An apparatus for refining a liquid stream using 180 degree redirection and inclined plates. The apparatus includes a first flow chamber, a second flow chamber, and a separation chamber. The first flow chamber directs the liquid stream downwards in a first direction at a first velocity, the second flow chamber directs the liquid carrier upwards in a second direction opposite the first direction, and the separation chamber is disposed between the first flow chamber and the second flow chamber. The separation chamber includes a redirection portion that has inclined plates across which the liquid carrier flows and, as the liquid slows from a first velocity to a second velocity, the solid particles fall out of the liquid carrier and collect in the collection portion of the separation chamber.

A system and process for recycling machining waste into a solid/scrap material component and a recyclable machining coolant. The system and process comprise collecting the waste machining waste and mechanically separating the machining waste into a solid/scrap material component and a machining waste liquid component. The machining waste liquid component is decanted to separate oils and solids from the recyclable machining coolant. The machine recyclable machining coolant is then filtered through at least a first filter and preferably a second, finer mesh filter. The recyclable machining coolant is then exposed to UV light to kill bacteria and microorganisms. Lastly, ultrapure water is added to dilute the recyclable machining coolant and form the recycled machining coolant. If desired, a virgin machining coolant can be added to the recycled machining coolant, to replenish any additive(s) stripped during the recycling process, prior to resale of the recycled machining coolant.

A neutralization/water separation tank for an esterified product including: a neutralization part in which a crude product mixture containing alcohol and an ester compound, a neutralizing agent, and water are put to produce a neutralized mixture; a water separation part which divides the neutralized mixture into a floating layer and an aqueous layer; a first partition wall which extends upward from a bottom surface to provide an upper passage and by which the neutralization part and the water separation part are partitioned; and a second partition wall which extends downward from a ceiling to provide a lower passage, wherein the water separation part includes: a first water separation part into which the neutralized mixture is introduced from the neutralization part through the upper passage; and a second water separation part into which the neutralized mixture is introduced from the first water separation part through the lower passage, wherein the first water separation part and the second water separation part are partitioned by the second partition wall.

A neutralization/water separation device for an esterified product including: a neutralization tank in which a crude product mixture containing alcohol and an ester compound, a neutralizing agent, and water are put to produce a neutralized mixture; a water separation tank disposed below the neutralization tank to divide the neutralization mixture into a floating layer and an aqueous layer; a partition wall extending downward from a ceiling of the water separation tank to provide a lower passage in the water separation tank; and a transfer line that transfers the neutralized mixture from the neutralization tank to the water separation tank, where the water separation tank includes: a first water separation part into which the neutralized mixture is introduced from the neutralization tank through the transfer line; and a second water separation part into which the neutralized mixture is introduced from the first water separation part through the lower passage, where the first water separation part and the second water separation part are partitioned by the partition wall.

Systems and methods for employment in a Zero Waste (ZW) treatment system are disclosed. The ZW treatment system includes a ZW process employing the following individual processes: a separation and extraction process, a blend-heat process, a hydrolysis and acidification process, first-in, first-out (FIFO) anaerobic digestion process, an aerobic boost-blend process, and smart delivery process. A separation and extraction system, a blend-heat system, hydrolysis and acidification system, and a FIFO system performing the ZW treatment process may include a variety of tanks, where each tank may be placed in an enclosure comprising a modular container which, in turn, comprises a modular container system designed for mobility and transportable to remote sites as part of the smart delivery process.

A method of treating oil and gas produced water may include: receiving produced water from one or more wells; separating an aqueous portion of the produced water from oil and solids included in the produced water in order to provide recovered water; performing anaerobic bio-digestion of organic matter included in the produced water using a biomass mixture of anaerobic bacteria obtained from a plurality of wells; aerating the recovered water in order to promote metal precipitation; and performing aerobic bio-digestion of organic matter present in the recovered water. Some embodiments may also include one or more of anoxic equalization, filtration, pasteurization, reverse osmosis, and biocide treatment of the recovered water. The recovered water may be used for oil and gas well fracking and/or land and stream application. Other methods of treating oil and gas produced water are also described.

A method for processing a 3D scene, and corresponding device, system and computer program are disclosed. In an example embodiment, the disclosed method includes: obtaining an image comprising at least a nadir view of a 3D scene, captured by at least one camera; detecting, in the image, at least one shadow cast by at least one object of the 3D scene acting as a support for the at least one camera; and determining a direction of at least one real light source from the at least one detected shadow and at least information representative of the object.

The present invention discloses an immersed active infrared self-cleaning secondary sedimentation tank sludge blanket induction device and an application method thereof, the induction device comprises an upper sleeve and a lower sleeve that are connected up and down and form a communicated inner cavity, a set of infrared emitters and infrared receivers that are located on an inner wall of the upper sleeve and are oppositely arranged, a transparent hard ring that is annularly adhered to front sides of the infrared emitters and the infrared receivers, and a push rod assembly that can move up and down in the inner cavity and is used for cleaning the transparent hard ring; wherein a sludge outlet hole and a water outlet hole located below the sludge outlet hole are arranged on the upper sleeve, a bearing plate is arranged in the inner cavity of the lower sleeve.

A waste oil handling apparatus features a tank with draining compartments for receiving waste oil containers in inverted and elevated positions above the tank floor. Multiple drain ports communicate with the tank interior at different elevations relative to the floor for draining accumulated contents of varying density that have gravitationally separated into distinct layers at those elevations. The ports feature adjustable fittings for adjusting the levels from which the layered contents are drawn through the ports from the tank interior. The tank has a large cleanout access by which personnel can access the tank interior for thorough cleanout. The compartments are organized into one or more troughs, each having a pivotal lid thereon. Lift brackets under the floor enable lifted transport of the tank by pallet jack or forklift.

A system and method for processing a treated feed slurry produced by a slurry reactor. The method and system include mixing a chemical separation feed with the treated feed slurry produced by the slurry reactor to chemically separate solid catalyst particles in the treated feed slurry by dissolving the solid catalyst particles using an acid or base in the chemical separation feed. A heavy oil upgrading process that includes the system and method is also described.