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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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natural gas booster pump
The use of concentrated monosodium glutamate wastewater as ...
The use of concentrated monosodium glutamate wastewater as ...

acidity,, ,ammonia,, animal manures, compost maturity, composting, electrical conductivity, germination, monosodium glutamate, nitrogen, pH, temperature, volatilization, ,wastewater, Abstract: In this ,study,, concentrated monosodium glutamate waste (CMGW) was proposed as a conditioning agent to adjust ,acidity, and decrease ,ammonia, (NH3) volatilization in thermophilic aerobic composting based on two ...

Pollution Prevention for the Metal Finishing Industry ...
Pollution Prevention for the Metal Finishing Industry ...

Wastewater, treatment sludges from specific operations not included in this classifica- tion system are: •Sulfuric acid anodizing of aluminum •Tin ,plating, or carbon steel •,Zinc plating, (segregated basis) on carbon steel •Aluminum or ,zinc,-aluminum ,plating, on carbon steel •Cleaning/stripping associated with tin, ,zinc,, and aluminum ,plating, on carbon steel •Chemical etching and milling of aluminum.

WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE SOLUTIONS …
WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE SOLUTIONS …

The ,wastewater, treatment plant at Coats Vietnam will treat the ,wastewater, originating from it’s polyester dyeing (disperse dyes - 70%) and nylon dyeing (acid dyes - 30%). Additional ,wastewater, originates from the cotton towel dyeing using vat/reactive dyes. For disperse dyeing, the two main chemicals used are a buffer and a levelling agent.

Solved: 17 Problem 1. A Chemical Analysis Of Wastewater Sa ...
Solved: 17 Problem 1. A Chemical Analysis Of Wastewater Sa ...

Question: 17 Problem 1. A Chemical Analysis Of ,Wastewater, Sample With An Initial PH Of 9.3 Is Given By The Following Table: Substance Concentration Molecular Weight (mg/L) (g/mole) Bi-carbonate (HCO3) 100 61 ,Ammonia, (NH) 17 Chloride (CI) 250 35,5 Sulfate (SO) 96 A) Estimate The Methyl Orange ,Acidity, As Mg/L Caco, B) Estimate The Phenolphthalein ,Acidity, As Mg(L ...

Pollution Prevention in the Plating Process
Pollution Prevention in the Plating Process

Alkaline zinc baths also form, carbonate, similar to cyanide solutions. Symptoms of this include yellows in blue bright chromate, a drop in brightness, and poor coverage. If, carbonate, levels become too high, platers should consider one of the following options: Decant the bath and rebuild to specifications ; Freeze out the, carbonate

Assessment of the Ship Plume Dilution Study
Assessment of the Ship Plume Dilution Study

The ,study, was conducted by EPA’s Ocean Survey Vessel Bold in July 2008. It was designed to characterize the near‐field dilution (0 – 15 meters) that occurs to ,wastewater, that is discharged from a stationary cruise ship. The dilution factors in this ,study, were calculated by taking the known

A pilot study on a membrane process for the treatment and ...
A pilot study on a membrane process for the treatment and ...

1/10/2002, · The contaminated rinse waters may contain heavy metals such as chromium, copper, ,zinc,, lead, nickel and iron, as well as monovalent ions, depending on the ,plating, process. The spent final rinse water contains a much lower level of these heavy metals and monovalent ions (measured conductivity generally less than 30 μS/cm).

A high‐resolution ammonia emission inventory in China ...
A high‐resolution ammonia emission inventory in China ...

[28] ,Ammonia, emissions from ,wastewater, treatment plants and refuse processing plants were also included; these emissions should not be neglected, especially in urban areas [Anderson et al., 2003]. The waste disposal types considered were ,wastewater, treatment, …

(PDF) Characterization and Treatment of Wastewater from ...
(PDF) Characterization and Treatment of Wastewater from ...

The ,wastewater, was contaminated with various types of heavy metals such as Zn, Fe, Cu, Mn, Pb, Cd, Co, Cr, Mg and Ni and their concentration is higher than the acceptable environmental levels.

Species Abundance and Function of Ammonia-oxidizing ...
Species Abundance and Function of Ammonia-oxidizing ...

2/11/2015, · ,Ammonia, oxidation is the first step in nitrification and was thought to be performed solely by specialized bacteria. The discovery ,of ammonia,-oxidizing …

NITRIFICATION KINETICS IN AQUACULTURE WASTEWATER …
NITRIFICATION KINETICS IN AQUACULTURE WASTEWATER …

The objective of this ,study, was to evaluate the removal efficiencies of ammonium, ... research, synthetic ,wastewater, for ,ammonia, nitrogen concentration of 5 mg NH 3-N/l requires ... The degree of ,acidity,(pH) defined as hydrogen ions(H+) ...

The Effect of Phenol on Heterotrophic Ammonia-Oxidizing ...
The Effect of Phenol on Heterotrophic Ammonia-Oxidizing ...

The main objective of this ,study, was the investigation of phenol effects on some industrial soils and wastewaters and activity of heterotrophic ,ammonia,-oxidizer bacteria with regarding to ,ammonia, removal. MATERIALS AND METHODS Soil and ,wastewater, sampling Soils and wastewaters used in this ,study, were taken from chemical refinery

OIT Water Wastewater Study Guide Flashcards - Cram.com
OIT Water Wastewater Study Guide Flashcards - Cram.com

Study, Flashcards On ,OIT Water Wastewater Study Guide, at Cram.com. Quickly memorize the terms, ... thereby lowering the pH and increasing the ,acidity, of water. ... Since ,ammonia, is a weak base, it combines with acids to form salts.

Supplementation of ammonium bicarbonates for the treatment ...
Supplementation of ammonium bicarbonates for the treatment ...

The fruit cordial ,wastewater, in question is a purple soft drink that contains the juice of grapes, raspberries and blackcurrants, which has been analysed to be lacking in alkalinity and nitroge-nous resources [1]. Preparation of fruit cordial ,wastewater, was carried out according to a previous ,study, by diluting the stock liquor [7].

1. Introduction
1. Introduction

To date, ,ammonia, stripping pilot-plants have been employed to treat various types of ,wastewater, containing high concentrations ,of ammonia, and toxic compounds, such as that derived from secondary effluent of municipal ,wastewater, treatment plant [10], animal manure [13], and landfill leachate [14].Most recently, ,ammonia, stripping was applied to anaerobic-digested effluent as this method offers ...

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