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Nickel plating on iron by electrolysis in acidic wastewater containing nickel

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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Nickel plating on iron by electrolysis in acidic wastewater containing nickel
Chromium trioxide | CrO3 - PubChem
Chromium trioxide | CrO3 - PubChem

/Chromic ,acid,:/ This important ,acid, is known also as ,chromium trioxide,. The technical grade is obtainable from primary producers in an anhydrous form as small dark red flakes ,containing, 99% CrO3. Like all chromates and dichromates, its ,chromium, is in the hexavalent state.

Water quality for agriculture - Home | Food and ...
Water quality for agriculture - Home | Food and ...

Iron, chlorosis in susceptible crops (maize, sorghum, Sudan grass, and a few others) is sometimes caused by water with a relatively high sodium adsorption ratio (SAR > 6) and can often be corrected by repeated sprays of ferrous ,iron, or ,iron, chelate, or by using soil sulphur or gypsum to maintain soil pH less than 8.5 or, as with Sudan grass, withholding of water (delayed irrigation) for several ...

Stainless steel - Wikipedia
Stainless steel - Wikipedia

Stainless steel,: 276 is a group of ,iron,-based alloys that contain a minimum of approximately 11% ,chromium,,: 3 a composition that prevents the ,iron, from rusting and also provides heat-resistant properties.: 3 Different types of ,stainless steel, include the elements carbon (from 0.03% to greater than 1.00%), nitrogen, aluminium, silicon, sulfur, titanium, nickel, copper, selenium, niobium, and ...

INDUSTRIAL WASTEWATER-TYPES AMOUNTS AND EFFECTS
INDUSTRIAL WASTEWATER-TYPES AMOUNTS AND EFFECTS

containing, cyanide, wastes from the metal processing industry ,containing, acids or alkaline solutions (mostly ,cont aining, non-ferrous metals and often cyanide or chromate), ,wastewater, from eloxal works and from the waste gas purification of aluminum works,

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