An epoxy resin mixing station for use in applying epoxy mixtures to construction surfaces is described. The epoxy resin mixing station includes inlet pipes for directing epoxy resin and a hardening agent into a mixing chamber, servo motor-driven pumps for pumping the epoxy resin and the hardening agent, and a monitoring system. The monitoring system records data related to the flow of the epoxy resin and the hardening agent. If the monitoring system detects that an actual ratio of the flow rate of the epoxy resin and/or the hardening agent is outside of a tolerance of a predetermined mix ratio, the epoxy resin mixing station automatically adjusts the flow rate of the epoxy resin and/or hardening agent.

A method for converting material within a vacuum tank that contains a mixture of liquid and solid material into a solidified batch of material. The method utilizes various devices to measure different features and properties of the tank and its contents to determine an amount of drying agent to be added to the tank. The method further utilizes various devices and methods for adding the drying agent to the tank and mixing the drying agent with the material within the tank. The method described herein may be completed automatically in response to human input on a handheld display device.

An automated drilling-fluid additive system and method for on-site real-time analysis and additive treatment of drilling fluid to be injected into a well. The drilling fluid includes returned drilling fluid intended to be re-used, which has a variety of viscosity and other qualities resulting from its various preceding use. The target drilling fluid will have a variety of viscosity and other qualities depending upon and changing with various phases of drilling operations and various conditions encountered. The drilling fluid is analyzed in real time as it flows into the automated drilling-fluid additive system, and various additives are added to and thoroughly blended with the drilling fluid as needed to achieve the desired result. The blended drilling fluid is discharged from the automated drilling-fluid additive system in the proper condition for injection into a well.

A method for determining mixing parameters for preparing a phosphoric acid solution having a controlled content of at least one of its chemical constituents, by mixing at least two phosphoric acid solutions, each having a different content of the chemical constituent, of which at least one is a permeate resulting from the filtration of a crude phosphoric acid solution through at least one nanofiltration membrane. The method includes: (1) providing a desired content (Tm) of the chemical constituent in the phosphoric acid solution to be prepared, and a desired volume (Vm) of the phosphoric acid solution to be prepared; (2) determining, using a computer, on the basis of the desired content (Tm) and the desired volume (Vm): at least one combination of at least two phosphoric acid solutions among the phosphoric acid solutions to be mixed; volumes of each of the phosphoric acid solutions to be mixed of the combination, such that the mixing of the phosphoric acid solutions of the combination leads to the phosphoric acid solution to be prepared.

A system is provided that includes an intake system configured to supply a blended well fluid to a metal extraction system. The intake system includes a manifold including a plurality of fluid inlets, an internal flow path coupled to the plurality of fluid inlets, and a fluid outlet coupled to the internal flow path. The intake system also includes a plurality of sensors used to obtain sensor feedback of one or more parameters of the plurality of well fluids. The plurality of flow controls is coupled to each of the plurality of fluid inlets and the plurality of flow controls to adjust a blend of the one more parameters in the blended well fluid including metal within a concentration range used for metal extraction by the metal extraction system.

A system for preparing a liquid product, for example a beverage. The system comprises a product preparation assembly comprising a concentrate holder for holding product concentrate, a product feedthrough channel, and a concentrate supply channel for feeding a flow of product concentrate from said holder to said product feedthrough channel. The concentrate supply channel is provided with a valve member for regulating the flow of product concentrate, the valve member being movable with respect to the concentrate supply channel between a first position in which the flow of concentrate is blocked and a second position in which the flow of concentrate is enabled. The system comprises a product preparation apparatus configured to cooperate with the product preparation assembly. The apparatus comprises a liquid injector for supplying a flow of liquid into the product feedthrough channel, in particular via the valve member, wherein the liquid injector is configured to engage the valve member for moving the valve member. The apparatus comprises a controller configured for automatically controlling a movement of the valve member along a range of positions via actuation of the liquid injector, said range of positions extending between the first position and the second position.

A system for preparing a biomass slurry for subterranean injection can include a mixing apparatus having a vessel and a first input to the vessel, where the first input is configured to receive a plurality of pieces of a biomass slurry feedstock, where each of the plurality of pieces has a size not to exceed approximately 60,000 m. The mixing apparatus may also include a second input to the vessel, where the second input is configured to receive a fluid to the vessel, and wherein the fluid comprises a salt content of at least approximately 0.05%. The mixing apparatus may further include a mixer configured to combine the plurality of pieces of the biomass slurry feedstock and the fluid within the vessel to form the biomass slurry, and an output to the vessel that is configured to deliver the biomass slurry to a conveyance system for the subterranean injection.