub-system having a power turbine with heat from the buffer fluid.

A method of recovering heat from a Natural Gas Liquid (NGL) fractionation plant for production of potable water. The method includes heating a buffer fluid via a heat exchanger in the NGL fractionation plant to transfer heat from the NGL fractionation plant to the buffer fluid. The method includes heating feed water with the buffer fluid discharged from the heat exchanger for production of potable water via a multi-effect-distillation (MED) system. The method may include producing potable water with heat from the buffer fluid in the MED system.

A method of recovering heat from a Natural Gas Liquid (NGL) fractionation plant for production of potable water. The method includes heating a buffer fluid via a heat exchanger in to transfer heat from the NGL fractionation plant to the buffer fluid. The method includes heating water with the buffer fluid discharged from the heat exchanger to produce potable water via train distillation effects.

Provided is a device for cleaning exhaust air from a printing device by means of a heat exchanger. The device is configured to operate the heat exchanger in a standard phase such that an output temperature of the exhaust air exhibits a standard value such that hydrocarbons are condensed out of the exhaust air. The device is also configured to operate the heat exchanger in a regeneration phase such that the output temperature of the exhaust air exhibits a value. The value is reduced relative to the standard value, such that water is condensed out of the exhaust air.

Certain aspects of natural gas liquid fractionation plant waste heat conversion to simultaneous power and cooling capacities using integrated organic-based compressor-ejector-expander triple cycles system can be implemented as a system. The system includes a first waste heat recovery heat exchanger network thermally coupled to multiple heat sources of a Natural Gas Liquid (NGL) fractionation plant. The first heat exchanger network is configured to transfer at least a portion of heat generated at the multiple heat sources to a first buffer fluid flowed through the first heat exchanger network. The system includes an integrated triple cycle system configured to generate cooling capacity to cool one or more heat sources of the plurality of heat sources. The system includes a second waste heat recovery heat exchanger network thermally coupled to the integrated triple cycle system, and configured to vaporize at least a portion of a second buffer fluid flowed through the integrated triple cycle system.

Certain aspects of natural gas liquid fractionation plant waste heat conversion to cooling capacity using Kalina Cycle can be implemented as a system, which includes a waste heat recovery heat exchanger to heat a buffer fluid stream by exchange with a heat source in a natural gas liquid fractionation plant. The system includes a Kalina cycle energy conversion system including one or more first energy conversion heat exchangers to heat a first portion of a working fluid by exchange with the heated buffer fluid stream, a separator to receive the heated working fluid and to output a vapor stream of the working fluid and the liquid stream of the working fluid, and a cooling subsystem including a first cooling element to condense the vapor stream of the working fluid and a second cooling element configured to cool a process fluid stream from the natural gas liquid fractionation plant by exchange with the condensed vapor stream of the working fluid.

An agricultural harvester having a combine and a header is provided. The combine includes a primary hydraulic system for use in operations of the combine. The primary hydraulic system includes primary hydraulic fluid. The header is attachable to the combine and includes a header hydraulic system having a header hydraulic fluid and a heat exchanger operatively connected to the primary hydraulic system and the header hydraulic system.

Certain aspects of natural gas liquid fractionation plant waste heat conversion to simultaneous power, cooling and potable water using modified Goswami Cycle and new modified MED system can be implemented as a system. In an example implementation, the system includes a waste heat recovery heat exchanger network coupled to multiple heat sources of a Natural Gas Liquid (NGL) fractionation plant, the heat exchanger network configured to transfer at least a portion of heat generated at the multiple heat sources to a first buffer fluid and a second buffer fluid flowed through the first heat exchanger network. The system includes a first sub-system configured to generate power and sub-ambient cooling capacity, the first sub-system thermally coupled to the waste heat recovery heat exchanger. The system includes a second sub-system configured to generate potable water from brackish water, the second sub-system thermally coupled to the waste heat recovery heat exchanger.

A thermal liquid container system comprising a main body, a phase change material (PCM) liner disposed within the main body having a PCM disposed therein, a liquid reservoir defined by PCM liner, a liquid dispensing partition disposed within the liquid reservoir such that the liquid reservoir is partitioned into a temperature conditioning channel and a liquid retention chamber, and a lid comprising a liquid ingress and a liquid dispensing opening, the temperature conditioning channel for placing a liquid passing therethrough in thermal contact with the PCM whereby thermal energy is exchanged between the liquid flowing through the temperature conditioning channel and the PCM such that the liquid is dispensed at a temperature that is within a desired temperature range determined by the selected PCM melting temperature.

Certain aspects of natural gas liquid fractionation plant waste heat conversion to power using Kalina Cycle can be implemented as a system. The system includes a waste heat recovery heat exchanger configured to heat a buffer fluid stream by exchange with a heat source in a natural gas liquid fractionation plant. The system includes a Kalina cycle energy conversion system, which includes one or more first energy conversion heat exchangers configured to heat a working fluid by exchange with the heated buffer fluid stream, a separator configured to receive the heated working fluid and to output a vapor stream of the working fluid and the liquid stream of the working fluid, and a turbine and a generator, wherein the turbine and generator are configured to generate power by expansion of the vapor stream of the working fluid.