초록 ▼

The present invention provides an arrangement of equipment and an overall process for the measurement and control of active bleach concentration in a bleach environment of an industrial laundry or cleaning system. As a preferred embodiment the primary piece of equipment which renders the overall sys

The present invention provides an arrangement of equipment and an overall process for the measurement and control of active bleach concentration in a bleach environment of an industrial laundry or cleaning system. As a preferred embodiment the primary piece of equipment which renders the overall system especially useful in controlling, for example, hypochlorite ion in a bleach environment is a membrane-shielded amperometric probe. The probe is designed and membrane selected to be highly selective to fluctuations in hypochlorite ion concentration.

대표청구항 ▼

[ What is claimed is:] [19.] A process for controlling the active bleach concentration in a bleach environment of a laundry or other industrial cleaning system in real-time, said process including the steps of:(a) providing an amperometric probe for measuring the concentration of an active bleach co

[ What is claimed is:] [19.] A process for controlling the active bleach concentration in a bleach environment of a laundry or other industrial cleaning system in real-time, said process including the steps of:(a) providing an amperometric probe for measuring the concentration of an active bleach constituent in an aqueous medium, said amperometric probe including a cathode, at which reduction of the active bleach species occurs, covered by a polymeric membrane material selected from the group consisting of hydrophilic polysulfones, modified polysulfones, acrylics, polyamides, polyvinylidene fluorides, vinyl/acrylic copolymers and porous inorganic materials, said amperometric probe mounted in a position exposing the cathode covered by the polymeric membrane material to the bleach environment;(b) measuring the electrical output signal from said amperometric probe;(c) processing the measured electrical output signal to produce a proportional output signal relative to the measured electrical output signal; and(d) adding bleach to said bleach environmental relative to said proportional output signal.