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Treatment of mobile fracturing flowback fluid

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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Treatment of mobile fracturing flowback fluid
Why is alum used to purify mud water? - Quora
Why is alum used to purify mud water? - Quora

So, switch your drinking habits to ,Alkaline, Water. Alum is one of several compounds that cause the mud to clot or clump together, (called flocculation) get too heavy to float and thus drop to the bottom in relatively still water. While clarifying, the alum itself is removed from the water.

Determination of chemical oxygen demand of water | Hard ...
Determination of chemical oxygen demand of water | Hard ...

In ,dichromate, method the organic matter in water oxidize with the strong oxidizing agent potassium ,dichromate, under acidic conditions. Normally sulfuric ,acid, is used to achieve the acidity in this COD test method. An additional amount of potassium ,dichromate, …

A review of treating oily wastewater - ScienceDirect
A review of treating oily wastewater - ScienceDirect

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.

The Use of Recovered Coagulants in Wastewater Treatment
The Use of Recovered Coagulants in Wastewater Treatment

In this study, the feasibility of using the recovered alum from water treatment sludge as a coagulant for post treatment of ,wastewater, was investigated then, its efficiency was compared with fresh ...

The Significance of Hazardous Chemicals in Wastewater ...
The Significance of Hazardous Chemicals in Wastewater ...

acid dichromate, (Feldman, 1974)). Samples for the determination of trace organic substances were collected with stainless steel samplers, stored in glass and transported at 4ºC to the laboratories. Preservation with 3 ml of 30% hydrochloric ,acid, and 0.25g of copper nitrate per litre was used for steroid estrogen samples.

Purity Systems – Water Purification / Alkaline Water ...
Purity Systems – Water Purification / Alkaline Water ...

It turns yellow when acidic. But ,Alkaline, will turn blue or purple depending on the alkalinity. ,Alkaline, water reaches a high ph level from 7 to 14 once again depending on its alkalinity. And gives you the benefits of drinking ,alkaline, water. The Solution to the problem ,Alkaline, water has a high ,alkaline, …

Chemical aspects of peracetic acid based wastewater ...
Chemical aspects of peracetic acid based wastewater ...

Keywords: tertiary ,wastewater, disinfection, peracetic ,acid,, total coliform, E. coli, coliphages INTRODUCTION ,Wastewater treatment, has traditionally focused on the removal of solids, organic material and nutrients (phosphorus and more recently nitrogen). Additionally, microbes in ,wastewater, are typically removed up to about 98% in a conventional ...

Wastewater treatment in the fishery industry - 2 ...
Wastewater treatment in the fishery industry - 2 ...

The method of COD which uses ,dichromate, as oxidant is carried out by heating under total reflux a ,wastewater, sample of known volume in an excess of potassium ,dichromate, (K 2 Cr 2 O 7) in presence of sulphuric ,Acid, (H 2 SO 4) for a fixed period (usually two hours) …

PETROCHEMICAL WASTEWATER AND ITS TREATMENT
PETROCHEMICAL WASTEWATER AND ITS TREATMENT

cost, and low ,treatment, efficiency, and the simple use of a ,wastewater treatment, technology will cause a lot of waste of resources. Therefore, it is an important research direction to study the ,wastewater treatment, process combined with various technologies and improve the efficiency of traditional ,wastewater treatment, methods.

To Measure COD of WasteWater using Open Reflux Method
To Measure COD of WasteWater using Open Reflux Method

Pottassium ,dichromate, is used in excess a mount to oxidize all the organic matter, ... Sulphuric ,acid,. 3. Mercuri sulphate (Hgs04) 4. Ferrous ammonium sulphate (Fe NH4)2 (So4)2 0.25 N used as tritrante, 5. ... Activated Sludge ,Wastewater Treatment, Process.

Wastewater Treatment and Biosolids Reuse
Wastewater Treatment and Biosolids Reuse

with potassium ,dichromate, (K 2 Cr 2 O 7) in the presence of sulfuric ,acid, and silver, and is expressed in milligrams per liter. In general, ... The primary goal of ,wastewater treatment, is the removal and degradation of organic matter under controlled condi-tions.

Preparation and coagulation efficiency of polyaluminium ...
Preparation and coagulation efficiency of polyaluminium ...

1/7/2011, · The analytical results show that the concentrations of iron and aluminium in the acidic wastewater were higher, while the concentration of, SiO 2, in the alkaline wastewater was higher. The sodium carbonate is formed due to oxidation of graphite in the air and alkali roasting.

The Efficiency of Nairobi’s Kariobangi Wastewater ...
The Efficiency of Nairobi’s Kariobangi Wastewater ...

wastewater treatment, plant with an installed capacity of 32,000 m3/day and has an in built methenation ... Potassium ,dichromate, titration method was used to determine the COD. Sample ... Ascorbic ,acid, method was used for phosphate determination. Flame Atomic Absorption Spectrometry was used to analyze the samples for cadmium, chromium and

Principal wastewater constituents Treatment methods for ...
Principal wastewater constituents Treatment methods for ...

Principal ,wastewater, constituents ,Treatment, methods for ,wastewater, . ,WASTEWATER, Industrial ww Municipal (domestic) ww ... ,wastewater, that can be oxidized chemically using ,dichromate, in an ,acid, solution 3 2 2 4 2 n a b c 2 7 H O cNH 2dCr 2 a 8 d 3c C H O N dCrO (8 d c)H nCO 2 c 3 b 6 a 3 2n

Guide to Chemical Oxygen Demand (COD) Testing
Guide to Chemical Oxygen Demand (COD) Testing

Currently, most ,COD, tests use potassium ,dichromate, as the oxidant. Potassium ,dichromate, is a hexavalent chromium salt that is bright orange in color and is a very strong oxidant. Between 95-100% of organic material can be oxidized by ,dichromate,.

WASTEWATER TREATMENT PLANT AND QUALITY OF …
WASTEWATER TREATMENT PLANT AND QUALITY OF …

The aim of this paperwas to evaluate the quality of water povided from the municipal ,wastewater treatment, plantof Tecuci town. ... oxidized by potassium ,dichromate, in the presence of sulphuric ,acid,, silver sulfate and mercury sulfate to produce carbon dioxide (CO2) and water (H2O).

Enhanced water treatment by Moringa oleifera seeds extract ...
Enhanced water treatment by Moringa oleifera seeds extract ...

Gregory & Duan (2001) have investigated the effectiveness of different pre-hydrolysing coagulants for, wastewater, treatment and concluded that PAC products give, more rapid, flocculation and stronger flocs, than alum, at optimal dosage.

Chemical aspects of peracetic acid based wastewater ...
Chemical aspects of peracetic acid based wastewater ...

Keywords: tertiary ,wastewater, disinfection, peracetic ,acid,, total coliform, E. coli, coliphages INTRODUCTION ,Wastewater treatment, has traditionally focused on the removal of solids, organic material and nutrients (phosphorus and more recently nitrogen). Additionally, microbes in ,wastewater, are typically removed up to about 98% in a conventional ...

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