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low permeability oilfield oil producing wastewater reinjection water quality stabilizing technology

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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low permeability oilfield oil producing wastewater reinjection water quality stabilizing technology
A Concise Review on the Effect of Tannery Waste Water on ...
A Concise Review on the Effect of Tannery Waste Water on ...

of ,ammonia,-N is toxic to aquatic organism and ,nitrogen, ... water unsafe for fishes and other aquatic life ,nitrogen, and phosphorus in ,tannery waste water, encourage algae ... (2003). Characterization of ,tannery wastewater, and assessment of downstream pollution profiles along Modjo river in Ethiopia. Ethiopian J. Biol. Sci. 2(2):157-168.

Physico Chemical Characterization of Tannery Effluent and ...
Physico Chemical Characterization of Tannery Effluent and ...

This indicated that the tannery wastewater is polluting the downstream site of the river. Ammonia-N and Total Nitrogen: The concentrations of ammonia-N and total nitrogen along the tannery wastewater channel (drain) ranged from 520.44 to 401.23 mg∙L −1 and 720.46 to …

substancial | United Kingdom | Spain - Scribd
substancial | United Kingdom | Spain - Scribd

substancial, - Free ebook download as Text File (.txt), PDF File (.pdf) or read book online for free. contains some random words for machine learning natural language processing

CN104628213A - Processing method of ammonia-containing ...
CN104628213A - Processing method of ammonia-containing ...

The invention discloses a processing method of ,ammonia,-containing ,tannery wastewater,. The processing method comprises following steps: (1) the ,ammonia,-containing ,tannery wastewater, is mixed with an organic reducing agent at a certain ratio, and is heated to 180 DEG C, and the temperature is maintained for 3 to 4h; (2) an obtained mixture is mixed with ferrous sulfate heptahydrate; and an ...

Physico-chemical characterization of tannery effluent and ...
Physico-chemical characterization of tannery effluent and ...

The concentrations of ,ammonia,-N and total ,nitrogen, along the ,tannery wastewater, channel (drain) ranged from 520.44 to 401.23 and 720.46 to 665.43 mgL-1 respectively (Table 1). Their values differed significantly among sampling sites (p<0.05).

How To Avoid Sewer Stench And Corrosion - Water Online
How To Avoid Sewer Stench And Corrosion - Water Online

Finally, H2S gas is converted to sulfuric ,acid, by a second type of bacteria (Thiobacillus) that live above the water line; the sulfuric ,acid, drips back down into the ,wastewater, where it is ,neutralized, back into sulfate, and the process begins all over again.

Biological Treatment of Tannery Wastewater - A Review
Biological Treatment of Tannery Wastewater - A Review

The ,wastewater,, produced after the oxidation of sulfide compounds coming from the beam house section of a ,tannery,, contained average COD and ammonium concentrations of 550 and 90 mg L -1, respectively. Goltara et al. (2003) used a Membrane Sequencing Batch Reactor (MSBR) to treat this ,wastewater,.

My Ideas for Mankind's future - WTN - Your Future
My Ideas for Mankind's future - WTN - Your Future

Employed as an industrial engineer in a leather ,tannery,, in 1971 to 1972. Engaged in work study, time sheet calculations, batch production control, weekly and quarterly production cost reports. Compiled the following reports:

(PDF) Sustainable Development for Agriculture and ...
(PDF) Sustainable Development for Agriculture and ...

This book “Sustainable Development for Agriculture and Environment” has been design to provide overall understanding of all aspects related to the study of environment protection for sustainable development. Persistently high levels of hunger and

Quantification of Pollution Discharges from Tannery ...
Quantification of Pollution Discharges from Tannery ...

Wastewater from tanneries usually contains high levels of salinity, organic and inorganic matter, dissolved and suspended solids, ammonia, organic nitrogen and specific pollutants (sulphide, chromium and other toxic metal salt residues). Wastewater characterization is an integral part of treatment and management strategies for industrial effluents.

Nitrogen removal from tannery wastewater by protein recovery.
Nitrogen removal from tannery wastewater by protein recovery.

Nitrogen, removal from wastewaters has gained importance in recent years. In this paper protein precipitation and recovery potential of leather tanning industry wastewaters were experimentally evaluated. A protein profile for all sources was prepared. Liming was determined to be the most important protein source.

Finances in Germany - Expat Guide to Germany | Expatica
Finances in Germany - Expat Guide to Germany | Expatica

Learn everything an expat should know about managing ,finances in Germany,, including bank accounts, paying taxes, getting insurance and investing.

TANWATER – REDUCTION OF NITROGEN DISCHARGE FROM THE ...
TANWATER – REDUCTION OF NITROGEN DISCHARGE FROM THE ...

The removal of nitrogen from effluents by nitrification/denitrification is used by some municipal, wastewater, treatment plants in Europe (easier to treat than, wastewater, from, tanneries)., In the first biological process (nitrification) the, ammonia nitrogen, is oxidised into nitrate.

(PDF) Ammonia nitrogen in tannery wastewater: Distribution ...
(PDF) Ammonia nitrogen in tannery wastewater: Distribution ...

Tannery, wastewater commonly contains a large amount of, ammonia nitrogen, (NH 3 -N) and total nitrogen (TN) due to the addition of, ammonium, salts in deliming and bating and the removal of...

(PDF) Nitrogen removal from tannery wastewater by protein ...
(PDF) Nitrogen removal from tannery wastewater by protein ...

discharge significant amounts of nitrogen e.g., tanneries,, slaughterhouses, fertilizer indus- tries etc. Nitrogen, in the form of ammonia and organic nitrogen, has generally been removed by...

Chemical Engineering Journal Journal Impact IF 2020-2021 ...
Chemical Engineering Journal Journal Impact IF 2020-2021 ...

An ,acid,-resistant magnetic Nb-substituted crystalline silicotitanate for selective separation of strontium and/or cesium ions from ... Fenton oxidation and chromium recovery ,from tannery wastewater, by means of iron-based coated biomass as heterogeneous catalyst in fixed-bed ... (SBBR) for enhancing ,nitrogen, removal of real domestic ,wastewater,:

Determination of Biological Oxygen Demand (BOD) in Waste ...
Determination of Biological Oxygen Demand (BOD) in Waste ...

The sample should ,be neutralized, in the following manner. ... if 2.1 ml of 1N sulfuric ,acid, or ,sodium hydroxide, are used to neutralize 50 ml of sample to pH 7.00 ±0.2. ... Chlorine is a strong oxidizing agent and it ,can, inhibit the microbial growth during ,wastewater BOD, analysis, ...

Characteristics of wastes from Tannery industries. - Envibrary
Characteristics of wastes from Tannery industries. - Envibrary

The final composite, tannery, effluents (wastewater) contain a high load of organic matter, dissolved and suspended solids, organic nitrogen, and ammonia, and possess high pH. pH values The pH values of the effluents at various leather manufacturing stages ranged from 3.8 to 12.5 depending on the strength and amounts of the reagents used.

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