Severity: 8192
Message: strpos(): Passing null to parameter #2 ($needle) of type string is deprecated
Filename: MX/Router.php
Line Number: 239
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Router.php
Line: 239
Function: strpos
File: /home/phanmemx/public_html/app/third_party/MX/Router.php
Line: 72
Function: set_class
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated
Filename: MX/Loader.php
Line Number: 160
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 160
Function: strtolower
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 113
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 274
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 145
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 217
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 298
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 327
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 281
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 293
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 303
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 313
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 314
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 315
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 316
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: drivers/Session_files_driver.php
Line Number: 94
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 107
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: Warning
Message: session_start(): Session cannot be started after headers have already been sent
Filename: Session/Session.php
Line Number: 140
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated
Filename: MX/Loader.php
Line Number: 160
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 160
Function: strtolower
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 192
Function: library
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 153
Function: libraries
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 65
Function: initialize
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 55
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Base.php
Line: 60
Function: __construct
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 4
Function: require
File: /home/phanmemx/public_html/app/third_party/MX/Modules.php
Line: 123
Function: include_once
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 3
Function: autoload
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: str_replace(): Passing null to parameter #1 ($search) of type array|string is deprecated
Filename: MX/Controller.php
Line Number: 45
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Controller.php
Line: 45
Function: str_replace
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 7
Function: __construct
File: /home/phanmemx/public_html/app/modules/homepage/controllers/Routers.php
Line: 7
Function: __construct
File: /home/phanmemx/public_html/index.php
Line: 309
Function: require_once
Severity: 8192
Message: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated
Filename: MX/Loader.php
Line Number: 160
Backtrace:
File: /home/phanmemx/public_html/app/third_party/MX/Loader.php
Line: 160
Function: strtolower
File: /home/phanmemx/public_html/app/core/FC_Controller.php
Line: 8
Function: library
File: /home/phanmemx/public_html/app/modules/homepage/controllers/Routers.php
Line: 7
Function: __construct
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Dây chuyền1 tầng lọc
Công suất 2000l/h
Ở đây dưới tác dụng của lớp vật liệu lọc cho phép loại bỏ các tạp chất, cặn lơ lửng đồng thời xử lý một phần hàm lượng sắt và Mn còn trong nước nguồn,đồng thời nhờ tính năng đặc biệt của hạt Cozoset tạo vị cho nước. Sau đó được đưa vào thiết bị lọc than hoạt tính
Tại đây xảy ra quá trình hấp thụ các chất độc có trong nước đồng thời loại bỏ màu, mùi, vị và các chất oxy hoá, các chất hữu cơ có trong nước là thiết bị tiền xử lý bảo vệ vật liệu cho các thiết bị nối tiếp phía sau.
Nước sau khi qua thiết bị xử lý than hoạt tính được đưa đến thiết bị xử lý mềm. Tại đây các thành phần làm cứng nước như Ca, Mg…được giữ lại đồng thời một số các cation khác cũng được giữ lại. Vật liệu được xử lý sau một chu kỳ hoạt động sẽ bão hoà và được phục hồi lại trạng thái ban đầu bằng việc hoàn nguyên bởi van tự động. Nước sau khi làm mềm độ cứng < 17mg/lít là cơ sở vận hành màng lọc thẩm thấu ngược (RO)
Ở đây chúng tôi lựa chọn kích thước lọc 5μm cho phép loại bỏ hoàn toàn các thành phần lơ lửng, cặn có kích thước lớn hơn 5μm. Làm giảm độ đục do các cặn gây nên là cơ sở để vận hành màng lọc thẩm thấu ngược.
Đây là thiết bị quan trọng nhất quyết định đến chất lượng nước thành phẩm. Tại đây dưới tác dụng của áp suất thẩm thấu(được tạo ra bởi bơm cao áp) màng lọc thẩm thấu ngược loại bỏ các ion kim loại có trong nước đồng thời xử lý đến 90% các vi khuẩn có trong nước. Làm cho nước có độ tinh khiết cao. Chất lượng nước thành phẩm phụ thuộc vào áp suất thẩm thấu và chất lượng nước sau khi qua các thiết bị tiền xử lý trước RO. Màng lọc RO chỉ vận hành đạt hiệu quả và chất lượng cao nhất khi nước đi qua màng lọc phải đảm bảo các yêu cầu sau:
– Nước có độ cứng càng nhỏ càng tốt(< 17mg/l)
– Không có các chất oxy hóa
– Có độ trong càng lớn càng tốt và hạn chế vi khuẩn có trên màng vì khi dừng máy với thời gian lớn chính các vi khuẩn này sẽ làm hỏng màng. Đó là cơ sở để chúng tôi lựa chọn các thiết bị tiền xử lý cho RO như trên. Nước sau khi qua RO được đưa vào bể chứa nước thành phẩm.
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