Nalco Holding Company

About: Nalco Holding Company is a based out in . It is known for research contribution in the topics: Corrosion & Aqueous solution. The organization has 2375 authors who have published 3056 publications receiving 51473 citations.

Process and apparatus for the thermal decomposition of nitrous oxide

Abstract: A process and apparatus is presented for the reduction of nitrous oxide in the effluent from the combustion of a carbonaceous fuel. The process comprises raising the temperature of the effluent to a temperature of at least about 1700° F. The apparatus utilized is a heating means which is disposed in a boiler at a location where the effluent is at a temperature of less than about 1700° F.

New water-soluble sulfonated monomers

Abstract: Novel water-soluble vinyl addition monomers are described generally by the formula: ##STR1## wherein: M is hydrogen, lithium, sodium, potassium, magnesium, or calcium; R is allyl or methallyl; R1 is hydrogen, allyl or methallyl; R2 is hydrogen or sulfonato: R3 is hydrogen or sulfonato; and providing that R2 is not the same as R3.

Study of Live Oil Wax Precipitation with High-Pressure Micro-Differential Scanning Calorimetry†

Abstract: For live oils, the effect of pressure (amount of dissolved gas) on the wax appearance temperature (WAT) can be quite pronounced. Here, we describe the use of high-pressure micro-differential scanning calorimetry (HP-μDSC) as an effective technique to determine the WAT for live oils. The effect of increasing equilibration time on WAT is described and compared to predictions from a thermodynamic model.

Removal of heavy metals from waste streams

Abstract: Heavy metals are removed from effluent waters using the sequential steps comprising: A. Adding a surfactant; B. pH adjustment; C. Adding a cationic coagulant; D. Adding a flocculant; and, E. Recovering the floc formed by the flocculant.

Method of reducing corrosion and corrosion byproduct deposition in a crude unit

Abstract: A method of optimizing system parameters in a crude unit to reduce corrosion and corrosion byproduct deposition in the crude unit is disclosed and claimed. The method includes measuring or predicting properties associated with the system parameters and using an automated controller to analyze the properties to cause adjustments in the chemical program to optimize the system parameters. Adjusting the system parameters effectively controls corrosion in the crude unit by reducing the corrosiveness of a fluid in the process stream and/or by protecting the system from a potentially corrosive substance. System parameter sensing probes are arranged at one or more locations in the process stream to allow accurate monitoring of the system parameters in the crude unit.