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2888 results about "Chlorine dioxide" patented technology

Chlorine dioxide is a chemical compound with the formula ClO₂. This yellowish-green gas crystallizes as bright orange crystals at −59 °C. As one of several oxides of chlorine, it is a potent and useful oxidizing agent used in water treatment and in bleaching.

Use of xanthan gum for gelling CIO2 and related species

The invention described relates to gelled chlorine dioxide compositions comprising water, an acid, a water-soluble chlorite salt and a gelling agent in two parts A and B, wherein the gelling agent is xanthan gum or a mixture of xanthan gum and an acid stable gelling agents. Compositions according to the invention are storage stable for at least 6 months, preferably at least about year.
Owner:ALLIGER HOWARD

Systems, apparatus, methods and articles for use in sanitization or disinfection

Various devices allow for sanitization or disinfection by exhausting a dry fog biocide agent into an ambient environment. A nebulizer, for instance a vibrator that oscillates or vibrates at ultrasonic frequencies, nebulizes a biocide agent, for instance chlorine dioxide, peracetic acid, hydrogen peroxide, to create the dry fog. Such devices may withdraw the dry fog or biocide agent from the ambient environment after some period of time. Operational parameters of the devices may be tracked or monitored. Each device may implement tracking or monitoring. Additionally or alternatively, a separate tracking or monitoring system may track or monitor the operational parameters of one or more devices. Tracking or monitoring may include exception reporting, as well as other reporting.
Owner:DILIGENCE

Chemical industry park's wastewater bio-treatment apparatus and method thereof

The invention relates to a chemical industry park's wastewater bio-treatment apparatus and a method thereof. The apparatus contains an equalizing tank, a primary settling tank, an improved ABR apparatus, a first-stage anoxic pool, a first-stage powdered active carbon aeration tank, a secondary-stage anoxic pool, a secondary-stage aeration tank, a secondary sedimentation tank, an ozone oxidation pool, a coagulation pool, a rotary disk filter, a chlorine dioxide disinfection pool and a sludge thickener. An UASB reactor is adopted in a first-grid reaction zone of the improved ABR apparatus so as to increase the first-grid sludge concentration and raise shock load resistance of an anaerobic reactor and biodegradability of wastewater. According to the two-stage A/O treatment technology, powdered active carbon is added into the first-stage aeration tank to enrich microorganisms and simultaneously absorb part of poisonous and harmful substances, thus mitigating or eliminating the inhibition effect of the poisonous and harmful substances on microorganisms in subsequent units; and the second-stage A/O system operates to further remove nitrogen and organic matters. An effluent in the secondary sedimentation tank undergoes depth treatments such as ozone oxidation, coagulation-filtration, disinfection and the like so as to further remove organic matters and suspended matters. The effluent is reused according to requirements.
Owner:JIANGSU PROVINCIAL ACAD OF ENVIRONMENTAL SCI
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