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Formation of acid waste water in coal mine

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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Formation of acid waste water in coal mine
Water | Free Full-Text | Dye Waste Treatment | HTML
Water | Free Full-Text | Dye Waste Treatment | HTML

A comparison on ,Acid, Red 119 ,dye, removal by using two different types of waterworks sludge, ferric chloride sludge (FCS) and polyaluminium chloride sludge (PACS), was carried out . These waterwork sludges acted as coagulant to ,remove Acid, Red 119 under a series of batch experiments.

Removal of Acid Yellow 25 from Aqueous Solution by Chitin ...
Removal of Acid Yellow 25 from Aqueous Solution by Chitin ...

Acid, Yellow 25 (AY25) is used in the textile industry for dyeing of natural and synthetic fibers, and is also used as a coloring agent in paints, inks, plastics, and leathers. Effluents from such industries are major sources of water pollution. Hence, it is important to find simple, efficient, and inexpensive ways to ,remove, these dyes from ,wastewater,.

CONVERSION OF WOOD WASTE INTO ACTIVATED CARBON AND …
CONVERSION OF WOOD WASTE INTO ACTIVATED CARBON AND …

The synthesized activated carbon, shaken in water for 30 min prior to use to ,remove, trapped air pockets in pores, were applied to adsorb four water-soluble dyes (Sigma-Aldrich): methylene blue (MB, basic ,dye,), ,acid, blue 25 (AB, ,acid dye,), ,acid, red 151 (AR, ,acid dye,), and reactive red 23 (RR, reactive ,dye,).

Acid Green 25 removal from wastewater by organo-bentonite ...
Acid Green 25 removal from wastewater by organo-bentonite ...

Adsorbents ,remove, dyes from ,wastewater,, either by adsorption (anionic dyes) or by combined adsorption and ion exchange (cationic dyes). Although most adsorbents do not ,remove, all dyes, due to the ... max value for ,Acid, Green 25). The amount of ,dye, …

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