ISO 10086-2:2004 PDF

Name: ISO 10086-2:2004 — Coal — Methods for evaluating flocculants for use in coal preparation — Part 2: Flocculants as filter aids in rotary vacuum filtration systems
SKU: ISO 10086-2:2004
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Coal — Methods for evaluating flocculants for use in coal preparation — Part 2: Flocculants as filter aids in rotary vacuum filtration systems

Название (английский):

ISO 10086-2:2004

Coal — Methods for evaluating flocculants for use in coal preparation — Part 2: Flocculants as filter aids in rotary vacuum filtration systems

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 7 января 2004 г.
Издание:: ISO IS 10086 edition 1 version 1
ICS:: 73.040

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Описание (английский):

ISO 10086-2:2004 specifies a method for the comparative evaluation of the performance of flocculants used as filter aids for rotary vacuum filtration applications on a given slurry.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 10086-2:2004 - "Coal - Methods for evaluating flocculants for use in coal preparation - Part 2" defines a laboratory method for the comparative evaluation of flocculants as filter aids in rotary vacuum filtration systems. The standard specifies how to prepare flocculant solutions, dose a representative coal slurry, run a bench-scale rotary vacuum filter-leaf test and quantify performance using cake yield, cake moisture and filtrate clarity. It is intended to simulate plant rotary vacuum filter conditions for meaningful comparison of flocculant performance.

Key topics and requirements

Principle: Performance is assessed by adding flocculant to a slurry aliquot, forming a cake on a filter leaf, and measuring wet and dry cake mass to derive yield and moisture.

Apparatus: ordinary lab equipment plus vacuum pump/gauge, Buchner flask, filter-leaf assembly, vacuum tubing, motorized stirrers and syringes.

Materials & sampling: slurry and water collection and sub-sampling follow ISO 10086-1 procedures.

Flocculant preparation: powder or liquid flocculants prepared per ISO 10086-1.

Test procedure:

Homogenize 500 ml subsample, dose flocculant, record conditioning time.
Recommended default times (if plant times unknown): immersion 1 min 10 s, drying 2 min.
Measure cake thickness (three points), weigh wet cake, dry at 105 °C to constant mass for dry cake.
Evaluate filtrate clarity visually or by turbidity instrument.

Dosage calculation: method and worked example provided; dosage expressed as g flocculant per kg dry solids (or kg/tonne).

Repeatability: duplicate tests should agree within ±1.0% cake moisture and ±1 mm cake thickness.

Reporting: test date, flocculant description, slurry details, cake yield, filtrate clarity, cake moisture, dosage and vacuum parameters, filter cloth, stirring, immersion and drying times. Annexes include a worked example and data recording sheet.

Practical applications and users

ISO 10086-2:2004 is used for:

Comparing flocculant performance for coal preparation and dewatering trials.

Selecting filter aid chemistries for rotary vacuum drum and disc filters.

Optimizing dosage rates to meet cake dryness and filtrate clarity targets.

Supporting procurement, quality assurance and R&D on flocculants and filtration equipment.

Typical users:

Coal process engineers and plant operators

Laboratory technicians and analytical chemists

Flocculant suppliers and formulators

Filtration equipment manufacturers

Process optimization and environmental compliance teams

ISO 10086-2:2004 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications and users

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Технические детали

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