{"id":361936,"date":"2024-10-20T01:38:20","date_gmt":"2024-10-20T01:38:20","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-230702020\/"},"modified":"2024-10-26T02:33:27","modified_gmt":"2024-10-26T02:33:27","slug":"bs-iso-230702020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-230702020\/","title":{"rendered":"BS ISO 23070:2020"},"content":{"rendered":"<p>This document provides guidelines for the planning and design of a reverse osmosis (RO) treatment system of municipal wastewater. This document is applicable to practitioners and authorities who intend to implement principles and decisions on RO treatment of municipal wastewater in a safe, reliable and sustainable manner. This document addresses RO treatment systems of municipal wastewater in their entirety and is applicable to any RO treatment system component.<\/p>\n<p>This document provides:<\/p>\n<ul>\n<li>\n<p>standard terms and definitions;<\/p>\n<\/li>\n<li>\n<p>a description of the system components of an RO treatment system of municipal wastewater;<\/p>\n<\/li>\n<li>\n<p>design principles of an RO treatment system of municipal wastewater;<\/p>\n<\/li>\n<li>\n<p>statements on the feed water quality and technical requirements of an RO treatment system;<\/p>\n<\/li>\n<li>\n<p>guidance for operation and maintenance of an RO treatment system;<\/p>\n<\/li>\n<li>\n<p>specific aspects for consideration and emergency response.<\/p>\n<\/li>\n<\/ul>\n<p>Design parameters and regulatory values of an RO treatment system of municipal wastewater are out of the scope of this document.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4 Abbreviated terms <br \/> 5 Application of RO treatment systems for reclaimed water <br \/> 5.1 Overview  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5.2 Design considerations <br \/> 5.2.1 Safety considerations <br \/> 5.2.2 Stability considerations <br \/> 5.2.3 Economy considerations <br \/> 5.3 RO system components <br \/> 5.3.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>5.3.2 Feed water source <br \/> 5.3.3 Pre-treatment unit <br \/> 5.3.4 RO treatment unit <br \/> 5.3.5 Auxiliary equipment <br \/> 5.3.6 Post treatment unit <br \/> 5.3.7 Water quality and performance monitoring system <br \/> 6 Technical considerations of pre-treatments <br \/> 6.1 Quality considerations of feed water <br \/> 6.1.1 General water quality index  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>6.1.2 Silt density index <br \/> 6.1.3 Organic index  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>6.1.4 Biological index <br \/> 6.1.5 Oxidation-reduction potential <br \/> 6.2 Selection of mechanical pre-treatments <br \/> 6.2.1 Clarification <br \/> 6.2.2 Media\/Multimedia filtration <br \/> 6.2.3 Activated carbon filtration  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>6.2.4 Microfiltration and ultrafiltration <br \/> 6.2.5 Cartridge filtration <br \/> 6.3 Chemical pre-treatments <br \/> 6.3.1 Antiscalants <br \/> 6.3.2 Chemical oxidizers for disinfection of the feed <br \/> 6.3.3 Reductants <br \/> 6.3.4 Non-oxidizing biocides <br \/> 7 Technical and structural considerations of RO unit <br \/> 7.1 Components <br \/> 7.1.1 RO feed pumps  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>7.1.2 RO membrane modules <br \/> 7.1.3 Pressure vessels <br \/> 7.2 Selection of RO membranes <br \/> 7.2.1 Membrane materials  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>7.2.2 Membrane modules <br \/> 7.3 RO unit configuration  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>8 Operating conditions and maintenance system <br \/> 8.1 Operating conditions <br \/> 8.1.1 Pressure <br \/> 8.1.2 Temperature <br \/> 8.1.3 Feed water flow and permeate flux <br \/> 8.1.4 Concentrate flow  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>8.1.5 pH <br \/> 8.2 RO performance parameters <br \/> 8.2.1 Permeate flow rate  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>8.2.2 Salt rejection <br \/> 8.2.3 Pressure drop <br \/> 8.3 Automatic chemical dosing system <br \/> 8.3.1 Dosing point <br \/> 8.3.2 Dosing method <br \/> 8.4 Control and monitor system of RO performance <br \/> 8.4.1 Instrumentation  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>8.4.2 Control system <br \/> 8.4.3 Monitoring system <br \/> 8.5 Cleaning system <br \/> 8.5.1 Physical cleaning <br \/> 8.5.2 Chemical cleaning  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>8.6 Integrity testing of RO systems  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>8.7 System failure  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>9 Post-treatment unit <br \/> 10 RO concentrate management <br \/> 11 Emergency response plan  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>Annex A (informative)  Example of an RO treatment system for reclaimed water  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>Annex B (informative)  Information of chlorine disinfection for the influent of an RO system  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>Annex C (informative)  Maturity level of technologies applied to RO concentrate treatment  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Water Reuse in Urban Areas. Guidelines for reclaimed water treatment: Design principles of a RO treatment system of municipal wastewater<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":361942,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[210,2641],"product_tag":[],"class_list":{"0":"post-361936","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-060-01","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/361936","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/361942"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=361936"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=361936"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=361936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}