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Recovery of acid wastewater from nitrate and compound fertilizer

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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Recovery of acid wastewater from nitrate and compound fertilizer
(PDF) Chemical Treatment of Industrial Wastewater
(PDF) Chemical Treatment of Industrial Wastewater

Keywords: Heavy metals, Removal, Chemical coagulation, ,Industrial wastewater,, Precipitation and co-precipitation, Copper, ,Nickel, and Manganese. View full-text Last Updated: 07 Oct 2020

CN102557320A - Method for treating industrial wastewater ...
CN102557320A - Method for treating industrial wastewater ...

The invention discloses a method for treating ,industrial wastewater, containing ammonia, ,nickel,, cobalt and sodium sulfate. The method comprises the following procedures of: distilling the ammonia at high pressure; recovering ,nickel, and cobalt metal from sediment; and distilling at low pressure to recover the sodium sulfate. An advanced low pressure distillation technology is adopted, the ...

Oxygen (O) and water - Water Treatment and Purification
Oxygen (O) and water - Water Treatment and Purification

Oxygen, is the most abundant element on earth. ,Oxygen, exists as O 2 and O 3 (), and is present in a number of compounds including water molecules.It can be found dissolved in water as O 2 molecules. Consequently, the ,oxygen, content of seawater is 85.7%. In what way and in what form does ,oxygen, …

Fifteen industrial wastewater treatment processes | LCDRI CN
Fifteen industrial wastewater treatment processes | LCDRI CN

Industrial wastewater, refers to ,wastewater,, sewage and waste liquid produced in ,industrial, production processes, which contain ,industrial, production materials, intermediate products and products that are lost with water, and pollutants produced during the production process, summarizing chemical ,industrial wastewater,, printing and dyeing ,industrial wastewater,. 15 kinds of ,industrial wastewater, ...

Complete Water Services | Wastewater - Industrial Metal ...
Complete Water Services | Wastewater - Industrial Metal ...

Wastewater, with a high pH is generally neutralized with sulfuric ,acid, (H 2 SO 4), hydrochloric ,acid, (HCl), or carbon dioxide (CO 2). The most common chemicals used are H 2 SO 4 and NaOH. Neutralization can be accomplished by batch ,treatment, or continuous flow processes.

INDUSTRIAL WASTEWATER-TYPES AMOUNTS AND EFFECTS
INDUSTRIAL WASTEWATER-TYPES AMOUNTS AND EFFECTS

various characteristics of ,industrial wastewater,, the ,treatment, of ,industrial wastewater, ... ,nickel,, zinc, cadmium, lead, ... ,acid, pH and high chloride content (up to 5 g Cl/L). It contains a high concentration of COD (about 1500 – 2500 mg/L), ...

Removal of Nickel from Industrial Wastewater Using Date Seeds
Removal of Nickel from Industrial Wastewater Using Date Seeds

Removal ,of Nickel, from ,Industrial Wastewater, Using Date Seeds Senthil kumar Ramaligham1, Wafaa Al-Sumri2, ... ,treatment,. ,Nickel, is a toxic metal and has been known to prevent the sperm, the enzymes amylase, ... is low cost adsorbent. Date seeds are collected, washed and dried and it is soaked in phosphoric ,acid, for 24 hrs.

Heavy Metals Removal Industrial Wastewater Solutions
Heavy Metals Removal Industrial Wastewater Solutions

Heavy Metals Removal Heavy Metals ,Wastewater Treatment, System (Chrome Removal) Chromium is present in the wastewaters of a number of industries, including: stainless steel manufacturing, protective coatings on metal, magnetic tapes, chrome plating, tanneries, textile dyes production, pigments and paint production, production of cement, paper, rubber, etc. Chromium is typically precipitated in ...

(PDF) Industrial Waste Management Treatment and Health ...
(PDF) Industrial Waste Management Treatment and Health ...

The research centered on the management and ,treatment, of ,industrial wastewater,, solid waste, and electronic wastes, as well as their associated health issues and environmental impacts.

Wastewater Treatment Chemicals for High Metals Concentrations
Wastewater Treatment Chemicals for High Metals Concentrations

If you are at a pH > than 2.5 and don’t want to add ,acid,, reduction of hexavalent chrome can be done by the addition of ,wastewater treatment chemicals,. Typical additions are 1-3 mls/gallon of rinses contaminated with hexavalent chrome but may require more. Jar …

Removal of Nickel from Industrial Wastewater Using Date Seeds
Removal of Nickel from Industrial Wastewater Using Date Seeds

Removal ,of Nickel, from ,Industrial Wastewater, Using Date Seeds Senthil kumar Ramaligham1, Wafaa Al-Sumri2, ... ,treatment,. ,Nickel, is a toxic metal and has been known to prevent the sperm, the enzymes amylase, ... is low cost adsorbent. Date seeds are collected, washed and dried and it is soaked in phosphoric ,acid, for 24 hrs.

Seven Basic Principles Of Industrial Wastewater Treatment ...
Seven Basic Principles Of Industrial Wastewater Treatment ...

As ,industrial wastewater, has great impact on the environment and is difficult to treat, some basic principles should be followed in production and ,treatment,. These are summarized as follows: 1. The non-toxic production process should be selected as the first priority to replace or reform the backward production process, and the production of toxic and harmful ,wastewater, should be eliminated or ...

Industrial Wastewater Treatment Guide: Expanded Edition
Industrial Wastewater Treatment Guide: Expanded Edition

Specific ,treatment, processes vary, but a typical ,industrial wastewater treatment, facility process will usually include one or more of the following steps: coagulation ; a process where various chemicals are added to a reaction tank to remove the bulk suspended solids and other various contaminants

US9340434B2 - Recovery of nickel from industrial pickling ...
US9340434B2 - Recovery of nickel from industrial pickling ...

US9340434B2 US13/049,843 US201113049843A US9340434B2 US 9340434 B2 US9340434 B2 US 9340434B2 US 201113049843 A US201113049843 A US 201113049843A US 9340434 B2 US9340434 B2 US 9340434B2 Authority US United States Prior art keywords ,nickel, recovery solution electrolysis boric ,acid, Prior art date 2007-12-08 Legal status (The legal status is an assumption and is not a legal …

Removal Technologies in Wastewater Treatment | IWA Publishing
Removal Technologies in Wastewater Treatment | IWA Publishing

Copper, ,nickel,, zinc, manganese etc. are co-precipitated in Fe oxides and cobalt, iron, ,nickel, and zinc are co-precipitated in manganese oxides (Stumm and Morgan, 1981; Noller et al., 1994). Even though chemical precipitation is a widely used method, it has the drawbacks of producing large amount of concentrated and further toxic sludge wastes, which leads to disposal problems.

Industrial Wastewater Treatment in Saudi Arabia Water ...
Industrial Wastewater Treatment in Saudi Arabia Water ...

Industrial Wastewater treatment, technology . Although the conventional methods like, coagulation / flocculation, sedimentation, filtration, and disinfection are promising for the ,industrial waste water treatment,, some of the chemical pollutants cannot be eliminated using such methods, hence the need to use integrated advanced ,treatment, process technologies.

Industrial Wastewater Treatment Solutions | Hach
Industrial Wastewater Treatment Solutions | Hach

Having the correct C/N/P balance is critical for biological ,wastewater treatment,. Hach’s RTC C/N/P system optimizes the dosing of nutrients like urea and phosphoric ,acid, in ,industrial wastewater treatment, plants, ensuring compliance on COD / BOD, NH4 and PO4. Cost for effluent discharges and on chemicals added are driven to an absolute minimum.

Wastewater Treatment Chemicals for High Metals Concentrations
Wastewater Treatment Chemicals for High Metals Concentrations

If you are at a pH > than 2.5 and don’t want to add ,acid,, reduction of hexavalent chrome can be done by the addition of ,wastewater treatment chemicals,. Typical additions are 1-3 mls/gallon of rinses contaminated with hexavalent chrome but may require more. Jar …

Industrial Wastewater Treatment | Services | ChemTreat Inc.
Industrial Wastewater Treatment | Services | ChemTreat Inc.

Industrial wastewater treatment, requires appropriate technologies as well as proper application. ... The ratio of acrylic ,acid, to acrylamide determines the degree of charge on the molecule. ... chromium, ,nickel,, and manganese. These contaminants can enter ,wastewater, streams from a variety of ,industrial, processes, and if untreated, ...

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