LT2862843T - Polisacharido mikrogeliai, skirti vandens valymui nuo naftos ir naftos produktų ir jų (variantų) panaudojimo būdas - Google Patents

Polisacharido mikrogeliai, skirti vandens valymui nuo naftos ir naftos produktų ir jų (variantų) panaudojimo būdas

Info

Publication number
LT2862843T
LT2862843T LTEP13806672.5T LT13806672T LT2862843T LT 2862843 T LT2862843 T LT 2862843T LT 13806672 T LT13806672 T LT 13806672T LT 2862843 T LT2862843 T LT 2862843T
Authority
LT
Lithuania
Prior art keywords
petroleum
variants
same
cleaning water
polysaccharide microgels
Prior art date
Application number
LTEP13806672.5T
Other languages
English (en)
Lithuanian (lt)
Inventor
Andrey Aleksandrovich ELAGIN
Maksim Anatolevich MIRONOV
Vladislav Sergeevich PONOMAREV
Original Assignee
Obschestvo S Ogranichennoj Otvetsvennostyu "Npo Biomikrogeli"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from RU2012125534/05A external-priority patent/RU2492905C1/ru
Priority claimed from RU2012136757/13A external-priority patent/RU2514645C1/ru
Priority claimed from RU2013123536/05A external-priority patent/RU2535858C1/ru
Application filed by Obschestvo S Ogranichennoj Otvetsvennostyu "Npo Biomikrogeli" filed Critical Obschestvo S Ogranichennoj Otvetsvennostyu "Npo Biomikrogeli"
Publication of LT2862843T publication Critical patent/LT2862843T/lt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/047—Breaking emulsions with separation aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28047—Gels
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/681—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of solid materials for removing an oily layer on water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/041—Devices for distributing materials, e.g. absorbed or magnetic particles over a surface of open water to remove the oil, with or without means for picking up the treated oil
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/08—Nanoparticles or nanotubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/204—Keeping clear the surface of open water from oil spills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
LTEP13806672.5T 2012-06-19 2013-06-18 Polisacharido mikrogeliai, skirti vandens valymui nuo naftos ir naftos produktų ir jų (variantų) panaudojimo būdas LT2862843T (lt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RU2012125534/05A RU2492905C1 (ru) 2012-06-19 2012-06-19 Способ разделения смесей двух несмешивающихся жидкостей типа масло-в-воде
RU2012136757/13A RU2514645C1 (ru) 2012-08-27 2012-08-27 Способ локализации разливов нефти в водной среде
RU2013123536/05A RU2535858C1 (ru) 2013-05-22 2013-05-22 Коагулянт для очистки воды преимущественно от нефтепродуктов
PCT/RU2013/000506 WO2013191590A1 (ru) 2012-06-19 2013-06-18 Микрогели полисахаридов для очистки воды от нефти и нефтепродуктов и способ их использования (варианты)

Publications (1)

Publication Number Publication Date
LT2862843T true LT2862843T (lt) 2018-09-10

Family

ID=49769079

Family Applications (1)

Application Number Title Priority Date Filing Date
LTEP13806672.5T LT2862843T (lt) 2012-06-19 2013-06-18 Polisacharido mikrogeliai, skirti vandens valymui nuo naftos ir naftos produktų ir jų (variantų) panaudojimo būdas

Country Status (13)

Country Link
US (1) US9718704B2 (enExample)
EP (1) EP2862843B1 (enExample)
CN (1) CN104661969B (enExample)
CA (1) CA2876623C (enExample)
DK (1) DK2862843T3 (enExample)
EA (1) EA029441B1 (enExample)
ES (1) ES2681346T3 (enExample)
HR (1) HRP20181219T1 (enExample)
IN (1) IN2015MN00132A (enExample)
LT (1) LT2862843T (enExample)
PL (1) PL2862843T3 (enExample)
PT (1) PT2862843T (enExample)
WO (1) WO2013191590A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2550425C1 (ru) * 2014-06-11 2015-05-10 Общество с ограниченной ответственностью "НПО БиоМикроГели" Способ сбора нефти или нефтепродуктов с поверхности воды (варианты)
RU2596751C1 (ru) * 2015-05-07 2016-09-10 Общество с ограниченной ответственностью "НПО БиоМикроГели" Вещество для очистки почвы и твердых поверхностей от масел, в том числе от нефти и нефтепродуктов, и способ его использования (варианты)
AU2017408169B2 (en) * 2017-04-03 2021-07-22 Obshestvo S Ogranichennoi Otvetstvennost'u "Biomicrogeli" Use of polysaccharide microgels in detergents
CN109851686B (zh) * 2018-12-26 2021-02-12 大连民族大学 用于石油凝聚的微生物胞外多糖及其纯化方法
RU2691716C1 (ru) * 2018-12-28 2019-06-17 федеральное государственное автономное образовательное учреждение высшего образования "Российский государственный университет нефти и газа (национальный исследовательский университет) имени И.М. Губкина" Способ получения композиции для ликвидации нефтеразливов
CN110054323B (zh) * 2019-05-29 2021-11-09 江西科技师范大学 一种用于处理污水中有机油膜污染物的凝胶材料及其应用方法
CN115212779B (zh) * 2022-07-05 2023-05-26 江苏铁锚玻璃股份有限公司 双极变色粒子的除碘方法
WO2024232781A1 (ru) * 2023-05-10 2024-11-14 Олег Ильич ЭПШТЕЙН Модификатор и способ изменения эксплуатационных свойств нефти и продуктов нефтепереработки

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53103986A (en) 1977-02-24 1978-09-09 Agency Of Ind Science & Technol Manufacture of coagulating agent for flowed-out oil
US4285819A (en) * 1980-01-28 1981-08-25 California Institute Of Technology Functional magnetic microspheres
RU2148425C1 (ru) * 1999-10-07 2000-05-10 Общество с ограниченной ответственностью "Рютар" Способ фильтрации
FR2829494B1 (fr) * 2001-07-13 2005-10-28 Rhodia Chimie Sa Compositions aqueuses comprenant un microgel chimique associe a un polymere pontant, preparation et utilisation
GB0130518D0 (en) * 2001-12-21 2002-02-06 Univ Gent Pulsed bio-agent delivery systems based on degradable polymer solutions or hydrogels
RU2361661C2 (ru) 2003-08-11 2009-07-20 Владимир Александрович Дегтярев Сорбирующий материал, способ его изготовления и использования
CN1594493A (zh) * 2004-07-07 2005-03-16 石油大学(华东) 亚微米聚合物活性微球调剖驱油剂
RU2279405C2 (ru) * 2004-08-23 2006-07-10 Институт химии Дальневосточного отделения Российской академии наук (статус государственного учреждения) (Институт химии ДВО РАН) Способ очистки вод от нефтепродуктов
CN100584386C (zh) * 2005-01-27 2010-01-27 复旦大学 一种纳米微凝胶、其制备方法及应用
NO326276B1 (no) * 2006-04-11 2008-10-27 Sorbwater Technology As Fremgangsmate til fjerning av hydrokarboner og partikulaert materiale fra en vaeskestrom
BRPI0710141B1 (pt) * 2006-04-11 2018-02-06 Sorbwater Technology As Método para remoção de poluentes de uma corrente aquosa contínua, solução apropriada para adição a uma corrente aquosa, uso do método e mistura para adicionar a uma corrente aquosa poluída
RU2352388C1 (ru) * 2007-11-07 2009-04-20 Государственное образовательное учреждение высшего профессионального образования Волгоградский государственный технический университет (ВолгГТУ) Способ получения сорбента для очистки воды
RU73618U1 (ru) * 2007-11-07 2008-05-27 Государственное образовательное учреждение высшего профессионального образования Волгоградский государственный технический университет (ВолгГТУ) Сорбент для очистки воды
CN101298038B (zh) * 2008-03-13 2011-03-23 西南石油大学 一种用于废水处理的凝胶吸附剂
US8865632B1 (en) * 2008-11-10 2014-10-21 Cesi Chemical, Inc. Drag-reducing copolymer compositions
RU2439244C1 (ru) 2010-07-05 2012-01-10 Институт проблем нефти и газа Сибирского отделения Российской академии наук Способ сбора разлива нефти в зоне траншейного подводного перехода магистрального нефтепровода
JP5812537B2 (ja) * 2010-11-05 2015-11-17 江崎グリコ株式会社 アミノ糖含有グルカン、その製造法および利用
US20120145645A1 (en) * 2010-12-13 2012-06-14 Halosource, Inc. Clarification of hydrocarbons and suspended matter from an aqueous medium
CN102127189B (zh) * 2010-12-24 2012-07-04 北京石大万嘉新材料科技有限公司 聚丙烯酰胺微凝胶及其制备方法和应用
RU2471041C2 (ru) 2011-03-02 2012-12-27 Валерий Владимирович Бодров Способ очистки поверхностей от нефти и нефтепродуктов
RU2479348C1 (ru) 2011-08-31 2013-04-20 Валентина Евгеньевна Лекторская Сорбент для сбора нефти и способ его получения

Also Published As

Publication number Publication date
WO2013191590A1 (ru) 2013-12-27
PT2862843T (pt) 2018-08-07
ES2681346T3 (es) 2018-09-12
EA201401284A1 (ru) 2015-03-31
CN104661969B (zh) 2017-03-01
US20150191368A1 (en) 2015-07-09
EP2862843A1 (en) 2015-04-22
IN2015MN00132A (enExample) 2015-10-16
PL2862843T3 (pl) 2018-10-31
EP2862843B1 (en) 2018-05-02
CA2876623C (en) 2019-09-24
CA2876623A1 (en) 2013-12-27
DK2862843T3 (en) 2018-08-13
CN104661969A (zh) 2015-05-27
EA029441B1 (ru) 2018-03-30
HRP20181219T1 (hr) 2018-10-05
EP2862843A4 (en) 2015-05-06
US9718704B2 (en) 2017-08-01

Similar Documents

Publication Publication Date Title
SG11201504022RA (en) Glutamase inhibitors and method of use
PT2862843T (pt) Microgéis polissacarídicos para a purificação de água contaminada por petróleo e produtos de petróleo e método para a sua utilização (variantes)
BR112013021373A2 (pt) aparelho e método de bebida preparada
GB201216101D0 (en) Improved cleaning apparatus and method
SG11201406894VA (en) Oilfield apparatus and methods of use
IT1403222B1 (it) Sistemi e metodi per rastremazione del rompi-vortice
EP2938428A4 (en) CAVITATION DEVICE AND METHOD OF USE THEREOF
GB201315106D0 (en) Method and Apparatus to Facilitate Cleaning Marine Survey Equipment
PL2734592T3 (pl) Zastosowanie zmiataczy aldehydów w produktach budowlanych do wnętrz
EP2882924A4 (en) APPARATUS AND METHOD FOR CONNECTING PIPE
GB201501170D0 (en) Threaded pipe cleaning system and method
ZA201401616B (en) Depolymerisation of polysaccharides and related products
IL235968A0 (en) Polysaccharide preparations and methods of use
SG11201406895QA (en) Oilfield apparatus and methods of use
SG10201509581SA (en) Ultrasonic cleaning method and ultrasonic cleaning apparatus
ZA201404281B (en) Methods and products to diagnose and treat heatiness
GB2487423B (en) Subsea connecting apparatus and method
TWI559993B (en) Ultrasonic cleaning method and ultrasonic cleaning apparatus
SI2931958T1 (sl) Čistilna naprava in postopek za čiščenje predmetov z vodo
GB201220913D0 (en) Improved cleaning apparatus and method
EP2917433A4 (en) STABLE FLOOR PRODUCTS AND METHOD FOR THE PRODUCTION THEREOF
ZA201405829B (en) Cleaning arrangement and method of use
GB2491985B (en) Water deluge system cleaning apparatus and method
GB2513021B (en) Riser system and method of use
GB2495553B (en) Re-sampling method and apparatus