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Treatment of acid wastewater by neutralization process

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 acid wastewater by neutralization process
Effects of process parameters on the degradation of high ...
Effects of process parameters on the degradation of high ...

High salinity ,wastewater, refers to the ,wastewater, with a total salt content of more than 1%, containing a large amount of organic matter, organic heavy metals and radioactive substances (Lefebvre & Moletta 2006).In the chemical industry, many pharmaceuticals and pesticide intermediates (such as chloramphenicol, ciprofloxacin, etc.) are produced, which result in a large amount of ,wastewater,.

9 Things That Causes Water Pollution And Its Possible Solution
9 Things That Causes Water Pollution And Its Possible Solution

In 1938, a Japanese ,factory, discharged a huge amount of mercury metal in Minamata Bay. This heavy metal ,water pollution, contaminated the fish stocks and it took almost ten years for the problem to come to the attention of the authorities. By that time, locals have already consumed the fishes, and about 2,000 residents were poisoned.

9 Things That Causes Water Pollution And Its Possible Solution
9 Things That Causes Water Pollution And Its Possible Solution

In 1938, a Japanese ,factory, discharged a huge amount of mercury metal in Minamata Bay. This heavy metal ,water pollution, contaminated the fish stocks and it took almost ten years for the problem to come to the attention of the authorities. By that time, locals have already consumed the fishes, and about 2,000 residents were poisoned.

A review of polymeric membranes and processes for potable ...
A review of polymeric membranes and processes for potable ...

1/6/2018, · Poor long-term stability in ,acidic, or basic conditions. A variety of materials are used for MF/UF in potable reuse facilities (see Table 4 ) [ [66] , [67] , [68] ]. As an example, polypropylene MF membranes (Evoqua S10T submerged, outside-in configuration) are currently used by Orange County ,Water, District (OCWD), which operates the largest potable reuse facility in the world.

Review and Assessment of Waste and Wastewater Treatment ...
Review and Assessment of Waste and Wastewater Treatment ...

26/8/2016, · The global fruit and vegetable processing industry is growing steadily due to the population growth, the adopted healthier eating patterns by consumers, and the advancements in supply chain management and production processes. The present study is focused on the investigation of the waste and ,wastewater, treatment practices taking place in the Greek sector of processing and preserving …

Environmental Management and Its History ...
Environmental Management and Its History ...

Environmental Management, Lecture: History, Legal, RIsks. Water and Drinking Water. With drinking water quality in mind, the first half of the 20 th Century debated how to control water pollution - at ,wastewater, discharges or by allowing unfettered pollution while treating polluted water at the drinking water plant. Ultimately both have turned out to be needed.

Operation of Wastewater Treatment Plants: A Field Study ...
Operation of Wastewater Treatment Plants: A Field Study ...

Wastewater, Facilities Page GLOSSARY i 3.0 Collection, Treatment, Disposal 3-1 3.1 Collection of ,Wastewater, 3-1 3.10 Sanitary, Storm, and Combined Sewers 3-2 _3_._2_ Treatment Plants 3-5 3.3 Pretreatment 3-8 3.30 General 3-8 3.31 Screening 3-8 3.32 Shredding 3-9 3.33 Grit Chambers 3-10 3.4 Flow Measuring Devices 3-12 3.5 Primary Treatment 3-15 3.6 Secondary Treatment 3-19 3.60 General …

A review on the sustainability of textile industries ...
A review on the sustainability of textile industries ...

Ong et al. conducted several sets of experiments for the removal of either anionic or cationic dye because of most of the ,wastewater, consisted of a mixture of both basic and ,acidic, dyes. Hence, to remove both the types of dye, the authors first chemically modified the rice hull and then used it as an adsorbent for the removal of ,acidic, dyes.

Process Design Manual for Suspended Solids Removal
Process Design Manual for Suspended Solids Removal

The lime demand of a given ,wastewater, is a function of the buffer capacity or alkalinity of the ,wastewater,. Figure 5-9 shows this relationship for a number of different wastewaters (6). 5.5 Other Inorganic Chemicals In addition to aluminum and iron salts and lime a number of other inorganic chemicals have been used in ,wastewater, treatment.

Environmental Management and Its History ...
Environmental Management and Its History ...

Environmental Management, Lecture: History, Legal, RIsks. Water and Drinking Water. With drinking water quality in mind, the first half of the 20 th Century debated how to control water pollution - at ,wastewater, discharges or by allowing unfettered pollution while treating polluted water at the drinking water plant. Ultimately both have turned out to be needed.

Process Design Manual for Suspended Solids Removal
Process Design Manual for Suspended Solids Removal

The lime demand of a given ,wastewater, is a function of the buffer capacity or alkalinity of the ,wastewater,. Figure 5-9 shows this relationship for a number of different wastewaters (6). 5.5 Other Inorganic Chemicals In addition to aluminum and iron salts and lime a number of other inorganic chemicals have been used in ,wastewater, treatment.

Sulfur Reduction at Hyperthermoacidophilic Conditions with ...
Sulfur Reduction at Hyperthermoacidophilic Conditions with ...

The objective with the first system (selective pptn. of copper from ,acidic, mine water contg. a variety of sol. metals) was achieved by maintaining a bioreactor pH of ∼2.2-2.5. The second system was fed with ,acidic, (pH 2.5) synthetic mine water contg. 3 mM of both zinc and ferrous iron, and varying concns. (0.5-30 mM) of aluminum.

Sri Lanka: Support grows for workers’ inquiry into ...
Sri Lanka: Support grows for workers’ inquiry into ...

Residents were demanding the closure of the ,factory, because its ,wastewater, has increased the acidity level in their water supply, causing serious health problems. The government, the opposition parties and the media are seeking to contain and suppress the popular opposition and also cover up the exploitative conditions of workers in the ,factory,.

Treatment of printed circuit board industrial wastewater ...
Treatment of printed circuit board industrial wastewater ...

30/10/2009, · The objectives of this investigation were to combine Fenton method (to first decompose the organic matters) with the FP (to remove residual metal ions in ,wastewater,) into a new procedure and apply it to treat printed circuit board ,wastewater, in order to meet the effluent standards of Taiwan, then examine the feasibility of the procedure, and finally qualify properties of the ferrospinels (or called “sludge” because it is generated from the ,wastewater, …

Operation of Wastewater Treatment Plants: A Field Study ...
Operation of Wastewater Treatment Plants: A Field Study ...

Wastewater, Facilities Page GLOSSARY i 3.0 Collection, Treatment, Disposal 3-1 3.1 Collection of ,Wastewater, 3-1 3.10 Sanitary, Storm, and Combined Sewers 3-2 _3_._2_ Treatment Plants 3-5 3.3 Pretreatment 3-8 3.30 General 3-8 3.31 Screening 3-8 3.32 Shredding 3-9 3.33 Grit Chambers 3-10 3.4 Flow Measuring Devices 3-12 3.5 Primary Treatment 3-15 3.6 Secondary Treatment 3-19 3.60 …

Sulfur Reduction at Hyperthermoacidophilic Conditions with ...
Sulfur Reduction at Hyperthermoacidophilic Conditions with ...

The objective with the first system (selective pptn. of copper from ,acidic, mine water contg. a variety of sol. metals) was achieved by maintaining a bioreactor pH of ∼2.2-2.5. The second system was fed with ,acidic, (pH 2.5) synthetic mine water contg. 3 mM of both zinc and ferrous iron, and varying concns. (0.5-30 mM) of aluminum.

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