A method of generating oxygen and at least one of hydrogen or ammonia includes receiving ambient air containing moisture, collecting liquid water from the ambient air, receiving, by a water electrolyzer, the collected liquid water and electricity from an electrical source, and performing an electrolysis process by the water electrolyzer to thereby generate the oxygen and the at least one of hydrogen or ammonia from the received liquid water and electricity.

The process of producing concentrated maple sap can include concentrating the maple sap using membrane filtration to a sugar content of approximately 30° Brix, circulating the maple through a maple sap passage of a membrane, wherein the membrane contains the maple sap in a vacuum cavity, and evaporating the water from the maple sap across the membrane into the cavity. The concentrated maple sap having a sugar content above 50° Brix.

The present disclosure provides systems for carbon capture in combination with production of one or more industrially useful materials. The disclosure also provides methods for carrying out carbon capture in combination with an industrial process. In particular, carbon capture can include carrying out calcination in a reactor, separation of carbon dioxide rich flue gases from industrially useful products, and capture of at least a portion of the carbon dioxide for sequestration of other use, such as enhanced oil recovery.

The disclosure discloses an energy-saving system for purifying and recycling oxygen from high-temperature oxygen-enriched flue gas, including a water washing mechanism for introducing high-temperature oxygen-enriched flue gas, a compressor set connected with the water washing system through a pipeline, a compressor outlet heat exchanger connected with the compressor set through a pipeline, a gas-liquid separation tank connected with the compressor outlet heat exchanger through a pipeline, a temperature swing adsorption isobaric drying mechanism and a pressure swing adsorption purification mechanism connected with the gas-liquid separation tank through pipelines, a dedusting and filtering mechanism for introducing gas treated by the temperature swing adsorption isobaric drying mechanism and the pressure swing adsorption purification mechanism, and a cooling mechanism for cooling the water washing mechanism and the compressor outlet heat exchanger.

A system for resource recycling of sulfur dioxide includes a charcoal reduction furnace, a high temperature dust remover, a cooling separator A, a liquid sulfur tank, a cooling separator, a tail gas absorption tower, a gas stripping tower, a hypo reactor, a centrifuge, a mother liquor tank and a thickener. And a method for resource recycling of sulfur dioxide includes the following steps: (1) preparing elemental sulfur, (2) removing dust from a process gas containing gaseous sulfur, (3) separating elemental sulfur, (4) reabsorbing residual SO.sub.2 gas, (5) purifying sulfur powder, (6) preparing a slurry of cured hypo, (7) performing liquid-solid separation, and (8) preparing an absorption slurry. According to the method, SO.sub.2 gas is reduced into liquid sulfur and sulfur powder, and sodium thiosulfate is coproduced.

A system for preparing nanoscale zero-valent iron by reverse filtration in a non-open inert atmosphere is provided including an inert gas bottle, a gas monitoring and buffering device, a main reaction device configured as a three-necked flask, a condensing device including a condenser tube and a cold source, a waste liquid collecting device configured as a waste liquid collecting bottle, a liquid sealing device including a second liquid sealing bottle connected with the waste liquid collecting bottle through a first connecting-pipe, and an extraction pressure adjusting device including a third triple valve and a vacuum pump, all of which are connected by pipelines in sequence. Three necks of the three-necked flask are respectively provided with a first triple valve, a single-hole rubber plug pierced with a liquid-taking pipe, and a second triple valve. The second liquid sealing bottle is connected with the third triple valve.

A methane destruction apparatus for capturing and converting fugitive methane gas emissions into carbon dioxide and water comprises a methane-capturing module for capturing the fugitive methane gas emissions and a methane conversion module for receiving captured methane from the methane-capturing module. The methane-capturing module includes a fugitive methane gas emission intake connected to an emissions line having a backpressure equal to 1 to 3 inches of water (249 to 746 Pa), a natural gas feed for feeding natural gas into the methane-capturing module, may include a relief vent for preventing overpressure within the methane-capturing module and a drain for draining liquids that have condensed within the methane-capturing module. The methane conversion module includes a conversion pad for catalytically converting the captured methane into carbon dioxide and water, a water vapour opening for outputting the water and a carbon dioxide opening for outputting the carbon dioxide.

This disclosure is directed to a system for generating liquid water from a gaseous ambient environment containing water vapor. The system includes a mobile trailer and a liquid water generator provided on the mobile trailer. The liquid water generator is configured to generate liquid water by condensing the water vapor from the gaseous ambient environment. An energy source provided on the mobile trailer that is self-contained and is configured to collect and store energy sufficient to power the liquid water generator.

A method and a device for the purification of gases from the degassing of polymer melts—in particular, for the continuous further processing to form stretched polymer films. In this case, the gas to be purified is fed from a vacuum zone of a plasticizing unit, via at least one vacuum or degassing line, to a vacuum separator with a gas inlet and a gas outlet in which condensible, separable by freezing, and/or re-sublimable substances are separated from the supplied and purified gas by means of a cooling arrangement, and the separated substances are removed from the vacuum separator. By means of a heating arrangement, the substances separated by means of the cooling arrangement are at least partially liquefied or softened in the vacuum separator and removed from the vacuum separator in particular by suction.

An on-line measurement system for aerosol precursors emitted from industrial sources has three parts: online measurement part, pipeline cleaning part and automatic control part. The system includes: a particulate filter, high temperature intake pipe, two detergent tanks, an air pump, a cooling water pump, two detergent pumps, a condenser, an impinger, a cooling water meter, a salinity meter, a liquid flow meter, a gas flow meter, nitrogen cylinders, connecting pipes, control valves, computer control program etc. The aerosol precursor concentration Cg emitted from industrial sources is measured in the online measurement section. After every measurement, the pipeline is cleaned by the pipeline cleaning part to remove organic and inorganic residual. The automatic control part is controlled by the computer through a controlling program to control the working process of the system. The system has small area occupation, low investment cost, simple maintenance, convenient transformation and high applicability.