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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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gas testing waste water emission treatment centers near me
Reactive Dye - an overview | ScienceDirect Topics
Reactive Dye - an overview | ScienceDirect Topics

Reactive dyes, with ,sodium, salt of sulphonic ,acid, groups, are soluble in water and consist of chlorotriazine (Figure 4.4) or vinyl sulphone reactive groups. They react with the amino group of silk fibroin in the presence of alkali, such as ,sodium silicate,, ,sodium, carbonate, or ,sodium, hydroxide.

Phosphorus pentoxide | P2O5 - PubChem
Phosphorus pentoxide | P2O5 - PubChem

Approx 0.1-10 g/l ,wastewater, of fine amorphous or crystalline particles of aluminosilicate or alkaline earth aluminum ,silicate, is added to the water with the flocculant commonly used. Thus, aluminosilicate 0.5 g and Al2(SO4)3 640 mg Al are added to 1 l ,wastewater, containing COD 2050 and P2O5 486 mg; the COD and P2O5 removal rates are 82 and 95% respectively, with the good filterability for the ...

Industry Wastewater Treatment - HUMINTECH
Industry Wastewater Treatment - HUMINTECH

Humic acids, are used most effectively in particular in the stage subsequent to chemical treatment of water. A chemical treatment leads to the precipitation of metals by means of calcium hydroxide or sodium hydroxide. Adding, humic acids, improves the process and lowers the concentrations of undesirable ions below the permissible limit.

Precipitation treatment of effluent acidic wastewater from ...
Precipitation treatment of effluent acidic wastewater from ...

26/2/2014, · This solution was used for potentiometric titration of synthetic ,acid, mixtures. ,Calcium hydroxide, powder (Merck®) was used for precipitation experiments. Dionized water was used for the preparation of all solutions and washing up the labware used in …

Lime (Calcium Hydroxide) for use in pH Neutralization Systems
Lime (Calcium Hydroxide) for use in pH Neutralization Systems

Lime, as Calcium Hydroxide can be a very good choice for a base for the neutralization of acidic wastewater

Recent trends and developments in Fenton processes for ...
Recent trends and developments in Fenton processes for ...

At least 41 types of natural zeolites are known to exist, and several others may be synthesized, particularly by reaction of ,sodium, aluminate with ,sodium silicate,. The catalysts can be obtained by impregnation of synthetic zeolite with ferric ions followed by calcination, or by IE of ,sodium, in zeolite with ferric ions ( Poza-Nogueiras et al., 2018 ; Soon and Hameed, 2011 ).

GWT - Treatment Media & Flocculants - Treatment Medias
GWT - Treatment Media & Flocculants - Treatment Medias

NatZeo is an inorganic micro porous alumino-,silicate, material with many unique filtration properties including a high cation exchange capacity (CEC). GWT Natzeo treatment media: is a cost effective, environmentally safe solution for treating both water and ,wastewater, treatment & reuse applications.

Magnesium hydroxide - Wikipedia
Magnesium hydroxide - Wikipedia

As an antacid, ,magnesium hydroxide, is dosed at approximately 0.5–1.5 g in adults and works by simple neutralization, by which the hydroxide ions from the Mg(OH) 2 combine with acidic H + ions produced in the form of hydrochloric ,acid, by parietal cells in the stomach, to produce water.

Acidic Wastewater Treatment - OMEX : OMEX
Acidic Wastewater Treatment - OMEX : OMEX

Traditionally, sodium hydroxide (caustic soda) and, calcium hydroxide, (lime) have been used to neutralise, acidic wastewater., However, these compounds are reactive and can cause high pH levels if not controlled correctly. The Magmex range is the environmentally friendly answer for, acidic wastewater treatment,.

CN103159342B - Hydrofluoric acid wastewater treatment ...
CN103159342B - Hydrofluoric acid wastewater treatment ...

The invention relates to a hydrofluoric, acid wastewater, treatment method for treating, wastewater, after etching glass substrates. According to the invention, acid, calcium salt and calcium hydroxide...

Humic acid as waste water treatment - BioAg Europe
Humic acid as waste water treatment - BioAg Europe

In the chemical ,treatment, of ,waste water,, ,calcium hydroxide, or sodium ,hydroxide, are used to aid precipitation of metals. Adding humic ,acid, improves the process and lowers the concentrations of undesirable ions below the permissible limit. As stated above, it is also possible to use humic ,acid, to remove toxic metals from water.

Paper chemicals - Wikipedia
Paper chemicals - Wikipedia

Pulping. Chemical pulping involves dissolving lignin in order to extract the cellulose from the wood fiber. The different processes of chemical pulping include the Kraft process, which uses caustic soda and ,sodium, sulfide and is the most common; alternatively, the use of sulfurous ,acid, is known as the sulfite process, the neutral sulfite semichemical is treated as a third process separate from ...

Industry Wastewater Treatment - HUMINTECH
Industry Wastewater Treatment - HUMINTECH

Humic acids are used most effectively in particular in the stage subsequent to chemical treatment of water. A chemical treatment leads to the precipitation of metals by means of calcium hydroxide or sodium hydroxide. Adding humic acids improves the process and lowers the concentrations of undesirable ions below the permissible limit.

Home - Chemtrade Logistics Inc.
Home - Chemtrade Logistics Inc.

Chemtrade. Like elements acting in partnership to create the chemical products we sell, Chemtrade is strengthened by the many people, groups and organizations we are fortunate to call partners.. Supported by strong connections, we have created a safe and rewarding work environment from which our valued personnel deliver high-quality products and services to customers throughout North America ...

Aluminum potassium sulfate | KAl(SO4)2 - PubChem
Aluminum potassium sulfate | KAl(SO4)2 - PubChem

Potassium alum is considered by the FDA as a generally recognized as safe (GRAS) substance. It is an inorganic salt, also called potassium aluminum sulfate with a formula of AlK(SO4)2 that is predominantly produced in the dodecahydrate form (AlK(SO4)2 * 12H2O).

CN103159342B - Hydrofluoric acid wastewater treatment ...
CN103159342B - Hydrofluoric acid wastewater treatment ...

The invention relates to a hydrofluoric acid wastewater treatment method for treating wastewater after etching glass substrates. According to the invention, acid, calcium salt and calcium hydroxide...

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