Improvement on oxidation stability of FCC LCO with the comeination of solvent extraction based on chemical complexation and caustic washing;

Purifying yellow phosphorus tail gas by caustic washing-catalytic oxidation;

Study on caustic washing process for extracting phenolics from direct coal liquefaction product distillate

Commercial BeO applicable for Be and Cu master alloy production is produced by control of operation and technical conditions of precipitation,alkali washing,and calcination and also by testing of technical data such as specific surface area,bulk density,and ignition loss,etc.

This article introdues the relationship between alkali washing gas CO and alcohol ammonia ratio in synthetic ammonia process This provides an evidence for optimizing enterprise's product structure so as to maximize the benefit on basis of this mode

With the new technology for the alkali washing and catalytic oxidation that adopts catalyst JC-4,the yellow phosphorus tail gas can be deeply purified.

The relation on alkali cleaning and stress corrosion cracking(SCC) in petrochemical equipment were analyzed in the paper.

Aimed at the demand of the high quantity surface during the titanium precise profile wire processes,the pretreatment for the clearance material surface pollutant,such as the lubricant,oxidized the skin and inhaled layer etc,puts forward the adoption of washing-alkali cleaning-acid cleaning treatment before the vacuum anneal,the controlling condition and discussion of the pretreatment are given.

The selection of appropriate parameters by making an experimental analysis of the alkali cleaning process of diesel oil has not only made the acidity of diesel oil lower than 7mg KOH/100ml, thus eradicating emulsification, but also reduced the cost of production.

Purifying and recycling alkaline wash wastewater by using a combination of HGMS and flotation;

The process of alkaline wash for diesel oil from CDU using oxidation alkaline residue from gas separation set was researched.

The modification of the south atmospheric and vacuum distillation unit in Jinan Petroleum Refinery for dismissing emulsification of diesel oil during alkaline wash were analyzed and summarized.

Industrial application of HPL-2 type emulsion inhibitor in diesel fuel alkaline washing;

Safety analysis of hydrogenator of PTA plant under alkaline washing conditions;

Compared to conventional alkaline washing in technology process、Operator Parameter and product quality,fibre film contactor have characterized is adequate contact of two phases,high separation efficiency, high sulfur remove with alkaline washing and without base liquid carryover,ect.

In the light oil refining unit of PetroChina Dushazi Petrochemical Company, emulsion problem deteriorates in diesel caustic washing with the increase of total acid number (TAN) of 0# crude (Beijiang Blend) and increased percentage of Hazakhstan crude blended into the crude processed by the company.