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 removal of phosphorus (P) from ,domestic wastewater, is primarily to reduce the potential for eutrophication in receiving waters, and is mandated and common in many countries. However, most P-removal technologies have been developed for use at larger ,wastewater treatment, plants that have economies-of-scale, rigorous monitoring, and in-house operating expertise.
A typical pickling operation for stainless steel plates consists of a 10 per cent sulphuric ,acid, bath at 160°F, followed by a 10 per cent nitric ,acid,, 4 per cent hydrofluoric ,acid, bath at 150°F. A typical continuous pickling line for stainless steel strip consists of a 15 per cent hydrochloric ,acid, bath at 160°F followed by a 4 per cent hydrofluoric ,acid,, 10 per cent nitric ,acid, bath at 170°F.
main method. The basic principle is to, input neutralizer into acid wastewater, to make heavy metal ions and hydroxyl ions react, generate precipitation of hydroxide dissolution difficulty in water, and,,, finally, make water to purify wastewater meets emission standard., When we use the method to deal with wastewater, we should know the
15/1/2021, · A further drawback of conventional ,wastewater, treatment systems, as shown in Fig. 1, especially the activated sludge technology, is the high production of sludge.Between 2006 and 2007, the total quantity of sludge produced by 27 member states of the European Union was estimated at 10.1 million tonnes of dry solids – an amount which is expected to rise to 13 million tonnes by 2020 (Milieu, …
Depending upon the inlet water quality & application, ,selection, of ,treatment, scheme is critical to ensure maximum ,treatment, efficiency, low footprint area & minimal chemical waste. TEIL offers advanced designs, including layered bed systems, for lowest operating costs and has a large installation base of operating plants for different industrial & institutional applications.
Industrial ,wastewater, treatment describes the processes used for treating ,wastewater, that is produced by industries as an undesirable by-product. After treatment, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most industries produce some ,wastewater,.Recent trends have been to minimize such production or ...
26/11/2019, · Batteries (lead ,acid,, nickel cadmium, nickel, ,iron,, carbonate), scrap metal, and used tires: D002 (battery ,acid,), D006 (cadmium), and D008 (lead) Sell scrap metal to a recycling facility. Collect batteries for reclamation. Have scrap tires retreaded or send for recycling. Recycle batteries on site, through the supplier, or at a local recycling ...
2/12/2014, · Vermifilter is widely used to ,treat wastewater,, and appeared to have high treatment efficiency, including synchronous stabilization of ,wastewater, and sludge [22, 23, 24]. Vermifiltration is a feasible treatment method to reduce and stabilize liquid-state sewage sludge under optimal conditions [ …
Oil Removal:, Dissolved Air Floatation Treatment, An aluminum coagulant,, OMEGA C-3115, is added to the oily wastewater. With pH adjustment to 8.5 SU, the oil is separated from the water phase. To the water phase, OMEGA MP-5165 is added to capture soluble zinc and complex this metal as a metal sulfide.
The treated water is then, filtered by either pressure or gravity media filters depending on the logistics of the final disposal,. The sludge from this process typically goes to a conventional thickener and filter press for dewatering prior to disposal. Dewatering produces an average 20:1 reduction in sludge volumes.
In particular, mixing with iron ions will cause great difficulties in treatment. There are many methods to treat cyanide containing wastewater, such as, alkaline chlorination, electrolytic oxidation, activated carbon adsorption, ion exchange ( resin trap screen filter for ion exchange), ozone and ferrous sulfate.
Soil, clay, and synthetic covers can be placed over the, acid-generating, rock to reduce infiltration of air and, water, (Durkin & Herrmann 1994). These capping procedures are costly and not completely effective in stopping the interaction of, water,, air, and pyrite rock. Chemicals can be used that reduce bacteria that catalyze the, acid-generation, of AMD
Brine treatment, is used to remove salt ions from wastewater often produced as a by-product of cooling tower blowdown, natural gas and oil extraction, reverse osmosis (RO) reject, acid mine or acid rock drainage, and from many other processes.
Reverse osmosis, (RO) is a water purification process that uses a partially permeable membrane to separate ions, unwanted molecules and larger particles from drinking water. In ,reverse osmosis,, an applied pressure is used to overcome osmotic pressure, a colligative property that is driven by chemical potential differences of the solvent, a thermodynamic parameter.
1/5/2017, · Cong et al. (2011) applied poly-aluminum zinc silicate chloride to ,treat, oily ,wastewater,. The best flocculation condition is determined as the optimal dosage is 35 mL, the most suitable range of pH is 7–8, and the best mole ratio of zinc, aluminum and silicon is 1:1:2.
15/2/2020, · ZnCl 2, NaI and CaCl 2 can be used to extract microplastics from sludge. They all rely on density-based extraction techniques, which use density differences between sludge and microplastics to separate them. When sludge samples are placed in high density salt solution, plastic particles tend to float to the surface of the solution, while denser sludge materials remain at the bottom of the ...
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 ...
Granular ,activated carbon, (GAC) is commonly used for removing organic constituents and residual disinfectants in water supplies. This not only improves taste and minimizes health hazards; it protects other water ,treatment, units such as reverse osmosis membranes and ion exchange resins from possible damage due to oxidation or organic fouling.
Sytron is an oral solution for adults, children and babies to ,treat iron, deficiency anaemia caused by too little ,iron, in the body. The form of ,iron, used in this product means that it is less likely to cause stomach upsets than other ,iron,-containing medicines, and will not discolour teeth.
An alternative to ViroMine Technology in reducing acid and removing metal contamination in mine dam, wastewater, is the use of either, calcium carbonate (CaCO 3), or, calcium hydroxide (,Ca(OH) 2). A comparison between the uses of lime and Virotec’s reagents can be summarised as follows: