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Removal of heavy metals from acidic wastewater by sodium sulfide

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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Removal of heavy metals from acidic wastewater by sodium sulfide
Evolving face of hydraulic fracturing encourages evolution ...
Evolving face of hydraulic fracturing encourages evolution ...

Evolving face ,of hydraulic fracturing encourages evolution of, water ,treatment, ... thanks to the large amount of water needed as well as the need to handle ,flowback, and produced water. As ,fracturing, ... “Water sourcing is on a large or small scale for long-term developments or simply transporting to a site for ,drilling,, completion and ,fracturing,.

Disposal of Produced Water from Oil & Gas Exploration
Disposal of Produced Water from Oil & Gas Exploration

70% of the original fracture ,fluid, volume (US DOE 2009) and recovery time of the produced water varies from several hours to several weeks. There are several options for disposing of ,flowback, and produced waters. Some options include injection into an underground disposal well, discharge to a nearby surface

Innovative Treatment of Shale Fracturing Flowback and ...
Innovative Treatment of Shale Fracturing Flowback and ...

horizontal ,drilling, operations which produce a variety of wastewater products (e.g., ,fracturing,, produced, and ,flowback, waters) that must be treated for ,reuse, and/or disposal. ,Fracturing, water requirements range from 3 to 5 million gallons in a horizontal well, approximately 10 to 30-percent released from the well as ,flowback, water when

Optimizing Water Management in Hydraulic Fracturing for ...
Optimizing Water Management in Hydraulic Fracturing for ...

Some ,drilling, operators elect to ,re-use, a portion of the wastewater to replace and/or supplement fresh water in formulating ,fracturing fluid, for a future well or re-,fracturing, the same well. ,Re-use, of shale oil and gas wastewater is, in part, dependent on the levels of pollutants in the wastewater and the proximity of other ,fracturing, sites that might ,re-use, the wastewater.

Optimizing Water Management in Hydraulic Fracturing for ...
Optimizing Water Management in Hydraulic Fracturing for ...

Some ,drilling, operators elect to ,re-use, a portion of the wastewater to replace and/or supplement fresh water in formulating ,fracturing fluid, for a future well or re-,fracturing, the same well. ,Re-use, of shale oil and gas wastewater is, in part, dependent on the levels of pollutants in the wastewater and the proximity of other ,fracturing, sites that might ,re-use, the wastewater.

Microbial communities in flowback water impoundments from ...
Microbial communities in flowback water impoundments from ...

This water is referred to as ‘flowback’, and the period of flowback is variable but commonly lasts 2 weeks. The flowback is captured and temporarily impounded at the surface for durations ranging from a week to several months prior to treatment and disposal or reuse for subsequent hydraulic fracturing.

Hydraulic Fracturing Wastewater Treatment CEE155
Hydraulic Fracturing Wastewater Treatment CEE155

CEE 155 Hydraulic ,fracturing, wastewater: ,Treatment, challenges, options and innovations Group 1 Adam Richardson, Annie Yu, Reilly Clewes and Scott Braithw…

Evolving face of hydraulic fracturing encourages evolution ...
Evolving face of hydraulic fracturing encourages evolution ...

Evolving face ,of hydraulic fracturing encourages evolution of, water ,treatment, ... thanks to the large amount of water needed as well as the need to handle ,flowback, and produced water. As ,fracturing, ... “Water sourcing is on a large or small scale for long-term developments or simply transporting to a site for ,drilling,, completion and ,fracturing,.

Optimizing Water Management in Hydraulic Fracturing for ...
Optimizing Water Management in Hydraulic Fracturing for ...

Some ,drilling, operators elect to ,re-use, a portion of the wastewater to replace and/or supplement fresh water in formulating ,fracturing fluid, for a future well or re-,fracturing, the same well. ,Re-use, of shale oil and gas wastewater is, in part, dependent on the levels of pollutants in the wastewater and the proximity of other ,fracturing, sites that might ,re-use, the wastewater.

(PDF) Hydraulic fracturing wastewater in Germany ...
(PDF) Hydraulic fracturing wastewater in Germany ...

In particular, the discussion on the environmental impact of the storage, transport, and disposal of waste and wastewater from hydraulic ,fracturing, operations, is among other relevant issues, a matter of concern in Germany ( Borchardt et al. 2012).Several studies focus on conventional oil and gas produced water and frac ,fluid,-,flowback, in the US (e.g., All Consulting 2003;Gregory et al. 2011 ...

Treating Water From Hydraulic Fracturing
Treating Water From Hydraulic Fracturing

After fracking, roughly 35% of the water returns to the surface as ,flowback, in the first weeks. Additional liquid known as produced water—a mix of fracking ,fluid, and groundwater—comes up with ...

Frac Water and Flowback
Frac Water and Flowback

Onsite water ,treatment, can provide almost unlimited ,reuse, of the ,Flowback, water and greatly reduce the need for truck hauling. In addition to the benefits of less hauling, many locations have scarce supplies of fresh water that is available for use as frac water. So, ,reuse, of the ,Flowback, water can

Hydraulic Fracturing Wastewater: Treatment Methods for ...
Hydraulic Fracturing Wastewater: Treatment Methods for ...

Hydraulic ,Fracturing, Wastewater: ,Treatment, Methods for ,Flowback, and Produced and Water Claire Cummins Union College - Schenectady, NY Follow this and additional works at:https://digitalworks.union.edu/theses Part of theEnvironmental Monitoring Commons, and theOil, Gas, and Energy Commons

THESIS A COMPARISON OF ELECTROCOAGULATION AND …
THESIS A COMPARISON OF ELECTROCOAGULATION AND …

creation of hydraulic fracturing fluid for other production wells, creating a closed-loop system. Before flowback and produced water can be reused, treatment of the water is required. Treatment for reuse typically consists of removal of solids, organic compounds, and some. inorganic ions.

Treating Water From Hydraulic Fracturing
Treating Water From Hydraulic Fracturing

After fracking, roughly 35% of the water returns to the surface as ,flowback, in the first weeks. Additional liquid known as produced water—a mix of fracking ,fluid, and groundwater—comes up with ...

Water Management for Hydraulic Fracturing in ...
Water Management for Hydraulic Fracturing in ...

Water Management for Hydraulic ,Fracturing, in Unconventional Resources—Part 2 Properties and Characteristics of ,Flowback, Fluids In this second article of a series covering water management in hydraulic ,fracturing, (HF) in unconventional resources, the properties and characteristics of the ,flowback, fluids are discussed, together with the general categories of technologies that are best suited ...

Operators See Range of Options for Treating Flowback Water
Operators See Range of Options for Treating Flowback Water

He spoke at a webinar, titled “,Treatment, Options for ,Reuse, of Fracture ,Flowback, Produced Waters,” sponsored by the SPE Production and Operations Advisory Committee. A typical hydraulic ,fracturing, job can require 1 to 1.5 million gal of water, presenting a challenge to operators who often have to bring the water to the wellsite by truck, store it on site in tanks, and then treat it before use.

Hydraulic Fracturing Wastewater: Treatment Methods for ...
Hydraulic Fracturing Wastewater: Treatment Methods for ...

Hydraulic ,Fracturing, Wastewater: ,Treatment, Methods for ,Flowback, and Produced and Water Claire Cummins Union College - Schenectady, NY Follow this and additional works at:https://digitalworks.union.edu/theses Part of theEnvironmental Monitoring Commons, and theOil, Gas, and Energy Commons

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