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High concentration acid 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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High concentration acid wastewater
Ammonia Nitrogen Absorption Tower | Water Pretreatment ...
Ammonia Nitrogen Absorption Tower | Water Pretreatment ...

In the surface of the injecting material, the water or sulfuric, acid absorbs, the, ammonia, gas and flows into the bottom of liquid storage tank. The, ammonia, gas that not be, absorbed, completely will rises into the first stage, water, shower pipe, and there will squirt the, absorbing, liquid from the …

rvt Ammonia Recovery 10Jan29 - SSWM
rvt Ammonia Recovery 10Jan29 - SSWM

With air stripping, the ammonia containing off gases can be discharged either by combustion or by absorption with an acid scrubbing process. In the scrubber stage ammonia is absorbed by sulfuric acid. The end product is a concentrated salt solution which is mainly used as liquid fertilizer. Ammonia recovery by air stripping. steam, air influent stream

Ammonia recovery from wastewater using a ...
Ammonia recovery from wastewater using a ...

Ammonia recovery from, wastewater, was achieved by developing a bioelectrochemical membrane-absorbed ammonia system with authigenic acid and base. With the microbial electrolysis desalination, the cathode chamber of the system produced base to raise wastewater pH value and convert ammonium to free ammonia, and the acid chamber simultaneously produced ...

Methods of ammonia removal in anaerobic digestion: a ...
Methods of ammonia removal in anaerobic digestion: a ...

A successful air stripping as pretreatment step was performed by Zhang et al. to increase the methane yield from AD of piggery wastewater. The ammonia stripping pre-treatment showed that the removal of ammonia seemed to be dependent on pH and aeration rate, and particularly, it could be an option at alkaline pH levels to prevent digester failure during anaerobic treatment of raw piggery wastewater.

Recovery of ammonia in anaerobic digestate using vacuum ...
Recovery of ammonia in anaerobic digestate using vacuum ...

Recently, a process of vacuum thermal stripping coupled with acid absorption was invented to recover ammonia from digestate and ammonia-rich wastewater (Ukwuani & Tao 2016). It appears to be the most efficient ammonia recovery process, stripping ≥93% of ammonia out of dairy manure digestate and swine manure in 1–3 h ( Ukwuani & Tao 2016 ; Zhang et al. 2017 ).

Ammonia recovery Removal from liquids and gases
Ammonia recovery Removal from liquids and gases

In the scrubber stage ammonia is absorbed by sulfuric acid. The end product is a concentrated salt solution which is mainly used as liquid fertilizer. Ammonia recovery by air stripping. Air stripper for the treatment of reject water at a wastewater treatment plant.

Ammonia recovery from wastewater using a ...
Ammonia recovery from wastewater using a ...

Therefore, there is a great interest in the recovery of ammonia from, wastewater, for the transformation of the N life cycle. Air-stripping followed by acid absorption has been well-established as an effective process for ammonia recovery from wastewater (Liu et al., 2015; Tao and Ukwuani, 2015; Xiong et al., 2018; Zeng et al., 2006).

Continuous Ammonia Recovery from Wastewaters Using an ...
Continuous Ammonia Recovery from Wastewaters Using an ...

Ammonia recovery from wastewater using a bioelectrochemical membrane-absorbed ammonia system with, authigenic acid, and base. Journal of Cleaner Production 2021, 296 , 126554. https://doi.org/10.1016/j.jclepro.2021.126554; Yong-Uk Shin, Jihun Lim, Chanhee Boo, Seungkwan Hong.

I-Corps Team | wastewater
I-Corps Team | wastewater

VaSA for, Ammonia, Recovery from, Wastewater., Vacuum Stripping and Absorption (VaSA) couples vacuum thermal stripping and, acid absorption, to pull, ammonia, out of ammonia-rich wastewater (e.g., anaerobic digestate, landfill leachate, and source-separated urine) to form, ammonium, sulfate granules, a sellable nitrogen fertilizer and reagent-grade chemical.

Ammonia - Wikipedia
Ammonia - Wikipedia

The amount of ammonia in ammonium salts can be estimated quantitatively by distillation of the salts with sodium or potassium hydroxide, the ammonia evolved being ,absorbed, in a known volume of standard sulfuric ,acid, and the excess of ,acid, then determined volumetrically; or the ammonia may be ,absorbed, in hydrochloric ,acid, and the ammonium chloride so formed precipitated as ammonium …

Optimization in Eugenol Production from Clove Oil with ...
Optimization in Eugenol Production from Clove Oil with ...

acid,[4]. 150 ml of clove oil and put in a flask and NaOH was added with ratios of variables. Saponification reaction time is 45 minutes, and then performed decantation for 1 day. Solids or soaps which formed is then neutralized with hydrochloride ,acid, and reacted for 5 minutes. Decantation process is then ISSN 2354-5917 BOOK II - 731

(PDF) AMMONIA REMOVAL FROM WASTEWATER | Rakesh …
(PDF) AMMONIA REMOVAL FROM WASTEWATER | Rakesh …

This is a physical- chemical process which is compact, highly efficient and easy to operate. Typically, this process is supplied skid-mounted, and can remove, ammonia, from a variety of, wastewaters,. The, ammonia, gas, once degassed from the water, is converted to a variety of fertilizers, such as, ammonia, solution,, ammonium, sulfate or, ammonium, phosphate.

Ammonia Recovery from Wastewaters in Packed Columns
Ammonia Recovery from Wastewaters in Packed Columns

monia, from the, wastewater, is, absorbed, in a suitable, acid, in the second tower. Both towers are operated at the same temperature, eliminating cooling. The circulating air has a very low carbon dioxide content and no scaling will occur., Ammonia, is highly soluble in, water,…

Standard Methods for the Examination of Water and Wastewater
Standard Methods for the Examination of Water and Wastewater

30/6/1986, · After addition of base, the ,ammonia, is distilled from an alkaline medium and ,absorbed, in boric or sulfuric ,acid,. The ,ammonia, may be determined colorimetrically, by ,ammonia,-selective electrode, or by titration with a standard mineral ,acid,. b. Selection of ,ammonia, measurement method: The sensitivity of colorimetric methods

Ammonia - Wikipedia
Ammonia - Wikipedia

The amount of ammonia in ammonium salts can be estimated quantitatively by distillation of the salts with sodium or potassium hydroxide, the ammonia evolved being absorbed in a known volume of standard sulfuric acid and the excess of acid then determined volumetrically; or the ammonia may be absorbed in hydrochloric acid and the ammonium chloride so formed precipitated as ammonium …

From Wastewater Treatment to Sweet Pineapples
From Wastewater Treatment to Sweet Pineapples

In ,wastewater, treatment, ,ammonia, that is removed from sewage used to be ... ,acid, solution. This absorbs the ,ammonia, and produc-es an ammonium-sulfate solution of approx. 40 wt.% (controlled by specific gravity of the solution), ... certain slippage of non-,absorbed ammonia,.

Developing a Vacuum Distillation- Acid Absorption System ...
Developing a Vacuum Distillation- Acid Absorption System ...

Traditional wastewater treatment methods are economically prohibitive to remove ammonia from dairy manure. Our goal is to develop an innovative technology coupling vacuum distillation and acid absorption for sustainable recovery of ammonia from anaerobically digested and undigested dairy manure.

Recovery of ammonia in anaerobic digestate using vacuum ...
Recovery of ammonia in anaerobic digestate using vacuum ...

The stripped, ammonia, is, absorbed, to the acid solution for production of ammonium sulfate, (NH 4) 2 SO 4. When the, acid, solution becomes saturated with (NH 4) 2 SO 4, further reaction of, ammonia, with sulfuric, acid, forms long, white (NH 4) 2 SO 4 crystals.

(PDF) COMBINATION OF OZONATION AND ABSORPTION …
(PDF) COMBINATION OF OZONATION AND ABSORPTION …

As a result, the ammonia in the feed solution decreased by reaction forming ammonium salt in the acid solution.(5)The highest removal efficiency achieved in the experiment is around 91% at pH absorbent of 0.7 and the wastewater circulation rate of 5 Lpm.

AMMONIA REMOVAL FROM WASTEWATER Dr. Rakesh Govind
AMMONIA REMOVAL FROM WASTEWATER Dr. Rakesh Govind

• Membrane Separation: A porous membrane separates the flow of wastewater from the countercurrent flow of sulfuric, acid, solution, with the, ammonium, ion crossing through

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