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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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WATER TREATMENT CHEMICAL - Water Treatment Chemicals ...
WATER TREATMENT CHEMICAL - Water Treatment Chemicals ...

Alum, has several household and industrial uses. Potassium ,alum, is ,used, most often, although ammonium ,alum,, ferric ,alum, and soda ,alum, may ,be used, for many of the same purposes. Purification of drinking water as a chemical flocculant; In styptic pencil to stop bleeding from minor cuts; Adjuvant in vaccines (chemical that enhances immune response)

Treatment of Wastewater from Pulp and Paper Mill using ...
Treatment of Wastewater from Pulp and Paper Mill using ...

In the present study, chitosan is being used as a flocculant along with alum as a coagulant for the removal of suspended impurities from pulp and paper mill waste water. For a particular dose of alum, varying concentrations of bio-flocculant chitosan were examined for maximum removal of suspended and colloidal impurities from wastewater.

ETP Chemicals | ANC WATER CHEMICALS - Water treatment ...
ETP Chemicals | ANC WATER CHEMICALS - Water treatment ...

Calcium chloride is used in waste water treatment applications to remove undesired impurities. The petroleum, metal working, laundry, textile and food processing industries add calcium chloride to oily waste streams to cause oil droplets to float to the surface where they can be removed by skimming.

2 Wastewater Treatment by using Natural Coagulant
2 Wastewater Treatment by using Natural Coagulant

which ,can, removed up to 99.1% of turbidity in synthetic ,wastewater, is comparable to the synthetic coagulant. Keywords —natural coagulant, coagulation, ,wastewater, treatment 1. Introduction In ,wastewater, treatment, coagulation has been practiced since earliest times and the main objective is ,to remove, colloidal ,impurities, hence

The effect of wastewater pretreatment on nanofiltration ...
The effect of wastewater pretreatment on nanofiltration ...

PAC ,can remove, organic or inorganic contaminants from natural waters by adsorption. It ,can, also ,remove, a high level of ,impurities, (Gao et al. 2011). So the combination of chemical coagulation and PAC adsorption pretreatment ,can, reduce fouling (Matsui et al. 2009).

Water purification - Wikipedia
Water purification - Wikipedia

Water purification, is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water fit for specific purposes. Most water is purified and disinfected for human consumption (drinking water), but ,water purification, may also be carried out for a variety of other purposes, including medical, pharmacological, chemical ...

6 I January 2018 http://doi.org/10.22214/ijraset.2018
6 I January 2018 http://doi.org/10.22214/ijraset.2018

[5]Alum is used to clarify water by neutralising the electrical double layer surrouding very fine suspended particles,allowing them to flocculate(stick together). After flocculation,the particles will be larger enough to settle down and can be removed easily.it is a good chemical flocculant.

Modern Techniques in Water and Wastewater Treatment ...
Modern Techniques in Water and Wastewater Treatment ...

Magnetite is ,used, alone or in conjunction with a suitable secondary reagent such as polyelectrolyte or ,alum to remove, particulate and some dissolved ,impurities, from water or ,wastewater,. When magnetically flocculated, the impurity laden particles are separated rapidly from the treated water.

Is alum-purified water safe to drink? - Quora
Is alum-purified water safe to drink? - Quora

Alum is used in the form of Aluminum Sulfate (usually) to remove particulates in water through flocculation to remove solids and some ions and allow them to be filtered or settled. The process is part of a treatment process and, properly managed, leaves little of the chemical components in solution.

Recycling of Alum from Water Treatment Residue and Reuse ...
Recycling of Alum from Water Treatment Residue and Reuse ...

dies have shown that the ,alum, sludge is ,used, at the concentrations of 100 - 180 mg/L to improve the removal efficiency of lead from 79% to 96%- 98% resulting in the reduction of fresh ,alum, from 175 mg/L to 50.0 - 12.5 mg/L (Chu, 1999) and ,to remove, the hydrophobic dye from the textile ,wastewater, …

Modern Techniques in Water and Wastewater Treatment ...
Modern Techniques in Water and Wastewater Treatment ...

Magnetite is ,used, alone or in conjunction with a suitable secondary reagent such as polyelectrolyte or ,alum to remove, particulate and some dissolved ,impurities, from water or ,wastewater,. When magnetically flocculated, the impurity laden particles are separated rapidly from the treated water.

Treatment of Wastewater from Pulp and Paper Mill using ...
Treatment of Wastewater from Pulp and Paper Mill using ...

flocculation using chitosan dissolved in acetic ,acid, displayed a . comparatively higher drop in COD (~80%) and turbidity ( ... colloidal ,impurities, from ,wastewater,. Zeta potential of the . supernatant before and after treatment with ,alum,/chitosan was . ,used, as .

2 Wastewater Treatment by using Natural Coagulant
2 Wastewater Treatment by using Natural Coagulant

which ,can, removed up to 99.1% of turbidity in synthetic ,wastewater, is comparable to the synthetic coagulant. Keywords —natural coagulant, coagulation, ,wastewater, treatment 1. Introduction In ,wastewater, treatment, coagulation has been practiced since earliest times and the main objective is ,to remove, colloidal ,impurities, hence

Monoethanolamine Wastewater Treatment via Adsorption ...
Monoethanolamine Wastewater Treatment via Adsorption ...

Chitosan, activated carbon, alum and zeolite are four types of adsorbents, which have been used in many applications, ranging from food and separation technology to wastewater treatment. Chitosan is one of the natural products that are potentially can be used as adsorbents.

WATER TREATMENT CHEMICAL - Water Treatment Chemicals ...
WATER TREATMENT CHEMICAL - Water Treatment Chemicals ...

Alum, has several household and industrial uses. Potassium ,alum, is ,used, most often, although ammonium ,alum,, ferric ,alum, and soda ,alum, may ,be used, for many of the same purposes. Purification of drinking water as a chemical flocculant; In styptic pencil to stop bleeding from minor cuts; Adjuvant in vaccines (chemical that enhances immune response)

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