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Check whether the wastewater is acidic

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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Check whether the wastewater is acidic
Enhanced treatment of dispersed dye-production wastewater ...
Enhanced treatment of dispersed dye-production wastewater ...

Representative aromatic organics in dispersed ,dye,-production ,wastewater,, such as 2-chloro-4-nitroaniline, 3-ethylanilinopropiononitrile, phenol, 3,5-dichlorophenol, and 3-chloronitrobenzene, were ...

In vivo and in vitro efficient textile wastewater ...
In vivo and in vitro efficient textile wastewater ...

Three ,acid, anionic dyes were applied in the adsorption experiment: ,Acid, Blue 40 (an azo-type ,dye,), ,Acid, Orange 56 (a typical anthraquinone ,dye,) and Methylene Blue (a common aromatic ,dye,). For convenience, we defined each ,dye, culture medium like this, for example, B-40(5) represents 5 mg ,Acid, Blue 40 dispersed into 100 mL of Czapek–Dox culture medium.

Brief History of Dyes - Assignment Point
Brief History of Dyes - Assignment Point

Textile dyes are generally grouped into 14 different classes 1. These are-. (i) ,Acid, dyes: The largest class of dyes in the Color index is referred to as ,Acid, dyes. ,Acid, dyes are anionic compounds that are mainly used for dyeing nitrogen-containing fabrics like wool, polyamide, silk and modified acryl.

Treatment of artificial wastewater containing two azo ...
Treatment of artificial wastewater containing two azo ...

An ,acid dye, is defined as a negatively charged ,dye, at a chemical level, which contains one or more acidic groups such as a sulfonic group (Akbari et al. 2002; Martínez-Huitle and Brillas 2009). A basic ,dye, is defined as a positively charged stain at a chemical level (Martínez-Huitle and Brillas 2009 ; Brillas and Martínez-Huitle 2015 ), which means it reacts well with negatively charged materials (Sun and Yang …

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