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Acid industrial wastewater from an enterprise

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Acid industrial wastewater from an enterprise
Removal of Macro-pollutants in Oily Wastewater Obtained ...
Removal of Macro-pollutants in Oily Wastewater Obtained ...

industry, oil-drilling mud and ,oily, contaminated soil leachate are categorized as the ,oily wastewater, (OWW) (Yu et al. 2017). These wastewaters mostly contains ,high concentration, of hydrocarbons, phenols, sulfides, heavy metals and ammonia (NH 3) with very ,high, toxicity (Skban Ibrahim et al. 2014).

Polyacrylamide for chemical fiber
Polyacrylamide for chemical fiber

Chemical fiber wastewater contains high organic matter content, various toxic substances, high B/C and unstable, between 1000-10000mg/1, wastewater treatment has poor biodegradability, wastewater is acidic or destructive, and contains aldehydes and cyanide Toxic substances such as benzene, benzene, etc., are likely to have toxic effects on microorganisms.

DECOLORIZATION OF CONCENTRATED RHAMNOLIPID …
DECOLORIZATION OF CONCENTRATED RHAMNOLIPID …

What is claimed is: 1. An organic solvent-free process for obtaining a neutralized composition comprising one or more rhamnolipids (RLs) comprising: (a) providing an aqueous medium comprising at least one rhamnolipid; (b) treating said medium provided with acid to obtain an ,acidic, medium comprising a solid, liquid and ,oily, phase; (c) removing at least the liquid phase from said ,acidic, medium ...

Oily wastewaters treatment using Pseudomonas sp. isolated ...
Oily wastewaters treatment using Pseudomonas sp. isolated ...

By contrast, Annibale et al. found that the same enzyme activity of Penicillium was highest when the fungus was cultivated on ,Oily wastewater, characterized by ,high, organic loads. Goncalves et al. (2009) applied ammonium chloride as a nitrogen resource in this regard and reported the maximum COD removal through using some kind of yeast 60% [ 25 ].

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