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Neutralization efficiency of acid wastewater

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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Neutralization efficiency of acid wastewater
Design and Experimental Testing of Small-scale Acid Mine ...
Design and Experimental Testing of Small-scale Acid Mine ...

Design and Experimental Testing of Small-scale Acid Mine Drainage Treatment, Plant S. Nasir 1, E. Ibrahim 2, ... The use of plants to reduce the ,metal ions, in contaminated water has also been studied by researchers ... A is the initial ,concentration, of ,ions, (ppm), B is the final ,concentration, of ,ions, …

Polyacrylamide for steel wastewater
Polyacrylamide for steel wastewater

The scale of ,mine wastewater, treatment must be reasonably determined, and the water quality of the treated water should not fluctuate too much. Set up a regulating pool and a regulating reservoir, and collect the water first, and then treat it. ,Mine wastewater, is sulfuric ,acid, type ,wastewater,, with a general pH of 1.6. Such a low sulfuric ,acid, ...

Trace and Heavy Metals in Wastewater - SlideShare
Trace and Heavy Metals in Wastewater - SlideShare

Trace ,and Heavy Metals in Wastewater, 1. T R A C E ,M E T A L, S ,W A S T E W A T E R, T R E A T M E N T 2. Introduction The second part of 20th Century, there has been growing concern over the diverse effects of heavy metals on humans and aquatic ecosystems Environmental impact of heavy metals was mostly attributed to industrial sources

Trace and Heavy Metals in Wastewater - SlideShare
Trace and Heavy Metals in Wastewater - SlideShare

Trace ,and Heavy Metals in Wastewater, 1. T R A C E ,M E T A L, S ,W A S T E W A T E R, T R E A T M E N T 2. Introduction The second part of 20th Century, there has been growing concern over the diverse effects of heavy metals on humans and aquatic ecosystems Environmental impact of heavy metals was mostly attributed to industrial sources

A review of the applications of ion floatation: wastewater ...
A review of the applications of ion floatation: wastewater ...

Moreover, by adding auxiliary ligands (malic ,acid, and maleic ,acid,), the recovery efficiencies for all ,metal ions, increased and the flotation times decreased to 40, 20 and 40 min for Zn(II), Mn(II) and Cu(II), respectively, when the molar ratio ,of metal,: sodium dodecyl sulphate: auxiliary ligand was 1: 5: 5. 40 It is evident that ion flotation has a high removal capacity for various ,metal ions, ...

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · Summary The mining of metallic ores (e.g. iron, copper, lead, zinc, molybdenum, and tungsten), precious metals such as gold, platinum and silver, and large scale coal mining all produces ,wastewater, (U.S.EPA, 2010). As discussed below, this ,waste water, is usually ,mine, drainage pumped from mining areas, water used and discharged from the processing of the…

Polyacrylamide for steel wastewater
Polyacrylamide for steel wastewater

The scale of ,mine wastewater, treatment must be reasonably determined, and the water quality of the treated water should not fluctuate too much. Set up a regulating pool and a regulating reservoir, and collect the water first, and then treat it. ,Mine wastewater, is sulfuric ,acid, type ,wastewater,, with a general pH of 1.6. Such a low sulfuric ,acid, ...

Removal of heavy metal ions from wastewaters: A review
Removal of heavy metal ions from wastewaters: A review

wastewater, streams from a rinse bath of aluminum parts. They found that the individual application of ion exchange led to the removal of nickel up to 74.8%, while using the combination of ion-exchange and precipitation processes, higher removal from 94.2% to 98.3% was obtained. Besides, treating ,acid mine, …

A review of the applications of ion floatation: wastewater ...
A review of the applications of ion floatation: wastewater ...

esting and profound phenomenon where insoluble stearic ,acid, on the surface of a solution can adsorb ,metal ions, dissolved in the solution. It was not until 1959 that Sebba2 suggested using this phenomenon as a means of concentrating ,ions, from solu-tion, even very dilute solution, by a otation method. This process is called ion otation.3

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · Summary The mining of metallic ores (e.g. iron, copper, lead, zinc, molybdenum, and tungsten), precious metals such as gold, platinum and silver, and large scale coal mining all produces ,wastewater, (U.S.EPA, 2010). As discussed below, this ,waste water, is usually ,mine, drainage pumped from mining areas, water used and discharged from the processing of the…

A review of the applications of ion floatation: wastewater ...
A review of the applications of ion floatation: wastewater ...

Moreover, by adding auxiliary ligands (malic ,acid, and maleic ,acid,), the recovery efficiencies for all ,metal ions, increased and the flotation times decreased to 40, 20 and 40 min for Zn(II), Mn(II) and Cu(II), respectively, when the molar ratio ,of metal,: sodium dodecyl sulphate: auxiliary ligand was 1: 5: 5. 40 It is evident that ion flotation has a high removal capacity for various ,metal ions, ...

Characterisation and applications of synthesised cation ...
Characterisation and applications of synthesised cation ...

remove toxic ,metal ions, from ,wastewater,, such as Cd (Ramos et al., 1997), Ni (Shim et al., 2001), Cr ... ,acid, cation-exchanger and its application in ,metal, ion removal from underground ,mine,-water of the Rajpura Dariba Mines, Udaipur, ... analyse the ,concentration of metal ions, in solutions. The

Research on Treating Acid Wastewater Containing Heavy Metal
Research on Treating Acid Wastewater Containing Heavy Metal

in the ,mine wastewater, diluted. The removal rate of copper ,ions, could reach 99.8% and 100% after operating 24d [29]. Furthermore, some experiments showed that the removal rate of copper ,ions, were 99.9% under the conditions of pH 7, 35°C and the ratio of COD/SO. 4 2-at 3 [30]. On the bases of

HEAVY METALS REMOVAL FROM ACID MINE DRAINAGE USING …
HEAVY METALS REMOVAL FROM ACID MINE DRAINAGE USING …

copper and manganese ,metal ions, adsorbed, as evaluated by Langmuir isotherm were 9.017, 8.718 and 6.920 mg/g, respectively. The adsorption data fitted the pseudo second order very well and suggested that the adsorption is characterized by the valence forces through exchange of charges between banana peel powder and heavy ,metal ions,.

US3947354A - Removal of heavy metal ions from wastewater ...
US3947354A - Removal of heavy metal ions from wastewater ...

Concentrations of undesirable heavy metals in industrial wastewater are reduced to below or very close to the most stringent aqueous discharge limits. This is accomplished by forming an insoluble...

A review of the applications of ion floatation: wastewater ...
A review of the applications of ion floatation: wastewater ...

esting and profound phenomenon where insoluble stearic ,acid, on the surface of a solution can adsorb ,metal ions, dissolved in the solution. It was not until 1959 that Sebba2 suggested using this phenomenon as a means of concentrating ,ions, from solu-tion, even very dilute solution, by a otation method. This process is called ion otation.3

Reduction of iron (II) ions in synthetic acidic wastewater ...
Reduction of iron (II) ions in synthetic acidic wastewater ...

the iron ,concentration, by 99.73%. The process of adsorption of iron (II) ,metal ions, with calcium carbide residue was fitted well with Langmuir's isotherms adsorption model. INTRODUCTION One of the main problems related to water resources is the decreasing availability of clean water. This problem

Nanomaterials Use in Wastewater Treatment
Nanomaterials Use in Wastewater Treatment

used as an ionexchange media for ,metal ions, and effective sorbents for removal ,of metal ions,. Zeolites have been reportedly used in the removal of heavy metals such as Cr(III), Ni(II), Zn(II), Cu(II) and Cd(II) from ,metal, electroplating and ,acid mine, wastewaters [37]. Carbon-based

Microbial Diversity of Emalahleni Mine Water in South ...
Microbial Diversity of Emalahleni Mine Water in South ...

22/1/2014, · To assess the effect ,of metal ions, on cell morphology of MWI-1 in ,wastewater, culture medium, a scanning electron microscopy (SEM) was used (Figure 5). The bacterial cells exposed to ,metal ions, were significantly changed and showed major damage, characterized aglomeration and lyse of microbial cells when compared to isolate not exposed to ,metal ions,.

Microbial Diversity of Emalahleni Mine Water in South ...
Microbial Diversity of Emalahleni Mine Water in South ...

22/1/2014, · To assess the effect ,of metal ions, on cell morphology of MWI-1 in ,wastewater, culture medium, a scanning electron microscopy (SEM) was used (Figure 5). The bacterial cells exposed to ,metal ions, were significantly changed and showed major damage, characterized aglomeration and lyse of microbial cells when compared to isolate not exposed to ,metal ions,.

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