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Acid wastewater flocculation and polyacrylamide

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 wastewater flocculation and polyacrylamide
An Overview of Nanomaterials for Water and Wastewater ...
An Overview of Nanomaterials for Water and Wastewater ...

In this paper, the most extensively studied ,nanomaterials,, zero-valent metal nanoparticles (Ag, Fe, and Zn), metal ,oxide, nanoparticles (TiO 2 , ZnO, and ,iron, oxides), carbon nanotubes (CNTs), and nanocomposites are discussed and highlighted in detail. Besides, future aspects of ,nanomaterials, in water and ,wastewater, treatment are discussed.

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.

Heavy metal removal from wastewater using various ...
Heavy metal removal from wastewater using various ...

Composite of multi-walled carbon nanotubes and ,iron oxide, 20 6 – 10–60 0.1–2 – 88% Gupta et al. Manganese dioxide/,iron oxide,/,acid, oxidised multi-walled carbon nanotube nanocomposites 50–300 2 Langmuir 150 5 186.9 85% Luo et al. Carbon nanotubes functionalised using nitric ,acid, …

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

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