GB2501864B - The waldron filter - Google Patents

The waldron filter

Info

Publication number
GB2501864B
GB2501864B GB1122525.7A GB201122525A GB2501864B GB 2501864 B GB2501864 B GB 2501864B GB 201122525 A GB201122525 A GB 201122525A GB 2501864 B GB2501864 B GB 2501864B
Authority
GB
United Kingdom
Prior art keywords
waldron
filter
waldron filter
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB1122525.7A
Other versions
GB2501864A (en
GB201122525D0 (en
Inventor
Austin Michael Waldron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALISON FIONA WALDRON
CARA WALDRON
DAWN AMANDA WALDRON
Original Assignee
ALISON FIONA WALDRON
CARA WALDRON
DAWN AMANDA WALDRON
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
Application filed by ALISON FIONA WALDRON, CARA WALDRON, DAWN AMANDA WALDRON filed Critical ALISON FIONA WALDRON
Priority to GB1122525.7A priority Critical patent/GB2501864B/en
Publication of GB201122525D0 publication Critical patent/GB201122525D0/en
Publication of GB2501864A publication Critical patent/GB2501864A/en
Application granted granted Critical
Publication of GB2501864B publication Critical patent/GB2501864B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
    • 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
    • C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal 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
    • C02F1/66—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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
    • 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
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001—Runoff or storm water
GB1122525.7A 2011-03-09 2011-03-09 The waldron filter Expired - Fee Related GB2501864B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1122525.7A GB2501864B (en) 2011-03-09 2011-03-09 The waldron filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1122525.7A GB2501864B (en) 2011-03-09 2011-03-09 The waldron filter

Publications (3)

Publication Number Publication Date
GB201122525D0 GB201122525D0 (en) 2012-08-29
GB2501864A GB2501864A (en) 2013-11-13
GB2501864B true GB2501864B (en) 2015-06-03

Family

ID=46799519

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1122525.7A Expired - Fee Related GB2501864B (en) 2011-03-09 2011-03-09 The waldron filter

Country Status (1)

Country Link
GB (1) GB2501864B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201099638Y (en) * 2007-06-13 2008-08-13 山东大学 Latent/ surface flow artificial marshland

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201099638Y (en) * 2007-06-13 2008-08-13 山东大学 Latent/ surface flow artificial marshland

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Surya Pandey et al., "Reduction of Road Runoff Contaminants: Laboratory Experiments and Monitoring of Treatment Walls", published 2005, Land Transport New Zealand Research Report 282. Available from http://www.nzta.govt.nz/resources/research/reports/282/docs/282.pdf [Accessed 26 November 2012]. *

Also Published As

Publication number Publication date
GB2501864A (en) 2013-11-13
GB201122525D0 (en) 2012-08-29

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220309