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The acid waste water discharged from the factory is generally treated as

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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The acid waste water discharged from the factory is generally treated as
treatment of hydrofluoric acid wastewater
treatment of hydrofluoric acid wastewater

The present invention relates to the field of sewage treatment, and more particularly to a method of ,treatment of hydrofluoric acid wastewater,. We provide a hydrofluoric ,acid, recycling cleaning apparatus. Prior art of washing hydrofluoric ,acid, without no recycling and handling as a waste, resulting in waste of costs, increasing the risk of additional hydrofluoric ,acid, by operating …

Convenient pH-responsive removal of Acid Black 1 by green ...
Convenient pH-responsive removal of Acid Black 1 by green ...

Convenient pH-responsive removal of ,Acid, Black 1 by green L-histidine/,iron oxide, magnetic nanoadsorbent from water: performance and mechanistic studies† Qurrat-ul-Ain, *a Jaweria Khatoon, b Muhammad Raza Shah, c Muhammad Imran Malik, c Iffat Abdul Tawab Khan, b Sumaira Khurshid b and Raheela Naz a This study was aimed at developing green histidine-modified Fe

Superparamagnetic Iron Oxide as Photocatalyst and ...
Superparamagnetic Iron Oxide as Photocatalyst and ...

Title:Superparamagnetic ,Iron Oxide, as Photocatalyst and Adsorbent in ,Wastewater, Treatment – A Review VOLUME: 12 ISSUE: 1 Author(s):Nur Shazrynda Md. Shahrodin , Juhana Jaafar*, Abdul Razak Rahmat, Norhaniza Yusof, Mohammad Hafiz Dzarfan Othman and Mukhlis A. Rahman Affiliation:School of Chemical and Energy Engineering, Faculty of Chemical Engineering, …

S ALIZARIN RED DYE REMOVAL FROM AQUEOUS SOLUTION …
S ALIZARIN RED DYE REMOVAL FROM AQUEOUS SOLUTION …

KEYWORDS: nanochitosan, tamarind shell, ,iron oxide, nanoparticles, adsorption, s-alizarin. ,red, dye. INTRODUCTION. Disruption and gradual destruction of the aquatic ecosystem occurs by the dye-bearing. ,wastewater, which is not only aesthetically displeasing but also restrains sunlight from.

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