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Treatment of acidic and alkaline 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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Treatment of acidic and alkaline wastewater
Journal of Water Process Engineering
Journal of Water Process Engineering

acid wastewater, is a global critical issue. Removal of arsenic with chemical precipitation is currently the most common meth-∗ Corresponding author. E-mail address: dydu666@mail.scuec.edu.cn (D. Du). ods. Traditional precipitants like ferric salt [5], ,lime, [6] and sulfide [7] show good performance. Combination of ,lime, neutralization

The treatment of chromium containing wastewater using ...
The treatment of chromium containing wastewater using ...

15/9/2017, · The treatment of chromium containing wastewater using, electrocoagulation, and, the production of ceramic pigments from the resulting sludge

Gypsum as coagulant for waste water treatment
Gypsum as coagulant for waste water treatment

If the system uses a lot of sulfuric ,acid, and uses ,lime, as a ,neutralizer, and doesn't use any other coagulating agent, then one might argue that gypsum (calcium sulfate, the reaction product of ,lime, or calcium hydroxide and sulfuric ,acid,) is the coagulant.

Treatment of wastewater containing toxic chromium using ...
Treatment of wastewater containing toxic chromium using ...

21/3/2008, · ,Treatment, of ,wastewater containing, toxic ,chromium, using new activated carbon developed from date palm seed. El Nemr A(1), Khaled A, Abdelwahab O, El-Sikaily A. Author information: (1)Department of Pollution, Environmental Division, National Institute of Oceanography and Fisheries, El-Anfoushy, Kayet Bey, Alexandria, Egypt.

Evaluation and optimization of a new microbial enhancement ...
Evaluation and optimization of a new microbial enhancement ...

wastewater, with minimum investment and maintenance costs. Examples of active methods include aerobic/anaerobic wetlands, anoxic limestone drains, and permeable reactive treatment zones (PRTZs).5 At present, ,lime, neutralization is widely adopted owing to its convenience and speed and it can raise the pH level and remove Fe and SO 4 2 from the AMD

Treatment of Effluents of Fertilizer Industry ...
Treatment of Effluents of Fertilizer Industry ...

Nitric ,Acid, and Sulphuric ,Acid, ... they may be mixed suitable for neutralization. Otherwise for neutralization of acidic effluent, ,lime, or soda ash may be used and for neutralization of alkaline effluent ... readily float on these separators and the depth of the weir is adjusted according to the amount of oil present in the ,wastewater,.

Evaluation and optimization of a new microbial enhancement ...
Evaluation and optimization of a new microbial enhancement ...

wastewater, with minimum investment and maintenance costs. Examples of active methods include aerobic/anaerobic wetlands, anoxic limestone drains, and permeable reactive treatment zones (PRTZs).5 At present, ,lime, neutralization is widely adopted owing to its convenience and speed and it can raise the pH level and remove Fe and SO 4 2 from the AMD

Sulphate Removal Wastewater Treatment Recycling in ...
Sulphate Removal Wastewater Treatment Recycling in ...

A. Timur: you should probably use ,lime, for your ,wastewater, treatment, which should reduce the sulphate at point of treatment to about 2400 ppm (based on the solubility of calcium sulphate in water). If you then end up diluting it by mixing this treatment stream with other streams, you will hopefully reach your 1200 ppm. John: Kudos to Australia for a well-reasoned approach!

Treatment of Effluents of Fertilizer Industry ...
Treatment of Effluents of Fertilizer Industry ...

Nitric ,Acid, and Sulphuric ,Acid, ... they may be mixed suitable for neutralization. Otherwise for neutralization of acidic effluent, ,lime, or soda ash may be used and for neutralization of alkaline effluent ... readily float on these separators and the depth of the weir is adjusted according to the amount of oil present in the ,wastewater,.

What is the pH Level of Water? For Tap Pure or Filtered Water
What is the pH Level of Water? For Tap Pure or Filtered Water

Similarly, the discharge of ,wastewater, towards lakes includes soap-based substances, which are mostly alkaline, which increases the pH level of ,water,. On the other hand, ,wastewater, treatment facilities are required to adjust the pH levels of ,wastewater, that are outside of acceptable limits (U.S. E.P.A. range 5 – 10) that are to be discharged into streams or estuaries.

(PDF) Photocatalytic treatment of industrial wastewater ...
(PDF) Photocatalytic treatment of industrial wastewater ...

The study, depicted in Figs. 4 and 5, reveals maximum treatment efficiency of total chromium reduction with citric acid, 24.84% and increasing, H 2 O 2 concentration, up to 20-100 ml/l to reduce 15.12%, 32.64%, 40.57%, 58.70%, and 61.03%, that is more efficient than the, H 2 O 2, /UV process.

Blue Green Stains From Acidic Water Help | Solution Center ...
Blue Green Stains From Acidic Water Help | Solution Center ...

Sources ,of Acid, Water. Groundwater is different than surface water, as it tends to have a slightly lower than average pH than surface water. Water’s pH can change with the variants of rock formations. Limestone works as an ,acid neutralizer,, while granite does not.

Mining | Water for all
Mining | Water for all

Mining, generates millions of gallons of ,wastewater, and, along with industrial ,wastewater, and sewage, is one of the main sources of water pollution [1]. ,Mining, produces mainly tailings (the waste materials left after the valuable ore is separated out) and overburden (the waste materials removed to reach the ore).

Mining | Water for all
Mining | Water for all

Mining, generates millions of gallons of ,wastewater, and, along with industrial ,wastewater, and sewage, is one of the main sources of water pollution [1]. ,Mining, produces mainly tailings (the waste materials left after the valuable ore is separated out) and overburden (the waste materials removed to reach the ore).

Acidic Water Signs and Solutions | Solution Center ...
Acidic Water Signs and Solutions | Solution Center ...

Sources ,of Acid, Water. Groundwater is different than surface water, as it tends to have a slightly lower than average pH than surface water. Water’s pH can change with the variants of rock formations. Limestone works as an ,acid neutralizer,, while granite does not.

Industrial Calcium Remover - Struvite Wastewater Treatment ...
Industrial Calcium Remover - Struvite Wastewater Treatment ...

Our product is a buffered ,acid, for limescale and calcium carbonate removal whereas other acids such as hydrochloric, phosphoric and others have been used for clearing scale but have been extremely hazardous, corrosive, and not safe to handle. For a free sample, consultation, or more information please contact us today!

Treatment of high-concentration chromium-containing ...
Treatment of high-concentration chromium-containing ...

Biological treatment of, chromium-containing wastewater, has great potential due to its economy, efficiency and safety (Pradhan et al. 2017). In the late 1970s, Romanenko & Koren'Kov (1977) isolated a genus (Pseudomonas) that can reduce, Cr, (VI) under anaerobic conditions. This was the first report of microbial reduction of, Cr, (VI).

Industrial Calcium Remover - Struvite Wastewater Treatment ...
Industrial Calcium Remover - Struvite Wastewater Treatment ...

Our product is a buffered ,acid, for limescale and calcium carbonate removal whereas other acids such as hydrochloric, phosphoric and others have been used for clearing scale but have been extremely hazardous, corrosive, and not safe to handle. For a free sample, consultation, or more information please contact us today!

L- 10 Neutralization
L- 10 Neutralization

3. ,Lime,----Slurry Treatment for ,Acid, WastesSlurry Treatment for ,Acid, Wastes Mixing ,acid, wastes with ,lime, slurries is an effective procedure for neutralization. The reaction is similar to that obtained with limestone beds. In this case, however, ,lime, is used up continuously because it is converted to calcium sulfate and carried out in the waste.

BCR Environmental Receives PFRP Approval – Pollution ...
BCR Environmental Receives PFRP Approval – Pollution ...

The ,Neutralizer,® is a physical, chemical, batch process that incorporates the use of chemistry to generate a Class A biosolids that may be registered as a commercial fertilizer. As such, the ,Neutralizer,® system utilizes >95% less energy than alternative biosolid treatments such as digesters, dryers or incinerators, and ,lime, stabilization.

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