Provided are a method for preparing kaolin immobilized GY2B bacteria and use thereof.

A process for the treatment of waste water, spent air, and hydrocarbon containing liquid and gaseous streams in the cumene/phenol complex is described. Various effluent streams are combined in appropriate collection vessels, including a spent air knockout drum, a hydrocarbon buffer vessel, a fuel gas knockout drum, a phenolic water vessel, and a non-phenolic water vessel. Streams from these vessels are sent to a thermal oxidation system.

An insoluble thin hydroxide shell is synthesized on the surface of nanoscale zero-valent iron (NZVI), using a rate-controlled deprotonation method. The hydroxide coated NZVI remains suspended in aqueous phase better than the prior art and can be used to remove groundwater contaminants.

The present disclosure provides compositions and methods for treating volatile fatty acids and bacteria capable of producing volatile fatty acids. The compositions can convert acid-producing bacteria environments to nitrate-reducing bacteria environments. The compositions and methods can lower the amount of acid-producing bacteria present in the environment and thereby reduce the amount of volatile fatty acids present in the environment. The control agent may also inhibit the growth of acid-producing bacteria and volatile fatty acid concentrations. The compositions and methods can be used with any aqueous industrial system.

Disclosed are methods of monitoring the presence of naphthenic acids and related compounds. In particular, the invention provides a method of continuously monitoring naphthenic acids and related compounds that break through a filtration step in a wastewater treatment process.

A system and method of treating sour water, including providing sour water having hydrosulfide ions and a carbon-containing compound to an anodic chamber of an electrolyzer vessel, converting the hydrosulfide ions into sulfate ions in the anodic chamber via an oxido half-reaction of a first oxido-reduction reaction and generating carbon dioxide in the anodic chamber via an oxido half-reaction of a second oxido-reduction reaction associated with the carbon-containing compound. The technique includes reacting the carbon dioxide with hydroxide ions in the anodic chamber to generate bicarbonate ions. The technique includes discharging an anodic chamber solution having the sulfate ions and the bicarbonate ions from the electrolyzer vessel from the anodic chamber.

The present invention discloses a process and a composition for the treatment of wastewater. The composition comprises of microbes, enzymes and cofactors along with the nutrients. The composition is a synergistic composition and wastewater can be treated effectively for the removal of pollutants by using the synergistic composition.

A method of preparing a microorganisms-immobilized felt-based resin includes the following steps: providing a mixture of an acrylate monomer, an initiator, a solvent, and water; adding a felt to the mixture; initiating a polymerization reaction of the mixture to form a felt-based resin; and immobilizing microorganisms on the felt-based resin to form the microorganisms-immobilized felt-based resin.

In some embodiments, a method may include treating pulp in pulp and paper mills. The methods may include providing a peracetate oxidant solution and generating a reactive oxygen species. The peracetate solution may include peracetate anions and a peracid. In some embodiments, the peracetate solution may include a pH from about pH 10 to about pH 12. In some embodiments, the peracetate solution has a molar ratio of peracetate anions to peracid ranging from about 60:1 to about 6000:1. In some embodiments, the peracetate solution has a molar ratio of peracetate to hydrogen peroxide of greater than about 16:1. The peracetate oxidant solution may provide enhanced treatment methods of bleaching, brightening, and delignifying pulp fibers involving the use of peracetate oxidant solutions.

High molecular weight polyethylene oxide polymer flocculants are found to be effective for removal of dissolved phenols from wastewater flow, which can especially useful for cleanup of landfill leachate and industrial wastewater sources. Also, the treatment of wastewater from various landfill environments can be treated with polyethylene glycol flocculants with a cofactor. Suitable treatment systems and processing are described.