Abstract:
A method, system and plant for generating energy from a gas are disclosed. An embodiment of the method includes providing a gas flow to a flow channel; production of cations and anions; diffusing of the cations towards a cation-selective electrode and of the anions towards an anion-selective electrode; adsorbing the cations and anions by the electrodes; and transporting of electrons through an electrical circuit to maintain electro-neutrality of the electrodes and generate electrical energy.
Abstract:
The present invention relates to an ultrasonic crystallizer, and a system and method there for. The crystallizer according to the invention comprises: a liquid channel provided with an inlet and an outlet; one or more transducers capable of producing one or more waves to generate an attracting structure between the inlet and the outlet comprising a number of nodes and/or node regions resulting from the interfering waves for attracting and crystallizing particles from a liquid.
Abstract:
The present invention relates to a method for obtaining algal biomass, a system for obtaining algal biomass and a cultivation medium for cultivating algae. The method comprises the step of culturing algae in a culturing medium having a pH above 8 such that lipid accumulation and/or carbohydrate accumulation is increased, wherein the medium is a saline medium. Preferably, the pH of the medium is in the range of 8-11, preferably 8.5-11, more preferably 9-11 and most preferably 10-11.
Abstract:
The invention relates to a purification device and method for purifying a fluid. The purification device comprises: –wave-generating means for generating acoustic and/or electromagnetic waves capable to produce wave interference and/or local enhancement of wave intensity;and –control means for controlling the wave generating means capable to achieve a structure with the generated waves such that the structure behaves as a filter.
Abstract:
The invention relates to a device for upgrading a fluid,and a system and method therefore. The device comprises: -a housing for containing the fluid; -an anode compartment provided with an anode,and a cathode compartment provided with a cathode; and -an upgrading compartment separated from the anode compartment by a first membrane and separated from the cathode compartment by a second membrane.
Abstract:
The invention relates to a membrane, stack of membranes for use in an electro-membrane process and a device and method therefore. The membrane comprises: membrane material; one or more fluid supply channels provided in or on at least one side of the membrane material; one or more fluid outlet channels provided in or on at least one side of the membrane material, wherein the fluid supply channels are connected to the fluid outlet channels through passage ways.
Abstract:
The invention relates to a device and method for performing an electrodialysis or reverse electrodialysis process. The device comprises: - a number of anode compartments provided with an anode placed in an anode fluidium comprising reagents for an oxidation reaction; - a number of cathode compartments, separated from the anode compartments provided with a cathode placed in a cathode fluidium comprising reagents for a reduction reaction,- a number of cation exchange membranes and anion exchange membranes, placed alternately between the cathode and the anode, whereby electrolyte compartments are formed between the cation exchange membranes and the anion exchange membranes; and - a number of intermediate layers placed between two adjacent membranes in at least a part of the electrolyte compartments, wherein each layer is provided with channels and wherein the channels of the intermediate layers are arranged such that a fluid flows through the electrolyte compartments.
Abstract:
The present invention relates to a method and system for supercritical removal of an inorganic compound. The method comprising the steps of: - bringing a fluid comprising one or more inorganic fractions at supercritical conditions; - separating at least one of the fractions in the fluid; - cooling and/or depressurizing the fluid; and, - removing the at least one separated fraction.
Abstract:
The present invention relates to an energy generating system using capacitive electrodes and a method therefore. The system comprises: • - a first electrode compartment (6) provided with at least a first capacitive electrode (4) capable to store ions and conduct electrons; • - a second electrode compartment (22) provided with at least a second capacitive electrode (24); • - a number of electrolyte compartments (8,20) provided between the first and the second electrode compartments, wherein the electrolyte compartments are formed by a number of alternately provided cation (10) and anion (18) exchange membranes, whereby in use the electrolyte compartments are alternately filled with a high and low osmotic flow, such that the first and second electrodes are charged with positively or negatively charged ions; • - a circuit (46) connected to the at least first and second electrodes for collecting the generated energy; and • - switching means (36) for switching between the high and low osmotic flows such that the system switches from a first energy generating state to a second energy generating state with the first and second electrodes switching polarity. • Switching cycle time can be controlled by means of reference eletrodes (48,50) or pH sensors.
Abstract:
A method and system for thermal generation of electricity in direct manner. The invention relates more particularly to the generation of energy from a temperature difference. The method comprises of: • providing a container with an electrolyte at a first temperature; • placing in the container at least one anion-selective electrode and at least one cation-selective electrode with electrical capacitance; • arranging an electrical connection between the electrodes; • charging the electrodes with the resulting voltage difference; and • bringing the electrodes into contact with an electrolyte at a second temperature and discharging the electrodes.