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).

An inline drain sanitizing system, includes: a manifold assembly including an inlet port, an outlet port, and a treatment port, wherein: the inlet port is configured to be couplable to a condensate supply line and receive unsanitized condensate, and the outlet port is configured to be couplable to a condensate drain line and provide sanitized condensate; and a treatment subsystem configured to interface with the treatment port and process the unsanitized condensate to generate the sanitized condensate.

Activated ferrate solutions, methods of their preparation, and methods of disinfecting surfaces and oxidizing pollutants in water are provided.

A water cooling/recirculating management system, including: a controller; a fluid displacement pump; a centrifugal separator; a germicide generator; and a primary side stream magnetic field generator.

Disclosed are devices, methods and/or systems for use in protecting items and/or structures that are exposed to, submerged and/or partially submerged in aquatic environments from contamination and/or fouling due to the incursion and/or colonization by specific types and/or kinds of biologic organisms and/or plants, including the protection from micro- and/or macro-fouling for extended periods of time of exposure to aquatic environments.

An exemplary, nonlimiting embodiment of the present invention relates to a water treatment and filtration system for reducing the concentration disinfection byproducts within drinking water treated by municipal drinking water treatment plants. This water treatment and filtration system reduces the concentration of disinfection byproducts, which may include trihalomethanes (THM) and haloacetic acids (HAA5), in drinking water using a clever sequencing of treatment techniques that intentionally promote formation of the disinfectant byproducts prior to filtration to effectively remove disinfection byproduct precursors and prevent subsequent formation of disinfection byproducts downstream during distribution. Moreover, this water treatment and filtration system can be retrofitted to a variety of municipal drinking water treatment plants and is designed to easily scale if demand for drinking water within the municipality increases.

A biofilm mitigation apparatus includes a supply container, a disinfectant generator, a power source, and a delivery tube. The supply container is configured to store one or more materials for a formation of a disinfectant. The disinfectant generator is configured to generate the disinfectant from the one or more materials from the supply container. The power source is configured to provide electrical power to the disinfectant generator. The delivery tube is configured to transport the disinfectant from the disinfectant generator to a biofilm.

A system and method for controlling microbiological growth in a water system and premise plumbing system which uses stabilized hydrogen peroxide as a disinfectant and maintains water energy matrix control. Maintenance of stable hydrogen peroxide residual in the system in combination with active temperature monitoring enables better control of the water energy matrix and reduction of hot water temperature while maintaining microbiological control.

A system and method for controlling microbiological growth in a water system and premise plumbing system which uses stabilized hydrogen peroxide as a disinfectant and maintains water energy matrix control. Maintenance of stable hydrogen peroxide residual in the system in combination with active temperature monitoring enables better control of the water energy matrix and reduction of hot water temperature while maintaining microbiological control.

The invention relates to a photocatalyst that is active under irradiation with UV light, visible light and sunlight, comprising a powder or a ready-to-use nanometric suspension of nitrogen-doped TiO.sub.2, wherein the brookite crystalline phase is also present and whose doping nitrogen content (% by weight) is sufficient to ensure photocatalytic activity in the visible region. The photocatalyst can be easily applied to substrates of varying nature.