A method for reducing toxic mercury in wastewater effluent comprises the steps of: identifying a system into which wastewater effluent is introduced, the wastewater effluent including organic compounds and organomercurial compounds; producing a treatment composition comprising a solution including a surfactant, digestive microbes suspended in the solution, and mercury-transformative microbes suspended in the solution; and providing the treatment composition into the system containing the wastewater effluent, such that the digestive microbes degrade the organic compounds in the wastewater effluent, and the mercury-transformative microbes reduce the organomercurial compounds in the wastewater effluent into nontoxic volatile elemental mercury. In certain systems for reducing toxic mercury in wastewater effluent, a biological capture medium is positioned within a vessel and configured to provide a capture point for microbes to adhere to and create biofilms. One such system is a dental evacuation system in which wastewater effluent is introduced into the system via an aspirator.

A process of dewatering oil sands/coal tailings includes generating nanobubble water, mixing a chemical dispersant into the nanobubble water to form a nanobubble-dispersant mixture, adding tailings to the nanobubble-dispersant mixture to form a nanobubble-dispersant-tailings mixture, and agitating the nanobubble-dispersant-tailings mixture to form an agitated nanobubble-dispersant-tailings mixture having a solid portion and a liquid portion. The solid portion is thereafter separated from the liquid portion. The agitation may be a centrifugal motion or shaking motion to agitate the nanobubble-dispersant-tailings mixture The chemical dispersant may be sodium hydroxide dispersant for asphaltenes and the volume of the tailings added may be substantially equal to the volume of the nanobubble water generated. An oil layer may further be skimmed off the liquid portion a polymer clarifier may also be added to the liquid portion. The process may be applied to achieve accelerated tailings processing for rapid and economic environmental remediation.

A method for treating sewage to avoid sludge dumping. The sewage treatment method is a multistage process for sanitizing raw sewage and producing easily managed environmentally safe byproducts. Raw sewage or partially treated sewage is processed to remove and treat any liquids leaving sterilized solids that are compacted for limiting the environmental footprint. The method employs mechanical, thermal, radiation, and chemical treatments to the sewage to produce safe biodegradable materials. The treated final product may be used as fertilizer, fillers, aggregate, or compost.

Apparatus and systems for laundry wastewater treatment are provided. Generally, systems include one or more grinder pumps for receiving raw wastewater from laundry operations, a lint remover in fluid communication with the grinder pumps, a sediment filter in fluid communication with the lint remover, an ozone treatment chamber in fluid communication with the sediment filter, and a carbon filter. Methods can provide for continuous treatment of laundry wastewater that can be reused in laundry operations, or passed to a wastewater stream (such as sewage).

The present Invention relates to a new and novel process for treatment of wastewater that combines treatment methods that use Ballast Material (BM), Hydrothermal Carbonization (HTC), Hydrodynamic Cavitation (HDC), Probiotics (PB), acid, and Bio-Adsorbents (BA) to replace biological treatment of wastewater, specifically Activated Sludge Technology (AST).

In an insoluble material-generating apparatus, an iron salt and/or an aluminum salt, and a cationic polymer flocculant, are added to waste water containing dissolved substances to generate insoluble material. To the insoluble material-containing waste water, an anionic polymer flocculant is added, after which the waste water containing the anionic polymer flocculant and the insoluble material is stirred in a granulating flocculation precipitation tank, the insoluble material is granulated, and solid-liquid separation of the generated granulated material is performed to obtain treated water. The amount of the iron salt or the aluminum salt added is an iron or aluminum concentration of at least 0.4 mmol/L, and the cationic polymer flocculant and the anionic polymer flocculant are added so that the product of the cationic polymer flocculant concentration and the cationic group percentage is equal to or less than the product of the anionic polymer flocculant concentration and the anionic group percentage.

A transportable system for generating aqueous ozone solution includes a wheeled frame and an aqueous ozone solution supply unit that is coupled to the wheeled frame. The aqueous ozone solution supply unit is configured to produce an aqueous ozone solution onsite by generating and injecting ozone into water received from an onsite water source. The transportable system further includes an outer enclosure configured to surround at least a portion of the wheeled frame and configured to contain the aqueous ozone solution supply unit. The outer enclosure is also configured to store one or more external components for the aqueous ozone solution supply unit and one or more cleaning accessories when the aqueous ozone solution supply unit is being transported via the wheeled frame.

The present invention provides an improved catalytic fast pyrolysis process for increased yield of useful and desirable products. In particular, the process comprises an improved catalytic fast pyrolysis process for producing aromatic compounds, such as, for example, benzene, toluene and xylenes, from biomass feedstock containing impurities, such as, for example alkali and alkaline earth metal, sulfur and nitrogen components.

An apparatus for removing large particles from a vessel The apparatus includes a vacuum storage container and a suction hose extending from the vacuum storage container. The vacuum storage container includes a material receiving section, a grinding pump and a disposal line. The material receiving section receives the large particles from the suction hose. The grinding pump is positioned in the material receiving section for pulverizing the large particles received in the material receiving section. The disposal line extends from the grinding pump through the vacuum storage container to remove the pulverized material from the grinding pump and the vacuum storage container.

The disclosure relates to a treatment method for sludge utilization in a sewage treatment plant, in particular to a method for reducing heavy metal content of sludge-based biocoke. The disclosure includes following steps (1) to (5): step (1): concentrating a residual sludge produced by a municipal sewage treatment plant to be with a moisture content of 95-98%; step (2): conditioning the concentrated sludge in a sludge bioleaching tank for 48 hours, with a pH value of the sludge being reduced to below 4.5; step (3): pumping the conditioned sludge into a high-pressure diaphragm plate and frame for a press filter dewatering to obtain a dewatered cake with a moisture content less than or equal to 50%; step (4): delivering the dewatered cake into a sludge dryer for crushing, heating and drying to obtain the dried sludge with a moisture content of 15-22%; and step (5): carbonizing the dried sludge into sludge-based biocoke at a high temperature in a pyrolytic carbonization device with a carbonization temperature of 500-650° C.