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Sulfuration is related to the acidity of 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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Sulfuration is related to the acidity of wastewater
Research Progress of Natural Polymers in Wastewater ...
Research Progress of Natural Polymers in Wastewater ...

Keywords:,Wastewater, treatment, natural polymer, ,environmental, protection, flocculants, absorbent, chitosan. Abstract: With the development of industry, urbanization, increasingly stringent ,environmental, protection requirements, and strengthening of people’s ,environmental, awareness, green treatment of pollutants has become a research hotspot in the field of ,environmental, protection.

Potential Application of Propionic Acid Modified Sugarcane ...
Potential Application of Propionic Acid Modified Sugarcane ...

3/2/2012, · The colored wastewater discharged into environmental bodies of water is not only an esthetically unpleasant but also interferes with light penetration and reduce photosynthetic action. Many dyes or their metabolites have toxic as well as carcinogenic, mutagenic, and teratogenic effects on aquatic life and humans 3 .

Potential Risks of Effluent from Acid Mine Drainage ...
Potential Risks of Effluent from Acid Mine Drainage ...

Seo, J., Kang, S., Ji, W. et al. ,Potential, Risks of Effluent from ,Acid Mine Drainage Treatment Plants at Abandoned Coal, Mines. Bull Environ Contam Toxicol 88, 990–996 (2012). https://doi.org/10.1007/s00128-012-0592-0. Download citation. Received: 28 October 2011. Accepted: 01 March 2012. Published: 14 March 2012. Issue Date: June 2012

Hazardous waste - Wikipedia
Hazardous waste - Wikipedia

Hazardous waste is waste that has substantial or potential threats to public health or the environment. Characteristic hazardous wastes are materials that are known or tested to exhibit one or more of the following hazardous traits: Ignitability Reactivity Corrosivity Toxicity Listed hazardous wastes are materials specifically listed by regulatory authorities as hazardous wastes which are from non-specific …

Pre-treatment potential of electro-coagulation process ...
Pre-treatment potential of electro-coagulation process ...

This study aimed at investigating the ,potential, of electrocoagulation (EC) process using Al-Al and Al-Ti electrodes for the pre-treatment of instant coffee processing ,wastewater,. Effects of various operating conditions, including cell voltage, time of treatment, inter-electrode distance, pH of solution, solution conductivity and agitation speed on the removals of chemical oxygen demand (COD) and color were …

Acid mine drainage - Wikipedia
Acid mine drainage - Wikipedia

Acid mine drainage,, ,acid, and metalliferous drainage, or ,acid, rock drainage is the outflow of acidic water from metal mines or coal mines. ,Acid, rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks containing an abundance of sulfide minerals. Areas where the earth has been disturbed may create ,acid, …

Textile dyeing industry an environmental hazard
Textile dyeing industry an environmental hazard

Presence of sulphur, naphthol, vat dyes, nitrates, acetic ,acid,, soaps, enzymes chromium compounds and heavy metals like copper, arsenic, lead, cad- mium, mercury, nickel, and cobalt and certain auxiliary chemicals all collectively make the textile effluent highly toxic.

Textile dyeing industry an environmental hazard
Textile dyeing industry an environmental hazard

All the organic materials present in the ,wastewater, from a textile industry are of great concern in water treatment because they react with many disinfectants especially chlorine. Chemicals evaporate into the air we breathe or are absorbed through our skin and show up as allergic reactions and may cause harm to children even before birth.

Textile dyeing industry an environmental hazard
Textile dyeing industry an environmental hazard

All the organic materials present in the wastewater from a textile industry are of great concern in water treatment because they react with many disinfectants especially chlorine. Chemicals evaporate into the air we breathe or are absorbed through our skin and show up as allergic reactions and may cause harm to children even before birth.

Profiling Bacterial Diversity and Potential Pathogens in ...
Profiling Bacterial Diversity and Potential Pathogens in ...

raw and treated ,wastewater, is still considered a ,potential hazard, and health risk to the public [6,12,14]. At present, most WWTPs assess the quality of water based on biological indicators, such as the total coliforms and fecal coliforms [20], as well as physical and chemical indicators [13,21]. However, these

Ethylene Glycol - United States Environmental Protection ...
Ethylene Glycol - United States Environmental Protection ...

Sources and Potential Exposure Dermal or inhalation exposure to workers may occur during the manufacture or use of the chemical. (1) Ethylene glycol may be discharged into wastewater from its production and use. It may also enter the environment from its uses in deicing airplane runways and from spills and improper disposal of used

Hazardous waste - Wikipedia
Hazardous waste - Wikipedia

Hazardous waste, is waste that has substantial or ,potential, threats to public health or the environment. Characteristic hazardous wastes are materials that are known or tested to exhibit one or more of the following hazardous traits: Ignitability Reactivity Corrosivity Toxicity Listed hazardous wastes are materials specifically listed by regulatory authorities as hazardous wastes which are from non-specific …

Selective Capacitive Removal of Pb2+ from Wastewater over ...
Selective Capacitive Removal of Pb2+ from Wastewater over ...

Water pollution has become an environmental hazard. Diverse metal cations exist in wastewater; lead is the most common heavy metal pollutant among them. Selective removal of highly toxic and ultradiluted lead ions from wastewater is a major challenge for water purification.

Treating Metal Finishing Wastewater
Treating Metal Finishing Wastewater

Wastewater from metal finishing industries contains contaminants such as heavy metals, organic substances, cyanides, and suspended solids, at levels which are hazardous to the environment and pose potential health risks to the public. Heavy metals, in particular, are of great concern because of their

Potential Risks of Effluent from Acid Mine Drainage ...
Potential Risks of Effluent from Acid Mine Drainage ...

Seo, J., Kang, S., Ji, W. et al. ,Potential, Risks of Effluent from ,Acid Mine Drainage Treatment Plants at Abandoned Coal, Mines. Bull Environ Contam Toxicol 88, 990–996 (2012). https://doi.org/10.1007/s00128-012-0592-0. Download citation. Received: 28 October 2011. Accepted: 01 March 2012. Published: 14 March 2012. Issue Date: June 2012

Acid mine drainage - Wikipedia
Acid mine drainage - Wikipedia

Acid mine drainage, acid and metalliferous drainage, or acid rock drainage is the outflow of acidic water from metal mines or coal mines. Acid rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks containing an abundance of sulfide …

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