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Inorganic Composition Kraft Lime Mud/Green Liquor Dregs

Inorganic Composition Kraft Lime Mud/Green Liquor Dregs 4:1 Lime Mud-Green Liquor Dregs %DC 988 MicroElements/(mg/kg) Al 018 As 274 Ca 326 Ba 425 K 033 Co 51 MgO 272 Cr 798 Na 228 Cd 84 P034 Cu538 Si 06 Hg 005 Loss of Ignition 388 Pb 175 S 10286...

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Green Liquor Clarifiers - YouTube

May 01, 2014· Visit https://googl/1S7Bj1 to view the full video and purchase access to our other Pulping cours Green liquor contains undissolved particulate material called "dregs" In order to be reused in ....

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Non-process element mass balance improves recaust and ,

Non-process element mass balance improves recaust and lime kiln efficiency at Elk Falls mill , period on August 25, 2005 and combined into one composite sample Raw green liquor was a two-sample composite because of a change that , Raw Green Clarified Green Filtered Clarified White Liquor Duplicate Weak Dregs mg/L Liquor Liquor Green Liquor ....

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Paperchain Project: Establishing a New Circular Eco- nomy ,

Meanwhile, Green Liquor Dregs (GLDs) are the largest waste fraction retrieved in the chem-ical recovery cycle at the sulphate pulp mills Approximately 240000 tonnes are landfilled solely in Sweden each year because their only current relevant application is as final landfill cover layers...

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Beneficial use of by-product solids from the kraft ,

Download Citation on ResearchGate | Beneficial use of by-product solids from the kraft recovery cycle | Causticizing residues - slaker grits, green liquor dregs, and excess lime mud - are among ....

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Green liquor dregs dewatering - Alfa Laval

The smelt from the recovery boiler is mixed with weak process water to form green liquor and passes a settling tank where impurities settle to the bottom The dregs from the settling tank are dewatered to recover as much of the green liquor as possible and to minimize disposal costs...

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LimeGreen green liquor filters - ANDRITZ

ANDRITZ PULP & PAPER offers innovative technologies for efficient filtration of green liquor and the handling of dregs in white liquor plant applications These systems can be installed as standalone units in modernization or upgrade situations, and offer truly superior performance when integrated into a modern ANDRITZ LimeLine white liquor plant...

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Green liquor handling - Valmet

Valmet offers products that separate dregs from green liquor and increase the efficiency of the recausticizing process The dregs handling encompasses systems that wash and dewater dregs efficiently with minimal or no mud consumption Valmet has several green-liquor handling equipment alternatives, which all meet the primary aim, to reduce the dregs content...

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Dregs Washing - YouTube

Apr 14, 2014· Green liquor is created when smelt from the recovery boiler is mixed with weak wash in the dissolving tank Any un-dissolved particulate material in the green liquor is termed "dregs"...

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Paperchain Project: Establishing a New Circular Eco- nomy ,

Meanwhile, Green Liquor Dregs (GLDs) are the largest waste fraction retrieved in the chem-ical recovery cycle at the sulphate pulp mills Approximately 240000 tonnes are landfilled solely in Sweden each year because their only current relevant application is as final landfill cover layers...

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Causticizing System - EKCP

green liquor clarifier EIMCO-KCP Green Liquor clarifier is designed to give better effluent clarification than the older multiple tray design at a lower installed cost This unit can also be furnished with provisions for clarified Green Liquor Storage in same unit, thereby eliminating the extra tankage for green liquor storage capacity...

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The moist green liquor dregs are a recycling challenge ,

UPM aims to reach a Zero Solid Waste to Landfill operational status by 2030 This means giving up on landfill waste, at first in Finland and then globally One of the most challenging production side streams to recycle is green liquor dregs: the moist "black ashes" created in the soda recovery boiler while burning dissolved wood material...

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Upper East Side | Asphalt Green

Asphalt Green Upper East Side 31,500,000 Minutes of Recess Enhancement 30,000 Kids learned to swim 750 Kids in free sports leagues 299 Scholarships awarded 151 Fitness classes/week Jackie Fasano: From Swimmer to Triathlete A competitive swimmer growing up, Masters swimmer Jackie Fasano used her skills in the water to transition to ....

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Eliminate Costly Problems of Poor Liquor Filtration

Eliminate Costly Problems of Poor Liquor Filtration Poorly filtered green liquor can cause expensive operational problems downstream A large Japanese paper manufacturer turned to METTLER TOLEDO for a reliable solution Now, not only is poorly filtered liquor no longer an issue, operating costs have been significantly reduced too...

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Characterization of Green Liquor Dregs, Potentially Useful ,

is the alkaline material green liquor dregs (GLD) A physical, mineralogical and chemical characterization of four batches of GLD was carried out to evaluate the potential to use it as a sealing layer in the construction of dry covers on sulphide-bearing mine waste GLD...

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Cesco Solutions » Clarification Principles

Clarification Principl Clarification: The green liquor clarifier, white liquor clarifier and the mud washer are liquid / solids separation devices that work by the same principal of sedimentation Sedimentation is the removal of suspended solids from a liquid by gravity settling , High levels of dregs carry over from the green liquor ....

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2-1 Recausticizing - Principles and Practice

Green Liquor Clarifier Suspended particles in the green liquor are called dregs and are typically removed in a sedimentation clarifier The dregs settle to the bottom and are moved to the center sludge outlet by a rake mechanism Clarified green liquor from the top of the clarifier is used in the lime slaker Green liquor...

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Comparison of Alternatives for Green Liquor Handling ,

Purpose of Green liquor handling To produce green liquor with a low dregs content Dregs Composition Typical dregs content in raw green liquor is 700-1500 mg/l Dregs are composed of: Unburnt carbon from the recovery boiler Trace elements (NPE) from wood chips and purchased lime, magnesium added to O2-delignification and/or bleach plant P-stage...

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Green Liquor - environmentalchemistry

Editor's note: Some chemicals in this database contain more information than others due to the original reason this information was collected and how the compilation was accomplished While working with material safety data sheets (MSDS), I found that manufacturers sometimes used obscure names for constituent chemicals and I didn't always have a good idea of what I was dealing with...

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Green Liquor Dregs as Sealing Layer - Luleå University of ,

Green Liquor Dregs as Sealing Layer Material to Cover Sulphidic Mine Waste Deposits Maria Mäkitalo Luleå University of Technology Department of Civil, Environmental and Natural Resources Engineering...

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Green Liquor Dregs as Sealing Layer - Luleå University of ,

Green Liquor Dregs as Sealing Layer Material to Cover Sulphidic Mine Waste Deposits Maria Mäkitalo Luleå University of Technology Department of Civil, Environmental and Natural Resources Engineering...

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Dregs Washing Training Video - Convergence Training

Green liquor is created when smelt from the recovery boiler is mixed with weak wash in the dissolving tank Any un-dissolved particulate material in the green liquor is termed "dregs" The failure to remove these foreign materials from the green liquor can lead to ,...

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US5972165A - Method of producing oxidized white liquor ,

White liquor produced from black liquor is partially or completed oxidized The white liquor contains dregs that are utilized as a carbon based catalyst Dregs are produced by separating the dregs from green liquor an intermediate product between the black liquor and the oxidized white liquor After formation of the oxidized white liquor, the dregs are separated therefrom to form a waste dreg ....

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GREEN LIQUOR - kpatents

The green liquor clarifier aims to obtain a good clarified green liquor for the slaker This also reduces dregs carryover which causes problems in downstream equipment In the slaker, the clarified green liquor is brought into contact with reburned lime This slaking reaction converts the green liquor into white liquor,...

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The moist green liquor dregs are a recycling challenge ,

UPM aims to reach a Zero Solid Waste to Landfill operational status by 2030 This means giving up on landfill waste, at first in Finland and then globally One of the most challenging production side streams to recycle is green liquor dregs: the moist "black ashes" created in the soda recovery boiler while burning dissolved wood material...

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PAPERCHAIN - acciona-construccion

PAPERCHAIN aims to unlock the potential of a resource efficient model based on industrial symbiosis which will demonstrate the potential of the major non-hazardous waste streams generated by the PPI (ie green liquor dregs, grits, lime mud, paper sludge fly ash, deinking paper and fibre sludge) as valuable secondary raw materials...

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Green liquor dregs handling - valmet

We offer a decanter centrifuge in our dregs dewatering applications for precoat-free lime mud dewatering A robust high-G machine for reliable operation, minimum maintenance and best dregs dryness Vacuum drum filter Washes and dewaters green liquor dregs with high efficiency Simple operation, high availability and minimum maintenance...

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GREEN LIQUOR - kpatents

The green liquor clarifier aims to obtain a good clarified green liquor for the slaker This also reduces dregs carryover which causes problems in downstream equipment In the slaker, the clarified green liquor is brought into contact with reburned lime This slaking reaction converts the green liquor into white liquor,...

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Circular Case 1 - paperChain

Two demonstrations will be carried out to prove the circular model value and application potential The first demonstration will focus on the following waste streams: green liquor dregs and slaker grits These waste streams will be valorised as secondary raw materials for ,...

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Kraft process - Wikipedia

The kraft process (also known as kraft pulping or sulfate process) is a process for conversion of wood into wood pulp, which consists of almost pure cellulose fibers, the main component of paperThe kraft process entails treatment of wood chips with a hot mixture of water, sodium hydroxide (NaOH), and sodium sulfide (Na 2 S), known as white liquor, that breaks the bonds that link lignin ....

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