Lake Kivu contains ˜50 million tonnes (MT) dissolved biomethane. Efficient use is problematic from massive associated CO.sub.2: ˜600 MT. Conventional extraction scrubs CO.sub.2 with ˜50% overall CH.sub.4 loss, and returns ˜80% CO.sub.2 into the deep lake, preserving a catastrophe hazard threatening >2 M people. Methods and systems are disclosed coupling: (1) efficient CH.sub.4+CO.sub.2 degassing; (2) optional oxyfuel power generation and CO.sub.2 power cycle technologies; and (3) CO.sub.2 capture, processing, storage and use in a utilization hub. The invention optimally allows power production with >2× improved efficiency plus cryo-energy storage and large-scale greentech industrialization. CO.sub.2-utilizing products can include: Mg-cements/building materials, algal products/biofuels, urea, bioplastics and recycled materials, plus CO.sub.2 for greenhouse agriculture, CO.sub.2-EOR/CCS, off-grid cooling, fumigants, solvents, carbonation, packaging, ores-, biomass-, and agro-processing, cold pasteurization, frack and geothermal fluids, and inputs to produce methanol, DME, CO, syngas, formic acid, bicarbonate and other greentech chemicals, fuels, fertilizers and carbon products.

The present disclosure is drawn to evaporation panel assemblies, systems, and methods. For example, a modular evaporation panel system can include a plurality of evaporation panels with individual evaporation panels including evaporation shelves that are laterally elongated, vertically stacked, and spaced apart; vertical support columns positioned along the evaporation shelves to vertically support and separate the evaporation shelves; female-receiving openings defined by multiple evaporation shelves and multiple support columns; and male connectors positioned at lateral ends of the evaporation panels. The male connectors can be releasably receivable by the female-receiving openings of an adjacent evaporation panel, thereby providing modular assembly and disassembly of multiple evaporation panels relative to one another.

A method of providing, maintaining and using a youthful added microbe population for the treatment of wastewater. A method of providing green sustainable microbiology net zero carbon solution to waste water and waste material treatment using biofermentation to treat the waste water and waste material with aa treatment containing biofermented microbes.

The present technology relates to present technology relates to materials, methods, processes and systems for clean water production—in particular, to unique hydrogels that can purify and decontaminate water, providing an effective and sustainable way to turn contaminated water into potable water. The present technology also contemplates methods of making such gels, methods of purifying water and providing purified water from contaminated water, and contemplates systems for accomplishing water purification in a rapid, cost-effective and environmentally sustainable way.

A method of remediation of soil and groundwater containing hydrocarbons and halogenated compounds. The method includes introducing a remediation composition into the soil that includes: (a) a first bioremediation material including a first blend of organisms capable of degrading the hydrocarbons; (b) a second bioremediation material including a second blend of organisms differing from the first blend of organisms that is chosen for degrading the halogenated compounds; (c) an organic compound such as a complex carbohydrate (e.g., food grade starch); and (d) a third blend of organisms degrading the organic compound. The degrading of the organic compound breaks the complex carbohydrate into smaller molecules that are utilized by the microorganisms of at least one of the first and second bioremediation materials during the degrading of the hydrocarbons and the halogenated compounds. The first bioremediation composition typically includes activated carbon capable of adsorbing the hydrocarbons and the halogenated compounds.

A disclosed subsea sediment separation and filtration system includes first and second separation devices, a spreader apparatus, and a storage device. The first separation device receives a water/sediment/oil mixture and from a subsea surface and separates the mixture into a first component containing cleaned sediment and a second component containing a water/oil mixture. The spreader apparatus disperses the cleaned sediment of the first component into a subsea environment of the spreader apparatus. The second separation device receives the second component from the first separation device and separates the second component into a cleaned water component and an oil component. The second separation device disperses the cleaned water component into a subsea environment of the second separation device and provides the oil component to the storage device. The first separation device may include a plurality of hydrocyclone devices, and the second separation device may include a high pressure hydrocyclone device.

An article Including a support matrix including a plurality of pores, a metal oxide and a clay, wherein the metal oxide and the clay are disposed on the support matrix or within the plurality of pores of the support matrix, and a method of removing a hydrocarbon fluid and microplastics from an aqueous fluid by immersing the article into the aqueous fluid.

A method of separating water from oil includes combining the oil with a magnetite powder to form a mixture and directing the mixture to a closed chamber having a plurality of magnetic field generating elements. The magnetic field generating elements generate a magnetic field sufficient to separate the magnetite powder and oil from water in the mixture, such that the water sinks to the bottom of the chamber. A valve at a lower end of the chamber can be opened to release the water collected at the bottom of the chamber. The method can be used to enhance the quality of crude oil by lowering the Bs &W content in the crude oil.

An apparatus for removing oil or other pollutants from the surface of water, comprising a platform having a left side wall, a right side wall, a rear wall, a front opening, a floor, and a bottom, one or more ballasts which adjust the platform floor relative to a level of oil on the water surface, wherein the oil flows from the front opening across the floor to the rear wall, a rear location near the rear wall to collect the oil from the platform floor; and a pump connected to the rear location that removes the oil from the rear location to a storage area which does not affect the ballast of the platform. The skimmer vessel can work stationary in the water, and does not require a propeller means, as the oil will continue to flow into the skimmer as the oil is pumped out of the rear by the gravity flow to the rear of the vessel.

Oil-absorbent skimmers of the present invention include an upper oil-absorbent flotation head that floats on water and several absorbent strands attached to the underside of the flotation head. The flotation head has a liquid-permeable cover with absorbent strips inside. The absorbent strips and strands are made of oil-absorbing materials that resist absorption of water. The passive oil-absorbent skimmers may be free-floating and may be used in stormwater catch basins, water holding tanks, vaults, sumps, bilges and the like for capturing hydrocarbons such as oil and oil-based liquids.