摘要:
A device and a method are for sterilization of milk from livestock such as cows, sheep or goats. The milk, prior to an irradiation with UV-C light through a light translucent barrier, is homogenized since the milk is exposed to ultrasound. The milk simultaneously to or after the homogenization is exposed to an electrical field, such as a field with changing polarity, where polarity change and field strength are chosen such that the milk in the electrical field is heated due to the milk's resistance.
摘要:
The present invention relates to a process for fast and homogeneously heating a liquid product to a predetermined temperature by means of resistive heating. Sufficient and effective microbial inactivation is achieved upon applying an electrical field strength of between 0.1-5.0 kV/cm for a prolonged period of time, thus by selecting a relatively low electrical field strength and a pulse duration of at least 10 microseconds while the maximum temperature of the liquid product autonomously remains below 92° C. during the resistive heating. The present invention further relates to said process wherein the liquid product is pre-heated prior to subjecting the liquid product to the process. The present invention also relates to the liquid product obtainable by the process according to the invention.
摘要:
A method and irradiator apparatus used for wort sterilization by radiation for production of ethanol from sugar cane, comprising a modular irradiation drum, radioactive source, ducts for transmission of a fluid through an apparatus for irradiation, and application of radiation to a fluid within an apparatus for sterilization of such fluid.
摘要:
A pasteurization system includes a liquid inlet configured to receive a liquid to be pasteurized. The system also includes a pump coupled to the liquid inlet for pressurizing the liquid. Further, the system includes a counter flow heat exchanger coupled to the liquid inlet and the pump, the counterflow heat exchanger configured to heat the liquid to a predetermined temperature for at least a predetermined time and configured to exchange heat between a flow of liquid in a first direction in a first channel with the flow of liquid in a second direction opposite the first direction in a second channel. A heating section that heats the liquid flow is integrated into the heat exchanger and heats at least a portion of the first channel or the second channel.
摘要:
A device for processing a hydrocarbon resource may include a hydrocarbon processing container configured to receive the hydrocarbon resource therein and having a pair of opposing ends with an enlarged width medial portion therebetween. The device may also include a radio frequency (RF) source, and a first spirally wound electrical conductor surrounding the hydrocarbon processing container and coupled to the RF source. The device may further include a second spirally wound electrical conductor carried within the hydrocarbon processing container. The first spirally wound electrical conductor may be configured to generate magnetic fields with the hydrocarbon processing container that are parallel with an axis thereof.
摘要:
The present invention relates to a method of treating a whey protein by microparticulation. The microparticulation comprises heat treatment and mechanical processing of the whey protein. The method comprises the steps that the protein concentrate is caused to pass a high pressure pump and that the protein concentrate, at elevated pressure, is thereafter heat treated. After the heat treatment, the protein concentrate undergoes a mechanical processing.
摘要:
Process for the sterilization of a liquid or pasty product, according to which the product to be treated is circulated in a tubular exchanger at a speed greater than 5 m/s and in which the temperature rise of the product to be treated is obtained by the circulation of an electrical current through the wall of the tube or tubes of the tubular exchanger.
摘要:
Bacteria-containing liquids are sterilized by a method and apparatus which employs electrical current to kill the bacteria. The liquid is caused to flow as a stream in a conduit, and a controlled amount of the electrical current is passed laterally through the stream along a given length of the stream path downstream of a stream location where the flowing condition of the liquid is sensed to initiate the passage of the electrical current. Thus, electrical current is only passed through the liquid after it has been first determined that its liquid is flowing. Provision is also made in the method and apparatus to filter large particles from the flowing liquid at least before the liquid is subjected to the passage of the electrical current therethrough.