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Hazardous Waste Regulations

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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Hazardous Waste Regulations
How peracetic acid is changing wastewater treatment
How peracetic acid is changing wastewater treatment

Peracetic ,acid, at a glance. 16,000 municipal ,wastewater, plants in the US treat 45 billion L of sewage each day. 90% of peracetic ,acid,’s disinfection activity happens in the first minute ...

Wastewater - Wikipedia
Wastewater - Wikipedia

27/4/2003, · ,Wastewater, is any water that has been contaminated by human use. ,Wastewater, is "used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff or stormwater, and any sewer inflow or sewer infiltration". Therefore, ,wastewater, is a byproduct of domestic, industrial, commercial or agricultural activities.

Characteristics of Wastewater | Wastewater Management
Characteristics of Wastewater | Wastewater Management

Properly oxidised effluent should have a pH value of about 7.3 or so. A high concentration of either an ,acid, (pH ≪ 7) or alkali (pH ≫ 7) in ,wastewater, is indicative of industrial wastes. The determination of pH value of sewage is important since certain treatment methods depend on proper pH value of the ,wastewater, for their efficient workings.

Chemical Characteristics of Wastewater - SlideShare
Chemical Characteristics of Wastewater - SlideShare

Chemical Characteristics • Wastewater contains chemicals such as, nitrogen, phosphorus, and, levels of dissolved oxygen, as well as others that may affect its composition and pH rating. Highly acidic or alkaline wastewater is probably trade waste and will require pre-treatment before discharge to the sewer.

Wastewater - an overview | ScienceDirect Topics
Wastewater - an overview | ScienceDirect Topics

Wastewater, is a complex matrix containing significant concentrations of solids (total solids 350–1200mg/l), dissolved and particulate matter (,chemical, oxygen demand 250–1000mg/l), microorganisms (up to 109 number/ml), nutrients, heavy metals and micro-pollutants. From: Biosensors and Bioelectronics, 2013.

How Do Wastewater Treatment Plants Work? | SSI
How Do Wastewater Treatment Plants Work? | SSI

This wastewater is highly complex and often has a high chemical content. It contains pharmaceutically active compounds, including antibiotics, hormones, surfactants, and volatile organic compounds (VOCs) that could be hazardous to human health and the environment if accidentally discharged.

Wastewater - Wikipedia
Wastewater - Wikipedia

Wastewater, can contain physical, ,chemical, and biological pollutants. Households may produce ,wastewater, from flush toilets, sinks, dishwashers, washing machines, bath tubs, and showers. Households that use dry toilets produce less ,wastewater, than those that use flush toilets. ,Wastewater, may be conveyed in a sanitary sewer that

Research of acid mine wastewater treatment technology
Research of acid mine wastewater treatment technology

waste water, has the following characteristics [1]: (1) ,contains, several metallic ions, pH value in more than 2 ~ 6; (2) the ,waste water, amount is large, the time is long; (3)the drainage is scattered, and water quality and water amount

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · ,Chemical, (organic): coal, oils and grease, soaps and detergents, rubber, dyes and phenolic compounds. ,Chemical, (inorganics): heavy metals (Cr, Hg, Cu, Cd, Pb, Zn, Ni etc), acids, alkalis, cyanide, and dissolved salts which are either cations (Mg, Ca, K, …

Biological Treatment of Petrochemical Wastewater | IntechOpen
Biological Treatment of Petrochemical Wastewater | IntechOpen

9/4/2018, · Coagulation-flocculation for specific petrochemical wastewater treatment, such as purified terephthalic acid (PTA) production wastewater; the wastewater contains aromatic compounds such as p-toluic acid, benzoic acid, 4-carboxybenzaldehyde, phthalic acid (PA), and terephthalic acid (TA), etc. Ferric chloride is found to be the most effective coagulant with COD removal efficiency at 75.5% at …

(PDF) Chemical aspects of peracetic acid based wastewater ...
(PDF) Chemical aspects of peracetic acid based wastewater ...

Peracetic ,acid, (PAA) has been studied for ,wastewater, disinfection applications for ,some, 30 years and has been shown to be an effective disinfectant against many indicator microbes, including ...

How peracetic acid is changing wastewater treatment
How peracetic acid is changing wastewater treatment

Peracetic acid, at a glance. 16,000 municipal ,wastewater, plants in the US treat 45 billion L of sewage each day. 90% of ,peracetic acid,’s disinfection activity happens in the first minute ...

12 List of Chemicals Used in Wastewater Treatment Plants ...
12 List of Chemicals Used in Wastewater Treatment Plants ...

The next ,chemical, used in ,wastewater treatment, plant is sodium aluminate. Sodium aluminate is a ,chemical, belongs to inorganic compound. The liquid form of it works well as phosphorus remover. ,Wastewater, often ,contains, phosphorus that is a kind of phosporic calcium able to …

Wastewater - Wikipedia
Wastewater - Wikipedia

Wastewater, is any water that has been contaminated by human use. ,Wastewater, is "used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff or stormwater, and any sewer inflow or sewer infiltration". Therefore, ,wastewater, is a byproduct of domestic, industrial, commercial or agricultural activities.

Turning wastewater nutrients into fertilizer
Turning wastewater nutrients into fertilizer

Wastewater contains, large amounts of nitrogen and phosphorus, which are valuable nutrients. NPHarvest is a process developed by Aalto University researchers that allows for the recovery of these ...

Peracetic Acid for Secondary Municipal Wastewater ...
Peracetic Acid for Secondary Municipal Wastewater ...

Wastewater, often ,contains, microorganisms, transition metal ions, and other contaminants. While chlorine is the most common disinfectant used in the municipal ,wastewater, industry, it has two drawbacks: its potential to form unwanted and toxic disinfection by-products such as trihalomethanes (THMs) and its effect of increasing the salinity of ,wastewater,.

Wastewater Management | Encyclopedia.com
Wastewater Management | Encyclopedia.com

Acid, mine drainage. In places where coal is mined, the mineral pyrite is a waste material. A series of complex reactions between pyrite, oxygen, and water result in ,acid, mine drainage. ,Acid, mine drainage is ,wastewater, that is extremely acidic and ,contains, high concentrations of heavy metals.

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