Estuary of the River Mersey : The effect of the discharge of crude sewage into the estuary of the River Mersey on the amount and hardness of the deposit in the estuary.

  • Great Britain. Water Pollution Research Board
Date:
1938
Catalogue details

Licence: Public Domain Mark

Credit: Estuary of the River Mersey : The effect of the discharge of crude sewage into the estuary of the River Mersey on the amount and hardness of the deposit in the estuary. Source: Wellcome Collection.

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    Relation between the Mean Contents of Silica and Organic Carbon and of Organic Carbon and Kjeldahl ee in eae from the Mersey Estuary and from other Localities Contents of Organic caren 6 Kjeldahl Nitesen] in Meee Muds ietore re after Storage for 6 to 12 Months at Laboratory Temperature : Percentage of the Original Contents of Organic Carbon and Kjeldahl Niceecu te pave in Mersey Mud after Storage for Periods up to 1 Year at Laboratory Temperature . Content of Organic Carbon and Kjeldahl Nitrogen in Mud from the Upper ee Estuary before and after pees for Periods a to 1 Year at Sed Temperature Changes in the Contents of Crean Cathe tee Kjeldahl iwitoren in iReuenee a pended Matter previously stirred with aloes after Sain for Various Periods ats wl: 24 Changes in the Composition of Mud apecibed rea the hance Ship cana aie Storage for 10 Months at Laboratory Temperature and at 37° C. Relation between the Contents of i sai Carbon and aad aan in 1 Mersey and other Muds : Rate of Falling of Mud Parc in Saline Water at ‘Different roe ina Tube 9 # ‘one during a Sedimentation Period of 1 Hour Rate of Sedimentation of Mersey Muds in Columns of Different Tenet a ie Relation between the Settling Rate and the Concentration of Mud Suspensions .. __,, Relation between Rate of Sedimentation of Mud and aes of the Water in which it is suspended Effect of Temperature on Rates of Sediuerestion of Mersey Mud an Roblag clay from Suspensions in Saline Water Rate of Sedimentation through a Distance of 9 ft. a Mud in Saspauearte in Mistares Z Sea and Tap Water of Salinity approximately 25 gm. per 1,000 gm.. - Rate cf Sedimentation through a Distance of 9 ft. of Mud in Suspen ae in Mixtures of Sea and Tap Water of Salinity approximately 25 gm. per 1,000 gm. Rate of Sedimentation of Muds and Seca Matter from the Estuaries of the Rivers Severn and Wye of 10 cm. Effect of Addition of 5 per cent. a Unsettled Sewabt on Rate a Sedimentatiea of Mersey Mud through Columns of Various Depths .. “ ss - Effect of Sewage on Rate of Sedimentation of Mersey Mud Effect of Different Concentrations of Sewage on Rate of Savimentenen a oon Mud through Columns 9 ft. in Depth Effect of Addition of 5 per cent. of Settled Se ck on Rue of Sedinienerene of } Mersey Mud at Different Temperatures Effect of Settled Sewage on Rate of ceaiieriAion of aris ae the “Sela of ie River Severn (Monmouthshire) and from Estuaries in Essex : Re Effect of Vigorous Stirring on Rate of Sedimentation of Mud through 10 cm. .. Effect of Vigorous Stirring for Various Periods on Rate of Sedimentation of Mud Effect of Vigorous Stirring on Rate of Sedimentation of oe Mud a Various Depths : Change in Rate of Bateeeniatad of Mersey 2 Mud brought aya os Stcrng Bie pensions at Different Speeds _ Rate of Sedimentation of sae Mud in ORE C Satetiatnne ane not stirred or slowly stirred : Rate of Sedimentation of eae Suffolk, ae meee Muds Ae sting ante (28 r.p.m.) for Different Periods : : if Formation of Aggregates in Mud suspended in ean Water Effect of Sterilismg Agents on Rate of Sedimentation of Mersey Meat sted vigorously for 1 Day with 5 per cent. of Settled Sewage about by ett the Mud to stand under Water. Sia added in some gaia ments Effect of Pamueilenyaes on Re pomsoee a Aggregates in Suspensions ot Mersey Mud stirred slowly Stability of Aggregates Sen iy Stirring Meeey Mud Acct Stability of Aggregates formed by Vigorous Stirring of Mersey Mud ne Effect of Vigorous Stirring with Sewage on Rate of Sedimentation of Mersey Mud Effect of Vigorous Stirring with Different Concentrations of Settled Sewage on Rate of Sedimentation of Mersey Mud . PAGE SI] io) 83 84 85 “Es J 96 97 98 99 og 100 100 101 103 104 104 106 106 107 108 109 109 110 hid 112 113 113